/**
* Initializes the system, connects the USB and waits indefinitely.
*
* \callgraph
*/
int main(void)
{
/* Disable watchdog */
WDT_Disable( WDT );
/* Output example information */
printf( "-- USB Device Core Project %s --\n\r", SOFTPACK_VERSION ) ;
printf( "-- %s\n\r", BOARD_NAME ) ;
printf( "-- Compiled: %s %s --\n\r", __DATE__, __TIME__ ) ;
/* If they are present, configure Vbus & Wake-up pins */
PIO_InitializeInterrupts(0) ;
/* Enable UPLL for USB */
_ConfigureUsbClock();
/* USB initialization, Disable Pull-up */
TRACE_INFO("USB initialization\n\r");
USBDDriver_Initialize(&usbdDriver, &usbdDriverDescriptors, 0);
USBD_Init();
/* Wait about 10ms so that host detach the device to re-enumerate
Device connection */
TRACE_INFO("Connecting device\n\r");
/* connect if needed */
VBus_Configure();
while (USBD_GetState() < USBD_STATE_CONFIGURED);
// Infinite loop
while (1) {
}
}
//------------------------------------------------------------------------------
/// Initializes drivers and start the USB <-> Serial bridge.
//------------------------------------------------------------------------------
int main()
{
TRACE_CONFIGURE(DBGU_STANDARD, 115200, BOARD_MCK);
TRACE_INFO("-- USB Device CDC Serial Project %s --\n\r", SOFTPACK_VERSION);
TRACE_INFO("-- %s\n\r", BOARD_NAME);
TRACE_INFO("-- Compiled: %s %s --\n\r", __DATE__, __TIME__);
// If they are present, configure Vbus & Wake-up pins
PIO_InitializeInterrupts(0);
// Configure USART
PIO_Configure(pins, PIO_LISTSIZE(pins));
AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_US0;
AT91C_BASE_US0->US_IDR = 0xFFFFFFFF;
USART_Configure(AT91C_BASE_US0,
USART_MODE_ASYNCHRONOUS,
115200,
BOARD_MCK);
USART_SetTransmitterEnabled(AT91C_BASE_US0, 1);
USART_SetReceiverEnabled(AT91C_BASE_US0, 1);
AIC_ConfigureIT(AT91C_ID_US0, 0, ISR_Usart0);
AIC_EnableIT(AT91C_ID_US0);
// Configure timer 0
AT91C_BASE_PMC->PMC_PCER = (1 << AT91C_ID_TC0);
AT91C_BASE_TC0->TC_CCR = AT91C_TC_CLKDIS;
AT91C_BASE_TC0->TC_IDR = 0xFFFFFFFF;
AT91C_BASE_TC0->TC_CMR = AT91C_TC_CLKS_TIMER_DIV5_CLOCK
| AT91C_TC_CPCSTOP
| AT91C_TC_CPCDIS
| AT91C_TC_WAVESEL_UP_AUTO
| AT91C_TC_WAVE;
AT91C_BASE_TC0->TC_RC = 0x00FF;
AT91C_BASE_TC0->TC_IER = AT91C_TC_CPCS;
AIC_ConfigureIT(AT91C_ID_TC0, 0, ISR_Timer0);
AIC_EnableIT(AT91C_ID_TC0);
// BOT driver initialization
CDCDSerialDriver_Initialize();
// connect if needed
VBus_Configure();
// Driver loop
while (1) {
// Device is not configured
if (USBD_GetState() < USBD_STATE_CONFIGURED) {
// Connect pull-up, wait for configuration
USBD_Connect();
while (USBD_GetState() < USBD_STATE_CONFIGURED);
// Start receiving data on the USART
usartCurrentBuffer = 0;
USART_ReadBuffer(AT91C_BASE_US0, usartBuffers[0], DATABUFFERSIZE);
USART_ReadBuffer(AT91C_BASE_US0, usartBuffers[1], DATABUFFERSIZE);
AT91C_BASE_US0->US_IER = AT91C_US_ENDRX
| AT91C_US_FRAME
| AT91C_US_OVER;
AT91C_BASE_TC0->TC_CCR = AT91C_TC_CLKEN | AT91C_TC_SWTRG;
// Start receiving data on the USB
CDCDSerialDriver_Read(usbBuffer,
DATABUFFERSIZE,
(TransferCallback) UsbDataReceived,
0);
}
if( USBState == STATE_SUSPEND ) {
TRACE_DEBUG("suspend !\n\r");
LowPowerMode();
USBState = STATE_IDLE;
}
if( USBState == STATE_RESUME ) {
// Return in normal MODE
TRACE_DEBUG("resume !\n\r");
NormalPowerMode();
USBState = STATE_IDLE;
}
}
}
//------------------------------------------------------------------------------
/// Main function
//------------------------------------------------------------------------------
int main(void)
{
unsigned char key;
unsigned char isValid;
// Configure all pins
PIO_Configure(pins, PIO_LISTSIZE(pins));
LED_Configure(0);
LED_Set(0);
LED_Configure(1);
LED_Set(1);
// Initialize the DBGU
TRACE_CONFIGURE(DBGU_STANDARD, 115200, BOARD_MCK);
// Switch to Main clock
AT91C_BASE_PMC->PMC_MCKR = (AT91C_BASE_PMC->PMC_MCKR & ~AT91C_PMC_CSS) | AT91C_PMC_CSS_MAIN_CLK;
