int main( void ) {
unsigned char inc;
unsigned int rx_time=0, tx_time=0;
mcu_init();
sys_time_init();
led_init();
VCOM_allow_linecoding(1);
#ifdef USE_USB_SERIAL
VCOM_init();
#endif
mcu_int_enable();
LED_ON(3);
#ifdef USE_UART0
while(1) {
if (T0TC > (rx_time+((PCLK / T0_PCLK_DIV) / BLINK_MIN))) LED_OFF(1);
if (T0TC > (tx_time+((PCLK / T0_PCLK_DIV) / BLINK_MIN))) LED_OFF(2);
if (uart_char_available(&uart0) && VCOM_check_free_space(1)) {
LED_ON(1);
rx_time = T0TC;
inc = uart_getch(&uart0);
VCOM_putchar(inc);
}
if (VCOM_check_available() && uart_check_free_space(&uart0, 1)) {
LED_ON(2);
tx_time = T0TC;
inc = VCOM_getchar();
uart_transmit(&uart0, inc);
}
}
#else
while(1) {
if (T0TC > (rx_time+((PCLK / T0_PCLK_DIV) / BLINK_MIN))) LED_OFF(1);
if (T0TC > (tx_time+((PCLK / T0_PCLK_DIV) / BLINK_MIN))) LED_OFF(2);
if (uart_char_available(&uart1) && VCOM_check_free_space(1)) {
LED_ON(1);
rx_time = T0TC;
inc = uart_getch(&uart1);
VCOM_putchar(inc);
}
if (VCOM_check_available() && uart_check_free_space(&uart1, 1)) {
LED_ON(2);
tx_time = T0TC;
inc = VCOM_getchar();
uart_transmit(&uart1, inc);
}
}
#endif
return 0;
}
int main(){
int c;
//hci_ctx_t hci;
ubertooth_init();
// hci_init(&hci);
usb_ioa_init(vendor_request_handler);
BTAPP_Initialise(&gpsBTAPP);
/*
* for each character received over USB serial connection, echo the
* character back over USB serial and toggle USRLED
*/
while (1) {
c = VCOM_getchar();
if (c != EOF) {
/* toggle USRLED */
if (USRLED)
USRLED_CLR;
else
USRLED_SET;
// hci_update(&hci, c);
// VCOM_putchar(c);
}
}
}
int usb_serial_read(unsigned subdevice, char *buf, unsigned int count)
{
int avail;
int i;
if (count == 0) return 0;
avail = fifo_avail(&rxfifo);
if (avail == 0) return 0;
if (count > avail)
count = avail;
for (i = 0; i < count; i++)
*buf++ = VCOM_getchar();
return count;
}
int getkey()
{
#ifdef STANDALONE
while (!kbhit())
;
// return the next character from the console input device
return U0RBR;
#else
#ifdef VCOM
int c;
while ((c = VCOM_getchar()) == -1)
;
return c;
#else
return getc0();
#endif
#endif
}
void vUSBTask( void *pvParameters )
{
int c;
/* Just to prevent compiler warnings about the unused parameter. */
( void ) pvParameters;
DBG("Initialising USB stack\n");
xRxedChars = xQueueCreate( usbBUFFER_LEN, sizeof( char ) );
xCharsForTx = xQueueCreate( usbBUFFER_LEN, sizeof( char ) );
if( ( xRxedChars == NULL ) || ( xCharsForTx == NULL ) )
{
/* Not enough heap available to create the buffer queues, can't do
anything so just delete ourselves. */
vTaskDelete( NULL );
}
// initialise stack
USBInit();
// register descriptors
USBRegisterDescriptors(abDescriptors);
// register class request handler
USBRegisterRequestHandler(REQTYPE_TYPE_CLASS, HandleClassRequest, abClassReqData);
// register endpoint handlers
USBHwRegisterEPIntHandler(INT_IN_EP, NULL);
USBHwRegisterEPIntHandler(BULK_IN_EP, BulkIn);
USBHwRegisterEPIntHandler(BULK_OUT_EP, BulkOut);
// register frame handler
USBHwRegisterFrameHandler(USBFrameHandler);
// enable bulk-in interrupts on NAKs
USBHwNakIntEnable(INACK_BI);
DBG("Starting USB communication\n");
NVIC_SetPriority( USB_IRQn, configUSB_INTERRUPT_PRIORITY );
NVIC_EnableIRQ( USB_IRQn );
// connect to bus
DBG("Connecting to USB bus\n");
USBHwConnect(TRUE);
// echo any character received (do USB stuff in interrupt)
for( ;; )
{
c = VCOM_getchar();
if (c != EOF)
{
// Echo character back with INCREMENT_ECHO_BY offset, so for example if
// INCREMENT_ECHO_BY is 1 and 'A' is received, 'B' will be echoed back.
