void PSO_Timers()
{
uint32_t ui32Period;
SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER0);
TimerConfigure(TIMER0_BASE, TIMER_CFG_PERIODIC);
ui32Period = (SysCtlClockGet() / 10) / 2;
TimerLoadSet(TIMER0_BASE, TIMER_A, ui32Period -1);
IntEnable(INT_TIMER0A);
TimerIntEnable(TIMER0_BASE, TIMER_TIMA_TIMEOUT);
IntMasterEnable();
TimerEnable(TIMER0_BASE, TIMER_A);
// ROM_TimerControlEvent(WTIMER1_BASE, TIMER_BOTH,TIMER_EVENT_BOTH_EDGES);
// ROM_TimerControlEvent(WTIMER5_BASE, TIMER_BOTH,TIMER_EVENT_BOTH_EDGES);
//
// ROM_TimerConfigure(WTIMER1_BASE, TIMER_CFG_SPLIT_PAIR|TIMER_CFG_A_CAP_TIME|TIMER_CFG_B_CAP_TIME); // Timer 1-A and -B events edge-timer
// ROM_TimerConfigure(WTIMER5_BASE, TIMER_CFG_SPLIT_PAIR|TIMER_CFG_A_CAP_TIME|TIMER_CFG_B_CAP_TIME); // Timer 1-A and -B events edge-timer
// //
// ROM_GPIOPinTypeTimer(GPIO_PORTC_BASE,GPIO_PIN_6); // Set Port PC6 as Capture
// ROM_GPIOPinConfigure(GPIO_PC6_WT1CCP0);
//
// ROM_GPIOPinTypeTimer(GPIO_PORTC_BASE,GPIO_PIN_7); // Set Port PC7 as Capture
// ROM_GPIOPinConfigure(GPIO_PC7_WT1CCP1);
//
// ROM_GPIOPinTypeTimer(GPIO_PORTD_BASE,GPIO_PIN_6); // Set Port PD6 as Capture
// ROM_GPIOPinConfigure(GPIO_PD6_WT5CCP0);
//
// ROM_GPIOPinTypeTimer(GPIO_PORTD_BASE,GPIO_PIN_7); // Set Port PD7 as Capture
// ROM_GPIOPinConfigure(GPIO_PD7_WT5CCP1);
//
// TimerSynchronize(TIMER0_BASE, WTIMER_1A_SYNC|WTIMER_1B_SYNC|WTIMER_5A_SYNC|WTIMER_5B_SYNC);
//
// // Timer Interrupt Configuration
// ROM_IntEnable(INT_WTIMER1A); // Enable Wide Timer 1-A Interrupt (Macro shall be used individually)
// ROM_IntEnable(INT_WTIMER1B); // Enable Wide Timer 1-B Interrupt (Macro shall be used individually)
// ROM_IntEnable(INT_WTIMER5A); // Enable Wide Timer 5-A Interrupt (Macro shall be used individually)
// ROM_IntEnable(INT_WTIMER5B); // Enable Wide Timer 5-B Interrupt (Macro shall be used individually)
// ROM_TimerIntEnable(WTIMER1_BASE, TIMER_CAPA_EVENT|TIMER_CAPB_EVENT);
// ROM_TimerIntEnable(WTIMER5_BASE, TIMER_CAPA_EVENT|TIMER_CAPB_EVENT);
// ROM_TimerEnable(WTIMER1_BASE, TIMER_BOTH);
// ROM_TimerEnable(WTIMER5_BASE, TIMER_BOTH);
// ROM_IntMasterEnable();
}
/**
* In this function, the hardware should be initialized.
* Called from stellarisif_init().
*
* @param netif the already initialized lwip network interface structure
* for this ethernetif
*/
static void
stellarisif_hwinit(struct netif *netif)
{
u32_t temp;
//struct stellarisif *stellarisif = netif->state;
/* set MAC hardware address length */
netif->hwaddr_len = ETHARP_HWADDR_LEN;
/* set MAC hardware address */
EthernetMACAddrSet(ETH_BASE, &(netif->hwaddr[0]));
/* maximum transfer unit */
netif->mtu = 1500;
/* device capabilities */
/* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
/* Do whatever else is needed to initialize interface. */
/* Disable all Ethernet Interrupts. */
EthernetIntDisable(ETH_BASE, (ETH_INT_PHY | ETH_INT_MDIO | ETH_INT_RXER |
ETH_INT_RXOF | ETH_INT_TX | ETH_INT_TXER | ETH_INT_RX));
temp = EthernetIntStatus(ETH_BASE, false);
EthernetIntClear(ETH_BASE, temp);
/* Initialize the Ethernet Controller. */
EthernetInitExpClk(ETH_BASE, SysCtlClockGet());
/*
* Configure the Ethernet Controller for normal operation.
