mirror of
https://github.com/sle118/squeezelite-esp32.git
synced 2025-12-10 05:27:01 +03:00
Rotary encoder + simplify
- GPIO expander works with rotary encoder - Much better mimic real GPIO, including ISR, to minimize impact on clients
This commit is contained in:
@@ -28,7 +28,7 @@
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static const char * TAG = "buttons";
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static const char * TAG = "buttons";
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static int n_buttons = 0;
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static EXT_RAM_ATTR int n_buttons;
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#define BUTTON_STACK_SIZE 4096
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#define BUTTON_STACK_SIZE 4096
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#define MAX_BUTTONS 32
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#define MAX_BUTTONS 32
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@@ -69,9 +69,8 @@ static EXT_RAM_ATTR struct {
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infrared_handler handler;
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infrared_handler handler;
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} infrared;
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} infrared;
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static QueueHandle_t button_queue, button_exp_queue;
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static EXT_RAM_ATTR QueueHandle_t button_queue;
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static TimerHandle_t button_exp_timer;
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static EXT_RAM_ATTR QueueSetHandle_t common_queue_set;
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static QueueSetHandle_t common_queue_set;
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static void buttons_task(void* arg);
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static void buttons_task(void* arg);
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static void buttons_handler(struct button_s *button, int level);
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static void buttons_handler(struct button_s *button, int level);
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@@ -97,9 +96,16 @@ static void IRAM_ATTR gpio_isr_handler(void* arg)
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struct button_s *button = (struct button_s*) arg;
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struct button_s *button = (struct button_s*) arg;
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BaseType_t woken = pdFALSE;
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BaseType_t woken = pdFALSE;
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if (xTimerGetPeriod(button->timer) > button->debounce / portTICK_RATE_MS) xTimerChangePeriodFromISR(button->timer, button->debounce / portTICK_RATE_MS, &woken); // does that restart the timer?
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if (xTimerGetPeriod(button->timer) > pdMS_TO_TICKS(button->debounce)) {
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else xTimerResetFromISR(button->timer, &woken);
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if (button->gpio < GPIO_NUM_MAX) xTimerChangePeriodFromISR(button->timer, pdMS_TO_TICKS(button->debounce), &woken);
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else xTimerChangePeriod(button->timer, pdMS_TO_TICKS(button->debounce), pdMS_TO_TICKS(10));
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} else {
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if (button->gpio < GPIO_NUM_MAX) xTimerResetFromISR(button->timer, &woken);
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else xTimerReset(button->timer, portMAX_DELAY);
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}
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if (woken) portYIELD_FROM_ISR();
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if (woken) portYIELD_FROM_ISR();
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ESP_EARLY_LOGD(TAG, "INT gpio %u level %u", button->gpio, button->level);
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ESP_EARLY_LOGD(TAG, "INT gpio %u level %u", button->gpio, button->level);
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}
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}
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@@ -108,36 +114,8 @@ static void IRAM_ATTR gpio_isr_handler(void* arg)
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*/
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*/
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static void buttons_timer_handler( TimerHandle_t xTimer ) {
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static void buttons_timer_handler( TimerHandle_t xTimer ) {
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struct button_s *button = (struct button_s*) pvTimerGetTimerID (xTimer);
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struct button_s *button = (struct button_s*) pvTimerGetTimerID (xTimer);
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buttons_handler(button, gpio_get_level(button->gpio));
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// if this is an expanded GPIO, must give cache a chance
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}
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buttons_handler(button, gpio_exp_get_level(button->gpio, (button->debounce * 3) / 2, NULL));
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/****************************************************************************************
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* GPIO expander low-level ISR handler
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*/
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static BaseType_t IRAM_ATTR gpio_exp_isr_handler(void* arg)
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{
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BaseType_t woken = pdFALSE;
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xTimerResetFromISR((TimerHandle_t) arg, &woken);
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return woken;
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}
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/****************************************************************************************
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* Buttons expander debounce timer
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*/
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static void buttons_exp_timer_handler( TimerHandle_t xTimer ) {
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struct gpio_exp_s *expander = (struct gpio_exp_s*) pvTimerGetTimerID (xTimer);
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xQueueSend(button_exp_queue, &expander, 0);
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ESP_LOGD(TAG, "Button expander base %u debounced", gpio_exp_get_base(expander));
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}
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/****************************************************************************************
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* Buttons expander enumerator
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*/
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static void buttons_exp_enumerator(int gpio, int level, struct gpio_exp_s *expander) {
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for (int i = 0; i < n_buttons; i++) if (buttons[i].gpio == gpio) {
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buttons_handler(buttons + i, level);
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return;
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}
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}
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}
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/****************************************************************************************
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/****************************************************************************************
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@@ -230,14 +208,6 @@ static void buttons_task(void* arg) {
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// button is a copy, so need to go to real context
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// button is a copy, so need to go to real context
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button.self->shifting = false;
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button.self->shifting = false;
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}
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}
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} else if (xActivatedMember == button_exp_queue) {
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struct gpio_exp_s *expander;
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/*
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we are not there yet, this is just a notice of a debounce, we need to enumerate
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GPIOs and let buttons_handler take care of longpress & al
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*/
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xQueueReceive(button_exp_queue, &expander, 0);
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gpio_exp_enumerate(buttons_exp_enumerator, expander);
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} else if (xActivatedMember == rotary.queue) {
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} else if (xActivatedMember == rotary.queue) {
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rotary_encoder_event_t event = { 0 };
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rotary_encoder_event_t event = { 0 };
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@@ -245,10 +215,10 @@ static void buttons_task(void* arg) {
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xQueueReceive(rotary.queue, &event, 0);
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xQueueReceive(rotary.queue, &event, 0);
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ESP_LOGD(TAG, "Event: position %d, direction %s", event.state.position,
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ESP_LOGD(TAG, "Event: position %d, direction %s", event.state.position,
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event.state.direction ? (event.state.direction == ROTARY_ENCODER_DIRECTION_CLOCKWISE ? "CW" : "CCW") : "NOT_SET");
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event.state.direction ? (event.state.direction == ROTARY_ENCODER_DIRECTION_CLOCKWISE ? "CW" : "CCW") : "NOT_SET");
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rotary.handler(rotary.client, event.state.direction == ROTARY_ENCODER_DIRECTION_CLOCKWISE ?
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rotary.handler(rotary.client, event.state.direction == ROTARY_ENCODER_DIRECTION_CLOCKWISE ?
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ROTARY_RIGHT : ROTARY_LEFT, false);
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ROTARY_RIGHT : ROTARY_LEFT, false);
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} else {
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} else {
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// this is IR
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// this is IR
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infrared_receive(infrared.rb, infrared.handler);
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infrared_receive(infrared.rb, infrared.handler);
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@@ -267,8 +237,6 @@ void dummy_handler(void *id, button_event_e event, button_press_e press) {
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* Create buttons
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* Create buttons
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*/
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*/
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void button_create(void *client, int gpio, int type, bool pull, int debounce, button_handler handler, int long_press, int shifter_gpio) {
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void button_create(void *client, int gpio, int type, bool pull, int debounce, button_handler handler, int long_press, int shifter_gpio) {
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struct gpio_exp_s *expander;
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if (n_buttons >= MAX_BUTTONS) return;
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if (n_buttons >= MAX_BUTTONS) return;
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ESP_LOGI(TAG, "Creating button using GPIO %u, type %u, pull-up/down %u, long press %u shifter %d", gpio, type, pull, long_press, shifter_gpio);
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ESP_LOGI(TAG, "Creating button using GPIO %u, type %u, pull-up/down %u, long press %u shifter %d", gpio, type, pull, long_press, shifter_gpio);
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@@ -307,60 +275,43 @@ void button_create(void *client, int gpio, int type, bool pull, int debounce, bu
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}
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}
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}
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}
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// creation is different is this is a native or an expanded GPIO
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gpio_pad_select_gpio_x(gpio);
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if (gpio < GPIO_NUM_MAX) {
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gpio_set_direction_x(gpio, GPIO_MODE_INPUT);
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gpio_pad_select_gpio(gpio);
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gpio_set_direction(gpio, GPIO_MODE_INPUT);
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// do we need pullup or pulldown
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// do we need pullup or pulldown
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if (pull) {
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if (pull) {
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if (GPIO_IS_VALID_OUTPUT_GPIO(gpio)) {
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if (GPIO_IS_VALID_OUTPUT_GPIO(gpio) || gpio >= GPIO_NUM_MAX) {
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if (type == BUTTON_LOW) gpio_set_pull_mode(gpio, GPIO_PULLUP_ONLY);
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if (type == BUTTON_LOW) gpio_set_pull_mode_x(gpio, GPIO_PULLUP_ONLY);
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else gpio_set_pull_mode(gpio, GPIO_PULLDOWN_ONLY);
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else gpio_set_pull_mode_x(gpio, GPIO_PULLDOWN_ONLY);
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} else {
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} else {
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ESP_LOGW(TAG, "cannot set pull up/down for gpio %u", gpio);
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ESP_LOGW(TAG, "cannot set pull up/down for gpio %u", gpio);
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}
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}
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}
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// and initialize level ...
