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comparison modulator.c @ 0:a55e39064a71

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First commit of code that compiles. Does nothing like it should but has cmake goo to wrap dat files
author Daniel O'Connor <darius@dons.net.au>
date Mon, 29 Mar 2021 13:48:34 +1030
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children 0d653f60dec8
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-1:000000000000 0:a55e39064a71
1 /******************************************************************
2 *******************************************************************
3 **
4 ** This is proprietary unpublished source code, property
5 ** of Genesis Software. Use or disclosure without prior
6 ** agreement is expressly prohibited.
7 **
8 ** Copyright (c) 2021 Genesis Software, all rights reserved.
9 **
10 *******************************************************************
11 ******************************************************************/
12
13 /*
14 ** MODULATOR.C
15 **
16 ** Create modulation shape
17 **
18 */
19
20 #include "pico/stdlib.h"
21 #include "hardware/clocks.h"
22 #include "hardware/pio.h"
23
24 #include "dac.pio.h"
25
26 extern void* shaped_trap_dat_size;
27 extern void* shaped_trap_dat_start;
28
29 extern void* sgauss_dat_size;
30 extern void* sgauss_dat_start;
31
32 int
33 main() {
34 int i;
35 const uint LED_PIN = PICO_DEFAULT_LED_PIN;
36
37 stdio_init_all();
38
39 gpio_init(LED_PIN);
40 gpio_set_dir(LED_PIN, GPIO_OUT);
41
42 // Load the clocked_input program, and configure a free state machine
43 // to run the program.
44 PIO pio = pio0;
45 uint offset = pio_add_program(pio, &dac_program);
46 uint sm = pio_claim_unused_sm(pio, true);
47 dac_program_init(pio, sm, offset, 4);
48
49 while (true) {
50 for (i = 0; i < (int)&shaped_trap_dat_size; i++) {
51 if (*(uint8_t *)shaped_trap_dat_start)
52 gpio_put(LED_PIN, 1);
53 else
54 gpio_put(LED_PIN, 0);
55 sleep_ms(250);
56 }
57 for (i = 0; i < (int)&sgauss_dat_size; i++) {
58 if (*(uint8_t *)sgauss_dat_start)
59 gpio_put(LED_PIN, 1);
60 else
61 gpio_put(LED_PIN, 0);
62 sleep_ms(250);
63 }
64 }
65 }