예제 #1
0
void chb_drvr_init()
{
    // ToDo: Make sure gpioInit has been called
    // ToDo: Make sure CT32B0 has been initialised and enabled

    // config SPI for at86rf230 access
    chb_spi_init();

    // Setup 16-bit timer 0 (used for us delays)
    timer16Init(0, 0xFFFF);
    timer16Enable(0);

    // Set sleep and reset as output
    gpioSetDir(CHB_SLPTRPORT, CHB_SLPTRPIN, 1);
    gpioSetDir(CHB_RSTPORT, CHB_RSTPIN, 1);

    // configure IOs
    gpioSetValue(CHB_SLPTRPORT, CHB_SLPTRPIN, 1);  // Set sleep high
    gpioSetValue(CHB_RSTPORT, CHB_RSTPIN, 1);      // Set reset high

    // Set internal resistors
    gpioSetPullup (&CHB_SLPTRPIN_IOCONREG, gpioPullupMode_Inactive);
    gpioSetPullup (&CHB_RSTPIN_IOCONREG, gpioPullupMode_Inactive);

    // config radio
    chb_radio_init();
}
예제 #2
0
파일: nrf24l01p.c 프로젝트: DanBUK/r0ket
void nrf_init() {
    // Enable SPI correctly
    sspInit(0, sspClockPolarity_Low, sspClockPhase_RisingEdge);

    // Enable CS & CE pins
    gpioSetDir(RB_SPI_NRF_CS, gpioDirection_Output);
    gpioSetPullup(&RB_SPI_NRF_CS_IO, gpioPullupMode_Inactive);
    gpioSetDir(RB_NRF_CE, gpioDirection_Output);
    gpioSetPullup(&RB_NRF_CE_IO, gpioPullupMode_PullUp);
    CE_LOW();

    // Setup for nrf24l01+
    // power up takes 1.5ms - 3.5ms (depending on crystal)
    CS_LOW();
    nrf_write_reg(R_CONFIG,
            R_CONFIG_PRIM_RX| // Receive mode
            R_CONFIG_PWR_UP|  // Power on
            R_CONFIG_EN_CRC   // CRC on, single byte
            );
    
    nrf_write_reg(R_EN_AA, 0); // Disable Enhanced ShockBurst;

    // Set speed / strength
    nrf_write_reg(R_RF_SETUP,DEFAULT_SPEED|R_RF_SETUP_RF_PWR_3);

    // Clear MAX_RT, just in case.
    nrf_write_reg(R_STATUS,R_STATUS_MAX_RT);
};
예제 #3
0
void ds18b20Init(uint32_t portNumber, uint32_t bitPosition, volatile uint32_t *ioconReg) {
    portNum = portNumber;
    bitPos = bitPosition;
    timer16Init(1, TIMER16_DEFAULTINTERVAL);
    timer16Enable(1);
    gpioSetPullup(ioconReg, gpioPullupMode_Inactive);
}
예제 #4
0
void usbHIDInit (void)
{
  // Setup USB clock
  SCB_PDRUNCFG &= ~(SCB_PDSLEEPCFG_USBPAD_PD);        // Power-up USB PHY
  SCB_PDRUNCFG &= ~(SCB_PDSLEEPCFG_USBPLL_PD);        // Power-up USB PLL

  SCB_USBPLLCLKSEL = SCB_USBPLLCLKSEL_SOURCE_MAINOSC; // Select PLL Input
  SCB_USBPLLCLKUEN = SCB_USBPLLCLKUEN_UPDATE;         // Update Clock Source
  SCB_USBPLLCLKUEN = SCB_USBPLLCLKUEN_DISABLE;        // Toggle Update Register
  SCB_USBPLLCLKUEN = SCB_USBPLLCLKUEN_UPDATE;

  // Wait until the USB clock is updated
  while (!(SCB_USBPLLCLKUEN & SCB_USBPLLCLKUEN_UPDATE));

  // Set USB clock to 48MHz (12MHz x 4)
  SCB_USBPLLCTRL = (SCB_USBPLLCTRL_MULT_4);
  while (!(SCB_USBPLLSTAT & SCB_USBPLLSTAT_LOCK));    // Wait Until PLL Locked
  SCB_USBCLKSEL = SCB_USBCLKSEL_SOURCE_USBPLLOUT;

  // Set USB pin functions
  IOCON_PIO0_1 &= ~IOCON_PIO0_1_FUNC_MASK;
  IOCON_PIO0_1 |= IOCON_PIO0_1_FUNC_CLKOUT;           // CLK OUT
  IOCON_PIO0_3 &= ~IOCON_PIO0_3_FUNC_MASK;
  IOCON_PIO0_3 |= IOCON_PIO0_3_FUNC_USB_VBUS;         // VBus
  IOCON_PIO0_6 &= ~IOCON_PIO0_6_FUNC_MASK;
  IOCON_PIO0_6 |= IOCON_PIO0_6_FUNC_USB_CONNECT;      // Soft Connect

  // Disable internal resistor on VBUS (0.3)
  gpioSetPullup(&IOCON_PIO0_3, gpioPullupMode_Inactive);

  // HID Device Info
  volatile int n;
  HidDevInfo.idVendor = USB_VENDOR_ID;
  HidDevInfo.idProduct = USB_PROD_ID;
  HidDevInfo.bcdDevice = USB_DEVICE; 
  HidDevInfo.StrDescPtr = (uint32_t)&USB_HIDStringDescriptor[0];
  HidDevInfo.InReportCount = sizeof(usbhid_out_t);
  HidDevInfo.OutReportCount = 1;
  HidDevInfo.SampleInterval = 0x20;
  HidDevInfo.InReport = usbHIDGetInReport;
  HidDevInfo.OutReport = usbHIDSetOutReport;

