Fork of Tangara with customizations
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tangara-fw/main/gay-ipod-fw.cpp

151 lines
3.8 KiB

#include <dirent.h>
#include <stdio.h>
#include <cstdint>
#include <memory>
#include "audio_common.h"
#include "audio_element.h"
#include "audio_pipeline.h"
#include "battery.h"
#include "dac.h"
#include "driver/adc.h"
#include "driver/gpio.h"
#include "driver/i2c.h"
#include "driver/i2s.h"
#include "driver/sdspi_host.h"
#include "driver/spi_common.h"
#include "driver/spi_master.h"
#include "esp_adc_cal.h"
#include "esp_intr_alloc.h"
#include "esp_log.h"
#include "fatfs_stream.h"
#include "gpio-expander.h"
#include "hal/adc_types.h"
#include "hal/gpio_types.h"
#include "hal/i2s_types.h"
#include "hal/spi_types.h"
#include "i2s_stream.h"
#include "mp3_decoder.h"
#include "playback.h"
#include "storage.h"
#define I2C_SDA_IO (GPIO_NUM_2)
#define I2C_SCL_IO (GPIO_NUM_4)
#define I2C_CLOCK_HZ (400000)
#define SPI_SDI_IO (GPIO_NUM_19)
#define SPI_SDO_IO (GPIO_NUM_23)
#define SPI_SCLK_IO (GPIO_NUM_18)
#define SPI_QUADWP_IO (GPIO_NUM_22)
#define SPI_QUADHD_IO (GPIO_NUM_21)
#define I2S_SCK_IO (GPIO_NUM_25)
#define I2S_BCK_IO (GPIO_NUM_26)
#define I2S_LRCK_IO (GPIO_NUM_27)
#define I2S_DIN_IO (GPIO_NUM_5)
static const char* TAG = "MAIN";
esp_err_t init_i2c(void) {
i2c_port_t port = I2C_NUM_0;
i2c_config_t config = {
.mode = I2C_MODE_MASTER,
.sda_io_num = I2C_SDA_IO,
.scl_io_num = I2C_SCL_IO,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.master =
{
.clk_speed = I2C_CLOCK_HZ,
},
// No requirements for the clock.
.clk_flags = 0,
};
ESP_ERROR_CHECK(i2c_param_config(port, &config));
ESP_ERROR_CHECK(i2c_driver_install(port, config.mode, 0, 0, 0));
// TODO: INT line
return ESP_OK;
}
esp_err_t init_spi(void) {
spi_bus_config_t config = {
.mosi_io_num = SPI_SDO_IO,
.miso_io_num = SPI_SDI_IO,
.sclk_io_num = SPI_SCLK_IO,
.quadwp_io_num = SPI_QUADWP_IO,
.quadhd_io_num = SPI_QUADHD_IO,
// Unused
.data4_io_num = -1,
.data5_io_num = -1,
.data6_io_num = -1,
.data7_io_num = -1,
// Use the DMA default size.
.max_transfer_sz = 0,
.flags = SPICOMMON_BUSFLAG_MASTER | SPICOMMON_BUSFLAG_IOMUX_PINS,
.intr_flags = 0,
};
ESP_ERROR_CHECK(spi_bus_initialize(VSPI_HOST, &config, SPI_DMA_CH_AUTO));
return ESP_OK;
}
extern "C" void app_main(void) {
ESP_LOGI(TAG, "Initialising peripherals");
ESP_ERROR_CHECK(gpio_install_isr_service(ESP_INTR_FLAG_LOWMED));
init_i2c();
init_spi();
ESP_LOGI(TAG, "Init GPIOs");
gay_ipod::GpioExpander expander;
// for debugging usb ic
// expander.set_sd_mux(gay_ipod::GpioExpander::USB);
ESP_LOGI(TAG, "Init ADC");
ESP_ERROR_CHECK(gay_ipod::init_adc());
ESP_LOGI(TAG, "Init SD card");
auto storage_res = gay_ipod::SdStorage::create(&expander);
if (storage_res.has_error()) {
ESP_LOGE(TAG, "Failed: %d", storage_res.error());
return;
}
std::unique_ptr<gay_ipod::SdStorage> storage = std::move(storage_res.value());
ESP_LOGI(TAG, "Init DAC");
auto dac_res = gay_ipod::AudioDac::create(&expander);
if (storage_res.has_error()) {
ESP_LOGE(TAG, "Failed: %d", dac_res.error());
return;
}
std::unique_ptr<gay_ipod::AudioDac> dac = std::move(dac_res.value());
ESP_LOGI(TAG, "Init Audio Pipeline");
auto playback_res = gay_ipod::DacAudioPlayback::create(dac.get());
if (playback_res.has_error()) {
ESP_LOGE(TAG, "Failed: %d", playback_res.error());
return;
}
std::unique_ptr<gay_ipod::DacAudioPlayback> playback =
std::move(playback_res.value());
ESP_LOGI(TAG, "Everything looks good! Waiting a mo for debugger.");
vTaskDelay(pdMS_TO_TICKS(1500));
playback->Play("/sdcard/test.mp3");
playback->set_volume(100);
playback->WaitForSongEnd();
ESP_LOGI(TAG, "Time to deinit.");
ESP_LOGI(TAG, "Hooray!");
}