本文整理汇总了C++中NVIC_SetVector函数的典型用法代码示例。如果您正苦于以下问题:C++ NVIC_SetVector函数的具体用法?C++ NVIC_SetVector怎么用?C++ NVIC_SetVector使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了NVIC_SetVector函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: lp_ticker_init
/** Initialize the low power ticker
*
*/
void lp_ticker_init(void)
{
lptmr_config_t lptmrConfig;
if (lp_ticker_inited) {
return;
}
lp_ticker_inited = true;
/* Setup low resolution clock - RTC */
if (!rtc_isenabled()) {
rtc_init();
RTC_DisableInterrupts(RTC, kRTC_AlarmInterruptEnable | kRTC_SecondsInterruptEnable);
RTC_StartTimer(RTC);
}
RTC->TAR = 0; /* Write clears the IRQ flag */
NVIC_ClearPendingIRQ(RTC_IRQn);
NVIC_SetVector(RTC_IRQn, (uint32_t)rtc_isr);
NVIC_EnableIRQ(RTC_IRQn);
/* Setup high resolution clock - LPTMR */
LPTMR_GetDefaultConfig(&lptmrConfig);
/* Use 32kHz drive */
CLOCK_SetXtal32Freq(OSC32K_CLK_HZ);
lptmrConfig.prescalerClockSource = kLPTMR_PrescalerClock_2;
LPTMR_Init(LPTMR0, &lptmrConfig);
LPTMR_EnableInterrupts(LPTMR0, kLPTMR_TimerInterruptEnable);
NVIC_ClearPendingIRQ(LPTMR0_IRQn);
NVIC_SetVector(LPTMR0_IRQn, (uint32_t)lptmr_isr);
EnableIRQ(LPTMR0_IRQn);
}
开发者ID:StefanRastocky,项目名称:mbed-os,代码行数:35,代码来源:lp_ticker.c
示例2: t_init
void t_init(void)
{
LPC_TIM0->PR = 96000000-1;
LPC_TIM1->PR = 96-1;
*(int*)PCLKSEL0 |= 0x154;
*(int*)PCLKSEL1 |= 0x50000;
LPC_TIM0->TC=0;
LPC_TIM0->PC=0;
LPC_TIM1->TC=0;
LPC_TIM1->PC=0;
LPC_TIM0->MR0 = 0x1;
LPC_TIM1->MR0 = 10000000;
LPC_TIM0->MCR = 0x1;
LPC_TIM1->MCR = 0x0;
NVIC_SetVector(TIMER0_IRQn, (uint32_t)&en_uscount);
// NVIC_SetVector(TIMER0_IRQn, (uint32_t)&test1);
NVIC_SetVector (TIMER1_IRQn, (uint32_t)(executeI));
NVIC_EnableIRQ(TIMER0_IRQn);
NVIC_DisableIRQ(TIMER1_IRQn);
LPC_TIM0->TCR |= 0x1;
LPC_TIM1->TCR |= 0x1;
/* NVIC_SetPriority(TIMER0_IRQn, 0);
NVIC_SetPriority(UART1_IRQn, 2);
NVIC_SetPriority(TIMER1_IRQn, 0);
NVIC_SetPriority(UART0_IRQn, 2);
NVIC_SetPriority(UART3_IRQn, 2);
*/
}
开发者ID:njustlilin,项目名称:HW10112014,代码行数:28,代码来源:master_main.cpp
示例3: us_ticker_init
void us_ticker_init(void) {
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
if (us_ticker_inited) return;
us_ticker_inited = 1;
// Enable Timer clock
TIM_MST_RCC;
// Configure time base
TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
TIM_TimeBaseStructure.TIM_Period = 0xFFFF;
TIM_TimeBaseStructure.TIM_Prescaler = (uint16_t)(SystemCoreClock / 1000000) - 1; // 1 �s tick
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM_MST, &TIM_TimeBaseStructure);
// Configure interrupts
TIM_ITConfig(TIM_MST, TIM_IT_Update, ENABLE);
// Update interrupt used for 32-bit counter
NVIC_SetVector(TIM_MST_UP_IRQ, (uint32_t)tim_update_irq_handler);
NVIC_EnableIRQ(TIM_MST_UP_IRQ);
// Output compare interrupt used for timeout feature
NVIC_SetVector(TIM_MST_OC_IRQ, (uint32_t)tim_oc_irq_handler);
NVIC_EnableIRQ(TIM_MST_OC_IRQ);
// Enable timer
TIM_Cmd(TIM_MST, ENABLE);
}
开发者ID:AsamQi,项目名称:mbed,代码行数:31,代码来源:us_ticker.c
示例4: spi_enable_interrupt
/****************************************************************************
