void UartMcuDeInit( Uart_t *obj )
{
USART_DeInit( USART1 );
GpioInit( &obj->Tx, obj->Tx.pin, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &obj->Rx, obj->Rx.pin, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
}
void SpiInit( Spi_t *obj, PinNames mosi, PinNames miso, PinNames sclk, PinNames nss )
{
__HAL_RCC_SPI1_FORCE_RESET( );
__HAL_RCC_SPI1_RELEASE_RESET( );
__HAL_RCC_SPI1_CLK_ENABLE( );
obj->Spi.Instance = ( SPI_TypeDef *) SPI1_BASE;
GpioInit( &obj->Mosi, mosi, PIN_ALTERNATE_FCT, PIN_PUSH_PULL, PIN_PULL_DOWN, GPIO_AF5_SPI1 );
GpioInit( &obj->Miso, miso, PIN_ALTERNATE_FCT, PIN_PUSH_PULL, PIN_PULL_DOWN, GPIO_AF5_SPI1 );
GpioInit( &obj->Sclk, sclk, PIN_ALTERNATE_FCT, PIN_PUSH_PULL, PIN_PULL_DOWN, GPIO_AF5_SPI1 );
if( nss != NC )
{
GpioInit( &obj->Nss, nss, PIN_ALTERNATE_FCT, PIN_PUSH_PULL, PIN_PULL_UP, GPIO_AF5_SPI1 );
}
else
{
obj->Spi.Init.NSS = SPI_NSS_SOFT;
}
if( nss == NC )
{
SpiFormat( obj, SPI_DATASIZE_8BIT, SPI_POLARITY_LOW, SPI_PHASE_1EDGE, 0 );
}
else
{
SpiFormat( obj, SPI_DATASIZE_8BIT, SPI_POLARITY_LOW, SPI_PHASE_1EDGE, 1 );
}
SpiFrequency( obj, 10000000 );
HAL_SPI_Init( &obj->Spi );
}
void UartMcuInit( Uart_t *obj, uint8_t uartId, PinNames tx, PinNames rx )
{
obj->UartId = uartId;
switch ( obj->UartId )
{
case UART_1:
RCC_APB2PeriphClockCmd( RCC_APB2Periph_USART1, ENABLE );
USART_DeInit( USART1 );
GpioInit( &obj->Tx, tx, PIN_ALTERNATE_FCT, PIN_PUSH_PULL, PIN_PULL_UP, 1 );
GpioInit( &obj->Rx, rx, PIN_ALTERNATE_FCT, PIN_PUSH_PULL, PIN_PULL_UP, 1 );
GPIO_PinAFConfig( obj->Tx.port, ( obj->Tx.pin & 0x0F ), GPIO_AF_USART1 );
GPIO_PinAFConfig( obj->Rx.port, ( obj->Rx.pin & 0x0F ), GPIO_AF_USART1 );
break;
case UART_2:
RCC_APB1PeriphClockCmd( RCC_APB1Periph_USART2, ENABLE );
USART_DeInit( USART2 );
GpioInit( &obj->Tx, tx, PIN_ALTERNATE_FCT, PIN_PUSH_PULL, PIN_PULL_UP, 1 );
GpioInit( &obj->Rx, rx, PIN_ALTERNATE_FCT, PIN_PUSH_PULL, PIN_PULL_UP, 1 );
GPIO_PinAFConfig( obj->Tx.port, ( obj->Tx.pin & 0x0F ), GPIO_AF_USART2 );
GPIO_PinAFConfig( obj->Rx.port, ( obj->Rx.pin & 0x0F ), GPIO_AF_USART2 );
break;
}
}
void BoardInitPeriph( void )
{
/* Init the GPIO extender pins */
// GpioInit( &IrqMpl3115, IRQ_MPL3115, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
// GpioInit( &IrqMag3110, IRQ_MAG3110, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
// GpioInit( &GpsPowerEn, GPS_POWER_ON, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
// GpioInit( &NcIoe3, SPARE_IO_EXT_3, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
// GpioInit( &NcIoe4, SPARE_IO_EXT_4, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
// GpioInit( &NcIoe5, SPARE_IO_EXT_5, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
// GpioInit( &NcIoe6, SPARE_IO_EXT_6, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
// GpioInit( &NcIoe7, SPARE_IO_EXT_7, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
// GpioInit( &NIrqSx9500, N_IRQ_SX9500, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