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buttons[n_buttons].level = gpio_get_level_x(gpio);
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// nasty ESP32 bug: fire-up constantly INT on GPIO 36/39 if ADC1, AMP, Hall used which WiFi does when PS is activated
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for (int i = 0; polled_gpio[i].gpio != -1; i++) if (polled_gpio[i].gpio == gpio) {
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if (!polled_timer) {
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polled_timer = xTimerCreate("buttonsPolling", 100 / portTICK_RATE_MS, pdTRUE, polled_gpio, buttons_polling);
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xTimerStart(polled_timer, portMAX_DELAY);
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}
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}
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// and initialize level ...
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polled_gpio[i].button = buttons + n_buttons;
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buttons[n_buttons].level = gpio_get_level(gpio);
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polled_gpio[i].level = gpio_get_level(gpio);
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ESP_LOGW(TAG, "creating polled gpio %u, level %u", gpio, polled_gpio[i].level);
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// nasty ESP32 bug: fire-up constantly INT on GPIO 36/39 if ADC1, AMP, Hall used which WiFi does when PS is activated
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gpio = -1;
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for (int i = 0; polled_gpio[i].gpio != -1; i++) if (polled_gpio[i].gpio == gpio) {
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break;
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if (!polled_timer) {
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}
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polled_timer = xTimerCreate("buttonsPolling", 100 / portTICK_RATE_MS, pdTRUE, polled_gpio, buttons_polling);
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xTimerStart(polled_timer, portMAX_DELAY);
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}
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polled_gpio[i].button = buttons + n_buttons;
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// only create ISR if this is not a polled gpio
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polled_gpio[i].level = gpio_get_level(gpio);
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if (gpio != -1) {
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ESP_LOGW(TAG, "creating polled gpio %u, level %u", gpio, polled_gpio[i].level);
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// we need any edge detection
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gpio_set_intr_type_x(gpio, GPIO_INTR_ANYEDGE);
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gpio = -1;
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gpio_isr_handler_add_x(gpio, gpio_isr_handler, buttons + n_buttons);
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break;
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gpio_intr_enable_x(gpio);
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}
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// only create ISR if this is not a polled gpio
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if (gpio != -1) {
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// we need any edge detection
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gpio_set_intr_type(gpio, GPIO_INTR_ANYEDGE);
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gpio_isr_handler_add(gpio, gpio_isr_handler, (void*) &buttons[n_buttons]);
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gpio_intr_enable(gpio);
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}
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} else if ((expander = gpio_exp_get_expander(gpio)) != NULL) {
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// set GPIO as an ouptut and acquire value
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gpio_exp_set_direction(gpio, GPIO_MODE_INPUT, expander);
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buttons[n_buttons].level = gpio_exp_get_level(gpio, 0, expander);
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// create queue and timer for GPIO expander
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if (!button_exp_queue && expander) {
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button_exp_queue = xQueueCreate(BUTTON_QUEUE_LEN, sizeof(struct gpio_exp_s*));
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button_exp_timer = xTimerCreate("button_expander", pdMS_TO_TICKS(DEBOUNCE), pdFALSE, expander, buttons_exp_timer_handler);
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xQueueAddToSet( button_exp_queue, common_queue_set );
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gpio_exp_add_isr(gpio_exp_isr_handler, button_exp_timer, expander);
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}
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} else {
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ESP_LOGE(TAG, "Can't create button, GPIO %d does not exist", gpio);
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}
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}
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n_buttons++;
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n_buttons++;
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@@ -10,6 +10,7 @@
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#include <stdlib.h>
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#include <stdlib.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/task.h"
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#include "freertos/timers.h"
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#include "freertos/queue.h"
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#include "freertos/queue.h"
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#include "esp_task.h"
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#include "esp_task.h"
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#include "esp_log.h"
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#include "esp_log.h"
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@@ -17,18 +18,27 @@
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#include "driver/i2c.h"
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#include "driver/i2c.h"
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#include "gpio_exp.h"
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#include "gpio_exp.h"
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#define GPIO_EXP_INTR 0x100
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#define GPIO_EXP_WRITE 0x200
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/*
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shadow register is both output and input, so we assume that reading to the
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ports also reads the value set on output
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*/
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typedef struct gpio_exp_s {
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typedef struct gpio_exp_s {
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uint32_t first, last;
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uint32_t first, last;
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union gpio_exp_phy_u phy;
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union gpio_exp_phy_u phy;
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uint32_t shadow;
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uint32_t shadow, pending;
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TickType_t age;
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TickType_t age;
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SemaphoreHandle_t mutex;
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SemaphoreHandle_t mutex;
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uint32_t r_mask, w_mask;
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uint32_t r_mask, w_mask;
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uint32_t pullup, pulldown;
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uint32_t pullup, pulldown;
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struct {
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struct gpio_exp_isr_s {
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gpio_exp_isr handler;
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gpio_isr_t handler;
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void *arg;
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void *arg;
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} isr[4];
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TimerHandle_t timer;
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} isr[32];
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struct gpio_exp_model_s const *model;
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struct gpio_exp_model_s const *model;
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} gpio_exp_t;
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} gpio_exp_t;
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@@ -37,7 +47,7 @@ typedef struct {
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int gpio;
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int gpio;
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int level;
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int level;
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gpio_exp_t *expander;
