Dreaded_X/car-stereo
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Play/pause using the forward button on the steering wheel

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This commit is contained in:
Dreaded_X 2022-06-13 17:37:38 +02:00
parent 0a24f70cc3
commit 560e3c191f
Signed by: Dreaded_X
GPG Key ID: 76BDEC4E165D8AD9
2 changed files with 59 additions and 14 deletions
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49
software/main/src/can.cpp
View File

@ -1,6 +1,7 @@
#include <cstdint>
#include <string.h>
#include "esp_avrc_api.h"
#include "esp_timer.h"
#include "freertos/FreeRTOS.h"
#include "freertos/portmacro.h"
@ -459,31 +460,51 @@ static void read_message(spi_device_handle_t spi) {
ESP_LOGI(CAN_TAG, "Received: id=%lu, ext=%i, rtr_bit=%i, len=%i", id, ext, rtr_bit, len);
/* if (ext || rtr_bit) { */
/* // We do not really care about these messages at all, so just return */
/* return; */
/* } */
// @TODO Implement the length check in a more elegant manner
switch (id) {
case BUTTONS_ID:
if (len == sizeof(can::Buttons)) {
print_buttons(*(can::Buttons*)buf);
} else {
ESP_LOGE(CAN_TAG, "Size mismatch... (Buttons)");
}
print_buttons(*(can::Buttons*)buf);
break;
/* case RADIO_ID: */
/* print_radio(*(can::Radio*)buf); */
/* break; */
case RADIO_ID:
print_radio(*(can::Radio*)buf);
break;
default:
break;
}
if (id == BUTTONS_ID) {
static can::Buttons previous;
can::Buttons buttons = *(can::Buttons*)buf;
// @TODO Print the buf data
if (previous.forward != buttons.forward && buttons.forward) {
// @TODO Get this from the actual device instead of assuming that on startup it is falce
static bool play_status = false;
play_status = !play_status;
ESP_LOGI(CAN_TAG, "Play button has been pressed");
if (play_status) {
ESP_LOGI(CAN_TAG, "Playing");
// @TODO Abstract this away so that we are not directly interfacing with AVRC things
esp_err_t ret = esp_avrc_ct_send_passthrough_cmd(0, ESP_AVRC_PT_CMD_PLAY, ESP_AVRC_PT_CMD_STATE_PRESSED);
ESP_ERROR_CHECK(ret);
ret = esp_avrc_ct_send_passthrough_cmd(1, ESP_AVRC_PT_CMD_PLAY, ESP_AVRC_PT_CMD_STATE_RELEASED);
ESP_ERROR_CHECK(ret);
} else {
ESP_LOGI(CAN_TAG, "Pausing");
esp_err_t ret = esp_avrc_ct_send_passthrough_cmd(0, ESP_AVRC_PT_CMD_PAUSE, ESP_AVRC_PT_CMD_STATE_PRESSED);
ESP_ERROR_CHECK(ret);
ret = esp_avrc_ct_send_passthrough_cmd(1, ESP_AVRC_PT_CMD_PAUSE, ESP_AVRC_PT_CMD_STATE_RELEASED);
ESP_ERROR_CHECK(ret);
}
}
previous = buttons;
}
}
static void id_to_buf(const uint8_t ext, const unsigned long id, uint8_t* buf) {

24
software/main/src/main.cpp
View File

@ -1,7 +1,9 @@
#include "esp_avrc_api.h"
#include "esp_log.h"
#include "esp_system.h"
#include "freertos/portmacro.h"
#include "storage.h"
#include "i2s.h"
#include "bluetooth.h"
@ -14,6 +16,26 @@
#define APP_TAG "APP"
void play_task(void*) {
for (;;) {
esp_err_t ret = esp_avrc_ct_send_passthrough_cmd(0, ESP_AVRC_PT_CMD_PAUSE, ESP_AVRC_PT_CMD_STATE_PRESSED);
ESP_ERROR_CHECK(ret);
ret = esp_avrc_ct_send_passthrough_cmd(1, ESP_AVRC_PT_CMD_PAUSE, ESP_AVRC_PT_CMD_STATE_RELEASED);
ESP_ERROR_CHECK(ret);
vTaskDelay(2000 / portTICK_PERIOD_MS);
ret = esp_avrc_ct_send_passthrough_cmd(0, ESP_AVRC_PT_CMD_PLAY, ESP_AVRC_PT_CMD_STATE_PRESSED);
ESP_ERROR_CHECK(ret);
ret = esp_avrc_ct_send_passthrough_cmd(1, ESP_AVRC_PT_CMD_PLAY, ESP_AVRC_PT_CMD_STATE_RELEASED);
ESP_ERROR_CHECK(ret);
vTaskDelay(2000 / portTICK_PERIOD_MS);
}
}
extern "C" void app_main() {
ESP_LOGI(APP_TAG, "Starting Car Stereo");
ESP_LOGI(APP_TAG, "Available Heap: %u", esp_get_free_heap_size());
@ -27,6 +49,8 @@ extern "C" void app_main() {
a2dp::connect_to_last();
/* xTaskCreate(play_task, "Play task", 2048, nullptr, 0, nullptr); */
can::init();
/* uint8_t button_buffer[3] = { 0b01000110, 22, 0x00 }; */