Esempi in C++ (Cpp) per ALT_UART_LSR_THRE_GET

Esempio n. 1

File: uart_core.c Progetto: phisiart/micropython

// Send string of given length
void mp_hal_stdout_tx_strn(const char *str, mp_uint_t len) {
    for (int i = 0; i < len; i++) {
        // Wait until THR is empty
        while (1 != ALT_UART_LSR_THRE_GET(alt_read_word(ALT_UART0_LSR_ADDR))) { }

        // Write character to THR
        alt_write_word(ALT_UART0_RBR_THR_DLL_ADDR, str[i]);
    }
}

Esempio n. 2

File: io.c Progetto: bturcott/CV_Memory_Protection_Baremetal

int _write(int file, char * ptr, unsigned len, int flag )
{
    /* Fails if not STDOUT */
    if(file != STDOUT_FILENO)
    {
        return -1;
    }

    /* Print each character to UART */
    for(int i=0; i<len; i++)
    {
        /* Wait until THR is empty*/
        while(1 != ALT_UART_LSR_THRE_GET(alt_read_word(ALT_UART0_LSR_ADDR)))
        {
        }

        /* Write character to THR */
        alt_write_word(ALT_UART0_RBR_THR_DLL_ADDR, ptr[i]);
    }

    /* All printed fine */
    return len;
}