Exemplo n.º 1
0
void mcu_init(void) {

  mcu_arch_init();

#ifdef PERIPHERALS_AUTO_INIT
  sys_time_init();
#ifdef USE_LED
  led_init();
#endif
  /* for now this means using spektrum */
#if defined RADIO_CONTROL & defined RADIO_CONTROL_SPEKTRUM_PRIMARY_PORT & defined RADIO_CONTROL_BIND_IMPL_FUNC
  RADIO_CONTROL_BIND_IMPL_FUNC();
#endif
#ifdef USE_UART0
  uart0_init();
#endif
#ifdef USE_UART1
  uart1_init();
#endif
#ifdef USE_UART2
  uart2_init();
#endif
#ifdef USE_UART3
  uart3_init();
#endif
#ifdef USE_UART4
  uart4_init();
#endif
#ifdef USE_UART5
  uart5_init();
#endif
#ifdef USE_I2C0
  i2c0_init();
#endif
#ifdef USE_I2C1
  i2c1_init();
#endif
#ifdef USE_I2C2
  i2c2_init();
#endif
#ifdef USE_ADC
  adc_init();
#endif
#ifdef USE_USB_SERIAL
  VCOM_init();
#endif

#if USE_SPI
#if SPI_MASTER

#if USE_SPI0
  spi0_init();
#endif
#if USE_SPI1
  spi1_init();
#endif
#if USE_SPI2
  spi2_init();
#endif
  spi_init_slaves();
#endif // SPI_MASTER

#if SPI_SLAVE
#if USE_SPI0_SLAVE
  spi0_slave_init();
#endif
#if USE_SPI1_SLAVE
  spi1_slave_init();
#endif
#if USE_SPI2_SLAVE
  spi2_slave_init();
#endif
#endif // SPI_SLAVE
#endif // USE_SPI

#ifdef USE_DAC
  dac_init();
#endif
#endif /* PERIPHERALS_AUTO_INIT */

}
Exemplo n.º 2
0
void init_ap( void ) {
#ifndef SINGLE_MCU /** init done in main_fbw in single MCU */
  hw_init();
  sys_time_init();

#ifdef LED
  led_init();
#endif

#ifdef ADC
  adc_init();
#endif
#endif /* SINGLE_MCU */

  /************* Sensors initialization ***************/
#ifdef USE_INFRARED
  ir_init();
#endif
#ifdef USE_GYRO
  gyro_init();
#endif
#ifdef USE_GPS
  gps_init();
#endif
#ifdef USE_UART0
  Uart0Init();
#endif
#ifdef USE_UART1
  Uart1Init();
#endif
#ifdef USE_UART2
  Uart2Init();
#endif
#ifdef USE_UART3
  Uart3Init();
#endif
#ifdef USE_USB_SERIAL
  VCOM_init();
#endif

#ifdef USE_GPIO
  GpioInit();
#endif

#ifdef USE_I2C0
  i2c0_init();
#endif
#ifdef USE_I2C1
  i2c1_init();
#endif
#ifdef USE_I2C2
  i2c2_init();
#endif

  /************* Links initialization ***************/
#if defined USE_SPI
  spi_init();
#endif
#if defined MCU_SPI_LINK
  link_mcu_init();
#endif
#ifdef MODEM
  modem_init();
#endif

  /************ Internal status ***************/
  h_ctl_init();
  v_ctl_init();
  estimator_init();
#ifdef ALT_KALMAN
  alt_kalman_init();
#endif
  nav_init();

  modules_init();

  /** - start interrupt task */
  int_enable();

  /** wait 0.5s (historical :-) */
  sys_time_usleep(500000);

#if defined GPS_CONFIGURE
  gps_configure_uart();
#endif

#if defined DATALINK

#if DATALINK == XBEE
  xbee_init();
#endif
#endif /* DATALINK */

#if defined AEROCOMM_DATA_PIN
  IO0DIR |= _BV(AEROCOMM_DATA_PIN);
  IO0SET = _BV(AEROCOMM_DATA_PIN);
#endif

  power_switch = FALSE;