* void spi_enable_interrupt(spi_t *obj, uint32_t handler, uint8_t enable)
*
* This will enable the interrupt in NVIC for the associated USART RX channel
*
* * obj: pointer to spi object
* * handler: pointer to interrupt handler for this channel
* * enable: Whether to enable (true) or disable (false) the interrupt
*
****************************************************************************/
void spi_enable_interrupt(spi_t *obj, uint32_t handler, uint8_t enable)
{
IRQn_Type IRQvector;
switch ((uint32_t)obj->spi.spi) {
#ifdef USART0
case USART_0:
IRQvector = USART0_RX_IRQn;
break;
#endif
#ifdef USART1
case USART_1:
IRQvector = USART1_RX_IRQn;
break;
#endif
#ifdef USART2
case USART_2:
IRQvector = USART2_RX_IRQn;
break;
#endif
default:
error("Undefined SPI peripheral");
return;
}
if (enable == true) {
NVIC_SetVector(IRQvector, handler);
USART_IntEnable(obj->spi.spi, USART_IEN_RXDATAV);
NVIC_EnableIRQ(IRQvector);
} else {
NVIC_SetVector(IRQvector, handler);
USART_IntDisable(obj->spi.spi, USART_IEN_RXDATAV);
NVIC_DisableIRQ(IRQvector);
}
}
开发者ID:DidierVerachtert,项目名称:mbed-examples-stk3700,代码行数:45,代码来源:spi_api.c
示例5: us_ticker_init
void us_ticker_init(void)
{
if (us_ticker_inited) return;
us_ticker_inited = 1;
// Enable timer clock
TIM_MST_RCC;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 �s tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_Base_Init(&TimMasterHandle);
// Configure interrupts
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_UPDATE);
// Update interrupt used for 32-bit counter
NVIC_SetVector(TIM_MST_UP_IRQ, (uint32_t)tim_update_irq_handler);
NVIC_EnableIRQ(TIM_MST_UP_IRQ);
// Output compare interrupt used for timeout feature
NVIC_SetVector(TIM_MST_OC_IRQ, (uint32_t)tim_oc_irq_handler);
NVIC_EnableIRQ(TIM_MST_OC_IRQ);
// Enable timer
HAL_TIM_Base_Start(&TimMasterHandle);
}
开发者ID:nickmolo,项目名称:ECE477,代码行数:31,代码来源:us_ticker.c
示例6: serial_irq_set
//******************************************************************************
void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable)
{
MBED_ASSERT(obj->index < MXC_CFG_UART_INSTANCES);
// objs[obj->index] = obj;
switch (obj->index) {
case 0:
NVIC_SetVector(UART0_IRQn, (uint32_t)uart0_handler);
NVIC_EnableIRQ(UART0_IRQn);
break;
case 1:
NVIC_SetVector(UART1_IRQn, (uint32_t)uart1_handler);
NVIC_EnableIRQ(UART1_IRQn);
break;
case 2:
NVIC_SetVector(UART2_IRQn, (uint32_t)uart2_handler);
NVIC_EnableIRQ(UART2_IRQn);
break;
case 3:
NVIC_SetVector(UART3_IRQn, (uint32_t)uart3_handler);
NVIC_EnableIRQ(UART3_IRQn);
break;
default:
MBED_ASSERT(0);
}
if (irq == RxIrq) {
// Enable RX FIFO Threshold Interrupt
if (enable) {
// Clear pending interrupts
obj->uart->intfl = obj->uart->intfl;
obj->uart->inten |= (MXC_F_UART_INTFL_RX_FIFO_NOT_EMPTY | UART_ERRORS);
} else {
// Clear pending interrupts
obj->uart->intfl = obj->uart->intfl;
obj->uart->inten &= ~(MXC_F_UART_INTFL_RX_FIFO_NOT_EMPTY | UART_ERRORS);
}
} else if (irq == TxIrq) {
// Set TX Almost Empty level to interrupt when empty
