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Remove unhelpful comments and constants

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gudnimg 2024-11-24 09:19:10 +00:00 committed by 3d-gussner
parent 18bda84876
commit 51e81217dd
1 changed files with 2 additions and 7 deletions
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9
Firmware/uart2.c
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@ -6,10 +6,7 @@
#include "rbuf.h"
#include "macros.h"
#define UART2_BAUD 115200
#define UART_BAUD_SELECT(baudRate,xtalCpu) (((float)(xtalCpu))/(((float)(baudRate))*8.0)-1.0+0.5)
#define uart2_rxcomplete (UCSR2A & (1 << RXC2))
#define uart2_txcomplete (UCSR2A & (1 << TXC2))
#define uart2_txready (UCSR2A & (1 << UDRE2))
uint8_t uart2_ibuf[20] = {0, 0};
@ -20,9 +17,9 @@ FILE _uart2io = {0};
int uart2_putchar(char c, _UNUSED FILE *stream)
{
while (!uart2_txready);
UDR2 = c; // transmit byte
// while (!uart2_txcomplete); // wait until byte sent
// UCSR2A |= (1 << TXC2); // delete TXCflag
return 0;
}
@ -47,10 +44,8 @@ void uart2_init(uint32_t baudRate)
ISR(USART2_RX_vect)
{
//printf_P(PSTR("USART2_RX_vect \n") );
if (rbuf_put(uart2_ibuf, UDR2) < 0) // put received byte to buffer
{ //rx buffer full
//uart2_rx_clr(); //for sure, clear input buffer
puts_P(PSTR("USART2 rx Full!!!"));
}
}