  DeviceInfo.DevType = USB_DEVICE_CLASS_HUMAN_INTERFACE;
  DeviceInfo.DevDetailPtr = (uint32_t)&HidDevInfo;
  
  /* Enable Timer32_1, IOCON, and USB blocks (for USB ROM driver) */
  SCB_SYSAHBCLKCTRL |= (SCB_SYSAHBCLKCTRL_CT32B1 | SCB_SYSAHBCLKCTRL_IOCON | SCB_SYSAHBCLKCTRL_USB_REG);

  /* Use pll and pin init function in rom */
  /* Warning: This will also set the system clock to 48MHz! */
  // (*rom)->pUSBD->init_clk_pins();   

  /* insert a delay between clk init and usb init */
  for (n = 0; n < 75; n++) {__asm("nop");}

  (*rom)->pUSBD->init(&DeviceInfo); /* USB Initialization */
  (*rom)->pUSBD->connect(true);     /* USB Connect */
}
uint8_t i2cInit(uint8_t instance, uint32_t clock){
    uint8_t i;

    if(instance >= I2C_NUM_INSTANCES) return I2C_ERR_INVAL;

    gpioSetFun(pins[instance][0], GPIO_FUNC_GPIO);
    gpioSetFun(pins[instance][1], GPIO_FUNC_GPIO);
    gpioSetPullup(pins[instance][0], 1);
    gpioSetPullup(pins[instance][1], 1);
    gpioSetDir(pins[instance][0], 0);
    gpioSetDir(pins[instance][1], 0);
    gpioSetVal(pins[instance][0], 0);
    gpioSetVal(pins[instance][1], 0);
    sdaHi(instance);
    sclHi(instance);
    delayTicks[instance] = (TICKS_PER_MS * 1000) / (8 * clock * 2);
    i2cDelay(instance);
    i2cDelay(instance);
    for (i = 0; i < 100; i++)       // Try to reset the bus
        i2cBitTx(instance, 1);
    i2cStop(instance);

#if !I2C_BITBANG
    PMC_EnablePeripheral(instance ? ID_TWI1 : ID_TWI0);
    gpioSetFun(pins[instance][0], GPIO_FUNC_A);
    gpioSetFun(pins[instance][1], GPIO_FUNC_A);
    TWI_ConfigureMaster(instance ? TWI1 : TWI0, clock, BOARD_MCK);

#if I2C_INT_PDC
    NVIC_EnableIRQ(instance ? TWI1_IRQn : TWI0_IRQn);
    if (instance)
        TWI1->TWI_IDR = 0x00F77;
    else
        TWI0->TWI_IDR = 0x00F77;
#endif

#endif


    return I2C_ALL_OK;
}
예제 #6
0
void rbInit() {
  RB_HB0_IO &= ~IOCON_SWDIO_PIO1_3_FUNC_MASK;
  RB_HB0_IO |=  IOCON_SWDIO_PIO1_3_FUNC_GPIO;
  RB_HB1_IO &= ~IOCON_JTAG_TCK_PIO0_10_FUNC_MASK;
  RB_HB1_IO |=  IOCON_JTAG_TCK_PIO0_10_FUNC_GPIO;

  struct {
    int port;
    int pin;
    uint32_t volatile *reg;
    gpioPullupMode_t mode;
  } const input_pins[] = {
    { RB_BTN0    , &RB_BTN0_IO    , gpioPullupMode_PullUp },
    { RB_BTN1    , &RB_BTN1_IO    , gpioPullupMode_PullUp },
    { RB_BTN2    , &RB_BTN2_IO    , gpioPullupMode_PullUp },
    { RB_BTN3    , &RB_BTN3_IO    , gpioPullupMode_PullUp },
    { RB_BTN4    , &RB_BTN4_IO    , gpioPullupMode_PullUp },
    { RB_HB0     , &RB_HB0_IO     , gpioPullupMode_PullUp },
    { RB_HB1     , &RB_HB1_IO     , gpioPullupMode_PullUp },
    { RB_PWR_CHRG, &RB_PWR_CHRG_IO, gpioPullupMode_PullUp }
  };

  for(int i = 0; i < ARRAY_SIZE(input_pins); ++i) {
    gpioSetDir(input_pins[i].port, input_pins[i].pin, gpioDirection_Input);
    gpioSetPullup(input_pins[i].reg, input_pins[i].mode);
  }

  // LED3 zur Bestimmung der Umgebungshelligkeit.
  gpioSetDir(RB_LED3, gpioDirection_Input);
  RB_LED3_IO = (RB_LED3_IO & IOCON_PIO1_11_FUNC_MASK) | IOCON_PIO1_11_FUNC_AD7;

  // prepare LEDs
  IOCON_JTAG_TDI_PIO0_11 &= ~IOCON_JTAG_TDI_PIO0_11_FUNC_MASK;
  IOCON_JTAG_TDI_PIO0_11 |=  IOCON_JTAG_TDI_PIO0_11_FUNC_GPIO;

  struct {
    int port;
    int pin;
    int value;
  } const output_pins[] = {
    { RB_PWR_GOOD , 0 },
    { USB_CONNECT , 1 },
    { RB_LCD_CS   , 1 },
    { RB_SPI_CS_DF, 1 },
    { RB_SPI_SS2 , 1 },
    { RB_SPI_SS3 , 1 },
    { RB_SPI_SS4 , 1 },
    { RB_SPI_SS5 , 1 },
    { RB_LED0    , 0 },
    { RB_LED1    , 0 },
    { RB_LED2    , 0 },
    { RB_LCD_BL  , 0 },
    { RB_HB2     , 1 },
    { RB_HB3     , 1 },
    { RB_HB4     , 1 },
    { RB_HB5     , 1 }
  };

  for(int i = 0; i < ARRAY_SIZE(output_pins); ++i) {
    gpioSetDir  (output_pins[i].port, output_pins[i].pin, gpioDirection_Output);
    gpioSetValue(output_pins[i].port, output_pins[i].pin, output_pins[i].value);
  }

