mirror of
https://github.com/supleed2/EIE4-FYP.git
synced 2024-09-19 21:36:17 +00:00
422 lines
10 KiB
C++
422 lines
10 KiB
C++
// This file is Copyright (c) 2020 Florent Kermarrec <florent@enjoy-digital.fr>
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// License: BSD
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <generated/csr.h>
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#include <irq.h>
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#include <libbase/console.h>
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#include <libbase/uart.h>
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#include "can"
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#include "note"
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/*-----------------------------------------------------------------------*/
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/* Uart */
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/*-----------------------------------------------------------------------*/
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static char *readstr(void) {
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char c[2];
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static char s[64];
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static unsigned int ptr = 0;
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if (readchar_nonblock()) {
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c[0] = getchar();
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c[1] = 0;
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switch (c[0]) {
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case 0x7f:
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case 0x08:
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if (ptr > 0) {
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ptr--;
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fputs("\x08 \x08", stdout);
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}
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break;
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case 0x07:
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break;
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case '\r':
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case '\n':
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s[ptr] = 0x00;
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fputs("\n", stdout);
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ptr = 0;
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return s;
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default:
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if (ptr >= (sizeof(s) - 1))
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break;
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fputs(c, stdout);
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s[ptr] = c[0];
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ptr++;
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break;
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}
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}
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return NULL;
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}
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static char *get_token(char **str) {
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char *c, *d;
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c = (char *)strchr(*str, ' ');
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if (c == NULL) {
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d = *str;
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*str = *str + strlen(*str);
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return d;
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}
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*c = 0;
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d = *str;
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*str = c + 1;
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return d;
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}
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static void prompt(void) {
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printf("\e[92;1mStackSynth\e[0m> ");
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}
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/*-----------------------------------------------------------------------*/
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/* Help */
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/*-----------------------------------------------------------------------*/
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static void help(void) {
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puts("\nLiteX custom demo app built " __DATE__
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" " __TIME__
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"\n");
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puts("Available commands:");
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puts("help - Show this command");
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puts("reboot - Reboot CPU");
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puts("donut - Spinning Donut demo");
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#ifdef CSR_LEDS_BASE
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puts("led - Led demo");
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puts("leds - Led set demo");
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#endif
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#ifdef CSR_AUDIO_BASE
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puts("saw - Sawtooth Wave demo");
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puts("square - Square Wave demo");
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puts("triangle - Triangle Wave demo");
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puts("sine - Sine Wave demo");
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puts("imperial - Imperial March demo");
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puts("roll - Music demo");
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#endif
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#ifdef CSR_DAC_VOL_BASE
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puts("volume - Get / Set DAC Volume");
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#endif
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#ifdef CSR_CAN_BASE
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puts("can_id - Get / Set CAN ID");
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puts("can_mask - Get / Set CAN Mask");
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puts("can_read - Receive CAN Frames and print (delay in s)");
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puts("can_watch - Watch CAN Frames at 2Hz");
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#ifdef CSR_AUDIO_BASE
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puts("can_listen - Play CAN Frames as Audio");
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#endif
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#endif
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}
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/*-----------------------------------------------------------------------*/
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/* Commands */
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/*-----------------------------------------------------------------------*/
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static void reboot_cmd(void) {
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ctrl_reset_write(1);
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}
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#ifdef CSR_LEDS_BASE
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void led(void);
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static void led_cmd(void) {
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led();
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}
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static void leds_cmd(char **val) {
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int value = (int)strtol(get_token(val), NULL, 0);
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printf("Setting LED to %6x\n", value);
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leds_out_write(value);
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}
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#endif
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#ifdef CSR_AUDIO_BASE
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static void saw_cmd(char **val) {
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int value = (int)strtol(get_token(val), NULL, 0);
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printf("Setting Oscillator 0 to Sawtooth: %dHz\n", value);
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wave(WAVE_SAW);
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audio_targ0_write(value);
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}
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static void square_cmd(char **val) {
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int value = (int)strtol(get_token(val), NULL, 0);
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printf("Setting Oscillator 0 to Square: %dHz\n", value);
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wave(WAVE_SQUARE);
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audio_targ0_write(value);
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}
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static void triangle_cmd(char **val) {
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int value = (int)strtol(get_token(val), NULL, 0);