* - Enable TX Duplex Mode
* - Enable TX Padding
* - Enable TX CRC Generation
* - Enable RX Multicast Reception
*/
EthernetConfigSet(ETH_BASE, (ETH_CFG_TX_DPLXEN |ETH_CFG_TX_CRCEN |
ETH_CFG_TX_PADEN | ETH_CFG_RX_AMULEN));
/* Enable the Ethernet Controller transmitter and receiver. */
EthernetEnable(ETH_BASE);
/* Enable the Ethernet Interrupt handler. */
IntEnable(INT_ETH);
/* Enable Ethernet TX and RX Packet Interrupts. */
EthernetIntEnable(ETH_BASE, ETH_INT_RX | ETH_INT_TX);
}
void turret_init(void) {
pwm_init();
adc_init();
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF);
GPIOPinTypeGPIOOutput(GPIO_PORTF_BASE, GPIO_PIN_2);
GPIOPinWrite(GPIO_PORTF_BASE, GPIO_PIN_2, GPIO_PIN_2);
SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER4);
TimerConfigure(TIMER4_BASE, TIMER_CFG_A_PERIODIC | TIMER_CFG_B_PERIODIC | TIMER_CFG_SPLIT_PAIR); //Timer B pour les actionneurs
TimerLoadSet(TIMER4_BASE, TIMER_A, SysCtlClockGet()/50);
IntEnable(INT_TIMER4A);
TimerIntEnable(TIMER4_BASE, TIMER_TIMA_TIMEOUT);
TimerEnable(TIMER4_BASE, TIMER_A);
TimerEnable(TIMER4_BASE, TIMER_B);
}
void UART_init(void) {
SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
UARTConfigSetExpClk(UART0_BASE, SysCtlClockGet(), 9600, (UART_CONFIG_WLEN_8 | UART_CONFIG_STOP_ONE | UART_CONFIG_PAR_NONE));
GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1);
UARTFIFOEnable(UART0_BASE);
UARTFIFOLevelSet(UART0_BASE, UART_FIFO_TX1_8, UART_FIFO_RX4_8);
UARTIntClear(UART0_BASE, 0xFFFFFFFF);
IntEnable(INT_UART0);
UARTIntEnable(UART0_BASE, UART_INT_RX);
uart_transmit("AmpTraXX2!\n", 11);
}
//*****************************************************************************
//
//! Registers an interrupt handler for the watchdog timer interrupt.
//!
//! \param ui32Base is the base address of the watchdog timer module.
//! \param pfnHandler is a pointer to the function to be called when the
//! watchdog timer interrupt occurs.
//!
//! This function does the actual registering of the interrupt handler. This
//! function also enables the global interrupt in the interrupt controller; the
//! watchdog timer interrupt must be enabled via WatchdogEnable(). It is the
//! interrupt handler's responsibility to clear the interrupt source via
//! WatchdogIntClear().
//!
//! \sa IntRegister() for important information about registering interrupt
//! handlers.
//!
//! \note For parts with a watchdog timer module that has the ability to
//! generate an NMI instead of a standard interrupt, this function registers
//! the standard watchdog interrupt handler. To register the NMI watchdog
//! handler, use IntRegister() to register the handler for the
//! \b FAULT_NMI interrupt.
//!
//! \return None.
//
//*****************************************************************************
void WatchdogIntRegister(uint32_t ui32Base, void (*pfnHandler)(void)) {
//
// Check the arguments.
//
ASSERT((ui32Base == WATCHDOG0_BASE) || (ui32Base == WATCHDOG1_BASE));
//
// Register the interrupt handler.
//
IntRegister(INT_WATCHDOG_TM4C123, pfnHandler);
//
// Enable the watchdog timer interrupt.