// GpioInit( &Irq1Mma8451, IRQ_1_MMA8451, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
// GpioInit( &Irq2Mma8451, IRQ_2_MMA8451, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
// GpioInit( &TxEnSx9500, TX_EN_SX9500, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
GpioInit( &Led1, LED_1, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &Led2, LED_2, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &testInterupt, TEST_INTERUPT, PIN_INPUT, PIN_PUSH_PULL, PIN_PULL_DOWN, 0 );
GpioSetInterrupt( &testInterupt, IRQ_RISING_EDGE, IRQ_HIGH_PRIORITY, testIrq[0] );
//GpioInit( &Led3, LED_3, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
// Switch LED 1, 2, 3 OFF
GpioWrite( &Led1, 0 );
GpioWrite( &Led2, 0 );
//GpioWrite( &Led3, 1 );
}
void I2cMcuDeInit( I2c_t *obj )
{
I2C_DeInit( obj->I2c );
GpioInit( &obj->Scl, obj->Scl.pin, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &obj->Sda, obj->Sda.pin, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
}
void SX126xIoInit( void )
{
GpioInit( &SX126x.Spi.Nss, RADIO_NSS, PIN_OUTPUT, PIN_PUSH_PULL, PIN_PULL_UP, 1 );
GpioInit( &SX126x.BUSY, RADIO_BUSY, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &SX126x.DIO1, RADIO_DIO_1, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &DeviceSel, RADIO_DEVICE_SEL, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
}
void SX1272IoDeInit( void )
{
GpioInit( &SX1272.Spi.Nss, RADIO_NSS, PIN_OUTPUT, PIN_PUSH_PULL, PIN_PULL_UP, 1 );
GpioInit( &SX1272.DIO0, RADIO_DIO_0, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &SX1272.DIO1, RADIO_DIO_1, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
}
void I2cMcuDeInit(I2c_t *obj)
{
I2C_DRV_MasterDeinit(obj->I2c->instance);
GpioInit(&obj->Scl, obj->Scl.pin, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 0);
GpioInit(&obj->Sda, obj->Sda.pin, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 0);
}
void SX126xReset( void )
{
DelayMs( 10 );
GpioInit( &SX126x.Reset, RADIO_RESET, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
DelayMs( 20 );
GpioInit( &SX126x.Reset, RADIO_RESET, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 0 ); // internal pull-up
DelayMs( 10 );
}
void SX1272AntSwDeInit( void )
{
#ifdef FLORA_BOARD
GpioInit( &AntSw, RADIO_ANT_SWITCH, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
#else
GpioInit( &AntTx, RADIO_ANT_SWITCH_TX, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &AntRx, RADIO_ANT_SWITCH_RX, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
#endif
}
void SX1276AntSwDeInit( void )
{
#if defined(SX1276_BOARD_FREEDOM)
GpioInit(&AntSwitchLf, RADIO_ANT_SWITCH_LF, PIN_OUTPUT, PIN_OPEN_DRAIN, PIN_NO_PULL, 0);
GpioInit(&AntSwitchHf, RADIO_ANT_SWITCH_HF, PIN_OUTPUT, PIN_OPEN_DRAIN, PIN_NO_PULL, 0);
#elif defined(SX1276_BOARD_EMBED)
GpioInit(&AntSwitchRxTx, RADIO_ANT_SWITCH_RX_TX, PIN_OUTPUT, PIN_OPEN_DRAIN, PIN_NO_PULL, 0);
#endif
}
void SpiDeInit( Spi_t *obj )