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gpio_exp_t *expander;
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} async_request_t;
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} queue_request_t;
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static const char TAG[] = "gpio expander";
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static const char TAG[] = "gpio expander";
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@@ -58,11 +68,11 @@ static void mcp23017_set_direction(gpio_exp_t* self);
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static int mcp23017_read(gpio_exp_t* self);
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static int mcp23017_read(gpio_exp_t* self);
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static void mcp23017_write(gpio_exp_t* self);
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static void mcp23017_write(gpio_exp_t* self);
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static void async_handler(void *arg);
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static void service_handler(void *arg);
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static void debounce_handler( TimerHandle_t xTimer );
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static esp_err_t i2c_write_byte(uint8_t i2c_port, uint8_t i2c_addr, uint8_t reg, uint8_t val);
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static esp_err_t i2c_write_byte(uint8_t i2c_port, uint8_t i2c_addr, uint8_t reg, uint8_t val);
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static uint8_t i2c_read_byte(uint8_t i2c_port, uint8_t i2c_addr, uint8_t reg);
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static uint16_t i2c_read(uint8_t i2c_port, uint8_t i2c_addr, uint8_t reg, bool word);
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static uint16_t i2c_read_word(uint8_t i2c_port, uint8_t i2c_addr, uint8_t reg);
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static esp_err_t i2c_write_word(uint8_t i2c_port, uint8_t i2c_addr, uint8_t reg, uint16_t data);
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static esp_err_t i2c_write_word(uint8_t i2c_port, uint8_t i2c_addr, uint8_t reg, uint16_t data);
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static const struct gpio_exp_model_s {
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static const struct gpio_exp_model_s {
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@@ -94,8 +104,9 @@ static const struct gpio_exp_model_s {
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};
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};
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static EXT_RAM_ATTR uint8_t n_expanders;
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static EXT_RAM_ATTR uint8_t n_expanders;
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static EXT_RAM_ATTR QueueHandle_t async_queue;
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static EXT_RAM_ATTR QueueHandle_t message_queue;
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static EXT_RAM_ATTR gpio_exp_t expanders[4];
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static EXT_RAM_ATTR gpio_exp_t expanders[4];
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static EXT_RAM_ATTR TaskHandle_t service_task;
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/******************************************************************************
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/******************************************************************************
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* Retrieve base from an expander reference
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* Retrieve base from an expander reference
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@@ -138,17 +149,18 @@ gpio_exp_t* gpio_exp_create(const gpio_exp_config_t *config) {
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expander->first = config->base;
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expander->first = config->base;
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expander->last = config->base + config->count - 1;
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expander->last = config->base + config->count - 1;
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expander->mutex = xSemaphoreCreateMutex();
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expander->mutex = xSemaphoreCreateMutex();
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memcpy(&expander->phy, &config->phy, sizeof(union gpio_exp_phy_u));
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memcpy(&expander->phy, &config->phy, sizeof(union gpio_exp_phy_u));
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if (expander->model->init) expander->model->init(expander);
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if (expander->model->init) expander->model->init(expander);
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// create a task to handle asynchronous requests (only write at this time)
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// create a task to handle asynchronous requests (only write at this time)
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if (!async_queue) {
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if (!message_queue) {
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// we allocate TCB but stack is staic to avoid SPIRAM fragmentation
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// we allocate TCB but stack is static to avoid SPIRAM fragmentation
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StaticTask_t* xTaskBuffer = (StaticTask_t*) heap_caps_malloc(sizeof(StaticTask_t), MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
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StaticTask_t* xTaskBuffer = (StaticTask_t*) heap_caps_malloc(sizeof(StaticTask_t), MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
|
||||||
static EXT_RAM_ATTR StackType_t xStack[2*1024] __attribute__ ((aligned (4)));
|
static EXT_RAM_ATTR StackType_t xStack[4*1024] __attribute__ ((aligned (4)));
|
||||||
|
|
||||||
async_queue = xQueueCreate(4, sizeof(async_request_t));
|
message_queue = xQueueCreate(4, sizeof(queue_request_t));
|
||||||
xTaskCreateStatic(async_handler, "gpio_expander", sizeof(xStack), NULL, ESP_TASK_PRIO_MIN + 1, xStack, xTaskBuffer);
|
service_task = xTaskCreateStatic(service_handler, "gpio_expander", sizeof(xStack), NULL, ESP_TASK_PRIO_MIN + 1, xStack, xTaskBuffer);
|
||||||
}
|
}
|
||||||
|
|
||||||
// set interrupt if possible
|
// set interrupt if possible
|
||||||
@@ -180,36 +192,45 @@ gpio_exp_t* gpio_exp_create(const gpio_exp_config_t *config) {
|
|||||||
}
|
}
|
||||||
|
|
||||||
/******************************************************************************
|
/******************************************************************************
|
||||||
* Add ISR handler
|
* Add ISR handler for a GPIO
|
||||||
*/
|
*/
|
||||||
bool gpio_exp_add_isr(gpio_exp_isr isr, void *arg, gpio_exp_t *expander) {
|
esp_err_t gpio_exp_isr_handler_add(int gpio, gpio_isr_t isr_handler, uint32_t debounce, void *arg, struct gpio_exp_s *expander) {
|
||||||
xSemaphoreTake(expander->mutex, pdMS_TO_TICKS(portMAX_DELAY));
|
if (gpio < GPIO_NUM_MAX && !expander) return gpio_isr_handler_add(gpio, isr_handler, arg);
|
||||||
|
if ((expander = find_expander(expander, &gpio)) == NULL) return ESP_ERR_INVALID_ARG;
|
||||||
|
|
||||||
for (int i = 0; i < sizeof(expander->isr)/sizeof(*expander->isr); i++) {
|
expander->isr[gpio].handler = isr_handler;
|
||||||
if (!expander->isr[i].handler) {
|
expander->isr[gpio].arg = arg;
|
||||||
expander->isr[i].handler = isr;
|
if (debounce) expander->isr[gpio].timer = xTimerCreate("gpioExpDebounce", pdMS_TO_TICKS(debounce),
|
||||||
expander->isr[i].arg = arg;
|
pdFALSE, expander->isr + gpio, debounce_handler );
|
||||||
ESP_LOGI(TAG, "Added new ISR for expander base %d", expander->first);
|
|
||||||
xSemaphoreGive(expander->mutex);
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
xSemaphoreGive(expander->mutex);
|
return ESP_OK;
|
||||||
ESP_LOGE(TAG, "No room left to add new ISR");
|
}
|
||||||
return false;
|
|
||||||
|
/******************************************************************************
|
||||||
|
* Remove ISR handler for a GPIO
|
||||||
|
*/
|
||||||
|
esp_err_t gpio_exp_isr_handler_remove(int gpio, struct gpio_exp_s *expander) {
|
||||||
|
if (gpio < GPIO_NUM_MAX && !expander) return gpio_isr_handler_remove(gpio);
|
||||||
|
if ((expander = find_expander(expander, &gpio)) == NULL) return ESP_ERR_INVALID_ARG;
|
||||||
|
|
||||||
|
if (expander->isr[gpio].timer) xTimerDelete(expander->isr[gpio].timer, portMAX_DELAY);
|
||||||
|
memset(expander->isr + gpio, 0, sizeof(struct gpio_exp_isr_s));
|
||||||
|
|
||||||
|
return ESP_OK;
|
||||||
}
|
}
|
||||||
|
|
||||||
/******************************************************************************
|
/******************************************************************************
|
||||||
* Set GPIO direction
|
* Set GPIO direction
|
||||||
*/
|
*/
|
||||||
esp_err_t gpio_exp_set_direction(int gpio, gpio_mode_t mode, gpio_exp_t *expander) {
|
esp_err_t gpio_exp_set_direction(int gpio, gpio_mode_t mode, gpio_exp_t *expander) {
|
||||||
|
if (gpio < GPIO_NUM_MAX && !expander) return gpio_set_direction(gpio, mode);
|
||||||
if ((expander = find_expander(expander, &gpio)) == NULL) return ESP_ERR_INVALID_ARG;
|
if ((expander = find_expander(expander, &gpio)) == NULL) return ESP_ERR_INVALID_ARG;
|
||||||
|
|
||||||
xSemaphoreTake(expander->mutex, pdMS_TO_TICKS(portMAX_DELAY));
|
xSemaphoreTake(expander->mutex, pdMS_TO_TICKS(portMAX_DELAY));
|
||||||
|
|
||||||
if (mode == GPIO_MODE_INPUT) {
|
if (mode == GPIO_MODE_INPUT) {
|
||||||