  /************ Multi-uavs status ***************/

#ifdef TRAFFIC_INFO
  traffic_info_init();
#endif

}
Exemplo n.º 3
0
int main(void)
{
    DBG_LED_ENA;
    DBG_1_ENA;
    DBG_1_OFF;
    DBG_2_ENA;
    DBG_2_OFF;
    DBG_3_ENA;
    DBG_3_OFF;

    debug_code_init();

    CLK_init();

    ADC0_init();

    SR_EXP_Init();

#ifdef RGB_MATRIX_ENABLE
    i2c1_init();
#endif // RGB_MATRIX_ENABLE

    matrix_init();

    USB2422_init();

    DBGC(DC_MAIN_UDC_START_BEGIN);
    udc_start();
    DBGC(DC_MAIN_UDC_START_COMPLETE);

    DBGC(DC_MAIN_CDC_INIT_BEGIN);
    CDC_init();
    DBGC(DC_MAIN_CDC_INIT_COMPLETE);

    while (USB2422_Port_Detect_Init() == 0) {}

    DBG_LED_OFF;

#ifdef RGB_MATRIX_ENABLE
    while (I2C3733_Init_Control() != 1) {}
    while (I2C3733_Init_Drivers() != 1) {}

    I2C_DMAC_LED_Init();

    i2c_led_q_init();

    for (uint8_t drvid = 0; drvid < ISSI3733_DRIVER_COUNT; drvid++)
        I2C_LED_Q_ONOFF(drvid); //Queue data
#endif // RGB_MATRIX_ENABLE

    keyboard_setup();

    keyboard_init();

    host_set_driver(&arm_atsam_driver);

#ifdef CONSOLE_ENABLE
    uint64_t next_print = 0;
#endif //CONSOLE_ENABLE

    v_5v_avg = adc_get(ADC_5V);

    debug_code_disable();

    while (1)
    {
        main_subtasks(); //Note these tasks will also be run while waiting for USB keyboard polling intervals

        if (g_usb_state == USB_FSMSTATUS_FSMSTATE_SUSPEND_Val || g_usb_state == USB_FSMSTATUS_FSMSTATE_SLEEP_Val)
        {
            if (suspend_wakeup_condition())
            {
                udc_remotewakeup(); //Send remote wakeup signal
                wait_ms(50);
            }

            continue;
        }

        keyboard_task();

#ifdef CONSOLE_ENABLE
        if (timer_read64() > next_print)
        {
            next_print = timer_read64() + 250;
            //Add any debug information here that you want to see very often
            //dprintf("5v=%u 5vu=%u dlow=%u dhi=%u gca=%u gcd=%u\r\n", v_5v, v_5v_avg, v_5v_avg - V5_LOW, v_5v_avg - V5_HIGH, gcr_actual, gcr_desired);
        }
#endif //CONSOLE_ENABLE
    }


    return 1;
}
Exemplo n.º 4
0
/*
Configure PLL1 to min speed (48MHz) => see cpu_clock_pll1_low_speed() .
Configure PLL0USB @480MHz for USB0.
Note: PLL1 clock is used by M4/M0 core, Peripheral, APB1, APB3.
*/
void sys_clock_init(const airspy_sys_clock_t* const pt_airspy_sys_conf)
{
  /* After boot the CPU runs at 96 MHz */
  /* cpu runs from: IRC (12MHz) >> PLL M = 24, FCCO @ 288 MHz direct mode >> IDIVC = 4 >> 96 MHz */

  /*
   * 12MHz clock is entering LPC XTAL1/OSC input now.
   */
  /* set xtal oscillator to low frequency mode */
  CGU_XTAL_OSC_CTRL &= ~CGU_XTAL_OSC_CTRL_HF;

  /* power on the oscillator and wait until stable */
  CGU_XTAL_OSC_CTRL &= ~CGU_XTAL_OSC_CTRL_ENABLE;