  // Set P0.0 to GPIO
  RB_PWR_LCDBL_IO &= ~RB_PWR_LCDBL_IO_FUNC_MASK;
  RB_PWR_LCDBL_IO |=  RB_PWR_LCDBL_IO_FUNC_GPIO;

  gpioSetDir   ( RB_PWR_LCDBL   , gpioDirection_Input);
  gpioSetPullup(&RB_PWR_LCDBL_IO, gpioPullupMode_Inactive);

  rbBacklightInit();
  badge_display_init();
}
예제 #7
0
static void chb_radio_init()
{
    U8 ieee_addr[8];

    // reset chip
    chb_reset();

    // disable intps while we config the radio
    chb_reg_write(IRQ_MASK, 0);

    // force transceiver off while we configure the intps
    chb_reg_read_mod_write(TRX_STATE, CMD_FORCE_TRX_OFF, 0x1F);

    // make sure the transceiver is in the off state before proceeding
    while ((chb_reg_read(TRX_STATUS) & 0x1f) != TRX_OFF);

    // set radio cfg parameters
    // **note** uncomment if these will be set to something other than default
    //chb_reg_read_mod_write(XAH_CTRL_0, CHB_MAX_FRAME_RETRIES << CHB_MAX_FRAME_RETRIES_POS, 0xF << CHB_MAX_FRAME_RETRIES_POS);
    //chb_reg_read_mod_write(XAH_CTRL_0, CHB_MAX_CSMA_RETRIES << CHB_MAX_CSMA_RETIRES_POS, 0x7 << CHB_MAX_CSMA_RETIRES_POS);
    //chb_reg_read_mod_write(CSMA_SEED_1, CHB_CSMA_SEED1 << CHB_CSMA_SEED1_POS, 0x7 << CHB_CSMA_SEED1_POS);
    //chb_ret_write(CSMA_SEED0, CHB_CSMA_SEED0);     
    //chb_reg_read_mod_write(PHY_CC_CCA, CHB_CCA_MODE << CHB_CCA_MODE_POS,0x3 << CHB_CCA_MODE_POS);
    //chb_reg_write(CCA_THRES, CHB_CCA_ED_THRES);

    // set frame version that we'll accept
    chb_reg_read_mod_write(CSMA_SEED_1, CHB_FRM_VER << CHB_FVN_POS, 3 << CHB_FVN_POS);

    // set interrupt mask
    // re-enable intps while we config the radio
    chb_reg_write(IRQ_MASK, (1<<IRQ_RX_START) | (1<<IRQ_TRX_END));

    #if (CFG_CHIBI_PROMISCUOUS == 0)
      // set autocrc mode
      chb_reg_read_mod_write(TRX_CTRL_1, 1 << CHB_AUTO_CRC_POS, 1 << CHB_AUTO_CRC_POS);
    #endif
    // set up default phy modulation, data rate and power (Ex. OQPSK, 100 kbps, 868 MHz, 3dBm)
    chb_set_mode(CFG_CHIBI_MODE);       // Defined in projectconfig.h
    chb_set_pwr(CFG_CHIBI_POWER);       // Defined in projectconfig.h
    chb_set_channel(CFG_CHIBI_CHANNEL); // Defined in projectconfig.h

    // set fsm state
    // put trx in rx auto ack mode
    chb_set_state(RX_STATE);

    // set pan ID
    chb_reg_write16(PAN_ID_0, CFG_CHIBI_PANID); // Defined in projectconfig.h

    // set short addr
    // NOTE: Possibly get this from EEPROM
    chb_reg_write16(SHORT_ADDR_0, chb_get_short_addr());

    // set long addr
    // NOTE: Possibly get this from EEPROM
    chb_get_ieee_addr(ieee_addr);
    chb_reg_write64(IEEE_ADDR_0, ieee_addr);

#if (CHB_CC1190_PRESENT)
    // set high gain mode pin to output and init to zero
    gpioSetDir (CHB_CC1190_HGM_PORT, CHB_CC1190_HGM_PIN, 1);
    gpioSetPullup (&CHB_CC1190_HGM_IOCONREG, gpioPullupMode_Inactive);
    gpioSetValue (CHB_CC1190_HGM_PORT, CHB_CC1190_HGM_PIN, 0);

    // set external power amp on AT86RF212
    chb_reg_read_mod_write(TRX_CTRL_1, 1<<CHB_PA_EXT_EN_POS, 1<<CHB_PA_EXT_EN_POS);

    // set power to lowest level possible
    chb_set_pwr(0xd);   // set to -11 dBm
#endif

    // set interrupt/gpio pin to input
    gpioSetDir (CHB_EINTPORT, CHB_EINTPIN, 0);

    // set internal resistor on EINT pin to inactive
    gpioSetPullup (&CHB_EINTPIN_IOCONREG, gpioPullupMode_Inactive);

    // configure pin for interrupt
    gpioSetInterrupt (CHB_EINTPORT,
                      CHB_EINTPIN,
                      gpioInterruptSense_Edge,        // Edge-sensitive
                      gpioInterruptEdge_Single,       // Single edge
                      gpioInterruptEvent_ActiveHigh); // High triggers interrupt

    // enable interrupt
    gpioIntEnable (CHB_EINTPORT,
                   CHB_EINTPIN); 

    if (chb_get_state() != RX_STATE)
    {
        // ERROR occurred initializing the radio. Print out error message.
        printf(chb_err_init);
    }
}
예제 #8
0
파일: ssp.c 프로젝트: Bediko/r0ket
void sspInit (uint8_t portNum, sspClockPolarity_t polarity, sspClockPhase_t phase)
{
  gpioInit();

  if (portNum == 0)
  {
    /* Reset SSP */
    SCB_PRESETCTRL &= ~SCB_PRESETCTRL_SSP0_MASK;
    SCB_PRESETCTRL |= SCB_PRESETCTRL_SSP0_RESETDISABLED;
  
