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Add I2C example to communication abstraction interface

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This commit is contained in:
C47D 2021-11-19 21:05:39 -06:00
parent 8bdc2aed38
commit db8be8a4da
5 changed files with 33 additions and 38 deletions
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23
lv_port/lv_port_display_espressif.c
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@ -7,6 +7,11 @@
#include "driver/gpio.h"
#include "disp_spi.h"
#include "lvgl_i2c/i2c_manager.h"
/* TODO: This is ssd1306 specific */
#define OLED_I2C_PORT (CONFIG_LV_I2C_DISPLAY_PORT)
#define OLED_I2C_ADDRESS 0x3C
#define LV_DISPLAY_DC_CMD_MODE 0
#define LV_DISPLAY_DC_DATA_MODE 1
@ -75,6 +80,9 @@ void display_interface_send_cmd(lv_disp_drv_t *drv, uint8_t cmd, void *args, siz
disp_spi_send_data(args, args_len);
}
#elif defined (CONFIG_LV_TFT_DISPLAY_PROTOCOL_I2C)
(void) drv;
uint8_t *data = (uint8_t *) args;
lvgl_i2c_write(OLED_I2C_PORT, OLED_I2C_ADDRESS, cmd, data, args_len);
#endif
}
@ -86,5 +94,20 @@ void display_interface_send_data_async(lv_disp_drv_t *drv, void *data, size_t le
disp_spi_send_colors(data, len);
#elif defined (CONFIG_LV_TFT_DISPLAY_PROTOCOL_I2C)
(void) drv;
lvgl_i2c_write(OLED_I2C_PORT, OLED_I2C_ADDRESS, OLED_CONTROL_BYTE_DATA_STREAM, data, len);
#endif
}
void display_interface_send_data(lv_disp_drv_t *drv, void *data, size_t len)
{
#if defined (CONFIG_LV_TFT_DISPLAY_PROTOCOL_SPI)
disp_wait_for_pending_transactions();
display_port_gpio_dc(drv, LV_DISPLAY_DC_DATA_MODE);
disp_spi_send_colors(data, len);
#elif defined (CONFIG_LV_TFT_DISPLAY_PROTOCOL_I2C)
(void) drv;
lvgl_i2c_write(OLED_I2C_PORT, OLED_I2C_ADDRESS, OLED_CONTROL_BYTE_DATA_STREAM, data, len);
#endif
}