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26 results

init.gdb

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  • Forked from card10 / firmware
    Source project has a limited visibility.
    espan.c 2.42 KiB
    #include "badge23/captouch.h"
    #include "badge23/audio.h"
    #include "badge23/leds.h"
    #include "badge23/display.h"
    #include "badge23/spio.h"
    #include "badge23_hwconfig.h"
    
    #include "esp_log.h"
    #include "driver/i2c.h"
    #include "driver/spi_master.h"
    #include <freertos/timers.h>
    
    #include <stdio.h>
    #include <string.h>
    #include <math.h>
    #include <stdint.h>
    
    static const char *TAG = "espan";
    
    #define I2C_MASTER_NUM              0                          /*!< I2C master i2c port number, the number of i2c peripheral interfaces available will depend on the chip */
    #define I2C_MASTER_FREQ_HZ          400000                     /*!< I2C master clock frequency */
    #define I2C_MASTER_TX_BUF_DISABLE   0                          /*!< I2C master doesn't need buffer */
    #define I2C_MASTER_RX_BUF_DISABLE   0                          /*!< I2C master doesn't need buffer */
    
    #if defined(CONFIG_BADGE23_HW_GEN_P3) || defined(CONFIG_BADGE23_HW_GEN_P4)
    #define CONFIG_I2C_MASTER_SDA 2
    #define CONFIG_I2C_MASTER_SCL 1
    
    #elif defined(CONFIG_BADGE23_HW_GEN_P1)
    #define CONFIG_I2C_MASTER_SDA 10
    #define CONFIG_I2C_MASTER_SCL 9
    
    #else
    #error "i2c not implemented for this badge generation"
    #endif
    
    static esp_err_t i2c_master_init(void)
    {
        int i2c_master_port = I2C_MASTER_NUM;
    
        i2c_config_t conf = {
            .mode = I2C_MODE_MASTER,
            .sda_io_num = CONFIG_I2C_MASTER_SDA,
            .scl_io_num = CONFIG_I2C_MASTER_SCL,
            .sda_pullup_en = GPIO_PULLUP_ENABLE,
            .scl_pullup_en = GPIO_PULLUP_ENABLE,
            .master.clk_speed = I2C_MASTER_FREQ_HZ,
        };
    
        i2c_param_config(i2c_master_port, &conf);
    
        return i2c_driver_install(i2c_master_port, conf.mode, I2C_MASTER_RX_BUF_DISABLE, I2C_MASTER_TX_BUF_DISABLE, 0);
    }
    
    #define CAPTOUCH_POLLING_PERIOD 23
    static uint8_t hw_init_done = 0;
    
    void i2c_task(TimerHandle_t data){
        update_button_state();
        captouch_read_cycle();
    }
    
    void os_app_main(void)
    {
        ESP_LOGI(TAG, "Starting on %s...", badge23_hw_name);
        ESP_ERROR_CHECK(i2c_master_init());
        ESP_LOGI(TAG, "I2C initialized successfully");
    
        set_global_vol_dB(-90);
        audio_init();
        leds_init();
        init_buttons();
        captouch_init();
        display_init();
    
        TimerHandle_t i2c = xTimerCreate("I2C task", pdMS_TO_TICKS(CAPTOUCH_POLLING_PERIOD), pdTRUE, (void *) 0, *i2c_task);
        if( xTimerStart(i2c, 0 ) != pdPASS) ESP_LOGI(TAG, "I2C task initialization failed");
        hw_init_done = 1;
    }
    
    uint8_t hardware_is_initialized(){
        return hw_init_done;
    }