annotate main.c @ 77:ca5fc59ec4f0

Change default temperature to 18C - better for Ale yeast.
author darius@Inchoate
date Wed, 21 Jan 2009 22:51:59 +1030
parents 56165caf744b
children
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1 /*
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2 * Monitor fermenter temperature and control it by switching cooler & heater.
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7ed10c59ba06 Supply clock speed via the command line so 1wire-delay.h can use it.
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3 *
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4 * Copyright (c) 2009
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5 * Daniel O'Connor <darius@dons.net.au>. All rights reserved.
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6 *
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7 * Redistribution and use in source and binary forms, with or without
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8 * modification, are permitted provided that the following conditions
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9 * are met:
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10 * 1. Redistributions of source code must retain the above copyright
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11 * notice, this list of conditions and the following disclaimer.
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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26 * SUCH DAMAGE.
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27 */
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28
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29 #include <avr/io.h>
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30 #include <avr/interrupt.h>
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31 #include <avr/pgmspace.h>
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32 #include <stdio.h>
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33 #include <string.h>
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34 #include <ctype.h>
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35 #include <stdlib.h>
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36 #include <util/delay.h>
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37 #include <avr/wdt.h>
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38
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39 #include "cons.h"
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40 #include "1wire.h"
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41 #include "tempctrl.h"
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42 #include "ds1307.h"
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43
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44 /*
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45 * Mirror of the MCUCSR register, taken early during startup.
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46 */
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47 uint8_t mcucsr __attribute__((section(".noinit")));
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48
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49 void process_cmd(void);
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50
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51 /*
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52 * Read out and reset MCUCSR early during startup.
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53 */
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54 void handle_mcucsr(void)
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55 __attribute__((section(".init3")))
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56 __attribute__((naked));
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57 void handle_mcucsr(void) {
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58 wdt_disable();
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59 mcucsr = MCUCSR;
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60 MCUCSR = 0;
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61 }
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62
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63 int
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64 main(void) {
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65 /* Disable interrupts while we frob stuff */
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66 cli();
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67
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68 #if 0
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69 /* Disable JTAG (yes twice) */
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70 MCUCSR |= _BV(JTD);
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71 MCUCSR |= _BV(JTD);
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72 #endif
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73
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74 DDRA = 0xff;
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75 PORTA = 0x00;
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76
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77 DDRB = 0x00;
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78 PORTB = 0x00;
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79
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80 /* GPIO (0:7) */
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81 DDRC = 0xff;
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82 PORTC = 0x00;
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83
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84 /* USART (0:1), IDBus (2:5), 485 (6:6), GPIO (7:7) */
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85 DDRD = 0xf7;
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86 PORTD = 0xf7;
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87
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88 /* Beep
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89 *
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90 * Fpwm = Fclk / (N * 510)
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91 * = 16e6 / (8 * 510)
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92 * = 3921Hz
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93 *
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94 * Behind ifndef because PB3 is A0 on PDI chip
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95 *
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96 * Phase correct PWM, non-inverted output, divide by 8 */
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97 TCCR0 = _BV(WGM00) | _BV(WGM11) | _BV(COM00) | _BV(COM01) | _BV(CS01);
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98 OCR0 = 128;
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99
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100 /* Set up the one wire stuff */
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101 OWInit();
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102
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103 /* Setup IIC */
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104 ds1307_init();
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105
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106 /* Init UART */
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107 cons_init();
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108
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109 /* Init temperature control stuff */
