comparison: main/u8g2_esp32_hal.c
main/u8g2_esp32_hal.c
- changeset 55
- 43362bb8f3c0
- parent 39
- c3fcc599a119
- child 56
- 8c88a3d8ecf2
equal
deleted
inserted
replaced
| 54:3b1834482899 | 55:43362bb8f3c0 |
|---|---|
| 8 #include "freertos/task.h" | 8 #include "freertos/task.h" |
| 9 | 9 |
| 10 #include "u8g2_esp32_hal.h" | 10 #include "u8g2_esp32_hal.h" |
| 11 | 11 |
| 12 static const char *TAG = "u8g2_hal"; | 12 static const char *TAG = "u8g2_hal"; |
| 13 static const unsigned int I2C_TIMEOUT_MS = 5000; | 13 static const unsigned int I2C_TIMEOUT_MS = 1000; |
| 14 | 14 |
| 15 static spi_device_handle_t handle_spi; // SPI handle. | 15 static spi_device_handle_t handle_spi; // SPI handle. |
| 16 static i2c_cmd_handle_t handle_i2c; // I2C handle. | 16 static i2c_cmd_handle_t handle_i2c; // I2C handle. |
| 17 static u8g2_esp32_hal_t u8g2_esp32_hal; // HAL state data. | 17 static u8g2_esp32_hal_t u8g2_esp32_hal; // HAL state data. |
| 18 static bool initialized = false; | |
| 18 | 19 |
| 19 #undef ESP_ERROR_CHECK | 20 #undef ESP_ERROR_CHECK |
| 20 #define ESP_ERROR_CHECK(x) do { esp_err_t rc = (x); if (rc != ESP_OK) { ESP_LOGE("err", "esp_err_t = %d", rc); assert(0 && #x);} } while(0); | 21 #define ESP_ERROR_CHECK(x) do { esp_err_t rc = (x); if (rc != ESP_OK) { ESP_LOGE("err", "esp_err_t = %d", rc); assert(0 && #x);} } while(0); |
| 21 | 22 |
| 22 /* | 23 /* |
| 109 break; | 110 break; |
| 110 } | 111 } |
| 111 | 112 |
| 112 case U8X8_MSG_BYTE_INIT: { | 113 case U8X8_MSG_BYTE_INIT: { |
| 113 if (u8g2_esp32_hal.sda == U8G2_ESP32_HAL_UNDEFINED || | 114 if (u8g2_esp32_hal.sda == U8G2_ESP32_HAL_UNDEFINED || |
| 114 u8g2_esp32_hal.scl == U8G2_ESP32_HAL_UNDEFINED) { | 115 u8g2_esp32_hal.scl == U8G2_ESP32_HAL_UNDEFINED || initialized) { // here i test if already initialized, if it's the case don't do it again! |
| 115 break; | 116 break; |
| 116 } | 117 } |
| 117 | 118 |
| 118 i2c_config_t conf; | 119 i2c_config_t conf; |
| 119 conf.mode = I2C_MODE_MASTER; | 120 conf.mode = I2C_MODE_MASTER; |
| 121 ESP_LOGI(TAG, "sda_io_num %d", u8g2_esp32_hal.sda); | |
| 120 conf.sda_io_num = u8g2_esp32_hal.sda; | 122 conf.sda_io_num = u8g2_esp32_hal.sda; |
| 121 conf.sda_pullup_en = GPIO_PULLUP_ENABLE; | 123 conf.sda_pullup_en = GPIO_PULLUP_ENABLE; |
| 124 ESP_LOGI(TAG, "scl_io_num %d", u8g2_esp32_hal.scl); | |
| 122 conf.scl_io_num = u8g2_esp32_hal.scl; | 125 conf.scl_io_num = u8g2_esp32_hal.scl; |
| 123 conf.scl_pullup_en = GPIO_PULLUP_ENABLE; | 126 conf.scl_pullup_en = GPIO_PULLUP_ENABLE; |
| 127 ESP_LOGI(TAG, "clk_speed %d", I2C_MASTER_FREQ_HZ); | |
| 124 conf.master.clk_speed = I2C_MASTER_FREQ_HZ; | 128 conf.master.clk_speed = I2C_MASTER_FREQ_HZ; |
| 129 ESP_LOGI(TAG, "i2c_param_config %d", conf.mode); | |
| 125 ESP_ERROR_CHECK(i2c_param_config(I2C_MASTER_NUM, &conf)); | 130 ESP_ERROR_CHECK(i2c_param_config(I2C_MASTER_NUM, &conf)); |
| 131 ESP_LOGI(TAG, "i2c_driver_install %d", I2C_MASTER_NUM); | |
| 126 ESP_LOGI(TAG, "I2C gpio_sda: %d gpio_scl: %d clk_speed: %d master_num: %d", | 132 ESP_LOGI(TAG, "I2C gpio_sda: %d gpio_scl: %d clk_speed: %d master_num: %d", |
| 127 u8g2_esp32_hal.sda, u8g2_esp32_hal.scl, I2C_MASTER_FREQ_HZ, I2C_MASTER_NUM); | 133 u8g2_esp32_hal.sda, u8g2_esp32_hal.scl, I2C_MASTER_FREQ_HZ, I2C_MASTER_NUM); |
| 128 ESP_ERROR_CHECK(i2c_driver_install(I2C_MASTER_NUM, conf.mode, I2C_MASTER_RX_BUF_DISABLE, I2C_MASTER_TX_BUF_DISABLE, 0)); | 134 ESP_ERROR_CHECK(i2c_driver_install(I2C_MASTER_NUM, conf.mode, I2C_MASTER_RX_BUF_DISABLE, I2C_MASTER_TX_BUF_DISABLE, 0)); |
| 135 initialized=true; | |
| 129 break; | 136 break; |
| 130 } | 137 } |
| 131 | 138 |
| 132 case U8X8_MSG_BYTE_SEND: { | 139 case U8X8_MSG_BYTE_SEND: { |
| 133 uint8_t* data_ptr = (uint8_t*)arg_ptr; | 140 uint8_t* data_ptr = (uint8_t*)arg_ptr; |