expander->r_mask |= 1 << gpio;
|
expander->r_mask |= 1 << gpio;
|
||||||
|
expander->shadow = expander->model->read(expander);
|
||||||
expander->age = ~xTaskGetTickCount();
|
expander->age = ~xTaskGetTickCount();
|
||||||
} else {
|
} else {
|
||||||
expander->w_mask |= 1 << gpio;
|
expander->w_mask |= 1 << gpio;
|
||||||
@@ -225,26 +246,36 @@ esp_err_t gpio_exp_set_direction(int gpio, gpio_mode_t mode, gpio_exp_t *expande
|
|||||||
if (expander->model->set_direction) expander->model->set_direction(expander);
|
if (expander->model->set_direction) expander->model->set_direction(expander);
|
||||||
|
|
||||||
xSemaphoreGive(expander->mutex);
|
xSemaphoreGive(expander->mutex);
|
||||||
|
|
||||||
return ESP_OK;
|
return ESP_OK;
|
||||||
}
|
}
|
||||||
|
|
||||||
/******************************************************************************
|
/******************************************************************************
|
||||||
* Get GPIO level with cache
|
* Get GPIO level with cache
|
||||||
*/
|
*/
|
||||||
int gpio_exp_get_level(int gpio, uint32_t age, gpio_exp_t *expander) {
|
int gpio_exp_get_level(int gpio, int age, gpio_exp_t *expander) {
|
||||||
|
if (gpio < GPIO_NUM_MAX && !expander) return gpio_get_level(gpio);
|
||||||
if ((expander = find_expander(expander, &gpio)) == NULL) return -1;
|
if ((expander = find_expander(expander, &gpio)) == NULL) return -1;
|
||||||
uint32_t now = xTaskGetTickCount();
|
uint32_t now = xTaskGetTickCount();
|
||||||
|
|
||||||
// this is a little risk here but that avoids calling scheduler if we are cached
|
// return last thing we had if we can't get the mutex
|
||||||
if (now - expander->age >= pdMS_TO_TICKS(age)) {
|
if (xSemaphoreTake(expander->mutex, pdMS_TO_TICKS(50)) == pdFALSE) {
|
||||||
if (xSemaphoreTake(expander->mutex, pdMS_TO_TICKS(50)) == pdFALSE) return -1;
|
ESP_LOGW(TAG, "Can't get mutex for GPIO %d", expander->first + gpio);
|
||||||
|
return (expander->shadow >> gpio) & 0x01;
|
||||||
expander->shadow = expander->model->read(expander);
|
|
||||||
expander->age = now;
|
|
||||||
|
|
||||||
xSemaphoreGive(expander->mutex);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// re-read the expander if data is too old
|
||||||
|
if (age >= 0 && now - expander->age >= pdMS_TO_TICKS(age)) {
|
||||||
|
uint32_t value = expander->model->read(expander);
|
||||||
|
expander->pending |= (expander->shadow ^ value) & expander->r_mask;
|
||||||
|
expander->shadow = value;
|
||||||
|
expander->age = now;
|
||||||
|
}
|
||||||
|
|
||||||
|
// clear pending bit
|
||||||
|
expander->pending &= ~(1 << gpio);
|
||||||
|
|
||||||
|
xSemaphoreGive(expander->mutex);
|
||||||
|
|
||||||
ESP_LOGD(TAG, "Get level for GPIO %u => read %x", expander->first + gpio, expander->shadow);
|
ESP_LOGD(TAG, "Get level for GPIO %u => read %x", expander->first + gpio, expander->shadow);
|
||||||
return (expander->shadow >> gpio) & 0x01;
|
return (expander->shadow >> gpio) & 0x01;
|
||||||
@@ -254,10 +285,11 @@ int gpio_exp_get_level(int gpio, uint32_t age, gpio_exp_t *expander) {
|
|||||||
* Set GPIO level with cache
|
* Set GPIO level with cache
|
||||||
*/
|
*/
|
||||||
esp_err_t gpio_exp_set_level(int gpio, int level, bool direct, gpio_exp_t *expander) {
|
esp_err_t gpio_exp_set_level(int gpio, int level, bool direct, gpio_exp_t *expander) {
|
||||||
|
if (gpio < GPIO_NUM_MAX && !expander) return gpio_set_level(gpio, level);
|
||||||
if ((expander = find_expander(expander, &gpio)) == NULL) return ESP_ERR_INVALID_ARG;
|
if ((expander = find_expander(expander, &gpio)) == NULL) return ESP_ERR_INVALID_ARG;
|
||||||
uint32_t mask = 1 << gpio;
|
uint32_t mask = 1 << gpio;
|
||||||
|
|
||||||
// limited risk with lack of semaphore here
|
// very limited risk with lack of semaphore here
|
||||||
if ((expander->w_mask & mask) == 0) {
|
if ((expander->w_mask & mask) == 0) {
|
||||||
ESP_LOGW(TAG, "GPIO %d is not set for output", expander->first + gpio);
|
ESP_LOGW(TAG, "GPIO %d is not set for output", expander->first + gpio);
|
||||||
return ESP_ERR_INVALID_ARG;
|
return ESP_ERR_INVALID_ARG;
|
||||||
@@ -278,8 +310,11 @@ esp_err_t gpio_exp_set_level(int gpio, int level, bool direct, gpio_exp_t *expan
|
|||||||
xSemaphoreGive(expander->mutex);
|
xSemaphoreGive(expander->mutex);
|
||||||
ESP_LOGD(TAG, "Set level %x for GPIO %u => wrote %x", level, expander->first + gpio, expander->shadow);
|
ESP_LOGD(TAG, "Set level %x for GPIO %u => wrote %x", level, expander->first + gpio, expander->shadow);
|
||||||
} else {
|
} else {
|
||||||
async_request_t request = { .gpio = gpio, .level = level, .type = ASYNC_WRITE, .expander = expander };
|
queue_request_t request = { .gpio = gpio, .level = level, .type = ASYNC_WRITE, .expander = expander };
|
||||||
if (xQueueSend(async_queue, &request, 0) == pdFALSE) return ESP_ERR_INVALID_RESPONSE;
|
if (xQueueSend(message_queue, &request, 0) == pdFALSE) return ESP_ERR_INVALID_RESPONSE;
|
||||||
|
|
||||||
|
// notify service task that will write it when it can
|
||||||
|
xTaskNotify(service_task, GPIO_EXP_WRITE, eSetValueWithoutOverwrite);
|
||||||
}
|
}
|
||||||
|
|
||||||
return ESP_OK;
|
return ESP_OK;
|
||||||
@@ -289,6 +324,7 @@ esp_err_t gpio_exp_set_level(int gpio, int level, bool direct, gpio_exp_t *expan
|
|||||||
* Set GPIO pullmode
|
* Set GPIO pullmode
|
||||||
*/
|
*/
|
||||||
esp_err_t gpio_exp_set_pull_mode(int gpio, gpio_pull_mode_t mode, gpio_exp_t *expander) {
|
esp_err_t gpio_exp_set_pull_mode(int gpio, gpio_pull_mode_t mode, gpio_exp_t *expander) {
|
||||||
|
if (gpio < GPIO_NUM_MAX && !expander) return gpio_set_pull_mode(gpio, mode);
|
||||||
if ((expander = find_expander(expander, &gpio)) != NULL && expander->model->set_pull_mode) {
|
if ((expander = find_expander(expander, &gpio)) != NULL && expander->model->set_pull_mode) {
|
||||||
|
|
||||||
expander->pullup &= ~(1 << gpio);
|
expander->pullup &= ~(1 << gpio);
|
||||||
@@ -303,54 +339,44 @@ esp_err_t gpio_exp_set_pull_mode(int gpio, gpio_pull_mode_t mode, gpio_exp_t *ex
|
|||||||
return ESP_ERR_INVALID_ARG;
|
return ESP_ERR_INVALID_ARG;
|
||||||
}
|
}
|
||||||
|
|
||||||
/******************************************************************************
|
|
||||||
* Enumerate modified GPIO
|
|
||||||
*/
|
|
||||||
void gpio_exp_enumerate(gpio_exp_enumerator enumerator, gpio_exp_t *expander) {
|
|
||||||
uint32_t value = expander->model->read(expander) ^ expander->shadow;
|
|
||||||
uint8_t clz;
|
|
||||||
|
|
||||||
// memorize newly read value and just update if requested
|
|
||||||
xSemaphoreTake(expander->mutex, pdMS_TO_TICKS(50));
|
|
||||||
expander->shadow ^= value;
|
|
||||||
xSemaphoreGive(expander->mutex);
|
|
||||||
if (!enumerator) return;
|
|
||||||
|
|
||||||
// now we have a bitmap of all modified GPIO sinnce last call
|
|
||||||
for (int gpio = 0; value; value <<= (clz + 1)) {
|
|
||||||
clz = __builtin_clz(value);
|
|
||||||
gpio += clz;
|
|
||||||
enumerator(expander->first + 31 - gpio, (expander->shadow >> (31 - gpio)) & 0x01, expander);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/******************************************************************************
|
/******************************************************************************
|
||||||
* Wrapper function
|
* Wrapper function
|
||||||
*/
|
*/
|
||||||
esp_err_t gpio_set_pull_mode_u(int gpio, gpio_pull_mode_t mode) {
|
esp_err_t gpio_set_pull_mode_x(int gpio, gpio_pull_mode_t mode) {
|
||||||
if (gpio < GPIO_NUM_MAX) return gpio_set_pull_mode(gpio, mode);
|
if (gpio < GPIO_NUM_MAX) return gpio_set_pull_mode(gpio, mode);
|
||||||
return gpio_exp_set_pull_mode(gpio, mode, NULL);
|
return gpio_exp_set_pull_mode(gpio, mode, NULL);
|
||||||
}
|
}
|
||||||
|
|
||||||
esp_err_t gpio_set_direction_u(int gpio, gpio_mode_t mode) {
|
esp_err_t gpio_set_direction_x(int gpio, gpio_mode_t mode) {
|
||||||
if (gpio < GPIO_NUM_MAX) return gpio_set_direction(gpio, mode);
|
if (gpio < GPIO_NUM_MAX) return gpio_set_direction(gpio, mode);
|
||||||
return gpio_exp_set_direction(gpio, mode, NULL);
|
return gpio_exp_set_direction(gpio, mode, NULL);
|
||||||
}
|
}
|
||||||
|
|
||||||
int gpio_get_level_u(int gpio) {
|
int gpio_get_level_x(int gpio) {
|
||||||
if (gpio < GPIO_NUM_MAX) return gpio_get_level(gpio);
|
if (gpio < GPIO_NUM_MAX) return gpio_get_level(gpio);
|
||||||
return gpio_exp_get_level(gpio, 50, NULL);
|
return gpio_exp_get_level(gpio, 10, NULL);
|
||||||
}
|
}
|
||||||
|
|
||||||
esp_err_t gpio_set_level_u(int gpio, int level) {
|
esp_err_t gpio_set_level_x(int gpio, int level) {
|
||||||
if (gpio < GPIO_NUM_MAX) return gpio_set_level(gpio, level);
|
if (gpio < GPIO_NUM_MAX) return gpio_set_level(gpio, level);
|
||||||
return gpio_exp_set_level(gpio, level, false, NULL);
|
return gpio_exp_set_level(gpio, level, false, NULL);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
esp_err_t gpio_isr_handler_add_x(int gpio, gpio_isr_t isr_handler, void* args) {
|
||||||
|
if (gpio < GPIO_NUM_MAX) return gpio_isr_handler_add(gpio, isr_handler, args);
|
||||||
|
return gpio_exp_isr_handler_add(gpio, isr_handler, 0, args, NULL);
|
||||||
|
}
|
||||||
|
|
||||||
|
esp_err_t gpio_isr_handler_remove_x(int gpio) {
|
||||||
|
if (gpio < GPIO_NUM_MAX) return gpio_isr_handler_remove(gpio);
|
||||||
|
return gpio_exp_isr_handler_remove(gpio, NULL);
|
||||||
|
}
|
||||||
|
|
||||||
/****************************************************************************************
|
/****************************************************************************************
|
||||||
* Find the expander related to base
|
* Find the expander related to base
|
||||||
*/
|
*/
|
||||||
static gpio_exp_t* find_expander(gpio_exp_t *expander, int *gpio) {
|
static gpio_exp_t* find_expander(gpio_exp_t *expander, int *gpio) {
|
||||||
|
// a mutex would be better, but risk is so small...