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110 tempctrl_init();
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111
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112 printf_P(PSTR("\r\n\r\n===============\r\n"
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113 "Inited!\r\n\r\n"));
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114
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115 if ((mcucsr & _BV(PORF)) == _BV(PORF))
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116 printf_P(PSTR("Power on reset\r\n"));
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117
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118 if ((mcucsr & _BV(EXTRF)) == _BV(EXTRF))
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119 printf_P(PSTR("External reset\r\n"));
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120
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121 if ((mcucsr & _BV(BORF)) == _BV(BORF))
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122 printf_P(PSTR("Brown-out reset\r\n"));
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123
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124 if ((mcucsr & _BV(WDRF)) == _BV(WDRF))
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125 printf_P(PSTR("Watchdog reset\r\n"));
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126
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127 if ((mcucsr & _BV(JTRF)) == _BV(JTRF))
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128 printf_P(PSTR("JTAG reset\r\n"));
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129
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130 /* Ready to go! */
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131 sei();
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132
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133 /*
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134 * Enable the watchdog with the largest prescaler. Will cause a
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135 * watchdog reset after approximately 2 s @ Vcc = 5 V
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136 *
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137 * Gets reset in the loop below and in the tempctrl.c timer IRQ
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138 */
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139 wdt_enable(WDTO_2S);
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140
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141 printf_P(PSTR("> "));
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142 cmd.state = 0;
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143
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144 /* Wait for user input or an "interrupt" */
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145 while (1) {
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146 wdt_reset();
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147
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148 tempctrl_update();
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149
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150 if (cmd.state == 255) {
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151 process_cmd();
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152 printf_P(PSTR("> "));
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153 /* Allow new characters to be processed */
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154 cmd.state = 0;
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155 }
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156 }
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157 }
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158
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159 void
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160 process_cmd(void) {
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161 uint8_t ROM[8], crc, buf[9], temp;
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162 int8_t i, arg;
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163 int16_t t;
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164
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165 /* User just pressed enter */
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166 if (cmd.len == 0)
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167 return;
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168
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169 if (!strcasecmp_P((char *)cmd.buf, PSTR("?")) ||
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170 !strcasecmp_P((char *)cmd.buf, PSTR("help"))) {
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171 printf_P(PSTR("rs Reset and check for presence\r\n"
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172 "sr Search the bus for ROMs\r\n"
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173 "re Read a bit\r\n"
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174 "rb Read a byte\r\n"
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175 "wr bit Write a bit\r\n"
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176 "wb byte Write a byte (hex)\r\n"
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177 "wc cmd [ROMID] Write command\r\n"
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178 "te ROMID Read the temperature from a DS1820\r\n"
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179 "in port Read from a port\r\n"
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180 "ou port val Write to a port (val in hex)\r\n"
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181 "dd port [val] Read/write DDR for a port (val in hex)\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
182 "rt ROMID Read DS2502 status page\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
183 "we ROMID adr val Write data into a DS2502 PROM (adr & val in hex)\r\n"
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
184 "rr ROMID Read DS2502 PROM\r\n"
65
1ef17cd8af7a Tab to space conversion in usage text.
darius@Inchoate
parents: 63
diff changeset
185 "zz Reset MCU\r\n"
60
50fca9562310 Add support for reading/writing to a DS1307 over TWI/IIC.
darius@Inchoate
parents: 56
diff changeset
186 "gc Get time of day\r\n"
50fca9562310 Add support for reading/writing to a DS1307 over TWI/IIC.
darius@Inchoate
parents: 56
diff changeset
187 "sc time Set time of day (time is YYYY/MM/DD HH:MM:SS)\r\n"
63
4d914a1fd487 Fix printf typo from last commit.
darius@Inchoate
parents: 60
diff changeset
188 "tc ... Temperature control related (tc help for more)\r\n"));
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
189
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
190 return;
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
191 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("zz"), 2)) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
192 cli();
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
193 wdt_enable(WDTO_15MS);
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
194 for (;;)
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
195 ;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
196 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("rs"), 2)) {
41
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darius@inchoate.localdomain
parents: 38
diff changeset
197 printf_P(PSTR("Resetting... "));
4
81e2f85e02ce Implement a command driven 1 wire bus tool.
