static void USART_IRQHandler(USART_TypeDef *USART, IOEventFlags device) {
if (USART_GetFlagStatus(USART, USART_FLAG_FE) != RESET) {
// If we have a framing error, push status info onto the event queue
jshPushIOEvent(
IOEVENTFLAGS_SERIAL_TO_SERIAL_STATUS(device) | EV_SERIAL_STATUS_FRAMING_ERR, 0);
}
if (USART_GetFlagStatus(USART, USART_FLAG_PE) != RESET) {
// If we have a parity error, push status info onto the event queue
jshPushIOEvent(
IOEVENTFLAGS_SERIAL_TO_SERIAL_STATUS(device) | EV_SERIAL_STATUS_PARITY_ERR, 0);
}
if(USART_GetITStatus(USART, USART_IT_RXNE) != RESET) {
/* Clear the USART Receive interrupt */
USART_ClearITPendingBit(USART, USART_IT_RXNE);
/* Read one byte from the receive data register */
jshPushIOCharEvent(device, (char)USART_ReceiveData(USART));
}
/* If overrun condition occurs, clear the ORE flag and recover communication */
if (USART_GetFlagStatus(USART, USART_FLAG_ORE) != RESET)
{
(void)USART_ReceiveData(USART);
}
if(USART_GetITStatus(USART, USART_IT_TXE) != RESET) {
/* If we have other data to send, send it */
int c = jshGetCharToTransmit(device);
if (c >= 0) {
USART_SendData(USART, (uint16_t)c);
} else
USART_ITConfig(USART, USART_IT_TXE, DISABLE);
}
}
void uart0_event_handle(app_uart_evt_t * p_event) {
if (p_event->evt_type == APP_UART_COMMUNICATION_ERROR) {
jshPushIOEvent(IOEVENTFLAGS_SERIAL_TO_SERIAL_STATUS(EV_SERIAL1) | EV_SERIAL_STATUS_FRAMING_ERR, 0);
} else if (p_event->evt_type == APP_UART_TX_EMPTY) {
int ch = jshGetCharToTransmit(EV_SERIAL1);
if (ch >= 0) {
uartIsSending = true;
while (app_uart_put((uint8_t)ch) != NRF_SUCCESS);
} else
uartIsSending = false;
} else if (p_event->evt_type == APP_UART_DATA) {
uint8_t character;
while (app_uart_get(&character) != NRF_SUCCESS);
jshPushIOCharEvent(EV_SERIAL1, (char) character);
}
}