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fix(esp_lcd): Fix I2C receive without param

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This commit is contained in:
Vilem Zavodny 2024-07-26 07:47:53 +02:00
parent 77bb7c888f
commit 922f581b3d
1 changed files with 7 additions and 4 deletions
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11
components/esp_lcd/i2c/esp_lcd_panel_io_i2c_v2.c
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@ -126,10 +126,10 @@ static esp_err_t panel_io_i2c_rx_buffer(esp_lcd_panel_io_t *io, int lcd_cmd, voi
lcd_panel_io_i2c_t *i2c_panel_io = __containerof(io, lcd_panel_io_i2c_t, base);
bool send_param = (lcd_cmd >= 0);
int write_size = 0;
uint8_t write_buffer[CONTROL_PHASE_LENGTH + CMD_LENGTH] = {0};
if (send_param) {
int write_size = 0;
uint8_t write_buffer[CONTROL_PHASE_LENGTH + CMD_LENGTH] = {0};
if (i2c_panel_io->control_phase_enabled) {
write_buffer[0] = i2c_panel_io->control_phase_cmd;
write_size += 1;
@ -141,9 +141,12 @@ static esp_err_t panel_io_i2c_rx_buffer(esp_lcd_panel_io_t *io, int lcd_cmd, voi
memcpy(write_buffer + write_size, cmds + (sizeof(cmds) - cmds_size), cmds_size);
write_size += cmds_size;
}
ESP_GOTO_ON_ERROR(i2c_master_transmit_receive(i2c_panel_io->i2c_handle, write_buffer, write_size, buffer, buffer_size, -1), err, TAG, "i2c transaction failed");
} else {
ESP_GOTO_ON_ERROR(i2c_master_receive(i2c_panel_io->i2c_handle, buffer, buffer_size, -1), err, TAG, "i2c transaction failed");
}
ESP_GOTO_ON_ERROR(i2c_master_transmit_receive(i2c_panel_io->i2c_handle, write_buffer, write_size, buffer, buffer_size, -1), err, TAG, "i2c transaction failed");
return ESP_OK;
err:
return ret;