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printf("Setting Oscillator 0 to Triangle: %dHz\n", value);
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wave(WAVE_TRIANGLE);
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audio_targ0_write(value);
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}
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static void sine_cmd(char **val) {
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int value = (int)strtol(get_token(val), NULL, 0);
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printf("Setting Oscillator 0 to Sine: %dHz\n", value);
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wave(WAVE_SINE);
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audio_targ0_write(value);
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}
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static void imperial_cmd() {
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note(NOTE_G4, 400);
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note(NOTE_NONE, 400);
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note(NOTE_G4, 400);
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note(NOTE_NONE, 400);
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note(NOTE_G4, 600);
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note(NOTE_NONE, 600);
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note(NOTE_D4S, 200);
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note(NOTE_A4S, 200);
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note(NOTE_G4, 600);
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note(NOTE_NONE, 200);
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note(NOTE_D4S, 400);
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note(NOTE_NONE, 200);
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note(NOTE_A4S, 200);
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note(NOTE_G4, 1000);
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note(NOTE_D4S, 600);
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note(NOTE_NONE, 200);
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note(NOTE_D5, 600);
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note(NOTE_NONE, 200);
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note(NOTE_D5, 600);
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note(NOTE_NONE, 200);
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note(NOTE_D5, 600);
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note(NOTE_NONE, 200);
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note(NOTE_D5S, 400);
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note(NOTE_NONE, 200);
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note(NOTE_A4S, 200);
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note(NOTE_F4S, 600);
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note(NOTE_NONE, 200);
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note(NOTE_D4S, 400);
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note(NOTE_NONE, 200);
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note(NOTE_A4S, 200);
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note(NOTE_G4, 800);
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}
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static void roll_cmd() {
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note(NOTE_C4S, 450);
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note(NOTE_D4S, 600);
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note(NOTE_G3S, 150);
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note(NOTE_D4S, 450);
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note(NOTE_F4, 450);
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note(NOTE_G4S, 90);
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note(NOTE_F4S, 90);
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note(NOTE_F4, 90);
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note(NOTE_C4S, 510);
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note(NOTE_D4S, 600);
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note(NOTE_G3S, 1500);
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note(NOTE_C4S, 450);
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note(NOTE_D4S, 600);
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note(NOTE_G3S, 150);
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note(NOTE_D4S, 450);
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note(NOTE_F4, 450);
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note(NOTE_G4S, 90);
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note(NOTE_F4S, 90);
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note(NOTE_F4, 90);
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note(NOTE_C4S, 510);
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note(NOTE_D4S, 600);
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note(NOTE_G3S, 1500);
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}
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#endif
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#ifdef CSR_DAC_VOL_BASE
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static void dac_vol_cmd(char **val) {
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char *token = get_token(val);
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if (token == *val) {
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printf("DAC volume is %d (of 128)\n", dac_vol_volume_read());
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} else {
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int value = (int)strtol(token, NULL, 0);
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printf("Setting DAC volume to %d (of 128)\n", value);
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dac_vol_volume_write(value);
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}
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}
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#endif
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#ifdef CSR_CAN_BASE
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static void can_id_cmd(char **val) {
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char *token = get_token(val);
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if (token == *val) {
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printf("Current CAN ID (filter) is 0x%03X (max 0x7FF)\n", can_id_read());
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} else {
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int value = (int)strtol(token, NULL, 0);
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printf("Setting CAN ID (filter) to 0x%03X (max 0x7FF)\n", value);
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can_id_write(value);
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}
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}
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static void can_mask_cmd(char **val) {
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char *token = get_token(val);
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if (token == *val) {
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printf("Current CAN mask is 0x%03X (max 0x7FF)\n", can_mask_read());
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} else {
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int value = (int)strtol(token, NULL, 0);
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printf("Setting CAN mask to 0x%03X (max 0x7FF)\n", value);
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can_mask_write(value);
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}
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}
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static void can_read_cmd(char **val) {
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char *token = get_token(val);
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int loop_delay;
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if (token == *val) {
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loop_delay = 10;
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} else {
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loop_delay = (int)strtol(token, NULL, 0) * 10;
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}
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while (true) {
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can_frame frame = can_read();
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printf("CAN ID: 0x%03X, data:", frame.id);
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for (int i = 0; i < 8; i++) {
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printf(" 0x%02X", frame.data[i]);
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}
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printf("\n");
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for (int i = 0; i < loop_delay; i++) {
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if (readchar_nonblock()) {
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getchar();
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return;
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}
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busy_wait(100);
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}
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}
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}
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static void can_watch_cmd() {
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while (true) {
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can_frame frame = can_read();
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printf("CAN ID: 0x%03X, data:", frame.id);
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for (int i = 0; i < 8; i++) {
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printf(" 0x%02X", frame.data[i]);
