Mercurial > ~darius > hgwebdir.cgi > stm32temp
annotate hw.c @ 16:db6011aa94d6
Use new delay routine on pin 2 so it doesn't interfere with 1 wire.
author | Daniel O'Connor <darius@dons.net.au> |
---|---|
date | Wed, 14 Nov 2012 12:30:05 +1030 |
parents | 96c345d304af |
children | afdd22502c2a |
rev | line source |
---|---|
8
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
1 #include <stdint.h> |
10
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
2 #include <stdio.h> |
8
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
3 #include "stm32f10x.h" |
13 | 4 |
5 #include "1wire.h" | |
8
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
6 #include "lcd.h" |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
7 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
8 static void hw_port_cfg(void); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
9 |
10
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
10 /* Wait for cnt microseconds */ |
13 | 11 void |
12 _usleep16(uint16_t cnt) { | |
13 TIM6->ARR = cnt > 3 ? cnt - 3 : cnt; | |
10
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
14 TIM_SetCounter(TIM6, 0); |
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
15 TIM_Cmd(TIM6, ENABLE); |
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
16 while ((TIM6->CR1 & TIM_CR1_CEN) != 0) |
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
17 ; |
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
18 } |
8
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
19 |
13 | 20 void |
21 hw_init(void) { | |
8
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
22 hw_port_cfg(); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
23 lcd_init(); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
24 lcd_setpwm(1000); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
25 } |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
26 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
27 static void |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
28 hw_port_cfg(void) { |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
29 GPIO_InitTypeDef GPIO_InitStructure; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
30 USART_InitTypeDef USART_InitStructure; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
31 SPI_InitTypeDef SPI_InitStructure; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
32 FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
33 FSMC_NORSRAMTimingInitTypeDef p; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
34 TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
35 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
36 /* RTC stuff */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
37 /* Enable PWR and BKP clocks */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
38 RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
39 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
40 /* Allow access to BKP Domain */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
41 PWR_BackupAccessCmd(ENABLE); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
42 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
43 /* Reset Backup Domain |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
44 * |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
45 * This resets the RTC etc back to 0 so probably only useful under user command |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
46 BKP_DeInit(); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
47 */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
48 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
49 /* Enable Low Speed External clock */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
50 RCC_LSEConfig(RCC_LSE_ON); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
51 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
52 /* Wait till LSE is ready */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
53 while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET) |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
54 ; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
55 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
56 /* Select LSE as RTC Clock Source */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
57 RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
58 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
59 /* Enable RTC Clock */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
60 RCC_RTCCLKCmd(ENABLE); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
61 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
62 /* Wait for RTC registers synchronization */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
63 RTC_WaitForSynchro(); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
64 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
65 /* Wait until last write operation on RTC registers has finished */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
66 RTC_WaitForLastTask(); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
67 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
68 /* Wait until last write operation on RTC registers has finished */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
69 RTC_WaitForLastTask(); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
70 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
71 /* Set RTC prescaler: set RTC period to 1sec */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
72 RTC_SetPrescaler(32767); /* RTC period = RTCCLK/RTC_PR = (32.768 KHz)/(32767+1) */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
73 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
74 /* Wait until last write operation on RTC registers has finished */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
75 RTC_WaitForLastTask(); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
76 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
77 /* Clock setup */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
78 RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1 | RCC_APB2Periph_GPIOA, ENABLE); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
79 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
80 /* Port configuration */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
81 /* Configure USART1 TX (PA.09) as alternate function push-pull */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
82 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
83 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
84 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
85 GPIO_Init(GPIOA, &GPIO_InitStructure); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
86 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
87 /* Configure USART1 RX (PA.10) as input floating */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
88 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
89 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
90 GPIO_Init(GPIOA, &GPIO_InitStructure); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
91 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
92 /* Enable GPIOB clock */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
93 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
94 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
95 /* Configure PB5 as output push-pull for LED */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
96 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
97 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
98 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
99 GPIO_Init(GPIOB, &GPIO_InitStructure); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
100 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
101 /* Configure PB15 as input pull-up push-pull for push button */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
102 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
103 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
104 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
105 GPIO_Init(GPIOB, &GPIO_InitStructure); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