  /* Wait at least 250us after Crystal Power ON (Wait for crystal to stabilize) 
     defined in User Manual 10503.pdf Rev1.8 See Fig 30. BASE_M4_CLK ramp-up procedure 
  */
  delay(WAIT_CPU_CLOCK_INIT_DELAY);

  /* Use CGU_SRC_XTAL as clock source for BASE_M4_CLK (CPU) */
  CGU_BASE_M4_CLK = (CGU_BASE_M4_CLK_CLK_SEL(CGU_SRC_XTAL) | CGU_BASE_M4_CLK_AUTOBLOCK);

  /* Use CGU_SRC_XTAL as clock source for Peripheral */
  CGU_BASE_PERIPH_CLK = CGU_BASE_PERIPH_CLK_AUTOBLOCK
      | CGU_BASE_PERIPH_CLK_CLK_SEL(CGU_SRC_XTAL);

  /* Use CGU_SRC_XTAL as clock source for APB1 */
  CGU_BASE_APB1_CLK = CGU_BASE_APB1_CLK_AUTOBLOCK
      | CGU_BASE_APB1_CLK_CLK_SEL(CGU_SRC_XTAL);

  /* Use CGU_SRC_XTAL as clock source for APB3 */
  CGU_BASE_APB3_CLK = CGU_BASE_APB3_CLK_AUTOBLOCK
      | CGU_BASE_APB3_CLK_CLK_SEL(CGU_SRC_XTAL);

  /* ********************** */
  /*  SI5351c configuration */
  /* ********************** */
  /*
   * xxMHz clock is entering LPC GP_CLKIN (from SI5351C) input now.
   * AirSpy clocks:
   *   CLK0 -> R820T xxMHz (XTAL_I)
   *   CLK1 -> LPC4370 RTC 32KHz
   *   CLK2 -> SGPIO Clock (not used for future)
   *   CLK3 -> NC
   *   CLK4 -> NC
   *   CLK5 -> NC
   *   CLK6 -> NC
   *   CLK7 -> LPC4370 Main Clock xxMHz.
   */
  /* Configure I2C0 (for SI5351C) to about 375kHz (12MHz/(2*16)=0.375MHz) when we switch over to APB1 clock = 12MHz */
  i2c0_init(16);

  si5351c_disable_oeb_pin_control();

  /* Programming the Si5351 via I2C http://community.silabs.com/t5/Silicon-Labs-Knowledge-Base/Programming-the-Si5351-via-I2C/ta-p/112251
  */
  si5351c_disable_all_outputs();
  si5351c_init_fanout();
  si5351c_power_down_all_clocks();
  si5351c_init_xtal();
  si5351c_read[0] = si5351c_read_single(0);

  /* Configure and enable SI5351C clocks */
  si5351c_read[1] = (si5351c_read_single(0) & SI5351C_REG0_CLKIN_LOS);
  /* CLKIN Loss Of Signal (LOS) ? */
  if(si5351c_read[1] == SI5351C_REG0_CLKIN_LOS)
      si5351c_airspy_config(AIRSPY_SI5351C_CONFIG_XTAL);
  else
      si5351c_airspy_config(AIRSPY_SI5351C_CONFIG_CLKIN);

  si5351c_read[2] = si5351c_read_single(0);

  si5351c_init_pll_soft_reset();
  si5351c_enable_clock_outputs();

  /* Wait at least 300us after SI5351C Clock Enable */
  delay(WAIT_CPU_CLOCK_INIT_DELAY);
  si5351c_read[3] = si5351c_read_single(0);

  /* ********************************************************************* */
  /*  M4/M0 core, Peripheral, APB1, APB3 Configuration (PLL1 clock source) */
  /* ********************************************************************* */
  /* Configure PLL1 with CGU_SRC_GP_CLKIN as source clock */
  cpu_clock_pll1_low_speed(&pt_airspy_sys_conf->pll1_ls);

  /* Configure I2C0 (for SI5351C) to 400kHz when we switch over to APB1 clock = PLL1 */
  i2c0_init(AIRSPY_I2C0_PLL1_LS_HS_CONF_VAL);
  /* Configure I2C1 (for R820T) to 400kHz when we switch over to APB3 clock = PLL1 */
  i2c1_init(AIRSPY_I2C1_PLL1_LS_CONF_VAL);

