50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
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/*******************
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*
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* Copyright 1998-2010 IAR Systems AB.
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*
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* This is a template implementation of the "__write" function used by
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* the standard library. Replace it with a system-specific
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* implementation.
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*
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* The "__write" function should output "size" number of bytes from
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* "buffer" in some application-specific way. It should return the
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* number of characters written, or _LLIO_ERROR on failure.
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*
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* If "buffer" is zero then __write should perform flushing of
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* internal buffers, if any. In this case "handle" can be -1 to
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* indicate that all handles should be flushed.
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*
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* The template implementation below assumes that the application
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* provides the function "MyLowLevelPutchar". It should return the
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* character written, or -1 on failure.
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*
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********************/
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// #include <yfuns.h>
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#include "main.h"
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#include "cmsis_os.h"
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extern UART_HandleTypeDef DEBUG_UART;
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/*
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* If the __write implementation uses internal buffering, uncomment
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* the following line to ensure that we are called with "buffer" as 0
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* (i.e. flush) when the application terminates.
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*/
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size_t _write(int handle, const unsigned char * buffer, size_t size) {
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if (buffer == 0) {
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/*
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* This means that we should flush internal buffers. Since we
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* don't we just return. (Remember, "handle" == -1 means that all
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* handles should be flushed.)
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*/
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return 0;
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}
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HAL_UART_Transmit(&DEBUG_UART, (uint8_t*)buffer, (uint16_t)size, HAL_MAX_DELAY);
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return (int)size;
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}
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