106 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
107 /* USART configuration */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
108 /* USART1 - 115200 8n1, no flow control TX & RX enabled */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
109 USART_InitStructure.USART_BaudRate = 115200; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
110 USART_InitStructure.USART_WordLength = USART_WordLength_8b; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
111 USART_InitStructure.USART_StopBits = USART_StopBits_1; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
112 USART_InitStructure.USART_Parity = USART_Parity_No; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
113 USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
114 USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
115 USART_Init(USART1, &USART_InitStructure); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
116 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
117 /* Enable interrupts on receive data */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
118 USART_ITConfig(USART1, USART_IT_RXNE, ENABLE); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
119 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
120 /* Enable USART */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
121 USART_Cmd(USART1, ENABLE); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
122 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
123 /* Enable FSMC clock */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
124 RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
125 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
126 /* Enable alternate function IO clock */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
127 RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
128 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
129 /* Enable GPIOD clock */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
130 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD, ENABLE); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
131 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
132 /* Enable GPIOD clock */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
133 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOE, ENABLE); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
134 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
135 /* Configures LCD Control lines (FSMC Pins) in alternate function Push-Pull mode. |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
136 * |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
137 * PD0(D2), PD1(D3), PD4(NOE), PD5(NWE), PD7(NE1/CS), PD8(D13), PD9(D14), |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
138 * PD10(D15), PD11(A16/RS) PD14(D0), PD15(D1) |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
139 */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
140 GPIO_InitStructure.GPIO_Pin = (GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_7 | |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
141 GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
142 GPIO_Pin_14 | GPIO_Pin_15); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
143 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
144 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
145 GPIO_Init(GPIOD, &GPIO_InitStructure); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
146 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
147 /* PE7(D4), PE8(D5), PE9(D6), PE10(D7), PE11(D8), PE12(D9), PE13(D10), |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
148 * PE14(D11), PE15(D12) |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
149 */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
150 GPIO_InitStructure.GPIO_Pin = (GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
151 GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
152 GPIO_Pin_15); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
153 GPIO_Init(GPIOE, &GPIO_InitStructure); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
154 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
155 /* Configure backlight control (PD13/FSMC_A18 remapped to TIM4_CH2) */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
156 /* Enable TIM4 clock */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
157 RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
158 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
159 /* Enable timer function |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
160 * Note source clock is SYSCLK / 2 = 36MHz |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
161 */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
162 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
163 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
164 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
165 GPIO_Init(GPIOD, &GPIO_InitStructure); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
166 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
167 /* Remap TIM4_CH2 to PD13 */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
168 GPIO_PinRemapConfig(GPIO_Remap_TIM4, ENABLE); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
169 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
170 /* Reset TIM4 */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
171 TIM_DeInit(TIM4); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
172 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
173 /* Time Base configuration */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
174 TIM_TimeBaseStructure.TIM_Period = 999; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
175 TIM_TimeBaseStructure.TIM_Prescaler = 0; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
176 TIM_TimeBaseStructure.TIM_ClockDivision = 0; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
177 TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Down; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
178 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
179 TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
180 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
181 /* Enable timer */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
182 TIM_OC2PreloadConfig(TIM4, TIM_OCPreload_Enable); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
183 TIM_ARRPreloadConfig(TIM4, ENABLE); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
184 TIM_Cmd(TIM4, ENABLE); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
185 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
186 /* Configure reset pin (PE1) as GPIO out PP */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
187 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
188 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
189 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
190 GPIO_Init(GPIOE, &GPIO_InitStructure); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
191 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
192 /* Configures the Parallel interface (FSMC) for LCD (Parallel mode) */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
193 /* Timing configuration */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
194 p.FSMC_AddressSetupTime = 5; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
195 p.FSMC_AddressHoldTime = 5; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
196 p.FSMC_DataSetupTime = 5; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
197 p.FSMC_BusTurnAroundDuration = 0; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
198 p.FSMC_CLKDivision = 0; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
199 p.FSMC_DataLatency = 0; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
200 p.FSMC_AccessMode = FSMC_AccessMode_A; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
201 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
202 /* FSMC_Bank1_NORSRAM1 configured as follows: |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
203 - Data/Address MUX = Disable |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
