Kari Argillander
599033b7b0
It is lot easier to work with automatic formatters if we have external files in different folder. For some tools we can example just exclude external all together. Co-authored-by: Kari Argillander <kari.argillander@fidelix.com>
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/*****************************************************************************
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*
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* Atmel Corporation
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*
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* File : serial.c
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* Compiler : IAR C 3.10C Kickstart, AVR-GCC/avr-libc(>= 1.2.5)
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* Revision : $Revision: 1.7 $
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* Date : $Date: Tuesday, June 07, 200 $
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* Updated by : $Author: raapeland $
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*
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* Support mail : avr@atmel.com
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*
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* Target platform : All AVRs with bootloader support
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*
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* AppNote : AVR109 - Self-programming
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*
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* Description : UART communication routines
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****************************************************************************/
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#include "defines.h"
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void initbootuart(void)
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{
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BAUD_RATE_LOW_REG = BRREG_VALUE;
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UART_CONTROL_REG = (1 << ENABLE_RECEIVER_BIT) |
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(1 << ENABLE_TRANSMITTER_BIT); /* enable receive and transmit */
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}
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void sendchar(unsigned char c)
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{
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UART_DATA_REG = c; /* prepare transmission */
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while (!(UART_STATUS_REG & (1 << TRANSMIT_COMPLETE_BIT)))
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; /* wait until byte sendt */
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UART_STATUS_REG |= (1 << TRANSMIT_COMPLETE_BIT); /* delete TXCflag */
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}
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unsigned char recchar(void)
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{
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while (!(UART_STATUS_REG & (1 << RECEIVE_COMPLETE_BIT)))
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; /* wait for data */
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return UART_DATA_REG;
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}
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