C++ (Cpp) req_ctx_init Examples

Example #1

File: main.c Project: 12019/openpcd

int main(void)
{
	/* initialize LED and debug unit */
	led_init();
	sysirq_init();
	AT91F_DBGU_Init();

	AT91F_PIOA_CfgPMC();
	wdt_init();
	pit_init();
	blinkcode_init();

	/* initialize USB */
	req_ctx_init();
	usbcmd_gen_init();
	udp_open();

	/* call application specific init function */
	_init_func();

	// Enable User Reset and set its minimal assertion to 960 us
	AT91C_BASE_RSTC->RSTC_RMR =
	    AT91C_RSTC_URSTEN | (0x4 << 8) | (unsigned int)(0xA5 << 24);

#ifdef DEBUG_CLOCK_PA6
	AT91F_PMC_EnablePCK(AT91C_BASE_PMC, 0, AT91C_PMC_CSS_PLL_CLK);
	AT91F_PIO_CfgPeriph(AT91C_BASE_PIOA, 0, AT91C_PA6_PCK0);
#endif

	/* switch on first led */
	led_switch(2, 1);

	DEBUGPCRF("entering main (idle) loop");
	while (1) {
		/* Call application specific main idle function */
		_main_func();
		dbgu_rb_flush();
		
		/* restart watchdog timer */
		wdt_restart();
#ifdef CONFIG_IDLE
		//cpu_idle();
#endif
	}
}

Example #2

File: main.c Project: JiaoXianjun/osmo-sdr

//------------------------------------------------------------------------------
/// 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();
    }
}