  /* ************************************************** */
  /* Connect PLL1 to M4/M0 core, Peripheral, APB1, APB3 */
  /* ************************************************** */
  /* Use PLL1 as clock source for BASE_M4_CLK (CPU) */
  CGU_BASE_M4_CLK = (CGU_BASE_M4_CLK_CLK_SEL(CGU_SRC_PLL1) | CGU_BASE_M4_CLK_AUTOBLOCK);

  /* Switch peripheral clock over to use PLL1 */
  CGU_BASE_PERIPH_CLK = CGU_BASE_PERIPH_CLK_AUTOBLOCK
      | CGU_BASE_PERIPH_CLK_CLK_SEL(CGU_SRC_PLL1);

  /* Switch APB1 clock over to use PLL1 */
  CGU_BASE_APB1_CLK = CGU_BASE_APB1_CLK_AUTOBLOCK
      | CGU_BASE_APB1_CLK_CLK_SEL(CGU_SRC_PLL1);

  /* Switch APB3 clock over to use PLL1 */
  CGU_BASE_APB3_CLK = CGU_BASE_APB3_CLK_AUTOBLOCK
      | CGU_BASE_APB3_CLK_CLK_SEL(CGU_SRC_PLL1);

  /* **************************************************** */
  /* PLL0USB & USB0 Configuration (GP_CLKIN clock source) */
  /* **************************************************** */
  /* Use CGU_SRC_GP_CLKIN as clock source for PLL0USB */
  CGU_PLL0USB_CTRL = CGU_PLL0USB_CTRL_PD
      | CGU_PLL0USB_CTRL_AUTOBLOCK
      | CGU_PLL0USB_CTRL_CLK_SEL(CGU_SRC_GP_CLKIN);
  while (CGU_PLL0USB_STAT & CGU_PLL0USB_STAT_LOCK);

  /* configure PLL0USB to produce 480 MHz clock from CGU_SRC_GP_CLKIN */
  CGU_PLL0USB_MDIV = pt_airspy_sys_conf->pll0_usb_mdiv;
  CGU_PLL0USB_NP_DIV = pt_airspy_sys_conf->pll0_usb_npdiv;
  CGU_PLL0USB_CTRL |= (CGU_PLL0USB_CTRL_PD
      | pt_airspy_sys_conf->pll0usb_ctrl_flags
      | CGU_PLL0USB_CTRL_CLKEN);

  /* Power on PLL0USB and wait until stable */
  CGU_PLL0USB_CTRL &= ~CGU_PLL0USB_CTRL_PD;
  while (!(CGU_PLL0USB_STAT & CGU_PLL0USB_STAT_LOCK));

  /* Use PLL0USB as clock source for USB0 */
  CGU_BASE_USB0_CLK = CGU_BASE_USB0_CLK_AUTOBLOCK
      | CGU_BASE_USB0_CLK_CLK_SEL(CGU_SRC_PLL0USB);

  /* ****************************************** */
  /* Disable/PowerDown unused clock/peripherals */
  /* ****************************************** */
  CREG_CREG6 |= (1<<17); // PowerDown RNG

  /* Disable XTAL because GP_CLKIN is used from SI5351C instead */
  /* Switch off the oscillator */
  CGU_XTAL_OSC_CTRL = CGU_XTAL_OSC_CTRL_ENABLE;