//
IntEnable(INT_WATCHDOG_TM4C123);
}
void configure_uart_printf(void) {
g_ulBase = UART3_BASE;
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOC);
SysCtlPeripheralEnable(SYSCTL_PERIPH_UART3);
GPIOPinConfigure(GPIO_PC6_U3RX);
GPIOPinConfigure(GPIO_PC7_U3TX);
GPIOPinTypeUART(GPIO_PORTC_BASE, GPIO_PIN_6 | GPIO_PIN_7);
UARTConfigSetExpClk(UART3_BASE, SysCtlClockGet(), 38400,
(UART_CONFIG_WLEN_8 | UART_CONFIG_STOP_ONE |
UART_CONFIG_PAR_NONE));
IntEnable(INT_UART3);
UARTIntEnable(UART3_BASE, UART_INT_RX | UART_INT_TX);
}
void UART0_init(void)
{
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);
GPIOPinConfigure(GPIO_PA0_U0RX);
GPIOPinConfigure(GPIO_PA1_U0TX);
GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1);
UARTClockSourceSet(UART0_BASE, UART_CLOCK_PIOSC);
UARTStdioConfig(0, 115200, 16000000);
IntMasterEnable(); //全局中断使能
IntEnable(INT_UART0); //使能串口0中断
UARTIntEnable(UART0_BASE, UART_INT_RX | UART_INT_RT); //使能串口0接收中断和接收超时中断
UARTEnable(UART0_BASE); //使能串口1（UARTO）发送和接收
}
static void ConfigureIntUART(void)
{
#ifdef _TMS320C6X
IntRegister(C674X_MASK_INT4, UARTIsr);
IntEventMap(C674X_MASK_INT4, SYS_INT_UART2_INT);
IntEnable(C674X_MASK_INT4);
#else
/* Registers the UARTIsr in the Interrupt Vector Table of AINTC. */
IntRegister(SYS_INT_UARTINT2, UARTIsr);
/* Map the channel number 2 of AINTC to UART2 system interrupt. */
IntChannelSet(SYS_INT_UARTINT2, 2);
IntSystemEnable(SYS_INT_UARTINT2);
#endif
}
void delay_msec(unsigned int delay_time)
{
TimerInterrupt = 0;
TimerLoadSet(GPTIMER3_BASE, GPTIMER_A, ((32000/20) * delay_time));
IntMasterEnable();
TimerIntEnable(GPTIMER3_BASE, GPTIMER_TIMA_TIMEOUT);
IntEnable(INT_TIMER3A);
TimerEnable(GPTIMER3_BASE, GPTIMER_A);
while(TimerInterrupt != TIME_REACHED);
TimerInterrupt = 0;
}
void InitTimer2(uint32_t ui32SysClock)
{
// Enable the peripherals.
SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER2);
// Configure the 32-bit periodic timer.
TimerConfigure(TIMER2_BASE, TIMER_CFG_PERIODIC);
TimerLoadSet(TIMER2_BASE, TIMER_A, ui32SysClock / F_INTERRUPTS);
// Setup the interrupts for the timer timeouts.
IntEnable(INT_TIMER2A);
TimerIntEnable(TIMER2_BASE, TIMER_TIMA_TIMEOUT);
// Enable the timer.
TimerEnable(TIMER2_BASE, TIMER_A);
}
/*
* function: InitSamplingTimer
* return: none
* */
void InitSamplingTimer() {
SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER0);
TimerConfigure(TIMER0_BASE, TIMER_CFG_PERIODIC);
TimerControlTrigger(TIMER0_BASE, TIMER_A, true);
TimerLoadSet(TIMER0_BASE, TIMER_A, LoadTimer);
/*
* timer set : 20 (us)
* */
// Enable the sampling interrupt
IntEnable(INT_TIMER0A);
// When timer hits zero, call interrupt
TimerIntEnable(TIMER0_BASE, TIMER_TIMA_TIMEOUT);
// Start the sampling timer
TimerEnable(TIMER0_BASE, TIMER_A);
}
void InitUart2(void)
{
SysCtlPeripheralEnable(SYSCTL_PERIPH_UART2);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
GPIOPinConfigure(GPIO_PA6_U2RX);
GPIOPinConfigure(GPIO_PA7_U2TX);
GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_6 | GPIO_PIN_7);
UARTFIFOLevelSet(UART2_BASE, UART_FIFO_TX1_8, UART_FIFO_RX1_8);
UARTTxIntModeSet(UART2_BASE, UART_TXINT_MODE_EOT);
UARTFIFOEnable(UART2_BASE);
IntEnable(INT_UART2);
UARTIntEnable(UART2_BASE, UART_INT_RX | UART_INT_RT | UART_INT_TX);
}
void InitUart4(void)
{
SysCtlPeripheralEnable(SYSCTL_PERIPH_UART4);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
GPIOPinConfigure(GPIO_PA2_U4RX);
GPIOPinConfigure(GPIO_PA3_U4TX);
GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_2 | GPIO_PIN_3);
UARTFIFOLevelSet(UART4_BASE, UART_FIFO_TX1_8, UART_FIFO_RX1_8);
UARTTxIntModeSet(UART4_BASE, UART_TXINT_MODE_EOT);
UARTFIFOEnable(UART4_BASE);
IntEnable(INT_UART4);
UARTIntEnable(UART4_BASE, UART_INT_RX | UART_INT_RT | UART_INT_TX);
}
void InitUart0(void)
{
SysCtlPeripheralEnable(SYSCTL_PERIPH_UART0);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOA);
GPIOPinConfigure(GPIO_PA0_U0RX);
GPIOPinConfigure(GPIO_PA1_U0TX);
GPIOPinTypeUART(GPIO_PORTA_BASE, GPIO_PIN_0 | GPIO_PIN_1);
UARTFIFOLevelSet(UART0_BASE, UART_FIFO_TX1_8, UART_FIFO_RX1_8);
UARTTxIntModeSet(UART0_BASE, UART_TXINT_MODE_EOT);
UARTFIFOEnable(UART0_BASE);
IntEnable(INT_UART0);
UARTIntEnable(UART0_BASE, UART_INT_RX | UART_INT_RT | UART_INT_TX);
}
//*****************************************************************************
//
//! Initialization the I2C bus module.
