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No commits in common. "9e0ece753d8cf30b7a62a4d0838d5601aee57d55" and "000afa206226c58a4642c362053815072096973c" have entirely different histories.
9e0ece753d
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000afa2062
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@ -3,49 +3,55 @@
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#include "driver/gpio.h"
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#include "driver/gptimer.h"
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#include "driver/ledc.h"
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#include "esp_attr.h"
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#include "esp_err.h"
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#include "esp_log.h"
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#include "esp_random.h"
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#include "esp_log.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/queue.h"
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#include "freertos/task.h"
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#include "freertos/queue.h"
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#include "driver/ledc.h"
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#include "hal/gpio_types.h"
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#include "hal/ledc_types.h"
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#include "hal/timer_types.h"
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#include "soc/clk_tree_defs.h"
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#define SEQ_MAX_LEN 8
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/* Inputs */
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// Clock In
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// Reset In
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/* Controls */
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#define GPIO_MUTATE_BTN (9) // Mutate Button In
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#define GPIO_TAP_TEMPO_BTN (10) // Tap Tempo Button In
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gptimer_handle_t tap_tempo_timer = NULL;
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static QueueHandle_t control_event_queue = NULL;
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/* Outputs */
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#define GPIO_CLK_OUT (7) // Clock Out
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#define GPIO_GATE_OUT (8) // Gate CV Out
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gptimer_handle_t clk_cv_timer = NULL;
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gptimer_handle_t gate_cv_timer = NULL;
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/* LED GPIO Pins */
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#define LEDC_CLK_OUT (5)
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#define LEDC_GATE_OUT (6)
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/* Timers */
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gptimer_handle_t tap_tempo_timer = NULL;
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gptimer_handle_t gate_timer = NULL;
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gptimer_handle_t clk_blink_timer = NULL;
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gptimer_handle_t gate_blink_timer = NULL;
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uint8_t sequence[SEQ_MAX_LEN] = {0};
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uint8_t seq_len = SEQ_MAX_LEN;
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static const uint32_t DEFAULT_BPM = 120;
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#define SEQ_MAX_LEN 8
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static uint8_t sequence[SEQ_MAX_LEN] = {0};
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static uint8_t seq_len = SEQ_MAX_LEN;
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static const char *TAG = "sequencer";
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uint32_t bpm_to_ms(uint32_t bpm) {
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return 60000 / bpm;
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}
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@ -84,7 +90,6 @@ static void control_event_handler(void* arg) {
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switch (gpio_num) {
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case GPIO_MUTATE_BTN:
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mutate_seq(sequence);
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break;
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}
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}
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}
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@ -117,14 +122,14 @@ static void controls_init(void) {
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ESP_ERROR_CHECK(gptimer_enable(tap_tempo_timer));
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}
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static void gate_off_alarm_cb(gptimer_handle_t timer, const gptimer_alarm_event_data_t *edata, void *user_data) {
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gptimer_stop(gate_timer);
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gpio_set_level(GPIO_GATE_OUT, 0);
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static void clk_cv_off_alarm_cb(gptimer_handle_t timer, const gptimer_alarm_event_data_t *edata, void *user_data) {
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gptimer_stop(clk_cv_timer);
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gpio_set_level(GPIO_CLK_OUT, 0);
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ESP_ERROR_CHECK(ledc_set_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_1, 0));
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ESP_ERROR_CHECK(ledc_update_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_1));
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ESP_ERROR_CHECK(ledc_set_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_0, 0));
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ESP_ERROR_CHECK(ledc_update_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_0));
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}
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static void gate_cv_off_alarm_cb(gptimer_handle_t timer, const gptimer_alarm_event_data_t *edata, void *user_data) {
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gptimer_stop(gate_cv_timer);
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gpio_set_level(GPIO_GATE_OUT, 0);
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}
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static void gpio_init(void) {
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@ -137,26 +142,47 @@ static void gpio_init(void) {
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gpio_reset_pin(GPIO_GATE_OUT);
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gpio_set_direction(GPIO_GATE_OUT, GPIO_MODE_OUTPUT);
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// Setup gate timer
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// Setup CV output timer
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gptimer_config_t cv_out_timer_config = {
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.clk_src = GPTIMER_CLK_SRC_DEFAULT,
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.direction = GPTIMER_COUNT_UP,
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.resolution_hz = 1 * 1000 * 1000 // 1MHz; 1 tick = 1 µs
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};
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ESP_ERROR_CHECK(gptimer_new_timer(&cv_out_timer_config, &gate_timer));
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ESP_ERROR_CHECK(gptimer_new_timer(&cv_out_timer_config, &clk_cv_timer));
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ESP_ERROR_CHECK(gptimer_new_timer(&cv_out_timer_config, &gate_cv_timer));
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// Configure gate timer alarm
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// Configure timer alarm
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gptimer_alarm_config_t cv_off_alarm_config = {
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.alarm_count = 20 * 1000, // 20ms @ 1MHz
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.alarm_count = 10 * 1000, // 10ms @ 1MHz
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.reload_count = 0,
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.flags.auto_reload_on_alarm = true
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};
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ESP_ERROR_CHECK(gptimer_set_alarm_action(gate_timer, &cv_off_alarm_config));
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ESP_ERROR_CHECK(gptimer_set_alarm_action(clk_cv_timer, &cv_off_alarm_config));
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ESP_ERROR_CHECK(gptimer_set_alarm_action(gate_cv_timer, &cv_off_alarm_config));
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//register gate timer callback
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gptimer_event_callbacks_t clk_cbs = {.on_alarm = gate_off_alarm_cb};
