The USART driver generates call back events that are notified via the function ARM_USART_SignalEvent. More...
The USART driver generates call back events that are notified via the function ARM_USART_SignalEvent.
This section provides the event values for the ARM_USART_SignalEvent callback function.
The following call back notification events are generated:
#define ARM_USART_EVENT_SEND_COMPLETE (1UL << 0)Send completed; however USART may still transmit data.
#define ARM_USART_EVENT_RECEIVE_COMPLETE (1UL << 1)Receive completed.
#define ARM_USART_EVENT_TRANSFER_COMPLETE (1UL << 2)Transfer completed.
#define ARM_USART_EVENT_TX_COMPLETE (1UL << 3)Transmit completed (optional)
#define ARM_USART_EVENT_TX_UNDERFLOW (1UL << 4)Transmit data not available (Synchronous Slave)
#define ARM_USART_EVENT_RX_OVERFLOW (1UL << 5)Receive data overflow.
#define ARM_USART_EVENT_RX_TIMEOUT (1UL << 6)Receive character timeout (optional)
#define ARM_USART_EVENT_RX_BREAK (1UL << 7)Break detected on receive.
#define ARM_USART_EVENT_RX_FRAMING_ERROR (1UL << 8)Framing error detected on receive.
#define ARM_USART_EVENT_RX_PARITY_ERROR (1UL << 9)Parity error detected on receive.
#define ARM_USART_EVENT_CTS (1UL << 10)CTS state changed (optional)
#define ARM_USART_EVENT_DSR (1UL << 11)DSR state changed (optional)
#define ARM_USART_EVENT_DCD (1UL << 12)DCD state changed (optional)
#define ARM_USART_EVENT_RI (1UL << 13)RI state changed (optional)
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