{
HAL_SPI_DeInit( &obj->Spi );
GpioInit( &obj->Mosi, obj->Mosi.pin, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &obj->Miso, obj->Miso.pin, PIN_OUTPUT, PIN_PUSH_PULL, PIN_PULL_DOWN, 0 );
GpioInit( &obj->Sclk, obj->Sclk.pin, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &obj->Nss, obj->Nss.pin, PIN_OUTPUT, PIN_PUSH_PULL, PIN_PULL_UP, 1 );
}
void BoardInitPeriph( void )
{
/* Init the GPIO extender pins */
GpioInit( &Led1, LED_1, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &Led2, LED_2, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
// Switch LED 1, 2, 3 OFF
GpioWrite( &Led1, 1 );
GpioWrite( &Led2, 1 );
}
void I2cMcuInit(I2c_t *obj, PinNames scl, PinNames sda)
{
if (obj->I2c->instance < 0 || obj->I2c->instance > I2C_INSTANCE_COUNT) return;
GpioInit(&obj->Scl, scl, PIN_ALTERNATE_FCT, PIN_OPEN_DRAIN, PIN_PULL_UP, 0);
GpioInit(&obj->Sda, sda, PIN_ALTERNATE_FCT, PIN_OPEN_DRAIN, PIN_PULL_UP, 0);
I2C_DRV_MasterInit(obj->I2c->instance, &obj->I2c->state);
}
void SX1272AntSwInit( void )
{
#ifdef FLORA_BOARD
// TX by default
GpioInit( &AntSw, RADIO_ANT_SWITCH, PIN_OUTPUT, PIN_PUSH_PULL, PIN_PULL_UP, 1 );
#else
GpioInit( &AntTx, RADIO_ANT_SWITCH_TX, PIN_OUTPUT, PIN_PUSH_PULL, PIN_PULL_UP, 0 );
GpioInit( &AntRx, RADIO_ANT_SWITCH_RX, PIN_OUTPUT, PIN_PUSH_PULL, PIN_PULL_UP, 1 );
#endif
}
void BoardInitMcu( void )
{
Gpio_t ioPin;
if( McuInitialized == false )
{
HAL_Init( );
// LEDs
GpioInit( &Led1, LED_1, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
GpioInit( &Led2, LED_2, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
GpioInit( &Led3, LED_3, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, Led3Status );
SystemClockConfig( );
GpioInit( &ioPin, UART_RX, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
if( GpioRead( &ioPin ) == 1 ) // Debug Mode
{
UsbIsConnected = true;
FifoInit( &Uart1.FifoTx, UartTxBuffer, UART_FIFO_TX_SIZE );
FifoInit( &Uart1.FifoRx, UartRxBuffer, UART_FIFO_RX_SIZE );
// Configure your terminal for 8 Bits data (7 data bit + 1 parity bit), no parity and no flow ctrl
UartInit( &Uart1, UART_1, UART_TX, UART_RX );
UartConfig( &Uart1, RX_TX, 115200, UART_8_BIT, UART_1_STOP_BIT, NO_PARITY, NO_FLOW_CTRL );
}
else
{
UsbIsConnected = false;
UartDeInit( &Uart1 );
}
RtcInit( );
BoardUnusedIoInit( );
}
else
{
SystemClockReConfig( );
}
I2cInit( &I2c, I2C_SCL, I2C_SDA );
AdcInit( &Adc, BAT_LEVEL_PIN );
SpiInit( &SX1272.Spi, RADIO_MOSI, RADIO_MISO, RADIO_SCLK, NC );
SX1272IoInit( );
if( McuInitialized == false )
{
McuInitialized = true;
if( GetBoardPowerSource( ) == BATTERY_POWER )
{
CalibrateSystemWakeupTime( );
}
}
}
void BoardInitPeriph( void )
{
Gpio_t ioPin;
// Init the GPIO pins
GpioInit( &ioPin, SPARE_IO_EXT_4, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
GpioInit( &ioPin, SPARE_IO_EXT_5, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
GpioInit( &ioPin, SPARE_IO_EXT_6, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