|
||||||
for (int i = 0; !expander && i < n_expanders; i++) {
|
for (int i = 0; !expander && i < n_expanders; i++) {
|
||||||
if (*gpio >= expanders[i].first && *gpio <= expanders[i].last) expander = expanders + i;
|
if (*gpio >= expanders[i].first && *gpio <= expanders[i].last) expander = expanders + i;
|
||||||
}
|
}
|
||||||
@@ -369,7 +395,7 @@ static void pca9535_set_direction(gpio_exp_t* self) {
|
|||||||
}
|
}
|
||||||
|
|
||||||
static int pca9535_read(gpio_exp_t* self) {
|
static int pca9535_read(gpio_exp_t* self) {
|
||||||
return i2c_read_word(self->phy.port, self->phy.addr, 0x00);
|
return i2c_read(self->phy.port, self->phy.addr, 0x00, true);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void pca9535_write(gpio_exp_t* self) {
|
static void pca9535_write(gpio_exp_t* self) {
|
||||||
@@ -385,7 +411,7 @@ static void pca85xx_set_direction(gpio_exp_t* self) {
|
|||||||
}
|
}
|
||||||
|
|
||||||
static int pca85xx_read(gpio_exp_t* self) {
|
static int pca85xx_read(gpio_exp_t* self) {
|
||||||
return i2c_read_word(self->phy.port, self->phy.addr, 0xff);
|
return i2c_read(self->phy.port, self->phy.addr, 0xff, true);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void pca85xx_write(gpio_exp_t* self) {
|
static void pca85xx_write(gpio_exp_t* self) {
|
||||||
@@ -398,7 +424,7 @@ static void pca85xx_write(gpio_exp_t* self) {
|
|||||||
*/
|
*/
|
||||||
static void mcp23017_init(gpio_exp_t* self) {
|
static void mcp23017_init(gpio_exp_t* self) {
|
||||||
/*
|
/*
|
||||||
0111 x10x = same bank, mirrot single int, no sequent<EFBFBD>ial, open drain, active low
|
0111 x10x = same bank, mirrot single int, no sequentµial, open drain, active low
|
||||||
not sure about this funny change of mapping of the control register itself, really?
|
not sure about this funny change of mapping of the control register itself, really?
|
||||||
*/
|
*/
|
||||||
i2c_write_byte(self->phy.port, self->phy.addr, 0x05, 0x74);
|
i2c_write_byte(self->phy.port, self->phy.addr, 0x05, 0x74);
|
||||||
@@ -421,7 +447,7 @@ static void mcp23017_set_pull_mode(gpio_exp_t* self) {
|
|||||||
|
|
||||||
static int mcp23017_read(gpio_exp_t* self) {
|
static int mcp23017_read(gpio_exp_t* self) {
|
||||||
// read the pin value, not the stored one @interrupt
|
// read the pin value, not the stored one @interrupt
|
||||||
return i2c_read_word(self->phy.port, self->phy.addr, 0x12);
|
return i2c_read(self->phy.port, self->phy.addr, 0x12, true);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void mcp23017_write(gpio_exp_t* self) {
|
static void mcp23017_write(gpio_exp_t* self) {
|
||||||
@@ -431,43 +457,68 @@ static void mcp23017_write(gpio_exp_t* self) {
|
|||||||
/****************************************************************************************
|
/****************************************************************************************
|
||||||
* INTR low-level handler
|
* INTR low-level handler
|
||||||
*/
|
*/
|
||||||
static void IRAM_ATTR intr_isr_handler(void* arg)
|
static void IRAM_ATTR intr_isr_handler(void* arg) {
|
||||||
{
|
|
||||||
gpio_exp_t *expander = (gpio_exp_t*) arg;
|
|
||||||
BaseType_t woken = pdFALSE;
|
BaseType_t woken = pdFALSE;
|
||||||
|
|
||||||
for (int i = 0; i < sizeof(expander->isr)/sizeof(*expander->isr); i++) {
|
xTaskNotifyFromISR(service_task, GPIO_EXP_INTR, eSetValueWithOverwrite, &woken);
|
||||||
if (expander->isr[i].handler) woken |= expander->isr[i].handler(expander->isr[i].arg);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (woken) portYIELD_FROM_ISR();
|
if (woken) portYIELD_FROM_ISR();
|
||||||
|
|
||||||
ESP_EARLY_LOGD(TAG, "INTR for expander %u", expander->first);
|
ESP_EARLY_LOGD(TAG, "INTR for expander base", gpio_exp_get_base(arg));
|
||||||
}
|
}
|
||||||
|
|
||||||
/****************************************************************************************
|
/****************************************************************************************
|
||||||
* Async task
|
* INTR debounce handler
|
||||||
*/
|
*/
|
||||||
void async_handler(void *arg) {
|
static void debounce_handler( TimerHandle_t xTimer ) {
|
||||||
|
struct gpio_exp_isr_s *isr = (struct gpio_exp_isr_s*) pvTimerGetTimerID (xTimer);
|
||||||
|
isr->handler(isr->arg);
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************************
|
||||||
|
* Service task
|
||||||
|
*/
|
||||||
|
void service_handler(void *arg) {
|
||||||
while (1) {
|
while (1) {
|
||||||
esp_err_t err;
|
queue_request_t request;
|
||||||
async_request_t request;
|
uint32_t notif = ulTaskNotifyTake(pdTRUE, portMAX_DELAY);
|
||||||
|
|
||||||
if (!xQueueReceive(async_queue, &request, portMAX_DELAY)) continue;
|
// we have been notified of an interrupt
|
||||||
|
if (notif == GPIO_EXP_INTR) {
|
||||||
|
/* If we want a smarter bitmap of expanders with a pending interrupt
|
||||||
|
we'll have to disable interrupts while clearing that bitmap. For
|
||||||
|
now, a loop will do */
|
||||||
|
for (int i = 0; i < n_expanders; i++) {
|
||||||
|
gpio_exp_t *expander = expanders + i;
|
||||||
|
|
||||||
switch (request.type) {
|
xSemaphoreTake(expander->mutex, pdMS_TO_TICKS(50));
|
||||||
case ASYNC_WRITE:
|
|
||||||
err = gpio_exp_set_level(request.gpio, request.level, true, request.expander);
|
// read GPIOs and clear all pending status
|
||||||
|
uint32_t value = expander->model->read(expander);
|
||||||
|
uint32_t pending = expander->pending | ((expander->shadow ^ value) & expander->r_mask);
|
||||||
|
expander->shadow = value;
|
||||||
|
expander->pending = 0;
|
||||||
|
expander->age = xTaskGetTickCount();
|
||||||
|
|
||||||
|
xSemaphoreGive(expander->mutex);
|
||||||
|
ESP_LOGD(TAG, "Handling GPIO %d reads 0x%04x and has 0x%04x pending", expander->first, expander->shadow, pending);
|
||||||
|
|
||||||
|
for (int gpio = 31, clz; pending; pending <<= (clz + 1)) {
|
||||||
|
clz = __builtin_clz(pending);
|
||||||
|
gpio -= clz;
|
||||||
|
if (expander->isr[gpio].timer) xTimerReset(expander->isr[gpio].timer, 1); // todo 0
|
||||||
|
else if (expander->isr[gpio].handler) expander->isr[gpio].handler(expander->isr[gpio].arg);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// check if we have some other pending requests
|
||||||
|
