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132 lines
3.1 KiB
132 lines
3.1 KiB
#include <stdio.h>
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#include <dirent.h>
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#include "battery.h"
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#include "driver/adc.h"
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#include "driver/gpio.h"
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#include "driver/i2c.h"
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#include "driver/sdspi_host.h"
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#include "driver/spi_common.h"
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#include "driver/spi_master.h"
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#include "esp_adc_cal.h"
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#include "esp_intr_alloc.h"
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#include "esp_log.h"
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#include "gpio-expander.h"
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#include "hal/adc_types.h"
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#include "hal/gpio_types.h"
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#include "hal/spi_types.h"
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#include "storage.h"
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#define I2C_SDA_IO (GPIO_NUM_0)
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#define I2C_SCL_IO (GPIO_NUM_4)
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#define I2C_CLOCK_HZ (400000)
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#define SPI_SDI_IO (GPIO_NUM_19)
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#define SPI_SDO_IO (GPIO_NUM_23)
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#define SPI_SCLK_IO (GPIO_NUM_18)
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#define SPI_QUADWP_IO (GPIO_NUM_22)
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#define SPI_QUADHD_IO (GPIO_NUM_21)
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#define I2S_SCK_IO (GPIO_NUM_25)
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#define I2S_BCK_IO (GPIO_NUM_26)
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#define I2S_LRCK_IO (GPIO_NUM_27)
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#define I2S_DIN_IO (GPIO_NUM_5)
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static const char* TAG = "MAIN";
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esp_err_t init_i2c(void) {
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i2c_port_t port = I2C_NUM_0;
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i2c_config_t config = {
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.mode = I2C_MODE_MASTER,
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.sda_io_num = I2C_SDA_IO,
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.scl_io_num = I2C_SCL_IO,
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.sda_pullup_en = GPIO_PULLUP_ENABLE,
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.scl_pullup_en = GPIO_PULLUP_ENABLE,
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.master = {
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.clk_speed = I2C_CLOCK_HZ,
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},
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// No requirements for the clock.
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.clk_flags = 0,
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};
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ESP_ERROR_CHECK(i2c_param_config(port, &config));
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ESP_ERROR_CHECK(i2c_driver_install(port, config.mode, 0, 0, 0));
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// TODO: INT line
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return ESP_OK;
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}
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esp_err_t init_spi(void) {
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spi_bus_config_t config = {
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.mosi_io_num = SPI_SDO_IO,
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.miso_io_num = SPI_SDI_IO,
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.sclk_io_num = SPI_SCLK_IO,
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.quadwp_io_num = SPI_QUADWP_IO,
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.quadhd_io_num = SPI_QUADHD_IO,
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// Unused
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.data4_io_num = -1,
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.data5_io_num = -1,
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.data6_io_num = -1,
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.data7_io_num = -1,
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// Use the DMA default size.
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.max_transfer_sz = 0,
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.flags = SPICOMMON_BUSFLAG_MASTER | SPICOMMON_BUSFLAG_IOMUX_PINS,
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.intr_flags = 0,
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};
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ESP_ERROR_CHECK(spi_bus_initialize(VSPI_HOST, &config, SPI_DMA_CH_AUTO));
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return ESP_OK;
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}
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extern "C" void app_main(void)
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{
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ESP_LOGI(TAG, "Initialising peripherals");
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ESP_ERROR_CHECK(gpio_install_isr_service(ESP_INTR_FLAG_LOWMED));
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init_i2c();
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init_spi();
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ESP_LOGI(TAG, "Setting default GPIO state");
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gay_ipod::GpioExpander expander;
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// for debugging usb ic
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//expander.set_sd_mux(gay_ipod::GpioExpander::USB);
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ESP_ERROR_CHECK(expander.Write());
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ESP_LOGI(TAG, "Init ADC");
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ESP_ERROR_CHECK(gay_ipod::init_adc());
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ESP_LOGI(TAG, "Everything looks good! Waiting a mo for debugger.");
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vTaskDelay(pdMS_TO_TICKS(2500));
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ESP_LOGI(TAG, "Trying to init SD card");
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gay_ipod::SdStorage storage(&expander);
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ESP_ERROR_CHECK(storage.Acquire());
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ESP_LOGI(TAG, "Looks okay? Let's list some files!");
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vTaskDelay(pdMS_TO_TICKS(1000));
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DIR *d;
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struct dirent *dir;
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d = opendir(gay_ipod::STORAGE_PATH);
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if (d) {
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while ((dir = readdir(d)) != NULL) {
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ESP_LOGI(TAG, "file! %s", dir->d_name);
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}
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closedir(d);
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} else {
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ESP_LOGI(TAG, "nope!");
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}
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vTaskDelay(pdMS_TO_TICKS(1000));
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ESP_LOGI(TAG, "Time to deinit.");
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ESP_ERROR_CHECK(storage.Release());
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ESP_LOGI(TAG, "Hooray!");
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vTaskDelay(pdMS_TO_TICKS(1000));
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}
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