/********************************************************************
* DisplayInit() - Initialization routine for the Display module.
********************************************************************/
void DisplayInit(void) {
/* Initialize GPIOs */
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
#ifndef DEBUG
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOC);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOE);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF);
#endif
/* Initialize GPIO drive modes */
GPIOPinTypeGPIOOutputOD(GPIO_PORTB_BASE, GPIO_ALL);
#ifndef DEBUG
GPIOPinTypeGPIOOutputOD(GPIO_PORTA_BASE, GPIO_ALL & ~(BIT0 | BIT1));
GPIOPinTypeGPIOOutputOD(GPIO_PORTC_BASE, GPIO_HNIB);
GPIOPinTypeGPIOOutputOD(GPIO_PORTD_BASE, GPIO_LNIB);
GPIOPinTypeGPIOOutputOD(GPIO_PORTE_BASE, GPIO_ALL & ~(BIT6 | BIT7));
GPIOPinTypeGPIOOutputOD(GPIO_PORTF_BASE, GPIO_LNIB);
#endif
/* Initialize States */
GPIOPinWrite(GPIO_PORTB_BASE, GPIO_ALL, GPIO_ALL);
#ifndef DEBUG
GPIOPinWrite(GPIO_PORTE_BASE, BIT4 | BIT5, GPIO_ALL);
GPIOPinWrite(GPIO_PORTA_BASE, GPIO_ALL & ~(BIT0 | BIT1), GPIO_ALL);
GPIOPinWrite(GPIO_PORTD_BASE, GPIO_LNIB, GPIO_ALL);
GPIOPinWrite(GPIO_PORTC_BASE, GPIO_HNIB, GPIO_ALL);
GPIOPinWrite(GPIO_PORTE_BASE, GPIO_LNIB, GPIO_ALL);
GPIOPinWrite(GPIO_PORTF_BASE, GPIO_LNIB, GPIO_ALL);
#endif
}
//*****************************************************************************
//
// Initializes the dynamic braking control routines.
//
// This function initializes the ADC module and the control routines,
// preparing them to monitor currents and voltages on the motor drive.
//
// \return None.
//
//*****************************************************************************
void
BrakeInit(void)
{
//
// Configure the brake control pin as an open-drain output, allowing the
// signal to float high in the "1" state (Brake disabled).
//
GPIOPinTypeGPIOOutputOD(PIN_BRAKE_PORT, PIN_BRAKE_PIN);
GPIOPinWrite(PIN_BRAKE_PORT, PIN_BRAKE_PIN, PIN_BRAKE_PIN);
//
// The initial brake state is off.
//
g_ulBrakeState = STATE_BRAKE_OFF;
//
// The initial brake count is zero.
//
g_ulBrakeCount = 0;
}