darius
parents: 0
diff changeset
198
24
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darius
parents: 18
diff changeset
199 if (OWTouchReset() == 1)
41
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darius@inchoate.localdomain
parents: 38
diff changeset
200 printf_P(PSTR("No presence pulse found\r\n"));
24
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darius
parents: 18
diff changeset
201 else
41
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darius@inchoate.localdomain
parents: 38
diff changeset
202 printf_P(PSTR("Presence pulse found\r\n"));
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
203 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("re"), 2)) {
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
204 if (OWReadBit())
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
205 printf_P(PSTR("Read a 1\r\n"));
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
206 else
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
207 printf_P(PSTR("Read a 0\r\n"));
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
208 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("rb"), 2)) {
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
209 printf_P(PSTR("Read a 0x%02x\r\n"), OWReadByte());
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
210 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("wr"), 2)) {
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
211 arg = strtol((char *)cmd.buf + 3, (char **)NULL, 10);
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darius
parents: 18
diff changeset
212 OWWriteBit(arg);
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
213 printf_P(PSTR("Wrote a %c\r\n"), arg ? '1' : '0');
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
214 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("wb"), 2)) {
24
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darius
parents: 18
diff changeset
215 arg = (int)strtol((char *)cmd.buf + 3, (char **)NULL, 16);
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
216 OWWriteByte(arg);
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
217 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("rt"), 2)) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
218 if (sscanf_P((char *)cmd.buf, PSTR("rt %hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx"),
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
219 &ROM[0], &ROM[1], &ROM[2], &ROM[3],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
220 &ROM[4], &ROM[5], &ROM[6], &ROM[7]) != 8) {
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
221 printf_P(PSTR("Unable to parse ROM ID\r\n"));
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
222 return;
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
223 }
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
224
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
225 if (ROM[0] != OW_FAMILY_ROM) {
41
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darius@inchoate.localdomain
parents: 38
diff changeset
226 printf_P(PSTR("ROM specified isn't a DS2502\r\n"));
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
227 return;
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
228 }
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
229
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
230 if (OWTouchReset() != 0) {
41
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darius@inchoate.localdomain
parents: 38
diff changeset
231 printf_P(PSTR("No presence\r\n"));
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
232 return;
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
233 }
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
234
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
235 crc = 0;
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
236
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
237 OWCRC(OW_READ_STATUS, &crc);
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
238 OWSendCmd(ROM, OW_READ_STATUS);
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
239
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
240 OWWriteByte(0x00);
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
241 OWCRC(0x00, &crc);
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
242
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
243 OWWriteByte(0x00);
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
244 OWCRC(0x00, &crc);
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
245
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
246 if (crc != OWReadByte()) {
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
247 printf_P(PSTR("CRC mismatch on command & address\r\n"));
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
248 return;
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
249 }
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
250
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
251 crc = 0;
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
252 for (i = 0; i < 8; i++) {
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
253 temp = OWReadByte();
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
254 printf_P(PSTR("%02x "), temp);
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
255 OWCRC(temp, &crc);
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
256 }
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
257 printf_P(PSTR("\r\n"));
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
258 if (crc != OWReadByte()) {
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
259 printf_P(PSTR("CRC mismatch on data\r\n"));
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
260 return;
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
261 }
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
262 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("we"), 2)) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
263 uint8_t adr, data;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
264
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
265 if (sscanf_P((char *)cmd.buf, PSTR("we %hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx %hhx %hhx"),
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
266 &ROM[0], &ROM[1], &ROM[2], &ROM[3],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
267 &ROM[4], &ROM[5], &ROM[6], &ROM[7],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
268 &adr, &data) != 10) {
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
269 printf_P(PSTR("Unable to parse ROM ID\r\n"));
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
270 return;
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
271 }
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
272
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
273 if (ROM[0] != OW_FAMILY_ROM) {
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
274 printf_P(PSTR("ID specified isn't a ROM\r\n"));
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
275 return;
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
276 }
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
277
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
278 if (OWTouchReset() != 0) {
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
279 printf_P(PSTR("No presence\r\n"));
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
280 return;
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
281 }
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
282
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