VCOM_putchar(c + INCREMENT_ECHO_BY );
}
}
}
/*************************************************************************
main
====
**************************************************************************/
bool USBStart(void)
{
int c;
// initialise stack
USBInit();
// register descriptors
USBRegisterDescriptors(abDescriptors);
// register class request handler
USBRegisterRequestHandler(REQTYPE_TYPE_CLASS, HandleClassRequest, abClassReqData);
// register endpoint handlers
USBHwRegisterEPIntHandler(INT_IN_EP, NULL);
USBHwRegisterEPIntHandler(BULK_IN_EP, BulkIn);
USBHwRegisterEPIntHandler(BULK_OUT_EP, BulkOut);
// register frame handler
USBHwRegisterFrameHandler(USBFrameHandler);
// register device event handler
USBHwRegisterDevIntHandler(USBDevIntHandler);
// initialise VCOM
VCOM_init();
VICVectCntl22 = 0x01;
VICVectAddr22 = (int)USBIntHandler;
// set up USB interrupt
VICIntSelect &= ~(1<<22); // select IRQ for USB
VICIntEnable |= (1<<22);
// connect to bus
USBHwConnect(TRUE);
#if TCM
// echo any character received (do USB stuff in interrupt)
while (1) {
c = VCOM_getchar();
if (c != EOF) {
// show on console
if ((c == 9) || (c == 10) || (c == 13) || ((c >= 32) && (c <= 126))) {
DBG("%c", c);
}
else {
DBG(".");
}
VCOM_putchar(c);
}
}
return 0;
#endif
return true;
}
void vCommandConsoleTask( void *pvParameters )
{
int8_t cRxedChar, cInputIndex = 0, *pcOutputString;
static int8_t cInputString[ cmdMAX_INPUT_SIZE ];
portBASE_TYPE xReturned;
//Peripheral_Descriptor_t xConsoleUART;
( void ) pvParameters;
/* Obtain the address of the output buffer. Note there is no mutual
exclusion on this buffer as it is assumed only one command console
interface will be used at any one time. */
pcOutputString = FreeRTOS_CLIGetOutputBuffer();
/* Open the UART port used for console input. The second parameter
(ulFlags) is not used in this case. The default board rate is set by the
boardDEFAULT_UART_BAUD parameter. The baud rate can be changed using a
FreeRTOS_ioctl() call with the ioctlSET_SPEED command. */
// xConsoleUART = FreeRTOS_open( boardCOMMAND_CONSOLE_UART, ( uint32_t ) cmdPARAMTER_NOT_USED );
// configASSERT( xConsoleUART );
/* Change the Tx usage model from straight polled mode to use zero copy
buffers with interrupts. In this mode, the UART will transmit characters
directly from the buffer passed to the FreeRTOS_write() function. */
// xReturned = FreeRTOS_ioctl( xConsoleUART, ioctlUSE_ZERO_COPY_TX, cmdPARAMTER_NOT_USED );
configASSERT( xReturned );//
/* Change the Rx usage model from straight polled mode to use a character
queue. Character queue reception is appropriate in this case as characters
can only be received as quickly as they can be typed, and need to be parsed
character by character. */
// xReturned = FreeRTOS_ioctl( xConsoleUART, ioctlUSE_CHARACTER_QUEUE_RX, ( void * ) cmdMAX_INPUT_SIZE );
// configASSERT( xReturned );
/* By default, the UART interrupt priority will have been set to the lowest
possible. It must be kept at or below configMAX_LIBRARY_INTERRUPT_PRIORITY,
