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@ -9,12 +9,12 @@ |
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#include "u8g2_esp32_hal.h" |
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#include "u8g2_esp32_hal.h" |
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static const char *TAG = "u8g2_hal"; |
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static const char * TAG = "u8g2_hal"; |
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static const unsigned int I2C_TIMEOUT_MS = 1000; |
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static const unsigned int I2C_TIMEOUT_MS = 1000; |
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static spi_device_handle_t handle_spi; // SPI handle.
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static spi_device_handle_t handle_spi; // SPI handle.
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static i2c_cmd_handle_t handle_i2c; // I2C handle.
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static i2c_cmd_handle_t handle_i2c; // I2C handle.
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static u8g2_esp32_hal_t u8g2_esp32_hal; // HAL state data.
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static u8g2_esp32_hal_t u8g2_esp32_hal; // HAL state data.
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#undef ESP_ERROR_CHECK |
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#undef ESP_ERROR_CHECK |
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#define ESP_ERROR_CHECK(x) \ |
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#define ESP_ERROR_CHECK(x) \ |
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@ -54,28 +54,28 @@ uint8_t u8g2_esp32_spi_byte_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void |
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spi_bus_config_t bus_config; |
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spi_bus_config_t bus_config; |
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memset(&bus_config, 0, sizeof(spi_bus_config_t)); |
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memset(&bus_config, 0, sizeof(spi_bus_config_t)); |
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bus_config.sclk_io_num = u8g2_esp32_hal.clk; // CLK
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bus_config.sclk_io_num = u8g2_esp32_hal.clk; // CLK
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bus_config.mosi_io_num = u8g2_esp32_hal.mosi; // MOSI
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bus_config.mosi_io_num = u8g2_esp32_hal.mosi; // MOSI
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bus_config.miso_io_num = -1; // MISO
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bus_config.miso_io_num = -1; // MISO
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bus_config.quadwp_io_num = -1; // Not used
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bus_config.quadwp_io_num = -1; // Not used
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bus_config.quadhd_io_num = -1; // Not used
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bus_config.quadhd_io_num = -1; // Not used
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// ESP_LOGI(TAG, "... Initializing bus.");
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// ESP_LOGI(TAG, "... Initializing bus.");
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ESP_ERROR_CHECK(spi_bus_initialize(HSPI_HOST, &bus_config, 1)); |
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ESP_ERROR_CHECK(spi_bus_initialize(HSPI_HOST, &bus_config, 1)); |
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spi_device_interface_config_t dev_config; |
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spi_device_interface_config_t dev_config; |
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dev_config.address_bits = 0; |
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dev_config.address_bits = 0; |
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dev_config.command_bits = 0; |
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dev_config.command_bits = 0; |
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dev_config.dummy_bits = 0; |
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dev_config.dummy_bits = 0; |
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dev_config.mode = 0; |
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dev_config.mode = 0; |
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dev_config.duty_cycle_pos = 0; |
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dev_config.duty_cycle_pos = 0; |
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dev_config.cs_ena_posttrans = 0; |
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dev_config.cs_ena_posttrans = 0; |
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dev_config.cs_ena_pretrans = 0; |
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dev_config.cs_ena_pretrans = 0; |
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dev_config.clock_speed_hz = 10000; |
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dev_config.clock_speed_hz = 10000; |
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dev_config.spics_io_num = u8g2_esp32_hal.cs; |
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dev_config.spics_io_num = u8g2_esp32_hal.cs; |
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dev_config.flags = 0; |
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dev_config.flags = 0; |
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dev_config.queue_size = 200; |
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dev_config.queue_size = 200; |
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dev_config.pre_cb = NULL; |
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dev_config.pre_cb = NULL; |
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dev_config.post_cb = NULL; |
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dev_config.post_cb = NULL; |
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// ESP_LOGI(TAG, "... Adding device bus.");
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// ESP_LOGI(TAG, "... Adding device bus.");
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ESP_ERROR_CHECK(spi_bus_add_device(HSPI_HOST, &dev_config, &handle_spi)); |
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ESP_ERROR_CHECK(spi_bus_add_device(HSPI_HOST, &dev_config, &handle_spi)); |
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@ -84,11 +84,11 @@ uint8_t u8g2_esp32_spi_byte_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void |
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case U8X8_MSG_BYTE_SEND: { |
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case U8X8_MSG_BYTE_SEND: { |
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spi_transaction_t trans_desc; |
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spi_transaction_t trans_desc; |
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trans_desc.addr = 0; |
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trans_desc.addr = 0; |
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trans_desc.cmd = 0; |
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trans_desc.cmd = 0; |
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trans_desc.flags = 0; |
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trans_desc.flags = 0; |
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trans_desc.length = 8 * arg_int; // Number of bits NOT number of bytes.