283 printf_P(PSTR("OWProgROM returned %S\r\n"), OWProgROM_Status[OWProgROM(ROM, buf[0], 2, &buf[1], 0, 0)]);
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
284 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("rr"), 2)) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
285 if (sscanf_P((char *)cmd.buf, PSTR("rr %hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx"),
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
286 &ROM[0], &ROM[1], &ROM[2], &ROM[3],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
287 &ROM[4], &ROM[5], &ROM[6], &ROM[7]) != 8) {
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
288 printf_P(PSTR("Unable to parse ROM ID\r\n"));
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
289 return;
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
290 }
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
291
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
292 if (ROM[0] != OW_FAMILY_ROM) {
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
293 printf_P(PSTR("ROM specified isn't a ROM\r\n"));
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
294 return;
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
295 }
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
296
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
297 crc = 0;
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
298 OWSendCmd(ROM, OW_READ_MEMORY);
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
299 OWCRC(OW_READ_MEMORY, &crc);
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
300
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
301 OWWriteByte(0x00);
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
302 OWCRC(0x00, &crc);
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
303
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
304 OWWriteByte(0x00);
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
305 OWCRC(0x00, &crc);
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
306
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
307 if (crc != OWReadByte()) {
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
308 printf_P(PSTR("CRC mismatch on command & address\r\n"));
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
309 return;
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
310 }
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
311
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
312 crc = 0;
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
313 for (buf[0] = 0; buf[0] < 128; buf[0]++) {
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
314 buf[1] = OWReadByte();
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
315 if (buf[0] > 0) {
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
316 if (buf[0] % 16 != 0)
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
317 printf_P(PSTR(" "));
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
318 else
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
319 printf_P(PSTR("\r\n"));
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
320 }
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
321
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
322 printf_P(PSTR("%02x"), buf[1]);
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
323 OWCRC(buf[1], &crc);
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
324 }
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
325 printf_P(PSTR("\r\n"));
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
326 if (crc != OWReadByte()) {
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
327 printf_P(PSTR("CRC mismatch on data\r\n"));
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
328 return;
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
329 }
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
330
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
331 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("wc"), 2)) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
332 uint8_t c;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
333
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
334 i = sscanf_P((char *)cmd.buf, PSTR("wc %hhx %hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx"),
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
335 &ROM[0], &ROM[1], &ROM[2], &ROM[3],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
336 &ROM[4], &ROM[5], &ROM[6], &ROM[7],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
337 &c);
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
338
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
339 if (i != 1 && i != 9) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
340 printf_P(PSTR("Incorrect usage\r\n"));
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
341 return;
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
342 }
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
343
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
344 if (i == 1) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
345 OWSendCmd(i == 1 ? NULL : ROM, c);
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
346 return;
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
347 }
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
348 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("te"), 2)) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
349 if (sscanf_P((char *)cmd.buf, PSTR("te %hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx:%hhx"),
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
350 &ROM[0], &ROM[1], &ROM[2], &ROM[3],
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
351 &ROM[4], &ROM[5], &ROM[6], &ROM[7]) != 8) {
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
352 printf_P(PSTR("Unable to parse ROM ID\r\n"));
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
353 return;
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
354 }
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
355
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
356 t = OWGetTemp(ROM);
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
357 switch (t) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
358 case OW_TEMP_WRONG_FAM:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
359 printf_P(PSTR("ROM specified isn't a temperature sensor\r\n"));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
360 break;
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
361
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
362 case OW_TEMP_CRC_ERR:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
363 printf_P(PSTR("CRC mismatch\r\n"));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
364 break;
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
365
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
366 case OW_TEMP_NO_ROM:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
367 printf_P(PSTR("No ROM found\r\n"));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
368 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
369
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
370 default:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
371 printf_P(PSTR("%d.%02d\r\n"), GETWHOLE(t), GETFRAC(t));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
372 break;
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
373 }
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
374 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("sr"), 2)) {
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
375 memset(ROM, 0, 8);
10
eb1faf51968e - Add some useful return values to search functions.