MXC_SET_FIELD(&obj->uart->tx_fifo_ctrl,
MXC_F_UART_TX_FIFO_CTRL_FIFO_AE_LVL,
(MXC_UART_FIFO_DEPTH - 1) << MXC_F_UART_TX_FIFO_CTRL_FIFO_AE_LVL_POS);
// Enable TX Almost Empty Interrupt
if (enable) {
// Clear pending interrupts
obj->uart->intfl = obj->uart->intfl;
obj->uart->inten |= MXC_F_UART_INTFL_TX_FIFO_AE;
} else {
// Clear pending interrupts
obj->uart->intfl = obj->uart->intfl;
obj->uart->inten &= ~MXC_F_UART_INTFL_TX_FIFO_AE;
}
} else {
MBED_ASSERT(0);
}
}
开发者ID:MarceloSalazar,项目名称:mbed-os,代码行数:58,代码来源:serial_api.c
示例7: HAL_InitTick
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_Base_Init(&TimMasterHandle);
// Configure output compare channel 1 for mbed timeout (enabled later when used)
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Configure output compare channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
// Configure interrupts
// Update interrupt used for 32-bit counter
// Output compare channel 1 interrupt for mbed timeout
// Output compare channel 2 interrupt for HAL tick
NVIC_SetVector(TIM_MST_UP_IRQ, (uint32_t)timer_update_irq_handler);
NVIC_EnableIRQ(TIM_MST_UP_IRQ);
NVIC_SetPriority(TIM_MST_UP_IRQ, 0);
NVIC_SetVector(TIM_MST_OC_IRQ, (uint32_t)timer_oc_irq_handler);
NVIC_EnableIRQ(TIM_MST_OC_IRQ);
NVIC_SetPriority(TIM_MST_OC_IRQ, 1);
// Enable interrupts
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_UPDATE); // For 32-bit counter
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2); // For HAL tick
// Enable timer
HAL_TIM_Base_Start(&TimMasterHandle);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
开发者ID:DanKupiniak,项目名称:mbed,代码行数:58,代码来源:hal_tick.c
示例8: serial_tx_asynch
int serial_tx_asynch(serial_t *obj, const void *tx, size_t tx_length, uint8_t tx_width, uint32_t handler, uint32_t event, DMAUsage hint)
#endif
{
// DMA usage is currently ignored
(void) hint;
// Check buffer is ok
MBED_ASSERT(tx != (void*)0);
MBED_ASSERT(tx_width == 8); // support only 8b width
if (tx_length == 0) return 0;
// Set up buffer
h_serial_tx_buffer_set(obj, (void *)tx, tx_length, tx_width);
// Set up events
h_serial_tx_enable_event(obj, SERIAL_EVENT_TX_ALL, 0); // Clear all events
h_serial_tx_enable_event(obj, event, 1); // Set only the wanted events
UART_HandleTypeDef *handle = &UartHandle[SERIAL_OBJ(index)];
// Enable interrupt
IRQn_Type irqn = h_serial_get_irq_index(obj);
NVIC_ClearPendingIRQ(irqn);
NVIC_DisableIRQ(irqn);
NVIC_SetPriority(irqn, 1);
NVIC_SetVector(irqn, (uint32_t)handler);
NVIC_EnableIRQ(irqn);
#if DEVICE_SERIAL_ASYNCH_DMA
// Enable DMA interrupt
irqn = h_serial_tx_get_irqdma_index(obj);
NVIC_ClearPendingIRQ(irqn);
NVIC_DisableIRQ(irqn);
NVIC_SetPriority(irqn, 1);
NVIC_SetVector(irqn, (uint32_t)handler);
NVIC_EnableIRQ(irqn);
// the following function will enable program and enable the DMA transfer
if (HAL_UART_Transmit_DMA(handle, (uint8_t*)tx, tx_length) != HAL_OK)
{
/* Transfer error in transmission process */
return 0;
}
#else
// the following function will enable UART_IT_TXE and error interrupts