    /* Enable AHB clock to the SSP domain. */
    SCB_SYSAHBCLKCTRL |= (SCB_SYSAHBCLKCTRL_SSP0);
  
    /* Divide by 1 (SSPCLKDIV also enables to SSP CLK) */
    SCB_SSP0CLKDIV = SCB_SSP0CLKDIV_DIV1;
  
    /* Set P0.8 to SSP MISO */
    IOCON_PIO0_8 &= ~IOCON_PIO0_8_FUNC_MASK;
    IOCON_PIO0_8 |= IOCON_PIO0_8_FUNC_MISO0;
  
    /* Set P0.9 to SSP MOSI */
    IOCON_PIO0_9 &= ~IOCON_PIO0_9_FUNC_MASK;
    IOCON_PIO0_9 |= IOCON_PIO0_9_FUNC_MOSI0;

    /* Set 2.11 to SSP SCK (0.6 and 0.10 can also be used) */ 
    #ifdef CFG_SSP0_SCKPIN_2_11
    IOCON_SCKLOC = IOCON_SCKLOC_SCKPIN_PIO2_11; 
    IOCON_PIO2_11 = IOCON_PIO2_11_FUNC_SCK0;  
    #endif

    /* Set 0.6 to SSP SCK (2.11 and 0.10 can also be used) */ 
    #ifdef CFG_SSP0_SCKPIN_0_6
    IOCON_SCKLOC = IOCON_SCKLOC_SCKPIN_PIO0_6; 
    IOCON_PIO0_6 = IOCON_PIO0_6_FUNC_SCK;
    #endif

    /* Set P0.2/SSEL to GPIO output and high */
    IOCON_PIO0_2 &= ~IOCON_PIO0_2_FUNC_MASK;
    IOCON_PIO0_2 |= IOCON_PIO0_2_FUNC_GPIO;
    gpioSetDir(SSP0_CSPORT, SSP0_CSPIN, 1);
    gpioSetValue(SSP0_CSPORT, SSP0_CSPIN, 1);
    gpioSetPullup(&IOCON_PIO0_2, gpioPullupMode_Inactive);  // Board has external pull-up
  
    /* If SSP0CLKDIV = DIV1 -- (PCLK / (CPSDVSR × [SCR+1])) = (72,000,000 / (2 x [8 + 1])) = 4.0 MHz */
    uint32_t configReg = ( SSP_SSP0CR0_DSS_8BIT   // Data size = 8-bit
                  | SSP_SSP0CR0_FRF_SPI           // Frame format = SPI
                  | SSP_SSP0CR0_SCR_8);           // Serial clock rate = 8
  
    // Set clock polarity
    if (polarity == sspClockPolarity_High)
      configReg |= SSP_SSP0CR0_CPOL_HIGH;     // Clock polarity = High between frames
    else
      configReg &= ~SSP_SSP0CR0_CPOL_MASK;    // Clock polarity = Low between frames
  
    // Set edge transition
    if (phase == sspClockPhase_FallingEdge)
      configReg |= SSP_SSP0CR0_CPHA_SECOND;   // Clock out phase = Trailing edge clock transition
    else
      configReg &= ~SSP_SSP0CR0_CPHA_MASK;    // Clock out phase = Leading edge clock transition
  
    // Assign config values to SSP0CR0
    SSP_SSP0CR0 = configReg;
  
    /* Clock prescale register must be even and at least 2 in master mode */
    SSP_SSP0CPSR = SSP_SSP0CPSR_CPSDVSR_DIV2;
  
    /* Clear the Rx FIFO */
    uint8_t i, Dummy=Dummy;
    for ( i = 0; i < SSP_FIFOSIZE; i++ )
    {
      Dummy = SSP_SSP0DR;
    }
  
    /* Enable the SSP Interrupt */
    NVIC_EnableIRQ(SSP_IRQn);
  
    /* Set SSPINMS registers to enable interrupts
     * enable all error related interrupts        */
    SSP_SSP0IMSC = ( SSP_SSP0IMSC_RORIM_ENBL      // Enable overrun interrupt
                   | SSP_SSP0IMSC_RTIM_ENBL);     // Enable timeout interrupt
  
    /* Enable device and set it to master mode, no loopback */
    SSP_SSP0CR1 = SSP_SSP0CR1_SSE_ENABLED | SSP_SSP0CR1_MS_MASTER | SSP_SSP0CR1_LBM_NORMAL;
  }

  return;
}
예제 #9
0
파일: usbmsc.c 프로젝트: Bediko/r0ket
void usbMSCInit(void) {
  dataflash_initialize();

  // Setup USB clock
  SCB_PDRUNCFG &= ~(SCB_PDSLEEPCFG_USBPAD_PD);        // Power-up USB PHY
  SCB_PDRUNCFG &= ~(SCB_PDSLEEPCFG_USBPLL_PD);        // Power-up USB PLL

  SCB_USBPLLCLKSEL = SCB_USBPLLCLKSEL_SOURCE_MAINOSC; // Select PLL Input
  SCB_USBPLLCLKUEN = SCB_USBPLLCLKUEN_UPDATE;         // Update Clock Source
  SCB_USBPLLCLKUEN = SCB_USBPLLCLKUEN_DISABLE;        // Toggle Update Register
  SCB_USBPLLCLKUEN = SCB_USBPLLCLKUEN_UPDATE;

  // Wait until the USB clock is updated
  while (!(SCB_USBPLLCLKUEN & SCB_USBPLLCLKUEN_UPDATE));