darius
parents: 9
diff changeset
376
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
377 i = OWFirst(ROM, 1, 0);
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
378 do {
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
379 switch (i) {
10
eb1faf51968e - Add some useful return values to search functions.
darius
parents: 9
diff changeset
380 case OW_BADWIRE:
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
381 printf_P(PSTR("Presence pulse, but no module found, bad module/cabling?\r\n"));
10
eb1faf51968e - Add some useful return values to search functions.
darius
parents: 9
diff changeset
382 break;
eb1faf51968e - Add some useful return values to search functions.
darius
parents: 9
diff changeset
383
eb1faf51968e - Add some useful return values to search functions.
darius
parents: 9
diff changeset
384 case OW_NOPRESENCE:
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
385 printf_P(PSTR("No presence pulse found\r\n"));
10
eb1faf51968e - Add some useful return values to search functions.
darius
parents: 9
diff changeset
386 break;
eb1faf51968e - Add some useful return values to search functions.
darius
parents: 9
diff changeset
387
eb1faf51968e - Add some useful return values to search functions.
darius
parents: 9
diff changeset
388 case OW_BADCRC:
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
389 printf_P(PSTR("Bad CRC\r\n"));
10
eb1faf51968e - Add some useful return values to search functions.
darius
parents: 9
diff changeset
390 break;
eb1faf51968e - Add some useful return values to search functions.
darius
parents: 9
diff changeset
391
eb1faf51968e - Add some useful return values to search functions.
darius
parents: 9
diff changeset
392 case OW_NOMODULES:
eb1faf51968e - Add some useful return values to search functions.
darius
parents: 9
diff changeset
393 case OW_FOUND:
eb1faf51968e - Add some useful return values to search functions.
darius
parents: 9
diff changeset
394 break;
eb1faf51968e - Add some useful return values to search functions.
darius
parents: 9
diff changeset
395
eb1faf51968e - Add some useful return values to search functions.
darius
parents: 9
diff changeset
396 default:
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
397 printf_P(PSTR("Unknown error from 1 wire library\r\n"));
10
eb1faf51968e - Add some useful return values to search functions.
darius
parents: 9
diff changeset
398 break;
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
399 }
10
eb1faf51968e - Add some useful return values to search functions.
darius
parents: 9
diff changeset
400
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
401 if (i != OW_FOUND)
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
402 break;
13
2c03ec600dbc Reduce object code size as much as possible.
darius
parents: 11
diff changeset
403
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
404 for (i = 0; i < 8; i++)
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
405 printf_P(PSTR("%02x%S"), ROM[i], i == 7 ? PSTR("\r\n") : PSTR(":"));
10
eb1faf51968e - Add some useful return values to search functions.
darius
parents: 9
diff changeset
406
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
407 i = OWNext(ROM, 1, 0);
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
408 } while (1);
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
409 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("in"), 2)) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
410 uint8_t inp;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
411
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
412 switch (tolower(cmd.buf[3])) {
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
413 case 'a':
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
414 inp = PINA;
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
415 break;
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
416
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
417 case 'b':
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
418 inp = PINB;
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
419 break;
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
420
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
421 case 'c':
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
422 inp = PINC;
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
423 break;
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
424
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
425 case 'd':
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
426 inp = PIND;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
427 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
428
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
429 default:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
430 printf_P(PSTR("Unknown port\r\n"));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
431 return;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
432 }
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
433 printf_P(PSTR("0x%02x\r\n"), inp);
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
434 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("ou"), 2)) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
435 char port;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
436 int val;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
437
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
438 if (sscanf_P((char *)cmd.buf, PSTR("ou %c %x"), &port, &val) != 2) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
439 printf_P(PSTR("Unable to parse ou arguments\r\n"));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
440 return;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
441 }
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
442
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
443 switch (port) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
444 case 'a':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
445 PORTA = val & 0xff;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
446 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
447
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
448 case 'b':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
449 PORTB = val & 0xff;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
450 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
451
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
452 case 'c':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
453 PORTC = val & 0xff;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
454 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
455
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
456 case 'd':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
457 PORTD = val & 0xff;
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
458 break;
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
459
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
460 default:
41
5898fba6593c Add temperature control.