GpioInit( &ioPin, SPARE_IO_EXT_8, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
GpioInit( &ioPin, IRQ_1_MPL3115, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &ioPin, IRQ_2_MPL3115, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &ioPin, IRQ_1_MMA8451, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &ioPin, IRQ_2_MMA8451, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
// Init temperature, pressure and altitude sensor
MPL3115Init( );
// Init accelerometer
MMA8451Init( );
// Init GPS
GpsInit( );
// IRQ IO-Expander (active low)
GpioInit( &ioPin, IO_EXP_NINT, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioSetInterrupt( &ioPin, IRQ_FALLING_EDGE, IRQ_MEDIUM_PRIORITY, ( GpioIrqHandler * )GpioIoeInterruptHandler );
}
void SpiDeInit( Spi_t *obj )
{
SPI_Cmd( obj->Spi, DISABLE );
SPI_I2S_DeInit( obj->Spi );
GpioInit( &obj->Mosi, obj->Mosi.pin, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &obj->Miso, obj->Miso.pin, PIN_OUTPUT, PIN_PUSH_PULL, PIN_PULL_DOWN, 0 );
GpioInit( &obj->Sclk, obj->Sclk.pin, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &obj->Nss, obj->Nss.pin, PIN_OUTPUT, PIN_PUSH_PULL, PIN_PULL_UP, 1 );
}
void BoardDeInitMcu( void )
{
Gpio_t ioPin;
SpiDeInit( &SX1272.Spi );
SX1272IoDeInit( );
GpioInit( &ioPin, OSC_HSE_IN, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
GpioInit( &ioPin, OSC_HSE_OUT, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
GpioInit( &ioPin, OSC_LSE_IN, PIN_INPUT, PIN_PUSH_PULL, PIN_PULL_DOWN, 1 );
GpioInit( &ioPin, OSC_LSE_OUT, PIN_INPUT, PIN_PUSH_PULL, PIN_PULL_DOWN, 1 );
}
void SpiDeInit(Spi_t *obj)
{
/* Disable Spi module */
SPI_HAL_Disable(obj->Spi);
/* Disable clock for SPI.*/
CLOCK_SYS_DisableSpiClock(obj->instance);
GpioInit(&obj->Mosi, obj->Mosi.pin, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0);
GpioInit(&obj->Miso, obj->Miso.pin, PIN_OUTPUT, PIN_PUSH_PULL, PIN_PULL_DOWN, 0);
GpioInit(&obj->Sclk, obj->Sclk.pin, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0);
GpioInit(&obj->Nss, obj->Nss.pin, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1);
}
void I2cMcuInit( I2c_t *obj, PinNames scl, PinNames sda )
{
obj->I2c = ( I2C_TypeDef * )I2C2_BASE;
RCC_APB1PeriphClockCmd( RCC_APB1Periph_I2C2, ENABLE );
I2C_DeInit( obj->I2c );
GpioInit( &obj->Scl, scl, PIN_ALTERNATE_FCT, PIN_OPEN_DRAIN, PIN_NO_PULL, 0 );
GpioInit( &obj->Sda, sda, PIN_ALTERNATE_FCT, PIN_OPEN_DRAIN, PIN_NO_PULL, 0 );
GPIO_PinAFConfig( obj->Scl.port, ( obj->Scl.pin & 0x0F ), GPIO_AF_I2C2 );
GPIO_PinAFConfig( obj->Sda.port, ( obj->Sda.pin & 0x0F ), GPIO_AF_I2C2 );
}
uint8_t SelectorGetValue( void )
{
uint8_t i = 0;
uint8_t j = 0;
uint8_t k = 255;
// Active
GpioInit( &Sel1, SEL_1, PIN_INPUT, PIN_PUSH_PULL, PIN_PULL_UP, 0 );
GpioInit( &Sel2, SEL_2, PIN_INPUT, PIN_PUSH_PULL, PIN_PULL_UP, 0 );
GpioInit( &Sel3, SEL_3, PIN_INPUT, PIN_PUSH_PULL, PIN_PULL_UP, 0 );
GpioInit( &Sel4, SEL_4, PIN_INPUT, PIN_PUSH_PULL, PIN_PULL_UP, 0 );