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}
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printf("\r");
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if (readchar_nonblock()) {
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getchar();
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printf("\n");
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return;
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}
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busy_wait(200);
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}
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}
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#ifdef CSR_AUDIO_BASE
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const char *notes[85] = {"None", "C1", "C1#", "D1", "D1#", "E1", "F1", "F1#", "G1", "G1#", "A1", "A1#", "B1", "C2", "C2#", "D2", "D2#", "E2", "F2", "F2#", "G2", "G2#", "A2", "A2#", "B2", "C3", "C3#", "D3", "D3#", "E3", "F3", "F3#", "G3", "G3#", "A3", "A3#", "B3", "C4", "C4#", "D4", "D4#", "E4", "F4", "F4#", "G4", "G4#", "A4", "A4#", "B4", "C5", "C5#", "D5", "D5#", "E5", "F5", "F5#", "G5", "G5#", "A5", "A5#", "B5", "C6", "C6#", "D6", "D6#", "E6", "F6", "F6#", "G6", "G6#", "A6", "A6#", "B6", "C7", "C7#", "D7", "D7#", "E7", "F7", "F7#", "G7", "G7#", "A7", "A7#", "B7"};
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const int freqs[85] = {0, 33, 35, 37, 39, 41, 44, 46, 49, 52, 55, 58, 62, 65, 69, 73, 78, 82, 87, 93, 98, 104, 110, 117, 123, 131, 139, 147, 156, 165, 175, 185, 196, 208, 220, 233, 247, 262, 277, 294, 311, 330, 349, 370, 392, 415, 440, 466, 494, 523, 554, 587, 622, 659, 698, 740, 784, 831, 880, 932, 988, 1047, 1109, 1175, 1245, 1319, 1397, 1480, 1568, 1661, 1760, 1865, 1976, 2093, 2217, 2349, 2489, 2637, 2794, 2960, 3136, 3322, 3520, 3729, 3951};
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static void can_listen_cmd() {
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wave(WAVE_SINE);
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int old_note = 0;
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while (true) {
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can_frame frame = can_read();
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switch (frame.data[0]) {
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case 'P': {
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int note = (frame.data[1] - 1) * 12 + frame.data[2];
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if (note != old_note) {
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audio_targ0_write(freqs[note]);
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printf("Playing note %s\n", notes[note]);
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old_note = note;
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}
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break;
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}
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case 'R': {
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// TODO: Add polyphony
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if (old_note != 0) {
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printf("Stopping notes\n");
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old_note = 0;
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audio_targ0_write(0);
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}
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break;
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}
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default: {
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// printf("Unknown command, data[0]: 0x%2X", frame.data[0]);
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break;
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}
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}
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if (readchar_nonblock()) {
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getchar();
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return;
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}
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}
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}
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#endif
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#endif
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void donut(void);
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static void donut_cmd(void) {
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printf("Donut demo...\n");
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donut();
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}
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/*-----------------------------------------------------------------------*/
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/* Console service / Main */
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/*-----------------------------------------------------------------------*/
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static void console_service(void) {
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char *str;
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char *token;
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str = readstr();
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if (str == NULL)
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return;
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token = get_token(&str);
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if (strcmp(token, "help") == 0)
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help();
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else if (strcmp(token, "reboot") == 0)
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reboot_cmd();
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else if (strcmp(token, "donut") == 0)
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donut_cmd();
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#ifdef CSR_LEDS_BASE
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else if (strcmp(token, "led") == 0)
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led_cmd();
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else if (strcmp(token, "leds") == 0)
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leds_cmd(&str);
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#endif
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#ifdef CSR_AUDIO_BASE
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else if (strcmp(token, "saw") == 0)
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saw_cmd(&str);
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else if (strcmp(token, "square") == 0)
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square_cmd(&str);
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else if (strcmp(token, "triangle") == 0)
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triangle_cmd(&str);
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else if (strcmp(token, "sine") == 0)
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sine_cmd(&str);
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else if (strcmp(token, "imperial") == 0)
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imperial_cmd();
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else if (strcmp(token, "roll") == 0)
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roll_cmd();
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#endif
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#ifdef CSR_DAC_VOL_BASE
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else if (strcmp(token, "volume") == 0)
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dac_vol_cmd(&str);
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#endif
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#ifdef CSR_CAN_BASE
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else if (strcmp(token, "can_id") == 0)
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can_id_cmd(&str);
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else if (strcmp(token, "can_mask") == 0)
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can_mask_cmd(&str);
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else if (strcmp(token, "can_read") == 0)
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can_read_cmd(&str);
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else if (strcmp(token, "can_watch") == 0)
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can_watch_cmd();
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#ifdef CSR_AUDIO_BASE
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else if (strcmp(token, "can_listen") == 0)
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can_listen_cmd();
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#endif
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#endif
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prompt();
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}
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int main(void) {
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#ifdef CONFIG_CPU_HAS_INTERRUPT
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irq_setmask(0);
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irq_setie(1);
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#endif
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uart_init();
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help();
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prompt();
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while (1) {
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console_service();
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}
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}
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