  // Set USB clock to 48MHz (12MHz x 4)
  SCB_USBPLLCTRL = (SCB_USBPLLCTRL_MULT_4);
  while (!(SCB_USBPLLSTAT & SCB_USBPLLSTAT_LOCK));    // Wait Until PLL Locked
  SCB_USBCLKSEL = SCB_USBCLKSEL_SOURCE_USBPLLOUT;

  // Set USB pin functions
  // bsx says, its only needed for usb-hid. And it conflicts with btn_0
//  IOCON_PIO0_1 &= ~IOCON_PIO0_1_FUNC_MASK;
//  IOCON_PIO0_1 |= IOCON_PIO0_1_FUNC_CLKOUT;           // CLK OUT
  IOCON_PIO0_3 &= ~IOCON_PIO0_3_FUNC_MASK;
  IOCON_PIO0_3 |= IOCON_PIO0_3_FUNC_USB_VBUS;         // VBus
  IOCON_PIO0_6 &= ~IOCON_PIO0_6_FUNC_MASK;
  IOCON_PIO0_6 |= IOCON_PIO0_6_FUNC_USB_CONNECT;      // Soft Connect

  // Disable internal resistor on VBUS (0.3)
  gpioSetPullup(&IOCON_PIO0_3, gpioPullupMode_Inactive);

  // workaround for long connect delay
  *((uint32_t *)(0x10000054)) = 0x0;

  // HID Device Info
  volatile int n;
  MscDevInfo.idVendor = USB_VENDOR_ID;
  MscDevInfo.idProduct = USB_PROD_ID;
  MscDevInfo.bcdDevice = USB_DEVICE;
  MscDevInfo.StrDescPtr = (uint32_t)&USB_MSCStringDescriptor[0];
  MscDevInfo.MSCInquiryStr = (uint32_t)&"r0ket DataFlash             "; // 28 char response to SCSI INQUIRY
  MscDevInfo.BlockCount = 1024;
  MscDevInfo.BlockSize = 512;
  MscDevInfo.MemorySize = 1024*512;
  MscDevInfo.MSC_Write = &usbMSCWrite;
  MscDevInfo.MSC_Read = &usbMSCRead;

  DeviceInfo.DevType = USB_DEVICE_CLASS_STORAGE;
  DeviceInfo.DevDetailPtr = (uint32_t)&MscDevInfo;
  
  /* Enable Timer32_1, IOCON, and USB blocks (for USB ROM driver) */
  SCB_SYSAHBCLKCTRL |= (SCB_SYSAHBCLKCTRL_CT32B1 | SCB_SYSAHBCLKCTRL_IOCON | SCB_SYSAHBCLKCTRL_USB_REG);

  /* Use pll and pin init function in rom */
  /* Warning: This will also set the system clock to 48MHz! */
  // (*rom)->pUSBD->init_clk_pins();   

  /* insert a delay between clk init and usb init */
  for (n = 0; n < 75; n++) {__asm("nop");}

  (*rom)->pUSBD->init(&DeviceInfo); /* USB Initialization */
  (*rom)->pUSBD->connect(true);     /* USB Connect */
  usbMSCenabled|=USB_MSC_ENABLEFLAG;
}
예제 #10
0
파일: pmu.c 프로젝트: PSU-AVT/QuadLLFC
void pmuDeepSleep(uint32_t sleepCtrl, uint32_t wakeupSeconds)
{
  // Setup the board for deep sleep mode, shutting down certain
  // peripherals and remapping pins for lower power
  pmuSetupHW();
  SCB_PDAWAKECFG = SCB_PDRUNCFG;
  sleepCtrl |= (1 << 9) | (1 << 11);
  SCB_PDSLEEPCFG = sleepCtrl;
  SCB_SCR |= SCB_SCR_SLEEPDEEP;

  /* Configure system to run from WDT and set TMR32B0 for wakeup          */
  if (wakeupSeconds > 0)
  {
    // Make sure WDTOSC isn't disabled in PDSLEEPCFG
    SCB_PDSLEEPCFG &= ~(SCB_PDSLEEPCFG_WDTOSC_PD);

    // Disable 32-bit timer 0 if currently in use
    TMR_TMR32B0TCR = TMR_TMR32B0TCR_COUNTERENABLE_DISABLED;

    // Disable internal pullup on 0.1
    gpioSetPullup(&IOCON_PIO0_1, gpioPullupMode_Inactive);

    /* Enable the clock for CT32B0 */
    SCB_SYSAHBCLKCTRL |= (SCB_SYSAHBCLKCTRL_CT32B0);
  
    /* Configure 0.1 as Timer0_32 MAT2 */
    IOCON_PIO0_1 &= ~IOCON_PIO0_1_FUNC_MASK;
    IOCON_PIO0_1 |= IOCON_PIO0_1_FUNC_CT32B0_MAT2;

    /* Set appropriate timer delay */
    TMR_TMR32B0MR0 = PMU_WDTCLOCKSPEED_HZ * wakeupSeconds;
  
    /* Configure match control register to raise an interrupt and reset on MR0 */
    TMR_TMR32B0MCR |= (TMR_TMR32B0MCR_MR0_INT_ENABLED | TMR_TMR32B0MCR_MR0_RESET_ENABLED);
  
    /* Configure external match register to set 0.1 high on match */
    TMR_TMR32B0EMR &= ~(0xFF<<4);                   // Clear EMR config bits
    TMR_TMR32B0EMR |= TMR_TMR32B0EMR_EMC2_HIGH;     // Set MAT2 (0.1) high on match

