C++ (Cpp) ALT_DRIVER_WRITE_EXTERNS Examples

Example #1

File: alt_write.c Project: 14dannie/gbfpga

int ALT_WRITE (int file, const void *ptr, size_t len)
{
#ifdef ALT_STDOUT_PRESENT
    ALT_DRIVER_WRITE_EXTERNS(ALT_STDOUT_DEV);
#endif
#ifdef ALT_STDERR_PRESENT
    ALT_DRIVER_WRITE_EXTERNS(ALT_STDERR_DEV);
#endif

#if !defined(ALT_STDOUT_PRESENT) && !defined(ALT_STDERR_PRESENT)
    /* Generate a link time warning, should this function ever be called. */
    ALT_STUB_WARNING(write);
#endif

    switch (file) {
#ifdef ALT_STDOUT_PRESENT
    case 1: /* stdout file descriptor */
        return ALT_DRIVER_WRITE(ALT_STDOUT_DEV, ptr, len, 0);
#endif /* ALT_STDOUT_PRESENT */
#ifdef ALT_STDERR_PRESENT
    case 2: /* stderr file descriptor */
        return ALT_DRIVER_WRITE(ALT_STDERR_DEV, ptr, len, 0);
#endif /* ALT_STDERR_PRESENT */
    default:
        ALT_ERRNO = EBADFD;
        return -1;
    }
}

Example #2

File: alt_putstr.c Project: PaulKafka/VHDL_Verilog

/*
 * Uses the ALT_DRIVER_WRITE() macro to call directly to driver if available.
 * Otherwise, uses newlib provided fputs() routine.
 */
int 
alt_putstr(const char* str)
{
#ifdef ALT_USE_DIRECT_DRIVERS
    ALT_DRIVER_WRITE_EXTERNS(ALT_STDOUT_DEV);
    return ALT_DRIVER_WRITE(ALT_STDOUT_DEV, str, strlen(str), 0);
#else
    return fputs(str, stdout);
#endif
}

Example #3

File: alt_putstr.c Project: ModelCar/Autonomous-Car

/*
 * Uses the ALT_DRIVER_WRITE() macro to call directly to driver if available.
 * Otherwise, uses newlib provided fputs() routine.
 */
int 
alt_putstr(const char* str)
{
#ifdef ALT_SEMIHOSTING
    return write(STDOUT_FILENO,str,strlen(str));
#else
#ifdef ALT_USE_DIRECT_DRIVERS
    ALT_DRIVER_WRITE_EXTERNS(ALT_STDOUT_DEV);
    return ALT_DRIVER_WRITE(ALT_STDOUT_DEV, str, strlen(str), 0);
#else
    return fputs(str, stdout);
#endif
#endif
}

Example #4

File: alt_putchar.c Project: 14dannie/gbfpga

/*
 * Uses the ALT_DRIVER_WRITE() macro to call directly to driver if available.
 * Otherwise, uses newlib provided putchar() routine.
 */
int 
alt_putchar(int c)
{
#ifdef ALT_USE_DIRECT_DRIVERS
    ALT_DRIVER_WRITE_EXTERNS(ALT_STDOUT_DEV);
    char        c1 = (char)(c & 0xff);

    if (ALT_DRIVER_WRITE(ALT_STDOUT_DEV, &c1, 1, 0) == -1) {
        return -1;
    }
    return c;
#else
    return putchar(c);
#endif
}