if (xQueueReceive(message_queue, &request, 0) == pdTRUE) {
|
||||||
|
esp_err_t err = gpio_exp_set_level(request.gpio, request.level, true, request.expander);
|
||||||
if (err != ESP_OK) ESP_LOGW(TAG, "Can't execute async GPIO %d write request (%d)", request.gpio, err);
|
if (err != ESP_OK) ESP_LOGW(TAG, "Can't execute async GPIO %d write request (%d)", request.gpio, err);
|
||||||
break;
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/****************************************************************************************
|
/****************************************************************************************
|
||||||
*
|
*
|
||||||
*/
|
*/
|
||||||
@@ -491,41 +542,14 @@ static esp_err_t i2c_write_byte(uint8_t i2c_port, uint8_t i2c_addr, uint8_t reg,
|
|||||||
}
|
}
|
||||||
|
|
||||||
/****************************************************************************************
|
/****************************************************************************************
|
||||||
* I2C read one byte
|
* I2C read 8 or 16 bits word
|
||||||
*/
|
*/
|
||||||
static uint8_t i2c_read_byte(uint8_t i2c_port, uint8_t i2c_addr, uint8_t reg) {
|
static uint16_t i2c_read(uint8_t i2c_port, uint8_t i2c_addr, uint8_t reg, bool word) {
|
||||||
uint8_t data = 0xff;
|
uint8_t data[2];
|
||||||
|
|
||||||
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
|
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
|
||||||
|
|
||||||
i2c_master_start(cmd);
|
i2c_master_start(cmd);
|
||||||
|
|
||||||
i2c_master_write_byte(cmd, (i2c_addr << 1) | I2C_MASTER_WRITE, I2C_MASTER_NACK);
|
|
||||||
i2c_master_write_byte(cmd, reg, I2C_MASTER_NACK);
|
|
||||||
|
|
||||||
i2c_master_start(cmd);
|
|
||||||
i2c_master_write_byte(cmd, (i2c_addr << 1) | I2C_MASTER_READ, I2C_MASTER_NACK);
|
|
||||||
i2c_master_read_byte(cmd, &data, I2C_MASTER_NACK);
|
|
||||||
|
|
||||||
i2c_master_stop(cmd);
|
|
||||||
esp_err_t ret = i2c_master_cmd_begin(i2c_port, cmd, 100 / portTICK_RATE_MS);
|
|
||||||
i2c_cmd_link_delete(cmd);
|
|
||||||
|
|
||||||
if (ret != ESP_OK) {
|
|
||||||
ESP_LOGW(TAG, "I2C read failed");
|
|
||||||
}
|
|
||||||
|
|
||||||
return data;
|
|
||||||
}
|
|
||||||
|
|
||||||
/****************************************************************************************
|
|
||||||
* I2C read 16 bits word
|
|
||||||
*/
|
|
||||||
static uint16_t i2c_read_word(uint8_t i2c_port, uint8_t i2c_addr, uint8_t reg) {
|
|
||||||
uint16_t data = 0xffff;
|
|
||||||
|
|
||||||
i2c_cmd_handle_t cmd = i2c_cmd_link_create();
|
|
||||||
i2c_master_start(cmd);
|
|
||||||
|
|
||||||
i2c_master_write_byte(cmd, (i2c_addr << 1) | I2C_MASTER_WRITE, I2C_MASTER_NACK);
|
i2c_master_write_byte(cmd, (i2c_addr << 1) | I2C_MASTER_WRITE, I2C_MASTER_NACK);
|
||||||
|
|
||||||
// when using a register, write it's value then the device address again
|
// when using a register, write it's value then the device address again
|
||||||
@@ -535,7 +559,12 @@ static uint16_t i2c_read_word(uint8_t i2c_port, uint8_t i2c_addr, uint8_t reg) {
|
|||||||
i2c_master_write_byte(cmd, (i2c_addr << 1) | I2C_MASTER_READ, I2C_MASTER_NACK);
|
i2c_master_write_byte(cmd, (i2c_addr << 1) | I2C_MASTER_READ, I2C_MASTER_NACK);
|
||||||
}
|
}
|
||||||
|
|
||||||
i2c_master_read(cmd, (uint8_t*) &data, 2, I2C_MASTER_NACK);
|
if (word) {
|
||||||
|
i2c_master_read_byte(cmd, data, I2C_MASTER_ACK);
|
||||||
|
i2c_master_read_byte(cmd, data + 1, I2C_MASTER_NACK);
|
||||||
|
} else {
|
||||||
|
i2c_master_read_byte(cmd, data, I2C_MASTER_NACK);
|
||||||
|
}
|
||||||
|
|
||||||
i2c_master_stop(cmd);
|
i2c_master_stop(cmd);
|
||||||
esp_err_t ret = i2c_master_cmd_begin(i2c_port, cmd, 100 / portTICK_RATE_MS);
|
esp_err_t ret = i2c_master_cmd_begin(i2c_port, cmd, 100 / portTICK_RATE_MS);
|
||||||
@@ -545,7 +574,7 @@ static uint16_t i2c_read_word(uint8_t i2c_port, uint8_t i2c_addr, uint8_t reg) {
|
|||||||
ESP_LOGW(TAG, "I2C read failed");
|
ESP_LOGW(TAG, "I2C read failed");
|
||||||
}
|
}
|
||||||
|
|
||||||
return data;
|
return *(uint16_t*) data;
|
||||||
}
|
}
|
||||||
|
|
||||||
/****************************************************************************************
|
/****************************************************************************************
|
||||||
|
|||||||
@@ -29,28 +29,30 @@ typedef struct {
|
|||||||
} phy;
|
} phy;
|
||||||
} gpio_exp_config_t;
|
} gpio_exp_config_t;
|
||||||
|
|
||||||
typedef void (*gpio_exp_enumerator)(int gpio, int level, struct gpio_exp_s *expander);
|
|
||||||
typedef BaseType_t (*gpio_exp_isr)(void *arg);
|
|
||||||
|
|
||||||
// set <intr> to -1 and <queue> to NULL if there is no interrupt
|
// set <intr> to -1 and <queue> to NULL if there is no interrupt
|
||||||
struct gpio_exp_s* gpio_exp_create(const gpio_exp_config_t *config);
|
struct gpio_exp_s* gpio_exp_create(const gpio_exp_config_t *config);
|
||||||
bool gpio_exp_add_isr(gpio_exp_isr isr, void *arg, struct gpio_exp_s *expander);
|
uint32_t gpio_exp_get_base(struct gpio_exp_s *expander);
|
||||||
uint32_t gpio_exp_get_base(struct gpio_exp_s *expander);
|
struct gpio_exp_s* gpio_exp_get_expander(int gpio);
|
||||||
struct gpio_exp_s* gpio_exp_get_expander(int gpio);
|
#define gpio_is_expanded(gpio) (gpio < GPIO_NUM_MAX)
|
||||||
|
|
||||||
/* For all functions below when <expander> is provided, GPIO's can be numbered from 0. If <expander>
|
/*
|
||||||
is NULL, then GPIO must start from base */
|
For all functions below when <expander> is provided, GPIO's can be numbered from 0. If <expander>
|
||||||
|
is NULL, then GPIO must start from base OR be on-chip
|
||||||
|
*/
|
||||||
esp_err_t gpio_exp_set_direction(int gpio, gpio_mode_t mode, struct gpio_exp_s *expander);
|
esp_err_t gpio_exp_set_direction(int gpio, gpio_mode_t mode, struct gpio_exp_s *expander);
|
||||||
esp_err_t gpio_exp_set_pull_mode(int gpio, gpio_pull_mode_t mode, struct gpio_exp_s *expander);
|
esp_err_t gpio_exp_set_pull_mode(int gpio, gpio_pull_mode_t mode, struct gpio_exp_s *expander);
|
||||||
int gpio_exp_get_level(int gpio, uint32_t age, struct gpio_exp_s *expander);
|
int gpio_exp_get_level(int gpio, int age, struct gpio_exp_s *expander);
|
||||||
esp_err_t gpio_exp_set_level(int gpio, int level, bool direct, struct gpio_exp_s *expander);