    /* Enable wakeup interrupts (any I/O pin can be used as a wakeup source) */
    //NVIC_EnableIRQ(WAKEUP0_IRQn);    // P0.0
    NVIC_EnableIRQ(WAKEUP1_IRQn);      // P0.1    (CT32B0_MAT2)
    //NVIC_EnableIRQ(WAKEUP2_IRQn);    // P0.2
    //NVIC_EnableIRQ(WAKEUP3_IRQn);    // P0.3
    //NVIC_EnableIRQ(WAKEUP4_IRQn);    // P0.4
    //NVIC_EnableIRQ(WAKEUP5_IRQn);    // P0.5
    //NVIC_EnableIRQ(WAKEUP6_IRQn);    // P0.6
    //NVIC_EnableIRQ(WAKEUP7_IRQn);    // P0.7
    //NVIC_EnableIRQ(WAKEUP8_IRQn);    // P0.8
    //NVIC_EnableIRQ(WAKEUP9_IRQn);    // P0.9
    //NVIC_EnableIRQ(WAKEUP10_IRQn);   // P0.10
    //NVIC_EnableIRQ(WAKEUP11_IRQn);   // P0.11
    //NVIC_EnableIRQ(WAKEUP12_IRQn);   // P1.0
    //NVIC_EnableIRQ(WAKEUP13_IRQn);   // P1.1
    //NVIC_EnableIRQ(WAKEUP14_IRQn);   // P1.2
    //NVIC_EnableIRQ(WAKEUP15_IRQn);   // P1.3
    //NVIC_EnableIRQ(WAKEUP16_IRQn);   // P1.4
    //NVIC_EnableIRQ(WAKEUP17_IRQn);   // P1.5
    //NVIC_EnableIRQ(WAKEUP18_IRQn);   // P1.6
    //NVIC_EnableIRQ(WAKEUP19_IRQn);   // P1.7
    //NVIC_EnableIRQ(WAKEUP20_IRQn);   // P1.8
    //NVIC_EnableIRQ(WAKEUP21_IRQn);   // P1.9
    //NVIC_EnableIRQ(WAKEUP22_IRQn);   // P1.10
    //NVIC_EnableIRQ(WAKEUP23_IRQn);   // P1.11
    //NVIC_EnableIRQ(WAKEUP24_IRQn);   // P2.0
    //NVIC_EnableIRQ(WAKEUP25_IRQn);   // P2.1
    //NVIC_EnableIRQ(WAKEUP26_IRQn);   // P2.2
    //NVIC_EnableIRQ(WAKEUP27_IRQn);   // P2.3
    //NVIC_EnableIRQ(WAKEUP28_IRQn);   // P2.4
    //NVIC_EnableIRQ(WAKEUP29_IRQn);   // P2.5
    //NVIC_EnableIRQ(WAKEUP30_IRQn);   // P2.6
    //NVIC_EnableIRQ(WAKEUP31_IRQn);   // P2.7
    //NVIC_EnableIRQ(WAKEUP32_IRQn);   // P2.8
    //NVIC_EnableIRQ(WAKEUP33_IRQn);   // P2.9
    //NVIC_EnableIRQ(WAKEUP34_IRQn);   // P2.10
    //NVIC_EnableIRQ(WAKEUP35_IRQn);   // P2.11
    //NVIC_EnableIRQ(WAKEUP36_IRQn);   // P3.0
    //NVIC_EnableIRQ(WAKEUP37_IRQn);   // P3.1
    //NVIC_EnableIRQ(WAKEUP38_IRQn);   // P3.2
    //NVIC_EnableIRQ(WAKEUP39_IRQn);   // P3.3
  
    /* Use RISING EDGE for wakeup detection. */
    SCB_STARTAPRP0 |= SCB_STARTAPRP0_APRPIO0_1;
  
    /* Clear all wakeup sources */ 
    SCB_STARTRSRP0CLR = SCB_STARTRSRP0CLR_MASK;

    /* Enable Port 0.1 as wakeup source. */
    SCB_STARTERP0 |= SCB_STARTERP0_ERPIO0_1;

    // Reconfigure clock to run from WDTOSC
    pmuWDTClockInit();
  
    /* Start the timer */
    TMR_TMR32B0TCR = TMR_TMR32B0TCR_COUNTERENABLE_ENABLED;
  }

  __asm volatile ("WFI");
  return;
}
예제 #11
0
파일: basic.c 프로젝트: falkorichter/r0ket
void rbInit() {
    // TODO FIXME special port disable ? LEDs BTNs ?

    // prepare power
    // TODO FIXME more power init needed ? chrg + volt input ?
    // enable external vcc
    gpioSetDir(RB_PWR_GOOD, gpioDirection_Output);
    gpioSetValue (RB_PWR_GOOD, 0); 

    // Disable USB Connect (we don't want USB by default)
    gpioSetDir(USB_CONNECT, gpioDirection_Output);
    gpioSetValue(USB_CONNECT, 1);

    // prepare buttons
    gpioSetDir(RB_BTN0, gpioDirection_Input);
    gpioSetPullup (&RB_BTN0_IO, gpioPullupMode_PullUp);

    gpioSetDir(RB_BTN1, gpioDirection_Input);
    gpioSetPullup (&RB_BTN1_IO, gpioPullupMode_PullUp);

    gpioSetDir(RB_BTN2, gpioDirection_Input);
    gpioSetPullup (&RB_BTN2_IO, gpioPullupMode_PullUp);

    gpioSetDir(RB_BTN3, gpioDirection_Input);
    gpioSetPullup (&RB_BTN3_IO, gpioPullupMode_PullUp);

    gpioSetDir(RB_BTN4, gpioDirection_Input);
    gpioSetPullup (&RB_BTN4_IO, gpioPullupMode_PullUp);

    // prepate chrg_stat
    gpioSetDir(RB_PWR_CHRG, gpioDirection_Input);
    gpioSetPullup (&RB_PWR_CHRG_IO, gpioPullupMode_PullUp);

