83 lines
1.6 KiB
C
83 lines
1.6 KiB
C
#include <hardware/irq.h>
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#include <pico/time.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 "buttons.h"
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#include "synth.h"
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#include "const.h"
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#include "macro.h"
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#include "state.h"
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#include "pwm.h"
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#include "mux.h"
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state_t state;
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void init_all() {
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stdio_init_all();
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sleep_ms(2000);
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puts("Starting PIN initialization");
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const uint8_t out_gpio[] = {MUX_S0,MUX_S1,MUX_S2, STATUS_LED};
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const uint8_t in_gpio[] = {VCO_BUTTON,QUANT_BUTTON,AMEN_BUTTON};
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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 < ARRAY_LENGTH(in_gpio); i++) {
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gpio_init(in_gpio[i]);
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gpio_set_dir(in_gpio[i], false);
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}
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adc_init();
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for (uint8_t i=0; i < ARRAY_LENGTH(adc_gpio); i++) {
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adc_gpio_init(adc_gpio[i]);
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adc_select_input(i);
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}
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// Synth
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synth_init();
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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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}
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__attribute__((noreturn))
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void core1_main(void) {
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while (1) {
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update_buttons();
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update_inputs();
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printf("Sample: %f\n", state.dbg_sample);
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sleep_ms(1);
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}
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}
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__attribute__((noreturn))
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int main() {
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init_all();
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multicore_launch_core1(core1_main);
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while (1);
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}
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