while ((AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MCKRDY) == 0);
// Configure PLL to 98.285MHz
*AT91C_CKGR_PLLR = ((1 << 29) | (171 << AT91C_CKGR_MUL_SHIFT) \
| (0x0 << AT91C_CKGR_OUT_SHIFT) |(0x3f << AT91C_CKGR_PLLCOUNT_SHIFT) \
| (21 << AT91C_CKGR_DIV_SHIFT));
while ((AT91C_BASE_PMC->PMC_SR & AT91C_PMC_LOCK) == 0);
// Configure master clock in two operations
AT91C_BASE_PMC->PMC_MCKR = (( AT91C_PMC_PRES_CLK_2 | AT91C_PMC_CSS_PLLA_CLK) & ~AT91C_PMC_CSS) | AT91C_PMC_CSS_MAIN_CLK;
while ((AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MCKRDY) == 0);
AT91C_BASE_PMC->PMC_MCKR = ( AT91C_PMC_PRES_CLK_2 | AT91C_PMC_CSS_PLLA_CLK);
while ((AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MCKRDY) == 0);
// DBGU reconfiguration
DBGU_Configure(DBGU_STANDARD, 115200, SSC_MCK);
// Configure and enable the TWI (required for accessing the DAC)
*AT91C_PMC_PCER = (1<< AT91C_ID_TWI0);
TWI_ConfigureMaster(AT91C_BASE_TWI0, TWI_CLOCK, SSC_MCK);
TWID_Initialize(&twid, AT91C_BASE_TWI0);
printf("-- OsmoSDR firmware (" BOARD_NAME ") " GIT_REVISION " --\n\r");
printf("-- Compiled: %s %s --\n\r", __DATE__, __TIME__);
req_ctx_init();
PIO_InitializeInterrupts(0);
cmd_state.out = vprintf;
uart_cmd_reset(&cmd_state);
uart_cmds_register(cmds, sizeof(cmds)/sizeof(cmds[0]));
fastsource_init();
VBus_Configure();
power_peripherals(1);
si570_init(&si570, &twid, SI570_I2C_ADDR);
set_si570_freq(30000000);
sam3u_e4k_init(&e4k, &twid, E4K_I2C_ADDR);
e4k.vco.fosc = 30000000;
osdr_fpga_init(SSC_MCK);
//osdr_fpga_reg_write(OSDR_FPGA_REG_ADC_TIMING, (1 << 8) | 255);
//osdr_fpga_reg_write(OSDR_FPGA_REG_PWM1, (1 << 400) | 800);
osdr_fpga_set_iq_swap(0);
ssc_init();
e4k_init(&e4k);
e4k_init(&e4k);
// Enter menu loop
while (1) {
if (DBGU_IsRxReady()) {
key = DBGU_GetChar();
// Process user input
if (uart_cmd_char(&cmd_state, key) == 1) {
//ssc_stats();
}
}
ssc_dma_start();
fastsource_start();
}
}
/**
* Initializes drivers and start the USB CDCHID device.
*/
int main(void)
{
uint8_t usbConnected = 0, serialON = 0;
/* Disable watchdog */
WDT_Disable( WDT );
printf("-- USB CDCHID Device Project %s --\n\r", SOFTPACK_VERSION);
printf("-- %s\n\r", BOARD_NAME);
printf("-- Compiled: %s %s --\n\r", __DATE__, __TIME__);
/* If they are present, configure Vbus & Wake-up pins */
PIO_InitializeInterrupts(0);
/* If there is on board power, switch it off */
/* Enable UPLL for USB */
ConfigureUsbClock();
/* Configure timer 0 */
ConfigureTc0();
/* ----- CDC Function Initialize */
/* Configure USART */
ConfigureUsart();
/* ----- HID Function Initialize */
/* Initialize key statuses and configure push buttons */
PIO_Configure(pinsPushButtons, PIO_LISTSIZE(pinsPushButtons));
memset(keyStatus, 1, NUM_KEYS);
/* Configure LEDs */
LED_Configure(LED_NUMLOCK);
/* USB CDCHID driver initialization */
CDCHIDDDriver_Initialize(&cdchiddDriverDescriptors);
/* connect if needed */
VBus_Configure();
/* Driver loop */
while (1) {
/* Device is not configured */
if (USBD_GetState() < USBD_STATE_CONFIGURED) {
if (usbConnected) {
printf("-I- USB Disconnect/Suspend\n\r");
usbConnected = 0;
/* Serial port closed */
isSerialPortON = 0;
}
}
else {
if (usbConnected == 0) {
printf("-I- USB Connect\n\r");
usbConnected = 1;
}
if (!serialON && isSerialPortON) {
printf("-I- SerialPort ON\n\r");
/* Start receiving data on the USART */
usartCurrentBuffer = 0;
USART_ReadBuffer(BASE_USART,
usartBuffers[0], DATABUFFERSIZE);
USART_ReadBuffer(BASE_USART,
usartBuffers[1], DATABUFFERSIZE);
BASE_USART->US_IER = US_CSR_ENDRX
| US_CSR_FRAME
| US_CSR_OVRE;
/* Start receiving data on the USB */
CDCDSerial_Read(usbSerialBuffer0,
DATABUFFERSIZE,
(TransferCallback) UsbDataReceived,
0);
serialON = 1;
}
else if (serialON && !isSerialPortON) {
printf("-I- SeriaoPort OFF\n\r");
serialON = 0;
}
HIDDKeyboardProcessKeys();
}
}
}
