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SSD1306: Return commands result

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This commit is contained in:
C47D 2021-01-22 10:12:30 -06:00
parent 9cdc3502a1
commit 80fb2aedef
1 changed files with 10 additions and 4 deletions
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14
lvgl_tft/ssd1306.c
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@ -202,6 +202,7 @@ void ssd1306_sleep_out(void)
static uint8_t send_data(lv_disp_drv_t *disp_drv, void *bytes, size_t bytes_len) static uint8_t send_data(lv_disp_drv_t *disp_drv, void *bytes, size_t bytes_len)
{ {
(void) disp_drv; (void) disp_drv;
esp_err_t err;
uint8_t *data = (uint8_t *) bytes; uint8_t *data = (uint8_t *) bytes;
@ -215,15 +216,18 @@ static uint8_t send_data(lv_disp_drv_t *disp_drv, void *bytes, size_t bytes_len)
} }
i2c_master_stop(cmd); i2c_master_stop(cmd);
i2c_master_cmd_begin(DISP_I2C_PORT, cmd, 10 / portTICK_PERIOD_MS);
/* Send queued commands */
err = i2c_master_cmd_begin(DISP_I2C_PORT, cmd, 10 / portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd); i2c_cmd_link_delete(cmd);
return 0; return ESP_OK == err ? 0 : 1;
} }
static uint8_t send_pixels(lv_disp_drv_t *disp_drv, void *color_buffer, size_t buffer_len) static uint8_t send_pixels(lv_disp_drv_t *disp_drv, void *color_buffer, size_t buffer_len)
{ {
(void) disp_drv; (void) disp_drv;
esp_err_t err;
i2c_cmd_handle_t cmd = i2c_cmd_link_create(); i2c_cmd_handle_t cmd = i2c_cmd_link_create();
i2c_master_start(cmd); i2c_master_start(cmd);
@ -232,8 +236,10 @@ static uint8_t send_pixels(lv_disp_drv_t *disp_drv, void *color_buffer, size_t b
i2c_master_write_byte(cmd, OLED_CONTROL_BYTE_DATA_STREAM, true); i2c_master_write_byte(cmd, OLED_CONTROL_BYTE_DATA_STREAM, true);
i2c_master_write(cmd, (uint8_t *) color_buffer, buffer_len, true); i2c_master_write(cmd, (uint8_t *) color_buffer, buffer_len, true);
i2c_master_stop(cmd); i2c_master_stop(cmd);
i2c_master_cmd_begin(DISP_I2C_PORT, cmd, 10 / portTICK_PERIOD_MS);
/* Send queued commands */
err = i2c_master_cmd_begin(DISP_I2C_PORT, cmd, 10 / portTICK_PERIOD_MS);
i2c_cmd_link_delete(cmd); i2c_cmd_link_delete(cmd);
return 0; return ESP_OK == err ? 0 : 1;
} }