but can be raised above its default priority using a FreeRTOS_ioctl() call
with the ioctlSET_INTERRUPT_PRIORITY command. */
// xReturned = FreeRTOS_ioctl( xConsoleUART, ioctlSET_INTERRUPT_PRIORITY, ( void * ) ( configMIN_LIBRARY_INTERRUPT_PRIORITY - 1 ) );
// configASSERT( xReturned );
/* Send the welcome message. */
/* if( FreeRTOS_ioctl( xConsoleUART, ioctlOBTAIN_WRITE_MUTEX, cmd50ms ) == pdPASS )
{
FreeRTOS_write( xConsoleUART, pcWelcomeMessage, strlen( ( char * ) pcWelcomeMessage ) );
}
*/
for( ;; )
{
/* Only interested in reading one character at a time. */
cRxedChar = VCOM_getchar();
if( cRxedChar == '\n' )
{
/* The input command string is complete. Ensure the previous
UART transmission has finished before sending any more data.
This task will be held in the Blocked state while the Tx completes,
if it has not already done so, so no CPU time will be wasted by
polling. */
/*if( FreeRTOS_ioctl( xConsoleUART, ioctlOBTAIN_WRITE_MUTEX, cmd50ms ) == pdPASS )
{
// Start to transmit a line separator, just to make the output
//easier to read.
FreeRTOS_write( xConsoleUART, pcNewLine, strlen( ( char * ) pcNewLine ) );
}
*/
VCOM_puts("\r\n>");
/* Pass the received command to the command interpreter. The
command interpreter is called repeatedly until it returns
pdFALSE as it might generate more than one string. */
do
{
/* Once again, just check to ensure the UART has completed
sending whatever it was sending last. This task will be held
in the Blocked state while the Tx completes, if it has not
already done so, so no CPU time is wasted polling. */
//xReturned = FreeRTOS_ioctl( xConsoleUART, ioctlOBTAIN_WRITE_MUTEX, cmd50ms );
if( xReturned == pdPASS )
{
/* Get the string to write to the UART from the command
interpreter. */
xReturned = FreeRTOS_CLIProcessCommand( cInputString, pcOutputString, configCOMMAND_INT_MAX_OUTPUT_SIZE );
/* Write the generated string to the UART. */
//FreeRTOS_write( xConsoleUART, pcOutputString, strlen( ( char * ) pcOutputString ) );
VCOM_puts(pcOutputString);
}
} while( xReturned != pdFALSE );
/* All the strings generated by the input command have been sent.
Clear the input string ready to receive the next command. */
cInputIndex = 0;
memset( cInputString, 0x00, cmdMAX_INPUT_SIZE );
/* Ensure the last string to be transmitted has completed. */
//if( FreeRTOS_ioctl( xConsoleUART, ioctlOBTAIN_WRITE_MUTEX, cmd50ms ) == pdPASS )
{
/* Start to transmit a line separator, just to make the output
easier to read. */
//FreeRTOS_write( xConsoleUART, "\r\n>", strlen( "\r\n>" ) );
VCOM_puts("\r\n>");
}
}
else
{
if( cRxedChar == '\r' )
{
/* Ignore the character. */
}
else if( cRxedChar == '\b' )
{
/* Backspace was pressed. Erase the last character in the
string - if any. */
if( cInputIndex > 0 )
{
cInputIndex--;
cInputString[ cInputIndex ] = '\0';
}
}
else
{
/* A character was entered. Add it to the string
entered so far. When a \n is entered the complete
string will be passed to the command interpreter. */
if( cInputIndex < cmdMAX_INPUT_SIZE )
{
cInputString[ cInputIndex ] = cRxedChar;
cInputIndex++;
}
}
}
}
}