//!
//! \param bus specifies the i2c bus data structure.
//!
//! This function initialization the I2C hardware bus, it will open the i2c peripheral
//! and config the I2C gpio
//!
//! \return 0 is OK.
//
//*****************************************************************************
int ipmi_i2c_bus_init(ipmi_i2c_bus *bus)
{
//
// Check the arguments.
//
ASSERT(bus->sys_peripheral);
ASSERT(bus->i2c_scl_periph);
ASSERT(bus->i2c_sda_periph);
ASSERT(bus->i2c_scl_gpio_port);
ASSERT(bus->i2c_sda_gpio_port);
ASSERT(bus->i2c_scl_gpio_pin);
ASSERT(bus->i2c_sda_gpio_pin);
ASSERT(bus->i2c_hw_master_base);
// 初始化链表结构
INIT_LIST_HEAD(&bus->list);
// 初始化系统硬件外设
SysCtlPeripheralEnable(bus->sys_peripheral);
// 初始化SCL管脚硬件外设
SysCtlPeripheralEnable(bus->i2c_scl_periph);
if (bus->i2c_scl_gpio_mux)
GPIOPinConfigure(bus->i2c_scl_gpio_mux);
GPIOPinTypeI2C(bus->i2c_scl_gpio_port, bus->i2c_scl_gpio_pin);
// 初始化SDA管脚硬件外设
SysCtlPeripheralEnable(bus->i2c_sda_periph);
if (bus->i2c_sda_gpio_mux)
GPIOPinConfigure(bus->i2c_sda_gpio_mux);
GPIOPinTypeI2C(bus->i2c_sda_gpio_port, bus->i2c_sda_gpio_pin);
// 设备使能，开中断
I2CMasterInit(bus->i2c_hw_master_base, false);
if (bus->i2c_int)
{
//I2CIntRegister(bus->i2c_hw_master_base);
IntEnable(bus->i2c_int);
I2CMasterIntEnable(bus->i2c_hw_master_base);
}
I2CMasterEnable(bus->i2c_hw_master_base);
list_add(&bus->list, &ipmi_i2c_bus_root.head);
ipmi_i2c_bus_root.count++;
return 0;
}
void initQEI(void){
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOC); //PhA sur C4 et PhB sur C6
SysCtlPeripheralEnable(SYSCTL_PERIPH_QEI0);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOE); //PhA sur E3 et PhB sur E2
SysCtlPeripheralEnable(SYSCTL_PERIPH_QEI1);
//init QEI0 du micro pour moteur 0
GPIOPinConfigure(GPIO_PC4_PHA0);
GPIOPinConfigure(GPIO_PC6_PHB0);
GPIOPinTypeQEI(GPIO_PORTC_BASE, GPIO_PIN_4); //Ph A
GPIOPinTypeQEI(GPIO_PORTC_BASE, GPIO_PIN_6); //Ph B
QEIDisable(QEI0_BASE);
QEIConfigure(QEI0_BASE, (QEI_CONFIG_CAPTURE_A_B | QEI_CONFIG_NO_RESET|
QEI_CONFIG_QUADRATURE | QEI_CONFIG_NO_SWAP), 1000000); //64 counts par révolution de moteur avec un ratio 100:1
QEIEnable(QEI0_BASE);
QEIPositionSet(QEI0_BASE,0);
QEIVelocityDisable(QEI0_BASE);
QEIVelocityConfigure (QEI0_BASE, QEI_VELDIV_1, ROM_SysCtlClockGet()*dt);
QEIVelocityEnable(QEI0_BASE);
//init QEI1 du micro pour moteur 1
GPIOPinConfigure(GPIO_PE3_PHA1);
GPIOPinConfigure(GPIO_PE2_PHB1);
GPIOPinTypeQEI(GPIO_PORTE_BASE, GPIO_PIN_3); //Ph A
GPIOPinTypeQEI(GPIO_PORTE_BASE, GPIO_PIN_2); //Ph B
QEIDisable(QEI1_BASE);
QEIConfigure(QEI1_BASE, (QEI_CONFIG_CAPTURE_A_B | QEI_CONFIG_NO_RESET|
QEI_CONFIG_QUADRATURE | QEI_CONFIG_NO_SWAP), 1000000); //64 counts par révolution de moteur avec un ratio 100:1
