48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
#include <hardware/adc.h>
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#include <hardware/gpio.h>
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#include <pico/stdlib.h>
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#include <pico/time.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include "const.h"
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#include "input.h"
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bool is_toggle[BUTTON_COUNT] = { false };
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bool btn_prev[BUTTON_COUNT] = { false };
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void set_mux_addr(uint8_t addr) {
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gpio_put(MUX_S0, addr & 1);
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gpio_put(MUX_S1, (addr >> 1) & 1);
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gpio_put(MUX_S2, (addr >> 2) & 1);
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}
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void update_inputs(input_t* input) {
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// Pots
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for (uint8_t i = 0; i < 8; i++) {
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set_mux_addr(i);
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for (uint8_t j = 0; j < 2; j++) {
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adc_select_input(j);
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sleep_us(20); // Let multiplexers multiplex
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uint16_t val = adc_read();
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if (val > 5) input->pots[i + j * 8] = (float)val;
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}
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}
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// Buttons
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for (uint8_t i = 0; i < BUTTON_COUNT; i++) {
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bool btn_curr = gpio_get(BUTTON_BASE + i);
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if (btn_curr == true && btn_prev[i] == false) {
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if (is_toggle[i]) input->buttons[i] = !input->buttons[i];
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}
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if (!is_toggle[i]) input->buttons[i] = btn_curr;
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btn_prev[i] = btn_curr;
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sleep_ms(1); // Why don't you bounce on this dihh
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}
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}
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