  CGU_BASE_SAFE_CLK = CGU_BASE_USB1_CLK_PD;
  // CGU_BASE_USB0_CLK is used for USB0 HS
  // CGU_BASE_M0_CLK is used
  /* Switch off USB1 clock */
  CGU_BASE_USB1_CLK = CGU_BASE_USB1_CLK_PD;
  // CGU_BASE_M4_CLK is used
  CGU_BASE_SPIFI_CLK = CGU_BASE_SPIFI_CLK_PD;
  /* Switch off SPI clock */
  CGU_BASE_SPI_CLK = CGU_BASE_SPI_CLK_PD;
  /* Switch off PHY RX & TX clock */
  CGU_BASE_PHY_RX_CLK = CGU_BASE_PHY_RX_CLK_PD;
  CGU_BASE_PHY_TX_CLK = CGU_BASE_PHY_TX_CLK_PD;
  // CGU_BASE_APB1_CLK is used for I2C0
  // CGU_BASE_APB3_CLK is used for I2C1
  /* Switch off LCD clock */
  CGU_BASE_LCD_CLK = CGU_BASE_LCD_CLK_PD;
  // CGU_BASE_ADCHS_CLK is used
  /* Switch off SDIO clock */
  CGU_BASE_SDIO_CLK = CGU_BASE_SDIO_CLK_PD;
  CGU_BASE_SSP0_CLK = CGU_BASE_SSP0_CLK_PD;
#ifdef AIRSPY_NOS
  /* Switch off SSP1 clock */
  CGU_BASE_SSP1_CLK = CGU_BASE_SSP1_CLK_PD;
#else /* AIRSPY One/Demo */
  //CGU_BASE_SSP1_CLK is used for LED
#endif
  /* Switch off UART0 to 3 clock */
  CGU_BASE_UART0_CLK = CGU_BASE_UART0_CLK_PD;
  CGU_BASE_UART1_CLK = CGU_BASE_UART1_CLK_PD;
  CGU_BASE_UART2_CLK = CGU_BASE_UART2_CLK_PD;
  CGU_BASE_UART3_CLK = CGU_BASE_UART3_CLK_PD;
  /*  Switch off OUT clocks */
  CGU_BASE_OUT_CLK = CGU_BASE_OUT_CLK_PD;
  /* Reserved/Undocumented clocks power down */
  CGU_OUTCLK_21_CTRL = 1;
  CGU_OUTCLK_22_CTRL = 1;
  CGU_OUTCLK_23_CTRL = 1;
  CGU_OUTCLK_24_CTRL = 1;
  /* Switch off AUDIO clock */
  CGU_BASE_APLL_CLK = CGU_BASE_APLL_CLK_PD;
  CGU_BASE_CGU_OUT0_CLK = CGU_BASE_CGU_OUT0_CLK_PD;
  CGU_BASE_CGU_OUT1_CLK = CGU_BASE_CGU_OUT1_CLK_PD;
  /* Switch off IDIV C,D,E disabled */
  CGU_IDIVC_CTRL = CGU_IDIVC_CTRL_PD;
  CGU_IDIVD_CTRL = CGU_IDIVD_CTRL_PD;
  CGU_IDIVE_CTRL = CGU_IDIVE_CTRL_PD;
/*
  // Power down M4 branches, but not BUS, GPIO, CREG and M0 & M4 CORE clock
*/
  //CCU1_CLK_M4_BUS_CFG &= ~(1);
  CCU1_CLK_M4_SPIFI_CFG &= ~(1);
  //CCU1_CLK_M4_GPIO_CFG &= ~(1);
  CCU1_CLK_M4_LCD_CFG &= ~(1);
  CCU1_CLK_M4_ETHERNET_CFG &= ~(1);
  //CCU1_CLK_M4_USB0_CFG &= ~(1);
  CCU1_CLK_M4_EMC_CFG &= ~(1);
  CCU1_CLK_M4_SDIO_CFG &= ~(1);
  //CCU1_CLK_M4_DMA_CFG &= ~(1);
  //CCU1_CLK_M4_M4CORE_CFG &= ~(1);
  CCU1_CLK_M4_SCT_CFG &= ~(1);
  CCU1_CLK_M4_USB1_CFG &= ~(1);
  CCU1_CLK_M4_EMCDIV_CFG &= ~(1);
  //CCU1_CLK_M4_M0APP_CFG &= ~(1);
  //CCU1_CLK_M4_VADC_CFG &= ~(1);
  CCU1_CLK_M4_WWDT_CFG &= ~(1);
  CCU1_CLK_M4_USART0_CFG &= ~(1);
  CCU1_CLK_M4_UART1_CFG &= ~(1);
  CCU1_CLK_M4_SSP0_CFG &= ~(1);
#ifdef AIRSPY_NOS
  CCU1_CLK_M4_SSP1_CFG &= ~(1);
#else /* AIRSPY One/Demo */
  //CCU1_CLK_M4_SSP1_CFG is used for LED
#endif
  CCU1_CLK_M4_TIMER0_CFG &= ~(1);
  CCU1_CLK_M4_TIMER1_CFG &= ~(1);
  //CCU1_CLK_M4_SCU_CFG &= ~(1);
  //CCU1_CLK_M4_CREG_CFG &= ~(1);
  CCU1_CLK_M4_RITIMER_CFG &= ~(1);
  CCU1_CLK_M4_USART2_CFG &= ~(1);
  CCU1_CLK_M4_USART3_CFG &= ~(1);
  CCU1_CLK_M4_TIMER2_CFG &= ~(1);
  CCU1_CLK_M4_TIMER3_CFG &= ~(1);