|
esp_err_t gpio_exp_set_level(int gpio, int level, bool direct, struct gpio_exp_s *expander);
|
||||||
|
esp_err_t gpio_exp_isr_handler_add(int gpio, gpio_isr_t isr, uint32_t debounce, void *arg, struct gpio_exp_s *expander);
|
||||||
|
esp_err_t gpio_exp_isr_handler_remove(int gpio, struct gpio_exp_s *expander);
|
||||||
|
|
||||||
/* This can be called to enumerate modified GPIO since last read. Note that <enumerator>
|
// unified function to use either built-in or expanded GPIO
|
||||||
can be NULL to initialize all GPIOs */
|
esp_err_t gpio_set_direction_x(int gpio, gpio_mode_t mode);
|
||||||
void gpio_exp_enumerate(gpio_exp_enumerator enumerator, struct gpio_exp_s *expander);
|
esp_err_t gpio_set_pull_mode_x(int gpio, gpio_pull_mode_t mode);
|
||||||
|
int gpio_get_level_x(int gpio);
|
||||||
// option to use either built-in or expanded GPIO
|
esp_err_t gpio_set_level_x(int gpio, int level);
|
||||||
esp_err_t gpio_set_direction_u(int gpio, gpio_mode_t mode);
|
esp_err_t gpio_isr_handler_add_x(int gpio, gpio_isr_t isr_handler, void* args);
|
||||||
esp_err_t gpio_set_pull_mode_u(int gpio, gpio_pull_mode_t mode);
|
esp_err_t gpio_isr_handler_remove_x(int gpio);
|
||||||
int gpio_get_level_u(int gpio);
|
#define gpio_set_intr_type_x(gpio, type) do { if (gpio < GPIO_NUM_MAX) gpio_set_intr_type(gpio, type); } while (0)
|
||||||
esp_err_t gpio_set_level_u(int gpio, int level);
|
#define gpio_intr_enable_x(gpio) do { if (gpio < GPIO_NUM_MAX) gpio_intr_enable(gpio); } while (0)
|
||||||
|
#define gpio_pad_select_gpio_x(gpio) do { if (gpio < GPIO_NUM_MAX) gpio_pad_select_gpio(gpio); } while (0)
|
||||||
|
|||||||
@@ -55,7 +55,7 @@ static int led_max = 2;
|
|||||||
*
|
*
|
||||||
*/
|
*/
|
||||||
static void set_level(struct led_s *led, bool on) {
|
static void set_level(struct led_s *led, bool on) {
|
||||||
if (led->pwm < 0 || led->gpio >= GPIO_NUM_MAX) gpio_set_level_u(led->gpio, on ? led->onstate : !led->onstate);
|
if (led->pwm < 0 || led->gpio >= GPIO_NUM_MAX) gpio_set_level_x(led->gpio, on ? led->onstate : !led->onstate);
|
||||||
else {
|
else {
|
||||||
ledc_set_duty(LEDC_HIGH_SPEED_MODE, led->channel, on ? led->pwm : (led->onstate ? 0 : pwm_system.max));
|
ledc_set_duty(LEDC_HIGH_SPEED_MODE, led->channel, on ? led->pwm : (led->onstate ? 0 : pwm_system.max));
|
||||||
ledc_update_duty(LEDC_HIGH_SPEED_MODE, led->channel);
|
ledc_update_duty(LEDC_HIGH_SPEED_MODE, led->channel);
|
||||||
@@ -182,8 +182,8 @@ bool led_config(int idx, gpio_num_t gpio, int onstate, int pwm) {
|
|||||||
leds[idx].pwm = -1;
|
leds[idx].pwm = -1;
|
||||||
|
|
||||||
if (pwm < 0 || gpio >= GPIO_NUM_MAX) {
|
if (pwm < 0 || gpio >= GPIO_NUM_MAX) {
|
||||||
if (gpio < GPIO_NUM_MAX) gpio_pad_select_gpio(gpio);
|
gpio_pad_select_gpio_x(gpio);
|
||||||
gpio_set_direction_u(gpio, GPIO_MODE_OUTPUT);
|
gpio_set_direction_x(gpio, GPIO_MODE_OUTPUT);
|
||||||
} else {
|
} else {
|
||||||
leds[idx].channel = pwm_system.base_channel++;
|
leds[idx].channel = pwm_system.base_channel++;
|
||||||
leds[idx].pwm = pwm_system.max * powf(pwm / 100.0, 3);
|
leds[idx].pwm = pwm_system.max * powf(pwm / 100.0, 3);
|
||||||
|
|||||||
@@ -91,6 +91,7 @@
|
|||||||
|
|
||||||
#include "esp_log.h"
|
#include "esp_log.h"
|
||||||
#include "driver/gpio.h"
|
#include "driver/gpio.h"
|
||||||
|
#include "gpio_exp.h"
|
||||||
|
|
||||||
#define TAG "rotary_encoder"
|
#define TAG "rotary_encoder"
|
||||||
|
|
||||||
@@ -148,7 +149,7 @@ static uint8_t _process(rotary_encoder_info_t * info)
|
|||||||
if (info != NULL)
|
if (info != NULL)
|
||||||
{
|
{
|
||||||
// Get state of input pins.
|
// Get state of input pins.
|
||||||
uint8_t pin_state = (gpio_get_level(info->pin_b) << 1) | gpio_get_level(info->pin_a);
|
uint8_t pin_state = (gpio_get_level_x(info->pin_b) << 1) | gpio_get_level_x(info->pin_a);
|
||||||
|
|
||||||
// Determine new state from the pins and state table.
|
// Determine new state from the pins and state table.
|
||||||
#ifdef ROTARY_ENCODER_DEBUG
|
#ifdef ROTARY_ENCODER_DEBUG
|
||||||
@@ -198,12 +199,18 @@ static void _isr_rotenc(void * args)
|
|||||||
.direction = info->state.direction,
|
.direction = info->state.direction,
|
||||||
},
|
},
|
||||||
};
|
};
|
||||||
BaseType_t task_woken = pdFALSE;
|
if (info->pin_a < GPIO_NUM_MAX) {
|
||||||
xQueueOverwriteFromISR(info->queue, &queue_event, &task_woken);
|
BaseType_t task_woken = pdFALSE;
|
||||||
if (task_woken)
|
xQueueOverwriteFromISR(info->queue, &queue_event, &task_woken);
|
||||||
{
|
if (task_woken)
|
||||||
portYIELD_FROM_ISR();
|
{
|
||||||
}
|
portYIELD_FROM_ISR();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
xQueueOverwrite(info->queue, &queue_event);
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
@@ -220,19 +227,19 @@ esp_err_t rotary_encoder_init(rotary_encoder_info_t * info, gpio_num_t pin_a, gp
|
|||||||
info->state.direction = ROTARY_ENCODER_DIRECTION_NOT_SET;
|
info->state.direction = ROTARY_ENCODER_DIRECTION_NOT_SET;
|
||||||
|
|
||||||
// configure GPIOs
|
// configure GPIOs
|
||||||
gpio_pad_select_gpio(info->pin_a);
|
gpio_pad_select_gpio_x(info->pin_a);
|
||||||
gpio_set_pull_mode(info->pin_a, GPIO_PULLUP_ONLY);
|
gpio_set_pull_mode_x(info->pin_a, GPIO_PULLUP_ONLY);
|
||||||
gpio_set_direction(info->pin_a, GPIO_MODE_INPUT);
|
gpio_set_direction_x(info->pin_a, GPIO_MODE_INPUT);
|
||||||
gpio_set_intr_type(info->pin_a, GPIO_INTR_ANYEDGE);
|
gpio_set_intr_type_x(info->pin_a, GPIO_INTR_ANYEDGE);
|
||||||
|
|
||||||
gpio_pad_select_gpio(info->pin_b);
|
gpio_pad_select_gpio_x(info->pin_b);
|
||||||
gpio_set_pull_mode(info->pin_b, GPIO_PULLUP_ONLY);
|
gpio_set_pull_mode_x(info->pin_b, GPIO_PULLUP_ONLY);
|
||||||
gpio_set_direction(info->pin_b, GPIO_MODE_INPUT);
|
gpio_set_direction_x(info->pin_b, GPIO_MODE_INPUT);
|
||||||
gpio_set_intr_type(info->pin_b, GPIO_INTR_ANYEDGE);
|
gpio_set_intr_type_x(info->pin_b, GPIO_INTR_ANYEDGE);
|
||||||
|
|
||||||
// install interrupt handlers
|
// install interrupt handlers
|
||||||
gpio_isr_handler_add(info->pin_a, _isr_rotenc, info);
|
gpio_isr_handler_add_x(info->pin_a, _isr_rotenc, info);
|
||||||
gpio_isr_handler_add(info->pin_b, _isr_rotenc, info);
|
gpio_isr_handler_add_x(info->pin_b, _isr_rotenc, info);