QEIEnable(QEI1_BASE);
QEIPositionSet(QEI1_BASE,0);
QEIVelocityDisable(QEI1_BASE);
QEIVelocityConfigure (QEI1_BASE, QEI_VELDIV_1, ROM_SysCtlClockGet()*dt);
QEIVelocityEnable(QEI1_BASE);
//init decodeur fait a la mitaine pour moteur 2 et 3 (pins J4 et J5 pour moteur 2, J6 et J7 pour moteur 3)
GPIOPadConfigSet(GPIO_PORTE_BASE, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_6 | GPIO_PIN_7, GPIO_STRENGTH_4MA, GPIO_PIN_TYPE_STD_WPD);
GPIOPinTypeGPIOInput(GPIO_PORTE_BASE, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_6 | GPIO_PIN_7);
GPIOIntTypeSet(GPIO_PORTE_BASE, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_6 | GPIO_PIN_7, GPIO_BOTH_EDGES);
GPIOPinIntEnable(GPIO_PORTE_BASE, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_6 | GPIO_PIN_7);
IntEnable(INT_GPIOE);
position_m0 = 0;
position_m1 = 0;
position_m2 = 0;
position_m3 = 0;
}
//============================================================================//
//== ADC初始化函数 ==//
//============================================================================//
//==说明: 对于测试将方波滤波成为正弦波的测试,需要改变AD的采样频率 ==//
//== SYSCTL_ADCSPEED_1MSPS // 采样速率：1M次采样/秒 ==//
//== SYSCTL_ADCSPEED_500KSPS // 采样速率：500K次采样/秒 ==//
//== SYSCTL_ADCSPEED_250KSPS // 采样速率：250K次采样/秒 ==//
//== SYSCTL_ADCSPEED_125KSPS // 采样速率：125K次采样/秒 ==//
//== 频率高的方波AD采样频率应适当增加 ==//
//==入口参数: 无 ==//
//==出口参数: 无 ==//
//==返回值: 无 ==//
//============================================================================//
void ADCInit(void)
{
SysCtlPeriEnable(SYSCTL_PERIPH_ADC); // 使能ADC模块
SysCtlADCSpeedSet(SYSCTL_ADCSPEED_500KSPS); // 设置ADC采样速率
ADCSequDisable(ADC_BASE, 0); // 配置前先禁止采样序列
// 采样序列配置：ADC基址，采样序列编号，触发事件，采样优先级
ADCSequConfig(ADC_BASE, 0, ADC_TRIGGER_PROCESSOR, 0);
// 采样步进设置：ADC基址，采样序列编号，步值，通道设置(ADC0转换完后停止触发中断)
ADCSequStepConfig(ADC_BASE, 0, 0, ADC_CTL_CH0 |
ADC_CTL_END |
ADC_CTL_IE);
ADCIntEnable(ADC_BASE, 0); // 使能ADC中断
IntEnable(INT_ADC0); // 使能ADC采样序列中断
ADCIntRegister(ADC_BASE, 0, ADC_ISR);
IntMasterEnable( ); // 使能处理器中断
ADCSequEnable(ADC_BASE, 0); // 使能采样序列
}
/*
* Function Name: setTimer()
* Input: none
* Output: none
* Description: Enable the timer
* Example Call: setTimer();
*/
void setTimer(void) {
uint32_t ui32Period;
SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER0);
TimerConfigure(TIMER0_BASE, TIMER_CFG_PERIODIC);
// Enables the timer that operates for 1000ms
ui32Period = (SysCtlClockGet());
TimerLoadSet(TIMER0_BASE, TIMER_A, ui32Period - 1);
// Enable the interrupt
IntEnable(INT_TIMER0A);
TimerIntEnable(TIMER0_BASE, TIMER_TIMA_TIMEOUT);
IntMasterEnable();
// Enable the timer
TimerEnable(TIMER0_BASE, TIMER_A);
}
/**
* @brief Función para inicializar uno de los puertos UART.