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trans_desc.length = 8 * arg_int; // Number of bits NOT number of bytes.
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trans_desc.rxlength = 0; |
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trans_desc.rxlength = 0; |
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trans_desc.tx_buffer = arg_ptr; |
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trans_desc.tx_buffer = arg_ptr; |
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trans_desc.rx_buffer = NULL; |
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trans_desc.rx_buffer = NULL; |
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@ -106,7 +106,7 @@ uint8_t u8g2_esp32_spi_byte_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void |
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*/ |
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*/ |
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uint8_t u8g2_esp32_i2c_byte_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) { |
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uint8_t u8g2_esp32_i2c_byte_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) { |
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#define TXBUF_SIZE 32 |
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#define TXBUF_SIZE 32 |
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static uint8_t txbuf[TXBUF_SIZE]; |
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static uint8_t txbuf[TXBUF_SIZE]; |
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static uint8_t *txbuf_ptr; |
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static uint8_t *txbuf_ptr; |
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// ESP_LOGV(TAG, "i2c_cb: Received a msg: %d, arg_int: %d, arg_ptr: %p", msg,
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// ESP_LOGV(TAG, "i2c_cb: Received a msg: %d, arg_int: %d, arg_ptr: %p", msg,
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// arg_int, arg_ptr);
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// arg_int, arg_ptr);
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@ -126,10 +126,10 @@ uint8_t u8g2_esp32_i2c_byte_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void |
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i2c_config_t conf; |
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i2c_config_t conf; |
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conf.mode = I2C_MODE_MASTER; |
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conf.mode = I2C_MODE_MASTER; |
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ESP_LOGD(TAG, "sda_io_num %d", u8g2_esp32_hal.sda); |
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ESP_LOGD(TAG, "sda_io_num %d", u8g2_esp32_hal.sda); |
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conf.sda_io_num = u8g2_esp32_hal.sda; |
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conf.sda_io_num = u8g2_esp32_hal.sda; |
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conf.sda_pullup_en = GPIO_PULLUP_ENABLE; |
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conf.sda_pullup_en = GPIO_PULLUP_ENABLE; |
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ESP_LOGD(TAG, "scl_io_num %d", u8g2_esp32_hal.scl); |
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ESP_LOGD(TAG, "scl_io_num %d", u8g2_esp32_hal.scl); |
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conf.scl_io_num = u8g2_esp32_hal.scl; |
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conf.scl_io_num = u8g2_esp32_hal.scl; |
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conf.scl_pullup_en = GPIO_PULLUP_ENABLE; |
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conf.scl_pullup_en = GPIO_PULLUP_ENABLE; |
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ESP_LOGD(TAG, "clk_speed %d", I2C_MASTER_FREQ_HZ); |
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ESP_LOGD(TAG, "clk_speed %d", I2C_MASTER_FREQ_HZ); |
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conf.master.clk_speed = I2C_MASTER_FREQ_HZ; |
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conf.master.clk_speed = I2C_MASTER_FREQ_HZ; |
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@ -143,7 +143,7 @@ uint8_t u8g2_esp32_i2c_byte_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void |
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case U8X8_MSG_BYTE_SEND: { |
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case U8X8_MSG_BYTE_SEND: { |
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uint8_t *data_ptr = (uint8_t *)arg_ptr; |
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uint8_t *data_ptr = (uint8_t *)arg_ptr; |
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size_t data_len = (size_t)arg_int; |
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size_t data_len = (size_t)arg_int; |
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// ESP_LOGV(TAG, "U8x8_MSG_BYTE_SEND. txbuf len: %d", txbuf_ptr - txbuf);