darius@inchoate.localdomain
parents: 38
diff changeset
461 printf_P(PSTR("Unknown port\r\n"));
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
462 return;
0
ffeab3c04e83 Initial revision
darius
parents:
diff changeset
463 }
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
464 printf_P(PSTR("PORT%c <= 0x%02x\r\n"), toupper(port), val);
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
465 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("dd"), 2)) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
466 char port;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
467 uint8_t val;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
468 int num;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
469
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
470 num = sscanf_P((char *)cmd.buf, PSTR("dd %c %x"), &port, &val);
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
471
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
472 if (num != 2 && num != 3) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
473 printf_P(PSTR("Unable to parse dd arguments\r\n"));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
474 return;
24
2b0ed085b95b - Change to 38400 baud.
darius
parents: 18
diff changeset
475 }
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
476
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
477 if (num == 2) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
478 switch (port) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
479 case 'a':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
480 val = DDRA;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
481 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
482
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
483 case 'b':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
484 val = DDRB;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
485 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
486
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
487 case 'c':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
488 val = DDRC;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
489 break;
63
4d914a1fd487 Fix printf typo from last commit.
darius@Inchoate
parents: 60
diff changeset
490
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
491 case 'd':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
492 val = DDRD;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
493 break;
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
494
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
495 default:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
496 printf_P(PSTR("Unknown port\r\n"));
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
497 return;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
498 }
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
499 printf_P(PSTR("DDR%c => 0x%02x\r\n"), toupper(port), val);
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
500 } else {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
501 switch (port) {
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
502 case 'a':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
503 DDRA = val & 0xff;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
504 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
505
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
506 case 'b':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
507 DDRB = val & 0xff;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
508 break;
37
25fa387ef7e9 - Conditionalise USB support.
darius
parents: 30
diff changeset
509
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
510 case 'c':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
511 DDRC = val & 0xff;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
512 break;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
513
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
514 case 'd':
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
darius@Inchoate
parents: 47
diff changeset
515 DDRD = val & 0xff;
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516 break;
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25fa387ef7e9 - Conditionalise USB support.
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517
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
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518 default:
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
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519 printf_P(PSTR("Unknown port\r\n"));
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520 return;
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
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521 }
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
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522 printf_P(PSTR("DDR%c <= 0x%02x\r\n"), toupper(port), val);
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523 }
51
cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
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524 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("tc"), 2)) {
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5898fba6593c Add temperature control.
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525 tempctrl_cmd((char *)cmd.buf);
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526 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("gc"), 2)) {
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527 ds1307_printtime(PSTR(""), PSTR("\r\n"));
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528 } else if (!strncasecmp_P((char *)cmd.buf, PSTR("sc"), 2)) {
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diff changeset
529 if (cmd.len < 17) {
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530 printf_P(PSTR("Command not long enough\r\n"));
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531 } else {
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4d914a1fd487 Fix printf typo from last commit.
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532 if (ds1307_settod((char *)cmd.buf + 3) != 1)
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diff changeset
533 printf_P(PSTR("Unable to set time of day\r\n"));
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534 }
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2b0ed085b95b - Change to 38400 baud.
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diff changeset
535 } else {
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cb184206344d Rejig command parsing and assume the compiler isn't dumb (eg it can reuse
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diff changeset
536 printf_P(PSTR("Unknown command, help for a list\r\n"));
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ffeab3c04e83 Initial revision
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537 }
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2b0ed085b95b - Change to 38400 baud.
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parents: 18
diff changeset
538 }
0
ffeab3c04e83 Initial revision
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parents:
diff changeset
539