*
* @return -
*
* Inicializa el puerto 0 de la UART.
*/
int UART_open(int nPort)
{
initUartPins(nPort);
UARTDisable(gs_ul_uarts_bases[nPort]);
UARTConfigSetExpClk(gs_ul_uarts_bases[nPort], SysCtlClockGet(), BAUD_RATE, DATA_FRAME);
UARTEnable(gs_ul_uarts_bases[nPort]);
gs_cu_uarts[nPort].inHead = 0;
gs_cu_uarts[nPort].inTail = 0;
gs_cu_uarts[nPort].inHead = 0;
gs_cu_uarts[nPort].inTail = 0;
gs_cu_uarts[nPort].intWhileWriting = 0;
gs_cu_uarts[nPort].writingToBuf=0;
UARTFIFOLevelSet(gs_ul_uarts_bases[nPort], UART_FIFO_TX1_8, UART_FIFO_RX1_8);
IntEnable(gs_ul_uarts_ints[nPort]);
UARTIntEnable(gs_ul_uarts_bases[nPort], UART_INT_TX | UART_INT_RX | UART_INT_RT);
return 0;
}
void qeiInit(void) {
SysCtlPeripheralEnable(SYSCTL_PERIPH_QEI0);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF);
HWREG(GPIO_PORTF_BASE + GPIO_O_LOCK) = GPIO_LOCK_KEY;
HWREG(GPIO_PORTF_BASE + GPIO_O_CR) |= 0x01;
HWREG(GPIO_PORTF_BASE + GPIO_O_LOCK) = 0;
GPIOPinTypeQEI(GPIO_PORTF_BASE, GPIO_PIN_0);
GPIOPinTypeQEI(GPIO_PORTF_BASE, GPIO_PIN_1);
GPIOPinConfigure(GPIO_PF0_PHA0);
GPIOPinConfigure(GPIO_PF1_PHB0);
QEIConfigure(QEI0_BASE,QEI_CONFIG_CAPTURE_A_B | QEI_CONFIG_QUADRATURE | QEI_CONFIG_NO_RESET | QEI_CONFIG_NO_SWAP,3999);
QEIVelocityConfigure(QEI0_BASE, QEI_VELDIV_1, SysCtlClockGet()/QEIfrequency);
QEIVelocityEnable(QEI0_BASE);
QEIIntEnable(QEI0_BASE, QEI_INTTIMER);
IntEnable(INT_QEI0);
QEIEnable(QEI0_BASE);
}
int ADC_Collect(unsigned int channelNum, unsigned int fs,
void (*task)(unsigned short)){
unsigned long config;
ADCTask = task;
// Determine input channel
switch(channelNum){
case 0: config = ADC_CTL_CH0; break;
case 1: config = ADC_CTL_CH1; break;
case 2: config = ADC_CTL_CH2; break;
case 3: config = ADC_CTL_CH3; break;
}
ADCSequenceDisable(ADC0_BASE, 0);
// Enable the ADC0 for interrupt Sequence 0 with lower priority then single shot
ADCSequenceConfigure(ADC0_BASE, 0, ADC_TRIGGER_TIMER, 1);
// Configuring steps of sequence, last step contains ADC_CTL_END and ADC_CTL_IE config paramter
config |= ADC_CTL_END | ADC_CTL_IE;
ADCSequenceStepConfigure(ADC0_BASE, 0, 0, config);
// Disabling Timer0A for configuration
TimerDisable(TIMER0_BASE, TIMER_A);
// Configure as 16 bit timer and trigger ADC conversion
TimerControlTrigger(TIMER0_BASE, TIMER_A, true);
TimerLoadSet(TIMER0_BASE, TIMER_A, SysCtlClockGet()/ fs);
TimerIntClear(TIMER0_BASE, TIMER_TIMA_TIMEOUT);
ADCSequenceOverflowClear(ADC0_BASE, 0);
ADCSequenceUnderflowClear(ADC0_BASE, 0);
ADCIntClear(ADC0_BASE, 0);
ADCSequenceEnable(ADC0_BASE, 0);
TimerEnable(TIMER0_BASE, TIMER_A);
TimerIntEnable(TIMER0_BASE, TIMER_A);
ADCIntEnable(ADC0_BASE, 0);
IntEnable(INT_ADC0SS0);
return 1;
}
void Tach_Init(void) {
SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER0);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
GPIOPinTypeTimer(GPIO_PORTB_BASE, GPIO_PIN_0);
/* Setup Timer0A Counter in edge-time-capture mode. */
TimerDisable(TIMER0_BASE, TIMER_A);
//TimerConfigure(TIMER0_BASE, TIMER_CFG_16_BIT_PAIR | TIMER_CFG_A_CAP_TIME | TIMER_CFG_B_PERIODIC);
TimerIntEnable(TIMER0_BASE, TIMER_CAPA_EVENT | TIMER_TIMA_TIMEOUT);
TimerControlEvent(TIMER0_BASE, TIMER_A, TIMER_EVENT_POS_EDGE);
TimerLoadSet(TIMER0_BASE, TIMER_A, 0xFFFF);
IntEnable(INT_TIMER0A); // Activate timer
TimerEnable(TIMER0_BASE, TIMER_A);
}
//*****************************************************************************
//
//! This enables the PPS Port K GPIO interrupt then waits for a PPS interrupt
//! and subsequent data log.
