Need to send ASCII and then HEX
I am trying to send commands to a Netion display which needs ASCII and then termination of 3 hex 0xFFs.I tried this: HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_SET); char Cdata[11] = "bt6.val=[1]"; HAL_UART_Transmit(&huart1, Cdata...