if (HAL_UART_Transmit_IT(handle, (uint8_t*)tx, tx_length) != HAL_OK)
{
/* Transfer error in transmission process */
return 0;
}
#endif
DEBUG_PRINTF("UART%u: Tx: 0=(%u, %u) %x\n", obj->serial.module+1, tx_length, tx_width, HAL_UART_GetState(handle));
return tx_length;
}
开发者ID:Farewellly,项目名称:mbed,代码行数:56,代码来源:serial_api.c
示例9: os_arch_os_init
os_error_t
os_arch_os_init(void)
{
os_error_t err;
int i;
/* Cannot be called within an ISR */
err = OS_ERR_IN_ISR;
if (__get_IPSR() == 0) {
err = OS_OK;
/* Drop priority for all interrupts */
for (i = 0; i < sizeof(NVIC->IP); i++) {
NVIC->IP[i] = 0xff;
}
/*
* Install default interrupt handler, which'll print out system
* state at the time of the interrupt, and few other regs which
* should help in trying to figure out what went wrong.
*/
NVIC_SetVector(-13, (uint32_t)os_default_irq_asm); /* Hardfault */
NVIC_SetVector(MemoryManagement_IRQn, (uint32_t)os_default_irq_asm);
NVIC_SetVector(BusFault_IRQn, (uint32_t)os_default_irq_asm);
NVIC_SetVector(UsageFault_IRQn, (uint32_t)os_default_irq_asm);
for (i = 0; i < NVIC_NUM_VECTORS - NVIC_USER_IRQ_OFFSET; i++) {
NVIC_SetVector(i, (uint32_t)os_default_irq_asm);
}
/* Call bsp related OS initializations */
os_bsp_init();
/* Set the PendSV interrupt exception priority to the lowest priority */
NVIC_SetPriority(PendSV_IRQn, PEND_SV_PRIO);
/* Set the SVC interrupt to priority 0 (highest configurable) */
NVIC_SetPriority(SVCall_IRQn, SVC_PRIO);
/*
* Set the os environment. This will set stack pointers and, based
* on the contents of os_flags, will determine if the tasks run in
* priviliged or un-privileged mode.
*/
os_set_env();
/* Check if privileged or not */
if ((__get_CONTROL() & 1) == 0) {
os_arch_init();
} else {
svc_os_arch_init();
}
}
return err;
}
开发者ID:eladgottlib,项目名称:incubator-mynewt-core,代码行数:55,代码来源:os_arch_arm.c
示例10: lp_ticker_init
void lp_ticker_init(void)
{
if (lp_ticker_inited) {
return;
}
lp_ticker_inited = 1;
counter_major = 0;
cd_major_minor_clks = 0;
cd_minor_clks = 0;
wakeup_tick = (uint32_t) -1;
// Reset module
SYS_ResetModule(timer2_modinit.rsetidx);
SYS_ResetModule(timer3_modinit.rsetidx);
// Select IP clock source
CLK_SetModuleClock(timer2_modinit.clkidx, timer2_modinit.clksrc, timer2_modinit.clkdiv);
CLK_SetModuleClock(timer3_modinit.clkidx, timer3_modinit.clksrc, timer3_modinit.clkdiv);
// Enable IP clock
CLK_EnableModuleClock(timer2_modinit.clkidx);
CLK_EnableModuleClock(timer3_modinit.clkidx);
// Configure clock
uint32_t clk_timer2 = TIMER_GetModuleClock((TIMER_T *) NU_MODBASE(timer2_modinit.modname));
uint32_t prescale_timer2 = clk_timer2 / TMR2_CLK_PER_SEC - 1;
MBED_ASSERT((prescale_timer2 != (uint32_t) -1) && prescale_timer2 <= 127);
MBED_ASSERT((clk_timer2 % TMR2_CLK_PER_SEC) == 0);
uint32_t cmp_timer2 = TMR2_CLK_PER_TMR2_INT;
MBED_ASSERT(cmp_timer2 >= TMR_CMP_MIN && cmp_timer2 <= TMR_CMP_MAX);
// Continuous mode
// NOTE: TIMER_CTL_CNTDATEN_Msk exists in NUC472, but not in M451/M480. In M451/M480, TIMER_CNT is updated continuously by default.