//
//*****************************************************************************
int ppsDataLog(void) {
//
// Enable interrupt to fire GPS read/write on next PPS signal.
//
IntEnable(INT_GPIOK);
//
// Spin here waiting for a PPS signal
//
while (!logComplete);
//
// Reset the log indicator
//
logComplete = 0;
return 0;
}
//*****************************************************************************
//! Registers an interrupt handler for the I2C module.
//!
//! \param ulBase is the base address of the I2C Master module.
//! \param pfnHandler is a pointer to the function to be called when the
//! I2C interrupt occurs.
//!
//! This sets the handler to be called when an I2C interrupt occurs. This will
//! enable the global interrupt in the interrupt controller; specific I2C
//! interrupts must be enabled via I2CMasterIntEnable() and
//! I2CSlaveIntEnable(). If necessary, it is the interrupt handler's
//! responsibility to clear the interrupt source via I2CMasterIntClear() and
//! I2CSlaveIntClear().
//!
//! \sa IntRegister() for important information about registering interrupt
//! handlers.
//!
//! \return None.
//*****************************************************************************
void
I2CIntRegister(unsigned long ulBase, void (*pfnHandler)(void))
{
unsigned long ulInt;
// Check the arguments.
ASSERT((ulBase == I2C0_MASTER_BASE) || (ulBase == I2C1_MASTER_BASE));
// Determine the interrupt number based on the I2C port.
ulInt = (ulBase == I2C0_MASTER_BASE) ? INT_I2C0 : INT_I2C1;
// Register the interrupt handler, returning an error if an error occurs.
IntRegister(ulInt, pfnHandler);
// Enable the I2C interrupt.
IntEnable(ulInt);
}
/*
Set up I2C pins and clock slow/fast
rate400 true = 400KHz, false 100KHz
*/
void MasterI2C0Init(int rate400)
{
//I2CMasterEnable(I2C0_MASTER_BASE); // causes fault
//
// Enable the I2C and GPIO port B blocks as they are needed by this driver.
//
SysCtlPeripheralEnable(SYSCTL_PERIPH_I2C0);
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
//Setup Mux
GPIOPinConfigure(GPIO_PB2_I2C0SCL);
GPIOPinConfigure(GPIO_PB3_I2C0SDA);
GPIOPinTypeI2C(GPIO_PORTB_BASE, GPIO_PIN_2 | GPIO_PIN_3); //Set up direction
//Reconfigure for correct operation
GPIOPadConfigSet(GPIO_PORTB_BASE, GPIO_PIN_2, GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_STD_WPU);
GPIOPadConfigSet(GPIO_PORTB_BASE, GPIO_PIN_3, GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_OD);
//
// Configure the I2C SCL and SDA pins for I2C operation.
//
//GPIOPinTypeI2CSCL(GPIO_PORTB_BASE, GPIO_PIN_2);
//GPIOPinTypeI2C(GPIO_PORTB_BASE, GPIO_PIN_3);
//
// Initialize the I2C master.
//
I2CMasterInitExpClk(I2C0_MASTER_BASE, SysCtlClockGet(), true);
SysCtlDelay(10000); // delay mandatory here - otherwise portion of SlaveAddrSet() lost!
// Register interrupt handler
// or we could just edit the startup.c file
//I2CIntRegister(I2C0_MASTER_BASE,I2C0IntHandler);
//
// Enable the I2C interrupt.
//
IntEnable(INT_I2C0); // already done via I2CIntRegister
I2CMasterIntEnableEx(I2C0_MASTER_BASE,I2C_MASTER_INT_DATA | I2C_MASTER_INT_TIMEOUT);
//
// Enable the I2C master interrupt.