204 - Memory Type = SRAM |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
205 - Data Width = 16bit |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
206 - Write Operation = Enable |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
207 - Extended Mode = Disable |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
208 - Asynchronous Wait = Disable */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
209 FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM1; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
210 FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
211 FSMC_NORSRAMInitStructure.FSMC_MemoryType = FSMC_MemoryType_SRAM; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
212 FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
213 FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
214 FSMC_NORSRAMInitStructure.FSMC_AsynchronousWait = FSMC_AsynchronousWait_Disable; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
215 FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
216 FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
217 FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
218 FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
219 FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
220 FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Disable; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
221 FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
222 FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &p; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
223 FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &p; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
224 FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
225 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
226 /* Enable FSMC_Bank1_NORSRAM1 */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
227 FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM1, ENABLE); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
228 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
229 /* Configure touch screen controller |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
230 * |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
231 * Connected to SPI1 which is shared with the AT45DB161D. |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
232 * |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
233 * The touch screen is selected with PB7. |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
234 * The flash chip is selected with PA4. |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
235 */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
236 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
237 /* Enable SPI1 clock */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
238 RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
239 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
240 /* Configure MOSI, MISO and SCLK as alternate function PP */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
241 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
242 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
243 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
244 GPIO_Init(GPIOA, &GPIO_InitStructure); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
245 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
246 /* Configure flash chip select pin (PA4) as GPIO out PP */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
247 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
248 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
249 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
250 GPIO_Init(GPIOA, &GPIO_InitStructure); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
251 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
252 /* Configure touch chip select pin (PB7) as GPIO out PP */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
253 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
254 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
255 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
256 GPIO_Init(GPIOB, &GPIO_InitStructure); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
257 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
258 /* De-select touch & flash */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
259 GPIO_SetBits(GPIOA, GPIO_Pin_4); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
260 GPIO_SetBits(GPIOB, GPIO_Pin_7); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
261 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
262 /* SPI1 Config */ |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
263 SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
264 SPI_InitStructure.SPI_Mode = SPI_Mode_Master; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
265 SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
266 SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
267 SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
268 SPI_InitStructure.SPI_NSS = SPI_NSS_Soft; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
269 SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_64; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
270 SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
271 SPI_InitStructure.SPI_CRCPolynomial = 7; |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
272 SPI_Init(SPI1, &SPI_InitStructure); |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
273 |
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
274 /* SPI1 enable */ |
10
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
275 SPI_Cmd(SPI1, ENABLE); |
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
276 |
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
277 /* Configure TIM6 for interval timing */ |
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
278 RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM6, ENABLE); |
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
279 |
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
280 /* Reset TIM6 */ |
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
281 TIM_DeInit(TIM6); |
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
282 |
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
283 /* Time Base configuration */ |
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
284 TIM_TimeBaseStructure.TIM_Period = 0; |
13 | 285 TIM_TimeBaseStructure.TIM_Prescaler = (SystemCoreClock / 2 / 1000000) - 1; /* 1 MHz clock */ |
10
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
286 TIM_TimeBaseInit(TIM6, &TIM_TimeBaseStructure); |
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
287 |
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
288 TIM_Cmd(TIM6, DISABLE); |
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
289 |
13 | 290 /* Setup for single pulse mode clear UDIS */ |
291 TIM_SelectOnePulseMode(TIM6, TIM_OPMode_Single); | |
292 TIM_UpdateDisableConfig(TIM6, DISABLE); | |
293 | |
294 /* Setup GPIO for 1-wire */ | |
295 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2 | GPIO_Pin_3; | |
10
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
296 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; |
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
297 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; |
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
298 GPIO_Init(GPIOE, &GPIO_InitStructure); |
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
299 |
13 | 300 OWInit(); |
10
0b75cff7c570
Add _usleep16 - sleeps for cnt microseconds.
Daniel O'Connor <darius@dons.net.au>
parents:
8
diff
changeset
|
301 |
13 | 302 #if 0 |
303 while (1) { | |
304 GPIO_SetBits(GPIOE, GPIO_Pin_2); | |
305 _usleep16(10); | |
306 GPIO_ResetBits(GPIOE, GPIO_Pin_2); | |
307 _usleep16(20); | |
308 GPIO_SetBits(GPIOE, GPIO_Pin_2); | |
309 _usleep16(30); | |
310 GPIO_ResetBits(GPIOE, GPIO_Pin_2); | |
311 _usleep16(100); | |
312 } | |
313 #endif | |
8
58d76cf522ff
Split out code into separate files.
Daniel O'Connor <darius@dons.net.au>
parents:
diff
changeset
|
314 } |