((TIMER_T *) NU_MODBASE(timer2_modinit.modname))->CTL = TIMER_PERIODIC_MODE | prescale_timer2/* | TIMER_CTL_CNTDATEN_Msk*/;
((TIMER_T *) NU_MODBASE(timer2_modinit.modname))->CMP = cmp_timer2;
// Set vector
NVIC_SetVector(timer2_modinit.irq_n, (uint32_t) timer2_modinit.var);
NVIC_SetVector(timer3_modinit.irq_n, (uint32_t) timer3_modinit.var);
NVIC_EnableIRQ(timer2_modinit.irq_n);
NVIC_EnableIRQ(timer3_modinit.irq_n);
TIMER_EnableInt((TIMER_T *) NU_MODBASE(timer2_modinit.modname));
TIMER_EnableWakeup((TIMER_T *) NU_MODBASE(timer2_modinit.modname));
// NOTE: TIMER_Start() first and then lp_ticker_set_interrupt(); otherwise, we may get stuck in lp_ticker_read() because
// timer is not running.
// Start timer
TIMER_Start((TIMER_T *) NU_MODBASE(timer2_modinit.modname));
// Schedule wakeup to match semantics of lp_ticker_get_compare_match()
lp_ticker_set_interrupt(wakeup_tick);
}
开发者ID:Archcady,项目名称:mbed-os,代码行数:54,代码来源:lp_ticker.c
示例11: serial_tx_asynch
/** Begin asynchronous TX transfer. The used buffer is specified in the serial object,
* tx_buff
*
* @param obj The serial object
* @param tx The buffer for sending
* @param tx_length The number of words to transmit
* @param tx_width The bit width of buffer word
* @param handler The serial handler
* @param event The logical OR of events to be registered
* @param hint A suggestion for how to use DMA with this transfer
* @return Returns number of data transfered, or 0 otherwise
*/
int serial_tx_asynch(serial_t *obj, const void *tx, size_t tx_length, uint8_t tx_width, uint32_t handler, uint32_t event, DMAUsage hint)
{
// Check buffer is ok
MBED_ASSERT(tx != (void*)0);
MBED_ASSERT(tx_width == 8); // support only 8b width
if (tx_length == 0) return 0;
// Set up buffer
h_serial_tx_buffer_set(obj, (void *)tx, tx_length, tx_width);
// Set up events
h_serial_tx_enable_event(obj, SERIAL_EVENT_TX_ALL, 0); // Clear all events
h_serial_tx_enable_event(obj, event, 1); // Set only the wanted events
// Enable interrupt
IRQn_Type irqn = h_serial_get_irq_index(obj);
NVIC_ClearPendingIRQ(irqn);
NVIC_DisableIRQ(irqn);
NVIC_SetPriority(irqn, 1);
NVIC_SetVector(irqn, (uint32_t)handler);
UartHandle.Instance = (USART_TypeDef *)SERIAL_OBJ(uart);
NVIC_EnableIRQ(irqn);
#if DEVICE_SERIAL_ASYNCH_DMA
// Enable DMA interrupt
irqn = h_serial_tx_get_irqdma_index(obj);
NVIC_ClearPendingIRQ(irqn);
NVIC_DisableIRQ(irqn);
NVIC_SetPriority(irqn, 1);
// NVIC_SetVector(irqn, (uint32_t)&h_serial_txdma_irq_handler_asynch);
NVIC_SetVector(irqn, (uint32_t)handler);
NVIC_EnableIRQ(irqn);
// the following function will enable program and enable the DMA transfer