    // prepare LEDs
    IOCON_JTAG_TDI_PIO0_11 &= ~IOCON_JTAG_TDI_PIO0_11_FUNC_MASK;
    IOCON_JTAG_TDI_PIO0_11 |= IOCON_JTAG_TDI_PIO0_11_FUNC_GPIO; 
 
    gpioSetDir(RB_LED0, gpioDirection_Output);
    gpioSetValue (RB_LED0, 0); 

    gpioSetDir(RB_LED1, gpioDirection_Output);
    gpioSetValue (RB_LED1, 0); 

    gpioSetDir(RB_LED2, gpioDirection_Output);
    gpioSetValue (RB_LED2, 0); 

    gpioSetDir(RB_LED3, gpioDirection_Output);
    gpioSetValue (RB_LED3, 0); 

    // Set LED3 to ?
    IOCON_PIO1_11 = 0x41;

    // prepare lcd
    // TODO FIXME more init needed ?
    gpioSetDir(RB_LCD_BL, gpioDirection_Output);
    gpioSetValue (RB_LCD_BL, 0); 

    // Set P0.0 to GPIO
    RB_PWR_LCDBL_IO&= ~RB_PWR_LCDBL_IO_FUNC_MASK;
    RB_PWR_LCDBL_IO|= RB_PWR_LCDBL_IO_FUNC_GPIO; 
    gpioSetDir(RB_PWR_LCDBL, gpioDirection_Input);
    gpioSetPullup(&RB_PWR_LCDBL_IO, gpioPullupMode_Inactive);

    // prepare I2C
    #ifdef __I2C_h
	i2cInit(I2CMASTER); // TODO FIXME via define ?
    #endif


    // prepare SPI/SS
    // TODO FIXME init miso/mosi/sck somehow ?
    gpioSetDir(RB_SPI_SS0, gpioDirection_Output);
    gpioSetValue (RB_SPI_SS0, 1); 

    gpioSetDir(RB_SPI_SS1, gpioDirection_Output);
    gpioSetValue (RB_SPI_SS1, 1); 

    gpioSetDir(RB_SPI_SS2, gpioDirection_Output);
    gpioSetValue (RB_SPI_SS2, 1); 

    gpioSetDir(RB_SPI_SS3, gpioDirection_Output);
    gpioSetValue (RB_SPI_SS3, 1); 

    gpioSetDir(RB_SPI_SS4, gpioDirection_Output);
    gpioSetValue (RB_SPI_SS4, 1); 

    gpioSetDir(RB_SPI_SS5, gpioDirection_Output);
    gpioSetValue (RB_SPI_SS5, 1); 


    // prepare hackerbus
    gpioSetDir(RB_HB0, gpioDirection_Output);
    gpioSetValue (RB_HB0, 1); 

    gpioSetDir(RB_HB1, gpioDirection_Output);
    gpioSetValue (RB_HB1, 1); 

    gpioSetDir(RB_HB2, gpioDirection_Output);
    gpioSetValue (RB_HB2, 1); 

    gpioSetDir(RB_HB3, gpioDirection_Output);
    gpioSetValue (RB_HB3, 1); 

    gpioSetDir(RB_HB4, gpioDirection_Output);
    gpioSetValue (RB_HB4, 1); 

    gpioSetDir(RB_HB5, gpioDirection_Output);
    gpioSetValue (RB_HB5, 1); 


    // prepare BUSINT interrupt
    gpioSetDir(RB_BUSINT, gpioDirection_Input);
    gpioSetPullup (&RB_BUSINT_IO, gpioPullupMode_PullUp);
    gpioSetInterrupt(RB_BUSINT, gpioInterruptSense_Edge, gpioInterruptEdge_Single, gpioInterruptEvent_ActiveLow);
    gpioIntEnable(RB_BUSINT);

    //nrf_init();
    backlightInit();
    font=&Font_7x8;
    ECIES_setup();
}
예제 #12
0
void systemInit()
{
  cpuInit();
  systickInit((CFG_CPU_CCLK / 1000) * CFG_SYSTICK_DELAY_IN_MS);
  gpioInit();
  pmuInit();
  adcInit();    // Init adc pins to avoid wasting 60uA in deep sleep

  #ifdef CFG_PRINTF_UART
    // Initialise UART with the default baud rate (set in projectconfig.h)
    uartInit(CFG_UART_BAUDRATE);
  #endif

  // Switch to 3.3V if TPS780 (etc.) is being used
  #if defined CFG_VREG_ALT_PRESENT && CFG_VREG_ALT_PRESENT == 1
    gpioSetDir(CFG_VREG_ALT_PORT, CFG_VREG_ALT_PIN, gpioDirection_Output);
    gpioSetValue(CFG_VREG_ALT_PORT, CFG_VREG_ALT_PIN, 0);
    gpioSetPullup(&CFG_VREG_ALT_REG32, gpioPullupMode_Inactive);
  #endif

  // Set LED pin as output and turn LED off
  gpioSetDir(CFG_LED_PORT, CFG_LED_PIN, 1);
  gpioSetValue(CFG_LED_PORT, CFG_LED_PIN, CFG_LED_OFF);

  // Initialise the ST7565 128x64 pixel display
  #ifdef CFG_ST7565
    st7565Init();
    st7565ClearScreen();    // Clear the screen  
    st7565Backlight(1);     // Enable the backlight
  #endif

  // Initialise the SSD1306 OLED display
  #ifdef CFG_SSD1306
    ssd1306Init(SSD1306_SWITCHCAPVCC);
    ssd1306ClearScreen();   // Clear the screen  
  #endif

  // Initialise EEPROM
  #ifdef CFG_I2CEEPROM
    mcp24aaInit();
  #endif

  // Initialise Chibi
  #ifdef CFG_CHIBI
    // Write addresses to EEPROM for the first time if necessary
    // uint16_t addr_short = 0x1166;
    // uint64_t addr_ieee =  addr_short;
    // mcp24aaWriteBuffer(CFG_CHIBI_EEPROM_SHORTADDR, (uint8_t *)&addr_short, 2);
    // mcp24aaWriteBuffer(CFG_CHIBI_EEPROM_IEEEADDR, (uint8_t *)&addr_ieee, 8);
    chb_init();
  #endif

