fts.c

ARM入门的好帮手.包含了从简单到相对较复杂的程序.

//*--------------------------------------------------------------------------------------
//* Function Name       : usart_test
//* Object              : Test USART with loopback and external cable
//* Input Parameters    : None
//* Output Parameters   : None
//* Functions called    : at91_usart_open, at91_trig_cmd, at91_usart_close
//*                     : at91_usart_write, at91_usart_read
//*--------------------------------------------------------------------------------------
u_int usart_test (void)
//* Begin
{
    StructUSART     *us0_pt = USART0_BASE ;
    StructUSART     *us1_pt = USART1_BASE ;

    u_int   *pt_us_char = (u_int*)0x02020000 ;
    u_int   val_read ;
    int     error = 0 ;
    int     count = 0 ;

    //* -- Configure Serial ports 0 and 1 for internal loopback test
    //* ------------------------------------------------------------
    at91_usart_open  ( &USART0_DESC , (US_ASYNC_MODE | US_CHMODE_LOCAL_LOOPBACK) , BAUD_RATE , 0x0 ) ;
    us0_pt->US_IDR = 0x3FF ;
    us0_pt->US_RTOR = 0x0 ;
    at91_usart_trig_cmd ( &USART0_DESC , (USART_RESET | USART_ENABLE) ) ;

    at91_usart_open  ( &USART1_DESC , (US_ASYNC_MODE | US_CHMODE_LOCAL_LOOPBACK) , BAUD_RATE , 0x0 ) ;
    us1_pt->US_IDR = 0x3FF ;
    us1_pt->US_RTOR = 0x0 ;
    at91_usart_trig_cmd ( &USART1_DESC , (USART_RESET | USART_ENABLE) ) ;

    //* -- Test 1 - send from Serial A to Serial A (loopback)
    //* -----------------------------------------------------
    at91_usart_write (&USART0_DESC, 0x0031) ;
    while (((us0_pt->US_CSR & 0x1)!=0x1) & (count != 2000))
    {
        //* -- Wait the RXRDY flag high
            count++;
    }
    at91_usart_read (&USART0_DESC, pt_us_char ) ;
    val_read = *pt_us_char ;
    if ( val_read != 0x0031)
    error++ ;

    //* -- Test 2 - send from Serial B to Serial B (loopback)
    //* -----------------------------------------------------
    at91_usart_write (&USART1_DESC, 0x0032) ;
    count = 0 ;
    while (((us1_pt->US_CSR & 0x1)!=0x1) & (count != 2000))
    {
        //* -- Wait the RXRDY flag high
        count++;
    }
    at91_usart_read (&USART1_DESC, pt_us_char ) ;
    val_read = *pt_us_char ;
    if ( val_read != 0x0032)
    error++ ;


    //* -- Configure Serial ports for external cable test
    //* --------------------------------------------------
    /* -- Normal loopback, 1 stop bit, no parity, async., 8 bit character, MCK -- */
    at91_usart_open  ( &USART0_DESC , US_ASYNC_MODE , BAUD_RATE , 0x0 ) ;


    /* Normal loopback, 1 stop bit, no parity, async., 8 bit character, MCK */
    at91_usart_open  ( &USART1_DESC , US_ASYNC_MODE , BAUD_RATE , 0x0 ) ;

    //* -- Test 3 - send from Serial A to Serial B (external cable)
    //* -----------------------------------------------------------
    at91_usart_write (&USART0_DESC, 0x0033) ;
    count = 0 ;
    while (((us1_pt->US_CSR & 0x1)!=0x1) & (count != 2000))
    {
        //* -- Wait the RXRDY flag high
            count++;
    }
    at91_usart_read (&USART1_DESC, pt_us_char ) ;
    val_read = *pt_us_char ;
    if ( val_read != 0x0033)
    error++ ;


    //* -- Test 4 - send from Serial B to Serial A (external cable)
    at91_usart_write (&USART1_DESC, 0x0034) ;
    count = 0 ;
    while (((us0_pt->US_CSR & 0x1)!=0x1) & (count != 2000))
    {
        //* -- Wait the RXRDY flag high
            count++;
    }

    at91_usart_read (&USART0_DESC, pt_us_char ) ;
    val_read = *pt_us_char ;
    if ( val_read != 0x0034)
    error++ ;

    if (error > 0 )
    return ( FALSE );

    else return ( TRUE );

