mirror of
https://github.com/supleed2/EIE4-FYP.git
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298 lines
6.5 KiB
C++
298 lines
6.5 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 "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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#ifdef CSR_LEDS_BASE
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puts("led - Led demo");
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#endif
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puts("donut - Spinning Donut demo");
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#ifdef CSR_LEDS_BASE
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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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}
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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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#endif
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#ifdef CSR_LEDS_BASE
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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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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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#ifdef CSR_LEDS_BASE
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else if (strcmp(token, "led") == 0)
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led_cmd();
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#endif
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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, "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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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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