Created
November 20, 2016 17:52
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Пример организации поллинга UART в sam3x8e
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... | |
while (1) | |
{ | |
//Если получили очередной байт из UART - прочитаем его в переменную received_data | |
if ((UART->UART_SR & UART_SR_RXRDY) == UART_SR_RXRDY ) | |
{ | |
uint32_t received_data = UART->UART_RHR; | |
... | |
} | |
//Если готовы отправить очередной байт (зранится в data_to_transmit) через UART - запишем в регистр UART_THR | |
if ((UART->UART_SR & UART_SR_TXRDY) == UART_SR_TXRDY) | |
{ | |
UART->UART_THR = data_to_transmit; | |
} | |
//Делаем что-то ещё | |
... | |
} | |
... |
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