//* End
}

//*--------------------------------------------------------------------------------------
//* Function Name       : show_ok
//* Object              : Light on the test led during 200ms and return
//* Input Parameters    : <mask> = led showing the test in progress
//* Output Parameters   : None
//* Functions called    : at91_tc_wait_open, at91_pio_write
//*--------------------------------------------------------------------------------------
void show_ok ( u_int mask )
//* Begin
{

    //* Wait 200 msec
    wait_desc.period = 200000 ;
    at91_wait_open ( &wait_desc );
    //* Switch off the corresponding led
    at91_pio_write (&PIOB_DESC, mask, LED_OFF );
    //* Wait 200 msec
    at91_wait_open ( &wait_desc );
}
//* End

//*--------------------------------------------------------------------------------------
//* Function Name       : show_error
//* Object              :
//* Input Parameters    : None
//* Output Parameters   : None
//* Functions called    :
//*--------------------------------------------------------------------------------------
void show_error ( void )
//* Begin
{
    //* Wait 200 msec
    wait_desc.period = 1000000 ;
    at91_wait_open ( &wait_desc ) ;
    //* Light up all the leds
    at91_pio_write (&PIOB_DESC, LED_MASK, LED_ON ) ;
    //* Wait 1 sec
    at91_wait_open ( &wait_desc );
    //* Switch off all the leds
    at91_pio_write (&PIOB_DESC, LED_MASK, LED_OFF ) ;
    //* Wait 200 msec
    wait_desc.period = 200000 ;
    at91_wait_open ( &wait_desc );
    //* Light up all the leds
    at91_pio_write (&PIOB_DESC, LED_MASK, LED_ON ) ;
    //* Wait 1 sec
    wait_desc.period = 1000000 ;
    at91_wait_open ( &wait_desc );
    //* Switch off all the leds
    at91_pio_write (&PIOB_DESC, LED_MASK, LED_OFF ) ;
}
//* End

//*--------------------------------------------------------------------------------------
//* Function Name           : BootFts
//* Object                  : expect an user action, and start the test
//* Input Parameters        : None
//* Output Parameters       : None
//* Functions called        :
//*--------------------------------------------------------------------------------------
void BootFts (void )
//* Begin
{
    //* Light off all the LEDs
    at91_pio_write (&PIOB_DESC, LED_MASK, LED_OFF ) ;

    //* Repeat for ever
    for (;;)
    {
        //* Light on the LED1
        at91_pio_write (&PIOB_DESC, LED1, LED_ON ) ;
        //* Internal RAM Test
        if ( internal_ram_test () == TRUE )
            show_ok (LED1) ;
        else
            show_error () ;

        //* Light on the LED2
        at91_pio_write (&PIOB_DESC, LED2, LED_ON ) ;
        //* External RAM Test
        if ( external_ram_test () == TRUE )
            show_ok (LED2) ;
        else
            show_error () ;

        //* Light on the LED3
        at91_pio_write (&PIOB_DESC, LED3, LED_ON ) ;
        //* MPI RAM Test
        if ( mpi_test() == TRUE )
            show_ok (LED3) ;
        else
            show_error () ;

        //* Light on the LED4
        at91_pio_write (&PIOB_DESC, LED4, LED_ON ) ;
        //* Flash AT49BV1604 Test
        if ( ext_flash_test () == TRUE )
            show_ok (LED4) ;
        else
            show_error () ;

        //* Light on the LED5
        at91_pio_write (&PIOB_DESC, LED5, LED_ON ) ;
        //* Data Flash Test
        if ( spi_dataflash_test () == TRUE )
            show_ok (LED5) ;
        else
           show_error () ;

        //* Light on the LED6
        at91_pio_write (&PIOB_DESC, LED6, LED_ON ) ;
        //* Serial EEPROM Test
        if ( serial_eeprom_test () == TRUE )
            show_ok (LED6) ;
        else
            show_error () ;

        //* Light on the LED7
        at91_pio_write (&PIOB_DESC, LED7, LED_ON ) ;
        //* Usart Test
        if ( usart_test() == TRUE )
            show_ok (LED7) ;
        else
            show_error () ;

    }//* EndRepeat
//* End
}