125 lines
2.5 KiB
C
125 lines
2.5 KiB
C
#include <hardware/sync.h>
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#include <hardware/irq.h>
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#include <pico/stdio.h>
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#include <pico/time.h>
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#include <stdnoreturn.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <stdio.h>
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#include "hardware/gpio.h"
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#include "hardware/pwm.h"
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#include "hardware/adc.h"
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#include "pico/multicore.h"
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#include "pico/stdlib.h"
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#include "const.h"
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#include "macro.h"
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#include "input.h"
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#include "state.h"
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#include "synth.h"
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#include "pwm.h"
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input_t input;
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state_t state;
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void core0_init(void) {
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// PWM bullshit
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gpio_set_function(AUDIO_OUT, GPIO_FUNC_PWM);
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uint slice = pwm_gpio_to_slice_num(AUDIO_OUT);
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pwm_config cfg = pwm_get_default_config();
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pwm_config_set_wrap(&cfg, 3400);
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pwm_init(slice, &cfg, true);
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pwm_clear_irq(slice);
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pwm_set_irq_enabled(slice, true);
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irq_set_exclusive_handler(PWM_IRQ_WRAP, pwm_isr);
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irq_set_enabled(PWM_IRQ_WRAP, true);
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puts("PWM Initialized.");
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// Synth
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synth_init(&state);
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puts("Synth Initialized.");
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}
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void core1_init(void) {
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// GPIO
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const uint8_t out_gpio[] = { MUX_S0, MUX_S1, MUX_S2, STATUS_LED };
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const uint8_t adc_gpio[] = {MUX0,MUX1};
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for (uint8_t i = 0; i < ARRAY_LENGTH(out_gpio); i++) {
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gpio_init(out_gpio[i]);
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gpio_set_dir(out_gpio[i], true);
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}
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for (uint8_t i = 0; i < BUTTON_COUNT; i++) {
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gpio_init(BUTTON_BASE + i);
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gpio_set_dir(BUTTON_BASE + 1, false);
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}
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adc_init();
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adc_gpio_init(MUX0);
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adc_gpio_init(MUX1);
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puts("GPIO Initialized.");
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// Input
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set_toggle_button(0, true);
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set_toggle_button(1, false);
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set_toggle_button(2, true);
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}
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void debug_print(void) {
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printf("\x1b[H\x1b[J");
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printf("0: %f, 1: %f, 2: %f, 3: %f, 4: %f, 5: %f, 6: %f, 7: %f\n",
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input.pots[0], input.pots[1], input.pots[2], input.pots[3],
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input.pots[4], input.pots[5], input.pots[6], input.pots[7]);
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printf(
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"vco_freq: %f\n"
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"vco_volume: %f\n"
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"filter_freq: %f\n"
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"filter_resonance: %f\n"
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"clock_bpm: %f\n"
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"env1_attack: %f\n"
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"env1_decay: %f\n"
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"env2_attack: %f\n"
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"env2_decay: %f\n"
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"reverb_amount: %f\n",
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state.vco_freq,
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state.vco_volume,
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state.filter_freq,
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state.filter_resonance,
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state.clock_bpm,
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state.env1_attack,
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state.env1_decay,
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state.env2_attack,
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state.env2_decay,
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state.reverb_amount
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);
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}
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noreturn void core1_loop(void) {
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while (1) {
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update_inputs(&input);
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update_state(&state, &input);
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sleep_ms(1);
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}
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}
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noreturn void core0_loop(void) {
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while (1) __wfi();
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}
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int main() {
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stdio_init_all();
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core1_init();
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core0_init();
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multicore_launch_core1(core1_loop);
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core0_loop();
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}
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