do
{
j = i;
k = j;
// 1 ms delay between checks
DelayMs( 1 );
i = !GpioRead( &Sel1 );
i += 2 * !GpioRead( &Sel2 );
i += 4 * !GpioRead( &Sel3 );
i += 8 * !GpioRead( &Sel4 );
} while( ( i != j ) && ( i != k ) ); // Waits for 3 successive values to be equal
// Sleep
GpioInit( &Sel1, SEL_1, PIN_OUTPUT, PIN_OPEN_DRAIN, PIN_NO_PULL, 0 );
GpioInit( &Sel2, SEL_2, PIN_OUTPUT, PIN_OPEN_DRAIN, PIN_NO_PULL, 0 );
GpioInit( &Sel3, SEL_3, PIN_OUTPUT, PIN_OPEN_DRAIN, PIN_NO_PULL, 0 );
GpioInit( &Sel4, SEL_4, PIN_OUTPUT, PIN_OPEN_DRAIN, PIN_NO_PULL, 0 );
return i;
}
void BoardInitMcu( void )
{
if( McuInitialized == false )
{
// We use IRQ priority group 4 for the entire project
// When setting the IRQ, only the preemption priority is used
NVIC_PriorityGroupConfig( NVIC_PriorityGroup_4 );
// Disable Systick
// SysTick->CTRL &= ~SysTick_CTRL_TICKINT_Msk; // Systick IRQ off
// SCB->ICSR |= SCB_ICSR_PENDSTCLR_Msk; // Clear SysTick Exception pending flag
/* Setup SysTick Timer for 1 ms interrupts (not too often to save power) */
if (SysTick_Config(SystemCoreClock / 1000))
{
/* Capture error */
while (1);
}
I2cInit( &I2c, I2C_SCL, I2C_SDA );
SpiInit( &SX1276.Spi, RADIO_MOSI, RADIO_MISO, RADIO_SCLK, NC );
SX1276IoInit( );
#if defined( USE_DEBUG_PINS )
GpioInit( &DbgPin1, J1_1, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &DbgPin2, J1_2, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &DbgPin3, J1_3, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &DbgPin4, J1_4, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
#endif
BoardInitPeriph( );
#if( LOW_POWER_MODE_ENABLE )
TimerSetLowPowerEnable( true );
#else
TimerSetLowPowerEnable( false );
#endif
BoardUnusedIoInit( );
if( TimerGetLowPowerEnable( ) == true )
{
RtcInit( );
}
else
{
TimerHwInit( );
}
McuInitialized = true;
}
}
void BoardDeInitMcu( void )
{
Gpio_t oscHseIn;
Gpio_t oscHseOut;
Gpio_t oscLseIn;
Gpio_t oscLseOut;
I2cDeInit( &I2c );
SpiDeInit( &SX1272.Spi );
SX1272IoDeInit( );
#if defined( USE_DEBUG_PINS )
GpioInit( &DbgPin1, CON_EXT_1, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &DbgPin2, CON_EXT_3, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &DbgPin3, CON_EXT_7, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &DbgPin4, CON_EXT_9, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
#endif
GpioInit( &oscHseIn, OSC_HSE_IN, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
GpioInit( &oscHseOut, OSC_HSE_OUT, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
GpioInit( &oscLseIn, OSC_LSE_IN, PIN_INPUT, PIN_PUSH_PULL, PIN_PULL_DOWN, 1 );
GpioInit( &oscLseOut, OSC_LSE_OUT, PIN_INPUT, PIN_PUSH_PULL, PIN_PULL_DOWN, 1 );
McuInitialized = false;
}
void GpsMcuInit( void )
{
NmeaStringSize = 0;
PpsTrigger = PpsTriggerIsFalling;
GpioInit( &GpsPowerEn, GPS_POWER_ON, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