if (HAL_UART_Transmit_DMA(&UartHandle, (uint8_t*)tx, tx_length) != HAL_OK)
{
/* Transfer error in transmission process */
return 0;
}
#else
// the following function will enable UART_IT_TXE and error interrupts
if (HAL_UART_Transmit_IT(&UartHandle, (uint8_t*)tx, tx_length) != HAL_OK)
{
/* Transfer error in transmission process */
return 0;
}
#endif
return tx_length;
}
开发者ID:Jinjeleta,项目名称:gcc4mbed,代码行数:64,代码来源:serial_api.c
示例12: lp_ticker_init
void lp_ticker_init(void)
{
if (lp_ticker_inited) {
return;
}
lp_ticker_inited = 1;
counter_major = 0;
cd_major_minor_ms = 0;
cd_minor_ms = 0;
wakeup_tick = TMR_CMP_MAX * MS_PER_TMR2_CLK / MS_PER_TICK;
// Reset module
SYS_ResetModule(timer2_modinit.rsetidx);
SYS_ResetModule(timer3_modinit.rsetidx);
// Select IP clock source
CLK_SetModuleClock(timer2_modinit.clkidx, timer2_modinit.clksrc, timer2_modinit.clkdiv);
CLK_SetModuleClock(timer3_modinit.clkidx, timer3_modinit.clksrc, timer3_modinit.clkdiv);
// Enable IP clock
CLK_EnableModuleClock(timer2_modinit.clkidx);
CLK_EnableModuleClock(timer3_modinit.clkidx);
// Configure clock
uint32_t clk_timer2 = TIMER_GetModuleClock((TIMER_T *) NU_MODBASE(timer2_modinit.modname));
uint32_t prescale_timer2 = clk_timer2 / TMR2_CLK_FREQ - 1;
MBED_ASSERT((prescale_timer2 != (uint32_t) -1) && prescale_timer2 <= 127);
uint32_t cmp_timer2 = MS_PER_TMR2_INT / MS_PER_TMR2_CLK;
MBED_ASSERT(cmp_timer2 >= TMR_CMP_MIN && cmp_timer2 <= TMR_CMP_MAX);
// Continuous mode
((TIMER_T *) NU_MODBASE(timer2_modinit.modname))->CTL = TIMER_PERIODIC_MODE | prescale_timer2 | TIMER_CTL_CNTDATEN_Msk;
((TIMER_T *) NU_MODBASE(timer2_modinit.modname))->CMP = cmp_timer2;
// Set vector
NVIC_SetVector(timer2_modinit.irq_n, (uint32_t) timer2_modinit.var);
NVIC_SetVector(timer3_modinit.irq_n, (uint32_t) timer3_modinit.var);
NVIC_EnableIRQ(timer2_modinit.irq_n);
NVIC_EnableIRQ(timer3_modinit.irq_n);
TIMER_EnableInt((TIMER_T *) NU_MODBASE(timer2_modinit.modname));
TIMER_EnableWakeup((TIMER_T *) NU_MODBASE(timer2_modinit.modname));
// Schedule wakeup to match semantics of lp_ticker_get_compare_match()
lp_ticker_set_interrupt(lp_ticker_read(), wakeup_tick);
// Start timer
TIMER_Start((TIMER_T *) NU_MODBASE(timer2_modinit.modname));
}
开发者ID:ARMmbed,项目名称:mbed-hal-nuc472,代码行数:49,代码来源:lp_ticker.c
示例13: serial_rx_asynch
/** Begin asynchronous RX transfer (enable interrupt for data collecting)
* The used buffer is specified in the serial object - rx_buff
*
* @param obj The serial object
* @param rx The buffer for sending
* @param rx_length The number of words to transmit
* @param rx_width The bit width of buffer word
* @param handler The serial handler