//
I2CMasterIntEnable(I2C0_MASTER_BASE);
}
/**
* \brief Init function for the SW2 button.
*
* Parameters are ignored. They have been included because the prototype is
* dictated by the core sensor api. The return value is also not required by
* the API but otherwise ignored.
*
* \param type ignored
* \param value ignored
* \return ignored
*/
static int
config_sw2(int type, int value)
{
/* Enable clock to peripheral */
SysCtlPeripheralEnable(BUTTON_SW2_SYSCTL_PORT);
/* Configure pin */
config(BUTTON_SW2_PORT, BUTTON_SW2_PIN);
/* Enable interrupt in NVIC */
IntEnable(BUTTON_SW2_INT);
/* Register callback */
gpio_register_callback(btn_callback, BUTTON_SW2_PORT_NO, BUTTON_SW2_PIN_NO);
return 1;
}
//******** OS_AddDownTask ***************
// add a background task to run whenever the Down arror button is pushed
// Inputs: pointer to a void/void background function
// priority 0 is highest, 5 is lowest
// Outputs: 1 if successful, 0 if this thread can not be added
// It is assumed user task will run to completion and return
// This task can not spin block loop sleep or kill
// It can call issue OS_Signal, it can call OS_AddThread
// This task does not have a Thread ID
// In lab 2, this function can be ignored
// In lab 3, this command will be called will be called 0 or 1 times
// In lab 3, there will be up to four background threads, and this priority field
// determines the relative priority of these four threads
int OS_AddDownTask(void(*task)(void), unsigned long priority) {
long status;
status = StartCritical();
gButtonThreadDownPt = task;
gButtonThreadDownPriority = priority;
// Enabling interrupts
GPIOPinIntClear(GPIO_PORTE_BASE,GPIO_PIN_1);
GPIOPinIntEnable(GPIO_PORTE_BASE, GPIO_PIN_1);
IntPrioritySet(INT_GPIOE, (priority << 5));
IntEnable(INT_GPIOE);
EndCritical(status);
return 1;
}
//*****************************************************************************
//
// Registers an interrupt handler for the I2C module
//
//*****************************************************************************
void
I2CIntRegister(uint32_t ui32Base, void (*pfnHandler)(void))
{
uint32_t ui32Int;
// Check the arguments.
ASSERT(I2CBaseValid(ui32Base));
// Get the interrupt number.
ui32Int = INT_I2C_IRQ;
// Register the interrupt handler, returning an error if an error occurs.
IntRegister(ui32Int, pfnHandler);
// Enable the I2C interrupt.
IntEnable(ui32Int);
}
// *****************************************************************************
void initYaw (void)
{
// Register the handler for Port F into the vector table
GPIOPortIntRegister (GPIO_PORTF_BASE, YawChangeIntHandler);
// Enable and configure the port and pin used: input on PF5: Pin 27 & PF7: Pin 29
SysCtlPeripheralEnable (SYSCTL_PERIPH_GPIOF);
GPIOPadConfigSet (GPIO_PORTF_BASE, GPIO_PIN_5 | GPIO_PIN_7, GPIO_STRENGTH_2MA,
GPIO_PIN_TYPE_STD_WPU);
// Set up the pin change interrupt (both edges)
GPIOIntTypeSet (GPIO_PORTF_BASE, GPIO_PIN_5 | GPIO_PIN_7, GPIO_BOTH_EDGES);
// Enable the pin change interrupt
GPIOPinIntEnable (GPIO_PORTF_BASE, GPIO_PIN_5 | GPIO_PIN_7);
IntEnable (INT_GPIOF); // Note: INT_GPIOF defined in inc/hw_ints.h
}
void configure_uart_bt(void) {
g_ulBase = UART5_BASE;
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOE);
SysCtlPeripheralEnable(SYSCTL_PERIPH_UART5);
GPIOPinConfigure(GPIO_PE4_U5RX);
GPIOPinConfigure(GPIO_PE5_U5TX);
GPIOPinTypeUART(GPIO_PORTE_BASE, GPIO_PIN_4 | GPIO_PIN_5);
UARTConfigSetExpClk(UART5_BASE, SysCtlClockGet(), 38400,
(UART_CONFIG_WLEN_8 | UART_CONFIG_STOP_ONE |
UART_CONFIG_PAR_NONE));
IntEnable(INT_UART5);
//UARTFIFODisable(UART5_BASE);
UARTIntEnable(UART5_BASE, UART_INT_RX | UART_INT_TX);
}
