68 lines
1.1 KiB
C
68 lines
1.1 KiB
C
#include <stdio.h>
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#include "dev/uart1.h"
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#include PLATFORM_HEADER
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#include "hal/micro/micro-common.h"
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#include "hal/micro/cortexm3/micro-common.h"
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//#include "uart.h"
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#ifdef __GNUC__
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# define _LLIO_STDIN ((int) stdin)
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# define _LLIO_STDOUT ((int) stdout)
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# define _LLIO_STDERR ((int) stderr)
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# define _LLIO_ERROR (-1)
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#else
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# ifdef __ICCARM__
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# include <yfuns.h>
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# endif
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#endif
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#undef putchar
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int __attribute__(( weak )) putchar(int c)
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{
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uart1_writeb(c);
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return c;
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}
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void __io_putchar(char c)
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{
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putchar(c);
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}
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size_t _write(int handle, const unsigned char * buffer, size_t size)
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{
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size_t nChars = 0;
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if (handle != _LLIO_STDOUT && handle != _LLIO_STDERR) {
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return _LLIO_ERROR;
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}
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if (buffer == 0) {
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// This means that we should flush internal buffers.
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//spin until TX complete (TX is idle)
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while ((SC1_UARTSTAT&SC_UARTTXIDLE)!=SC_UARTTXIDLE) {}
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return 0;
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}
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// ensure port is configured for UART
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if(SC1_MODE != SC1_MODE_UART) {
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return _LLIO_ERROR;
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}
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while(size--) {
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__io_putchar(*buffer++);
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++nChars;
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}
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return nChars;
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}
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size_t _read(int handle, unsigned char * buffer, size_t size)
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{
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return 0;
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}
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