* @param event The logical OR of events to be registered
* @param handler The serial handler
* @param char_match A character in range 0-254 to be matched
* @param hint A suggestion for how to use DMA with this transfer
*/
void serial_rx_asynch(serial_t *obj, void *rx, size_t rx_length, uint8_t rx_width, uint32_t handler, uint32_t event, uint8_t char_match, DMAUsage hint)
{
// DMA usage is currently ignored
(void) hint;
/* Sanity check arguments */
MBED_ASSERT(obj);
MBED_ASSERT(rx != (void*)0);
MBED_ASSERT(rx_width == 8); // support only 8b width
h_serial_rx_enable_event(obj, SERIAL_EVENT_RX_ALL, 0);
h_serial_rx_enable_event(obj, event, 1);
// set CharMatch
if (char_match != SERIAL_RESERVED_CHAR_MATCH) {
obj->char_match = char_match;
}
h_serial_rx_buffer_set(obj, rx, rx_length, rx_width);
IRQn_Type irqn = h_serial_get_irq_index(obj);
NVIC_ClearPendingIRQ(irqn);
NVIC_DisableIRQ(irqn);
NVIC_SetPriority(irqn, 0);
NVIC_SetVector(irqn, (uint32_t)handler);
NVIC_EnableIRQ(irqn);
UART_HandleTypeDef *handle = &UartHandle[SERIAL_OBJ(index)];
// flush current data + error flags
__HAL_UART_CLEAR_PEFLAG(handle);
#if DEVICE_SERIAL_ASYNCH_DMA
// Enable DMA interrupt
irqn = h_serial_rx_get_irqdma_index(obj);
NVIC_ClearPendingIRQ(irqn);
NVIC_DisableIRQ(irqn);
NVIC_SetPriority(irqn, 1);
NVIC_SetVector(irqn, (uint32_t)handler);
NVIC_EnableIRQ(irqn);
// following HAL function will program and enable the DMA transfer
MBED_UART_Receive_DMA(handle, (uint8_t*)rx, rx_length);
#else
// following HAL function will enable the RXNE interrupt + error interrupts
HAL_UART_Receive_IT(handle, (uint8_t*)rx, rx_length);
#endif
/* Enable the UART Error Interrupt: (Frame error, noise error, overrun error) */
__HAL_UART_ENABLE_IT(handle, UART_IT_ERR);
DEBUG_PRINTF("UART%u: Rx: 0=(%u, %u, %u) %x\n", obj->serial.module+1, rx_length, rx_width, char_match, HAL_UART_GetState(handle));
return;
}
开发者ID:Farewellly,项目名称:mbed,代码行数:62,代码来源:serial_api.c
示例14: lptmr_init
static void lptmr_init(void) {
uint32_t extosc;
/* Clock the timer */
SIM->SCGC5 |= SIM_SCGC5_LPTMR_MASK;
/* Reset */
LPTMR0->CSR = 0;
#if defined(TARGET_KL43Z)
/* Set interrupt handler */
NVIC_SetVector(LPTMR0_IRQn, (uint32_t)lptmr_isr);
NVIC_EnableIRQ(LPTMR0_IRQn);
MCG->C1 |= MCG_C1_IRCLKEN_MASK;
extosc = mcgirc_frequency();
#else
/* Set interrupt handler */
NVIC_SetVector(LPTimer_IRQn, (uint32_t)lptmr_isr);
NVIC_EnableIRQ(LPTimer_IRQn);
/* Clock at (1)MHz -> (1)tick/us */
/* Check if the external oscillator can be divided to 1MHz */
extosc = extosc_frequency();
#endif
if (extosc != 0) { //If external oscillator found
if (extosc % 1000000u == 0) { //If it is a multiple if 1MHz