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
@@ -280,8 +287,8 @@ esp_err_t rotary_encoder_uninit(rotary_encoder_info_t * info)
|
|||||||
esp_err_t err = ESP_OK;
|
esp_err_t err = ESP_OK;
|
||||||
if (info)
|
if (info)
|
||||||
{
|
{
|
||||||
gpio_isr_handler_remove(info->pin_a);
|
gpio_isr_handler_remove_x(info->pin_a);
|
||||||
gpio_isr_handler_remove(info->pin_b);
|
gpio_isr_handler_remove_x(info->pin_b);
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
|
|||||||
@@ -43,13 +43,13 @@ void set_power_gpio(int gpio, char *value) {
|
|||||||
bool parsed = true;
|
bool parsed = true;
|
||||||
|
|
||||||
if (!strcasecmp(value, "vcc") ) {
|
if (!strcasecmp(value, "vcc") ) {
|
||||||
if (gpio < GPIO_NUM_MAX) gpio_pad_select_gpio(gpio);
|
gpio_pad_select_gpio_x(gpio);
|
||||||
gpio_set_direction_u(gpio, GPIO_MODE_OUTPUT);
|
gpio_set_direction_x(gpio, GPIO_MODE_OUTPUT);
|
||||||
gpio_set_level_u(gpio, 1);
|
gpio_set_level_x(gpio, 1);
|
||||||
} else if (!strcasecmp(value, "gnd")) {
|
} else if (!strcasecmp(value, "gnd")) {
|
||||||
if (gpio < GPIO_NUM_MAX) gpio_pad_select_gpio(gpio);
|
gpio_pad_select_gpio_x(gpio);
|
||||||
gpio_set_direction_u(gpio, GPIO_MODE_OUTPUT);
|
gpio_set_direction_x(gpio, GPIO_MODE_OUTPUT);
|
||||||
gpio_set_level_u(gpio, 0);
|
gpio_set_level_x(gpio, 0);
|
||||||
} else parsed = false;
|
} else parsed = false;
|
||||||
|
|
||||||
if (parsed) ESP_LOGI(TAG, "set GPIO %u to %s", gpio, value);
|
if (parsed) ESP_LOGI(TAG, "set GPIO %u to %s", gpio, value);
|
||||||
|
|||||||
@@ -132,10 +132,10 @@ static bool handler(u8_t *data, int len){
|
|||||||
|
|
||||||
if (jack_mutes_amp && jack_inserted_svc()) {
|
if (jack_mutes_amp && jack_inserted_svc()) {
|
||||||
adac->speaker(false);
|
adac->speaker(false);
|
||||||
if (amp_control.gpio != -1) gpio_set_level_u(amp_control.gpio, !amp_control.active);
|
if (amp_control.gpio != -1) gpio_set_level_x(amp_control.gpio, !amp_control.active);
|
||||||
} else {
|
} else {
|
||||||
adac->speaker(true);
|
adac->speaker(true);
|
||||||
if (amp_control.gpio != -1) gpio_set_level_u(amp_control.gpio, amp_control.active);
|
if (amp_control.gpio != -1) gpio_set_level_x(amp_control.gpio, amp_control.active);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
@@ -158,7 +158,7 @@ static void jack_handler(bool inserted) {
|
|||||||
if (jack_mutes_amp) {
|
if (jack_mutes_amp) {
|
||||||
LOG_INFO("switching amplifier %s", inserted ? "OFF" : "ON");
|
LOG_INFO("switching amplifier %s", inserted ? "OFF" : "ON");
|
||||||
adac->speaker(!inserted);
|
adac->speaker(!inserted);
|
||||||
if (amp_control.gpio != -1) gpio_set_level_u(amp_control.gpio, inserted ? !amp_control.active : amp_control.active);
|
if (amp_control.gpio != -1) gpio_set_level_x(amp_control.gpio, inserted ? !amp_control.active : amp_control.active);
|
||||||
}
|
}
|
||||||
|
|
||||||
// activate headset
|
// activate headset
|
||||||
@@ -178,9 +178,9 @@ static void set_amp_gpio(int gpio, char *value) {
|
|||||||
amp_control.gpio = gpio;
|
amp_control.gpio = gpio;
|
||||||
if ((p = strchr(value, ':')) != NULL) amp_control.active = atoi(p + 1);
|
if ((p = strchr(value, ':')) != NULL) amp_control.active = atoi(p + 1);
|
||||||
|
|
||||||
if (amp_control.gpio < GPIO_NUM_MAX) gpio_pad_select_gpio(amp_control.gpio);
|
gpio_pad_select_gpio_x(amp_control.gpio);
|
||||||
gpio_set_direction_u(amp_control.gpio, GPIO_MODE_OUTPUT);
|
gpio_set_direction_x(amp_control.gpio, GPIO_MODE_OUTPUT);
|
||||||
gpio_set_level_u(amp_control.gpio, !amp_control.active);
|
gpio_set_level_x(amp_control.gpio, !amp_control.active);
|
||||||
|
|
||||||
LOG_INFO("setting amplifier GPIO %d (active:%d)", amp_control.gpio, amp_control.active);
|
LOG_INFO("setting amplifier GPIO %d (active:%d)", amp_control.gpio, amp_control.active);
|
||||||
}
|
}
|
||||||
@@ -456,14 +456,14 @@ static void output_thread_i2s(void *arg) {
|
|||||||
LOG_INFO("Output state is %d", output.state);
|
LOG_INFO("Output state is %d", output.state);
|
||||||
if (output.state == OUTPUT_OFF) {
|
if (output.state == OUTPUT_OFF) {
|
||||||
led_blink(LED_GREEN, 100, 2500);
|
led_blink(LED_GREEN, 100, 2500);
|
||||||
if (amp_control.gpio != -1) gpio_set_level_u(amp_control.gpio, !amp_control.active);
|
if (amp_control.gpio != -1) gpio_set_level_x(amp_control.gpio, !amp_control.active);
|
||||||
LOG_INFO("switching off amp GPIO %d", amp_control.gpio);
|
LOG_INFO("switching off amp GPIO %d", amp_control.gpio);
|
||||||
} else if (output.state == OUTPUT_STOPPED) {
|
} else if (output.state == OUTPUT_STOPPED) {
|
||||||
adac->speaker(false);
|
adac->speaker(false);
|
||||||
led_blink(LED_GREEN, 200, 1000);
|
led_blink(LED_GREEN, 200, 1000);
|
||||||
} else if (output.state == OUTPUT_RUNNING) {
|
} else if (output.state == OUTPUT_RUNNING) {
|
||||||
if (!jack_mutes_amp || !jack_inserted_svc()) {
|
if (!jack_mutes_amp || !jack_inserted_svc()) {
|
||||||
if (amp_control.gpio != -1) gpio_set_level_u(amp_control.gpio, amp_control.active);
|
if (amp_control.gpio != -1) gpio_set_level_x(amp_control.gpio, amp_control.active);
|
||||||
adac->speaker(true);
|
adac->speaker(true);
|
||||||
}
|
}
|
||||||
led_on(LED_GREEN);
|
led_on(LED_GREEN);
|
||||||
@@ -494,6 +494,19 @@ static void output_thread_i2s(void *arg) {
|
|||||||
// oframes must be a global updated by the write callback
|
// oframes must be a global updated by the write callback
|
||||||
output.frames_in_process = oframes;
|
output.frames_in_process = oframes;
|
||||||
|
|
||||||
|
/*
|
||||||
|
{
|
||||||
|
ISAMPLE_T *ptr = (ISAMPLE_T*) obuf;
|
||||||
|
for (int i = 0; i < oframes; i++) {
|
||||||
|
*ptr++ = 0; // L
|
||||||
|
#if BYTES_PER_FRAME == 8
|
||||||
|
*ptr++ = rand() >> 4; // R
|
||||||
|
#else
|
||||||
|
*ptr++ = (rand() % 65536) >> 4; // R
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
}
|
||||||
|
*/
|
||||||
SET_MIN_MAX_SIZED(oframes,rec,iframes);
|
SET_MIN_MAX_SIZED(oframes,rec,iframes);
|
||||||
SET_MIN_MAX_SIZED(_buf_used(outputbuf),o,outputbuf->size);
|
SET_MIN_MAX_SIZED(_buf_used(outputbuf),o,outputbuf->size);
|
||||||
SET_MIN_MAX_SIZED(_buf_used(streambuf),s,streambuf->size);
|
SET_MIN_MAX_SIZED(_buf_used(streambuf),s,streambuf->size);
|
||||||
|
|||||||
Reference in New Issue
Block a user