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ESP_ERROR_CHECK(gptimer_register_event_callbacks(gate_timer, &clk_cbs, NULL));
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ESP_ERROR_CHECK(gptimer_enable(gate_timer));
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//register clk callback
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gptimer_event_callbacks_t clk_cbs = {.on_alarm = clk_cv_off_alarm_cb};
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ESP_ERROR_CHECK(
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gptimer_register_event_callbacks(clk_cv_timer, &clk_cbs, NULL));
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ESP_ERROR_CHECK(gptimer_enable(clk_cv_timer));
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// register gate callback
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gptimer_event_callbacks_t gate_cbs = {.on_alarm = gate_cv_off_alarm_cb};
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ESP_ERROR_CHECK(
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gptimer_register_event_callbacks(gate_cv_timer, &gate_cbs, NULL));
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ESP_ERROR_CHECK(gptimer_enable(gate_cv_timer));
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}
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static void gate_led_off_alarm_cb(gptimer_handle_t timer, const gptimer_alarm_event_data_t *edata, void *user_data) {
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gptimer_stop(gate_blink_timer);
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ESP_ERROR_CHECK(ledc_set_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_1, 0));
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ESP_ERROR_CHECK(ledc_update_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_1));
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}
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static void clk_led_off_alarm_cb(gptimer_handle_t timer, const gptimer_alarm_event_data_t *edata, void *user_data) {
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gptimer_stop(clk_blink_timer);
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ESP_ERROR_CHECK(ledc_set_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_0, 0));
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ESP_ERROR_CHECK(ledc_update_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_0));
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}
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static void ledc_init(void) {
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@ -193,17 +219,55 @@ static void ledc_init(void) {
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.hpoint = 0
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};
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ESP_ERROR_CHECK(ledc_channel_config(&ledc_gate_channel));
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// Setup LED blink timer
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gptimer_config_t led_blink_timer_config = {
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.clk_src = GPTIMER_CLK_SRC_DEFAULT,
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.direction = GPTIMER_COUNT_UP,
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.resolution_hz = 1 * 1000 * 1000 // 1MHz; 1 tick = 1 µs
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};
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ESP_ERROR_CHECK(gptimer_new_timer(&led_blink_timer_config, &clk_blink_timer));
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ESP_ERROR_CHECK(gptimer_new_timer(&led_blink_timer_config, &gate_blink_timer));
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// Configure timer alarm
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gptimer_alarm_config_t led_off_alarm_config = {
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.alarm_count = 50 * 1000, // 50ms @ 1MHz
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.reload_count = 0,
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.flags.auto_reload_on_alarm = true
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};
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ESP_ERROR_CHECK(gptimer_set_alarm_action(clk_blink_timer, &led_off_alarm_config));
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ESP_ERROR_CHECK(gptimer_set_alarm_action(gate_blink_timer, &led_off_alarm_config));
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//register clk callback
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gptimer_event_callbacks_t clk_cbs = {.on_alarm = clk_led_off_alarm_cb};
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ESP_ERROR_CHECK(
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gptimer_register_event_callbacks(clk_blink_timer, &clk_cbs, NULL));
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ESP_ERROR_CHECK(gptimer_enable(clk_blink_timer));
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// register gate callback
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gptimer_event_callbacks_t gate_cbs = {.on_alarm = gate_led_off_alarm_cb};
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ESP_ERROR_CHECK(
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gptimer_register_event_callbacks(gate_blink_timer, &gate_cbs, NULL));
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ESP_ERROR_CHECK(gptimer_enable(gate_blink_timer));
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}
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static void pulse_cv(bool triggered) {
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ESP_ERROR_CHECK(gptimer_start(gate_timer));
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ESP_ERROR_CHECK(ledc_set_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_0, 4095));
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ESP_ERROR_CHECK(ledc_update_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_0));
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gpio_set_level(GPIO_CLK_OUT, 1);
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if (triggered) {
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gpio_set_level(GPIO_GATE_OUT, 1);
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ESP_ERROR_CHECK(ledc_set_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_1, 4095));
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ESP_ERROR_CHECK(ledc_update_duty(LEDC_LOW_SPEED_MODE, LEDC_CHANNEL_1));
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static void blink_led(ledc_channel_t channel) {
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ESP_ERROR_CHECK(ledc_set_duty(LEDC_LOW_SPEED_MODE, channel, 4095));
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ESP_ERROR_CHECK(ledc_update_duty(LEDC_LOW_SPEED_MODE, channel));
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if (channel == LEDC_CHANNEL_0) {
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ESP_ERROR_CHECK(gptimer_start(clk_blink_timer));
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} else if (channel == LEDC_CHANNEL_1) {
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ESP_ERROR_CHECK(gptimer_start(gate_blink_timer));
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}
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}
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static void pulse_cv(uint8_t gpio_num) {
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gpio_set_level(gpio_num, 1);
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if (gpio_num == GPIO_CLK_OUT) {
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ESP_ERROR_CHECK(gptimer_start(clk_cv_timer));
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} else if (gpio_num == GPIO_GATE_OUT) {
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ESP_ERROR_CHECK(gptimer_start(gate_cv_timer));
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}
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}
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@ -221,14 +285,18 @@ void app_main(void) {
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/* Initialize sequence */
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randomize_seq(sequence);
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/* Main Loop */
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while (1) {
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for (uint8_t step = 0; step < seq_len; step++) {
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blink_led(LEDC_CHANNEL_0); // blink clock led
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pulse_cv(GPIO_CLK_OUT);
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// if step has been set for sequence
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if (sequence[step] == 1) {
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pulse_cv(true);
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} else {
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pulse_cv(false);
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pulse_cv(GPIO_GATE_OUT);
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blink_led(LEDC_CHANNEL_1); // blink gate triggered led
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}
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printf("%i", sequence[step]);
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vTaskDelay(bpm_to_ms(DEFAULT_BPM)/ portTICK_PERIOD_MS);
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