24 lines
353 B
C
24 lines
353 B
C
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#include "uart.h"
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int uart_rx_available() {
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return (*UART_STATUS & UART_STATUS_RXNE_msk) != 0;
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}
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int uart_tx_available() {
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return (*UART_STATUS & UART_STATUS_TXE_msk) != 0;
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}
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void uart_write(const char c) {
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while (!uart_tx_available()) {
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}
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*UART_DATA = c;
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}
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char uart_read() {
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while (!uart_rx_available()) {
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}
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return *UART_DATA;
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}
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