  // Setup SD Card
  #ifdef CFG_SDCARD
    // Turn off SD card by default (saves power)
    gpioSetDir(CFG_SDCARD_ENPORT, CFG_SDCARD_ENPIN, gpioDirection_Output); /* Set enable pin to output */
    gpioSetValue(CFG_SDCARD_ENPORT, CFG_SDCARD_ENPIN, 0);                  /* Disable card by setting ENPIN low */
    gpioSetPullup(&CFG_SDCARD_ENREG32, gpioPullupMode_Inactive);
  #endif

  #ifdef CFG_LM75B
    // Initialise LM75B
    lm75bInit();
    // Read temp once to make sure we are in sleep mode
    int32_t temp;
    lm75bGetTemperature(&temp);
  #endif

  #ifdef CFG_BAT
    // Turn off battery voltage divider by default
    gpioSetDir(CFG_BAT_ENPORT, CFG_BAT_ENPIN, gpioDirection_Output );   // Set voltage divider enable pin to output
    gpioSetValue(CFG_BAT_ENPORT, CFG_BAT_ENPIN, 0 );                    // Disable the voltage divider by default
    gpioSetPullup(&CFG_BAT_ENREG32, gpioPullupMode_Inactive);
  #endif

  // Start the command line interface (if requested)
  #ifdef CFG_INTERFACE
    printf("%sType '?' for a list of available commands%s", CFG_PRINTF_NEWLINE, CFG_PRINTF_NEWLINE);
    cmdInit();
  #endif
}
예제 #13
0
파일: basic.c 프로젝트: andrmuel/r0ket
void rbInit() {
    // TODO FIXME special port disable ? LEDs BTNs ?

    // prepare power
    // TODO FIXME more power init needed ? chrg + volt input ?
    // enable external vcc
    gpioSetDir(RB_PWR_GOOD, gpioDirection_Output);
    gpioSetValue (RB_PWR_GOOD, 0); 

    // Disable USB Connect (we don't want USB by default)
    gpioSetDir(USB_CONNECT, gpioDirection_Output);
    gpioSetValue(USB_CONNECT, 1);

    static uint8_t ports[] = { RB_BTN0, RB_BTN1, RB_BTN2, RB_BTN3, RB_BTN4,
                        RB_LED0, RB_LED1, RB_LED2, 
                        RB_SPI_SS0, RB_SPI_SS1, RB_SPI_SS2,
                        RB_SPI_SS3, RB_SPI_SS4, RB_SPI_SS5,
                        RB_HB0, RB_HB1, RB_HB2,
                        RB_HB3, RB_HB4, RB_HB5};

    volatile uint32_t * regs[] = {&RB_BTN0_IO, &RB_BTN1_IO, &RB_BTN2_IO,
                                  &RB_BTN3_IO, &RB_BTN4_IO};

    int i = 0;
    while( i<10 ){
        gpioSetDir(ports[i], ports[i+1], gpioDirection_Input);
        gpioSetPullup(regs[i/2], gpioPullupMode_PullUp);
        i+=2;
    }

    // prepate chrg_stat
    gpioSetDir(RB_PWR_CHRG, gpioDirection_Input);
    gpioSetPullup (&RB_PWR_CHRG_IO, gpioPullupMode_PullUp);

    gpioSetDir(RB_LED3, gpioDirection_Input);
    IOCON_PIO1_11 = 0x41;

    // prepare LEDs
    IOCON_JTAG_TDI_PIO0_11 &= ~IOCON_JTAG_TDI_PIO0_11_FUNC_MASK;
    IOCON_JTAG_TDI_PIO0_11 |= IOCON_JTAG_TDI_PIO0_11_FUNC_GPIO; 

    while( i<16 ){
        gpioSetDir(ports[i],ports[i+1], gpioDirection_Output);
        gpioSetValue (ports[i], ports[i+1], 0);
        i+=2;
    }

    // Set LED3 to ?
    IOCON_PIO1_11 = 0x41;

    // prepare lcd
    // TODO FIXME more init needed ?
    gpioSetDir(RB_LCD_BL, gpioDirection_Output);
    gpioSetValue (RB_LCD_BL, 0); 

    // Set P0.0 to GPIO
    RB_PWR_LCDBL_IO&= ~RB_PWR_LCDBL_IO_FUNC_MASK;
    RB_PWR_LCDBL_IO|= RB_PWR_LCDBL_IO_FUNC_GPIO; 
    gpioSetDir(RB_PWR_LCDBL, gpioDirection_Input);
    gpioSetPullup(&RB_PWR_LCDBL_IO, gpioPullupMode_Inactive);

    // prepare I2C
    #ifdef __I2C_h
	i2cInit(I2CMASTER); // TODO FIXME via define ?
    #endif

    // prepare SPI/SS
    // TODO FIXME init miso/mosi/sck somehow ? 
    // prepare hackerbus
    while(i<sizeof(ports)){
        gpioSetDir(ports[i],ports[i+1], gpioDirection_Output);
        gpioSetValue (ports[i], ports[i+1], 1);
        i+=2;
    }

    // prepare BUSINT interrupt
    //gpioSetDir(RB_BUSINT, gpioDirection_Input);
    //gpioSetPullup (&RB_BUSINT_IO, gpioPullupMode_PullUp);
    //gpioSetInterrupt(RB_BUSINT, gpioInterruptSense_Edge, gpioInterruptEdge_Single, gpioInterruptEvent_ActiveLow);
    //gpioIntEnable(RB_BUSINT);

    //nrf_init();
    backlightInit();
    font=&Font_7x8;
}