  CCU1_CLK_M4_QEI_CFG &= ~(1);

  CCU1_CLK_PERIPH_SGPIO_CFG &= ~(1);

  /* ******************************************** */
  /*  ADCHS Configuration (GP_CLKIN clock source) */
  /* ******************************************** */
  sys_clock_samplerate(&airspy_m4_conf[0]);
}
Exemplo n.º 5
0
void mcu_init(void) {

  mcu_arch_init();

#ifdef PERIPHERALS_AUTO_INIT
  sys_time_init();
#ifdef USE_LED
  led_init();
#endif
  /* for now this means using spektrum */
#if defined RADIO_CONTROL & defined RADIO_CONTROL_SPEKTRUM_PRIMARY_PORT & defined RADIO_CONTROL_BIND_IMPL_FUNC
  RADIO_CONTROL_BIND_IMPL_FUNC();
#endif
#if USE_UART0
  uart0_init();
#endif
#if USE_UART1
  uart1_init();
#endif
#if USE_UART2
  uart2_init();
#endif
#if USE_UART3
  uart3_init();
#endif
#if USE_UART4
  uart4_init();
#endif
#if USE_UART5
  uart5_init();
#endif
#if USE_UART6
  uart6_init();
#endif
#ifdef USE_I2C0
  i2c0_init();
#endif
#ifdef USE_I2C1
  i2c1_init();
#endif
#ifdef USE_I2C2
  i2c2_init();
#endif
#ifdef USE_I2C3
  i2c3_init();
#endif
#if USE_ADC
  adc_init();
#endif
#if USE_USB_SERIAL
  VCOM_init();
#endif

#if USE_SPI
#if SPI_MASTER

#if USE_SPI0
  spi0_init();
#endif
#if USE_SPI1
  spi1_init();
#endif
#if USE_SPI2
  spi2_init();
#endif
#if USE_SPI3
  spi3_init();
#endif
  spi_init_slaves();
#endif // SPI_MASTER

#if SPI_SLAVE
#if USE_SPI0_SLAVE
  spi0_slave_init();
#endif
#if USE_SPI1_SLAVE
  spi1_slave_init();
#endif
#if USE_SPI2_SLAVE
  spi2_slave_init();
#endif
#if USE_SPI3_SLAVE
  spi3_slave_init();
#endif
#endif // SPI_SLAVE

#if SPI_SLAVE_HS
  spi_slave_hs_init();
#endif
#endif // USE_SPI

#ifdef USE_DAC
  dac_init();
#endif

#ifdef USE_UDP0
  UDP0Init();
#endif
#ifdef USE_UDP1
  UDP1Init();
#endif
#ifdef USE_UDP2
  UDP2Init();
#endif

#else
INFO("PERIPHERALS_AUTO_INIT not enabled! Peripherals (including sys_time) need explicit initialization.")
#endif /* PERIPHERALS_AUTO_INIT */

}