MNRS-BM-BSP/libwrap/sys/write.c

59 lines
1.5 KiB
C

/* See LICENSE of license details. */
#include <stdint.h>
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include "../../include/tgc-vp/devices/uart.h"
#include "../../env/tgc-vp/platform.h"
#include "platform.h"
#include "stub.h"
#include "weak_under_alias.h"
#include "semihosting.h"
ssize_t __wrap_write(int fd, const void* ptr, size_t len)
{
const uint8_t * current = (const uint8_t *)ptr;
#if defined(SEMIHOSTING)
if(isatty(fd)) {
for (size_t jj = 0; jj < len; jj++) {
sh_writec(current[jj]);
}
return len;
} else {
sh_write(current, fd);
return len;
}
//return len;
#endif
if (isatty(fd)) {
for (size_t jj = 0; jj < len; jj++) {
#if defined(BOARD_ehrenberg)
while (uart_get_tx_free(uart)==0) ;
uart_write(uart, current[jj]);
if (current[jj] == '\n') {
while (uart_get_tx_free(uart)==0) ;
uart_write(uart, '\r');
}
#elif defined(BOARD_iss)
*((uint32_t*) 0xFFFF0000) = current[jj];
#elif defined(BOARD_TGC5L)
//TODO: implement
#else
while (UART0_REG(UART_REG_TXFIFO) & 0x80000000) ;
UART0_REG(UART_REG_TXFIFO) = current[jj];
if (current[jj] == '\n') {
while (UART0_REG(UART_REG_TXFIFO) & 0x80000000) ;
UART0_REG(UART_REG_TXFIFO) = '\r';
}
#endif
}
return len;
}
return _stub(EBADF);
}
weak_under_alias(write);