GpioInit( &GpsPps, GPS_PPS, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioSetInterrupt( &GpsPps, IRQ_FALLING_EDGE, IRQ_VERY_LOW_PRIORITY, &GpsMcuOnPpsSignal );
FifoInit( &Uart1.FifoRx, RxBuffer, FIFO_RX_SIZE );
Uart1.IrqNotify = GpsMcuIrqNotify;
GpsMcuStart( );
}
void UartMcuDeInit( Uart_t *obj )
{
switch ( obj->UartId )
{
case UART_1:
USART_DeInit( USART1 );
break;
case UART_2:
USART_DeInit( USART2 );
break;
}
//USART_DeInit( USART1 );
GpioInit( &obj->Tx, obj->Tx.pin, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
GpioInit( &obj->Rx, obj->Rx.pin, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
}
/*******************************************************************************
* MODULE FUNCTIONS (PUBLIC)
******************************************************************************/
void BoardInitPeriph( void )
{
/* Init GPIO pins */
GpioInit(&Led1, LED_1, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1);
/* Init GPIO debug pins */
GpioInit(&dbgPin0, PB_0, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0);
GpioInit(&dbgPin1, PB_2, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0);
GpioInit(&dbgPin2, PB_3, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0);
/* Init GPS */
GpsInit();
// Switch LED 1 OFF
GpioWrite(&Led1, 1);
}
static void i2c_reset(void)
{
uint16_t i;
/* Configure I2Cx pins: SCL and SDA */
/* Output value must be set to 1 to not drive lines low... We set */
/* SCL first, to ensure it is high before changing SDA. */
GpioInit(I2Cx_PORT,I2Cx_SCL_PIN | I2Cx_SDA_PIN,GPIO_Mode_Out_OD,1);
/* In some situations (after a reset during an I2C transfer), the slave */
/* device may be left in an unknown state. Send 9 clock pulses just in case. */
for (i = 0; i < 9; i++)
{
/*
* TBD: Seems to be clocking at appr 80kHz-120kHz depending on compiler
* optimization when running at 14MHz. A bit high for standard mode devices,
* but DVK only has fast mode devices. Need however to add some time
* measurement in order to not be dependable on frequency and code executed.
*/
i2c_semidelay();
GPIO_ResetBits(I2Cx_PORT,I2Cx_SCL_PIN); /* SCL -> 0 */
i2c_semidelay();
GPIO_SetBits(I2Cx_PORT,I2Cx_SCL_PIN); /* SCL -> 1 */
}
i2c_stop();
}
void init(){
GLCD_Ctrl (FALSE);
// Init GPIO
GpioInit();
#ifndef SDRAM_DEBUG
// MAM init
MAMCR_bit.MODECTRL = 0;
MAMTIM_bit.CYCLES = 3; // FCLK > 40 MHz
MAMCR_bit.MODECTRL = 2; // MAM functions fully enabled
// Init clock
InitClock();
// SDRAM Init
SDRAM_Init();
#endif // SDRAM_DEBUG
// Init VIC
VIC_Init();
// GLCD init
GLCD_Init (NULL, NULL);
// Disable Hardware cursor
GLCD_Cursor_Dis(0);
// Touched indication LED
USB_H_LINK_LED_SEL = 0; // GPIO
USB_H_LINK_LED_FSET = USB_H_LINK_LED_MASK;
USB_H_LINK_LED_FDIR |= USB_H_LINK_LED_MASK;
__enable_interrupt();
// Enable GLCD
GLCD_Ctrl (TRUE);
}
void AdcMcuInit( Adc_t *obj, PinNames adcInput )
{
obj->Adc = ( ADC_TypeDef *)ADC1_BASE;
ADC_DeInit( obj->Adc );
GpioInit( &obj->AdcInput, adcInput, PIN_ANALOGIC, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
}