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// ESP_LOGV(TAG, "U8x8_MSG_BYTE_SEND. txbuf len: %d", txbuf_ptr - txbuf);
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// ESP_LOG_BUFFER_HEXDUMP(TAG, data_ptr, data_len, ESP_LOG_VERBOSE);
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// ESP_LOG_BUFFER_HEXDUMP(TAG, data_ptr, data_len, ESP_LOG_VERBOSE);
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@ -158,7 +158,7 @@ uint8_t u8g2_esp32_i2c_byte_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void |
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case U8X8_MSG_BYTE_START_TRANSFER: { |
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case U8X8_MSG_BYTE_START_TRANSFER: { |
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uint8_t i2c_address = u8x8_GetI2CAddress(u8x8); |
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uint8_t i2c_address = u8x8_GetI2CAddress(u8x8); |
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handle_i2c = i2c_cmd_link_create(); |
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handle_i2c = i2c_cmd_link_create(); |
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// ESP_LOGV(TAG, "Start I2C transfer to %02X.", i2c_address >> 1);
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// ESP_LOGV(TAG, "Start I2C transfer to %02X.", i2c_address >> 1);
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ESP_ERROR_CHECK(i2c_master_start(handle_i2c)); |
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ESP_ERROR_CHECK(i2c_master_start(handle_i2c)); |
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ESP_ERROR_CHECK(i2c_master_write_byte(handle_i2c, i2c_address | I2C_MASTER_WRITE, ACK_CHECK_EN)); |
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ESP_ERROR_CHECK(i2c_master_write_byte(handle_i2c, i2c_address | I2C_MASTER_WRITE, ACK_CHECK_EN)); |
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@ -206,10 +206,10 @@ uint8_t u8g2_esp32_gpio_and_delay_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, |
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} |
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} |
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gpio_config_t gpioConfig; |
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gpio_config_t gpioConfig; |
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gpioConfig.pin_bit_mask = bitmask; |
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gpioConfig.pin_bit_mask = bitmask; |
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gpioConfig.mode = GPIO_MODE_OUTPUT; |
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gpioConfig.mode = GPIO_MODE_OUTPUT; |
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gpioConfig.pull_up_en = GPIO_PULLUP_DISABLE; |
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gpioConfig.pull_up_en = GPIO_PULLUP_DISABLE; |
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gpioConfig.pull_down_en = GPIO_PULLDOWN_ENABLE; |
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gpioConfig.pull_down_en = GPIO_PULLDOWN_ENABLE; |
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gpioConfig.intr_type = GPIO_INTR_DISABLE; |
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gpioConfig.intr_type = GPIO_INTR_DISABLE; |
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gpio_config(&gpioConfig); |
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gpio_config(&gpioConfig); |
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break; |
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break; |
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} |
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} |
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@ -242,9 +242,7 @@ uint8_t u8g2_esp32_gpio_and_delay_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, |
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break; |
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break; |
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// Delay for the number of milliseconds passed in through arg_int.
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// Delay for the number of milliseconds passed in through arg_int.
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case U8X8_MSG_DELAY_MILLI: |
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case U8X8_MSG_DELAY_MILLI: vTaskDelay(arg_int / portTICK_PERIOD_MS); break; |
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vTaskDelay(arg_int / portTICK_PERIOD_MS); |
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break; |
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} |
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} |
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return 0; |
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return 0; |
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} // u8g2_esp32_gpio_and_delay_cb
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} // u8g2_esp32_gpio_and_delay_cb
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