URL
https://opencores.org/ocsvn/neorv32/neorv32/trunk
Subversion Repositories neorv32
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/neorv32/trunk/sw/lib/source
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Rev 2 → Rev 3
/neorv32_uart.c
130,14 → 130,21
* Send single char via UART. |
* |
* @note This function is blocking. |
* @warning The 'SIMCOM_UART_OVERRIDE' compiler user flag will forward all UART TX data to the SIMCOM simulation console output. |
* |
* @param[in] c Char to be send. |
**************************************************************************/ |
void neorv32_uart_putc(char c) { |
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#ifdef DEVNULL_UART_OVERRIDE |
#warning UART OVERRIDE! Sending all UART.TX data to DEVNULL simulation output instead of UART transmitter. Use this for simulations only! |
DEVNULL_DATA = (uint32_t)c; |
#else |
// wait for previous transfer to finish |
while ((UART_CT & (1<<UART_CT_TX_BUSY)) != 0); |
UART_DATA = ((uint32_t)c) << UART_DATA_LSB; |
#endif |
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} |
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