extosc /= 1000000;
if (extosc == 1) { //1MHz, set timerprescaler in bypass mode
LPTMR0->PSR = LPTMR_PSR_PCS(3) | LPTMR_PSR_PBYP_MASK;
return;
} else { //See if we can divide it to 1MHz
uint32_t divider = 0;
extosc >>= 1;
while (1) {
if (extosc == 1) {
LPTMR0->PSR = LPTMR_PSR_PCS(3) | LPTMR_PSR_PRESCALE(divider);
return;
}
if (extosc % 2 != 0) //If we can't divide by two anymore
break;
divider++;
extosc >>= 1;
}
}
}
}
开发者ID:bonzehan,项目名称:argon-rtos,代码行数:48,代码来源:us_ticker.c
示例15: us_ticker_init
void us_ticker_init(void)
{
if (ticker_inited) {
return;
}
ticker_inited = 1;
// Reset IP
SYS_ResetModule(TIMER_MODINIT.rsetidx);
// Select IP clock source
CLK_SetModuleClock(TIMER_MODINIT.clkidx, TIMER_MODINIT.clksrc, TIMER_MODINIT.clkdiv);
// Enable IP clock
CLK_EnableModuleClock(TIMER_MODINIT.clkidx);
// Timer for normal counter
uint32_t clk_timer = TIMER_GetModuleClock((TIMER_T *) NU_MODBASE(TIMER_MODINIT.modname));
uint32_t prescale_timer = clk_timer / NU_TMRCLK_PER_SEC - 1;
MBED_ASSERT((prescale_timer != (uint32_t) -1) && prescale_timer <= 127);
MBED_ASSERT((clk_timer % NU_TMRCLK_PER_SEC) == 0);
uint32_t cmp_timer = TMR_CMP_MAX;
MBED_ASSERT(cmp_timer >= TMR_CMP_MIN && cmp_timer <= TMR_CMP_MAX);
// NOTE: TIMER_CTL_CNTDATEN_Msk exists in NUC472, but not in M451. In M451, TIMER_CNT is updated continuously by default.
((TIMER_T *) NU_MODBASE(TIMER_MODINIT.modname))->CTL = TIMER_CONTINUOUS_MODE | prescale_timer/* | TIMER_CTL_CNTDATEN_Msk*/;
((TIMER_T *) NU_MODBASE(TIMER_MODINIT.modname))->CMP = cmp_timer;
NVIC_SetVector(TIMER_MODINIT.irq_n, (uint32_t) TIMER_MODINIT.var);
NVIC_EnableIRQ(TIMER_MODINIT.irq_n);
TIMER_EnableInt((TIMER_T *) NU_MODBASE(TIMER_MODINIT.modname));
TIMER_Start((TIMER_T *) NU_MODBASE(TIMER_MODINIT.modname));
}
开发者ID:mbedNoobNinja,项目名称:mbed,代码行数:34,代码来源:us_ticker.c
示例16: us_ticker_init
void us_ticker_init(void)
{
if (us_ticker_inited) {
us_ticker_disable_interrupt();
return;
}
US_TICKER_COUNTER->TimerControl = 0x0ul; // disable TIMER1 and reset all control
US_TICKER_INTERRUPT->TimerControl = 0x0ul; // disable TIMER2 and reset all control
US_TICKER_COUNTER->TimerLoad = 0xFFFFFFFFul;
US_TICKER_INTERRUPT->TimerLoad = 0xFFFFFFFFul;
US_TICKER_COUNTER->TimerControl |= CMSDK_DUALTIMER1_CTRL_SIZE_Msk; // set TIMER1 to 32 bit counter
US_TICKER_INTERRUPT->TimerControl |= CMSDK_DUALTIMER2_CTRL_SIZE_Msk; // set TIMER2 to 32 bit counter
US_TICKER_COUNTER->TimerControl |= 0x1 << CMSDK_DUALTIMER1_CTRL_PRESCALE_Pos; // set TIMER1 with 4 stages prescale
US_TICKER_INTERRUPT->TimerControl |= 0x1 << CMSDK_DUALTIMER2_CTRL_PRESCALE_Pos; // set TIMER2 with 4 stages prescale
US_TICKER_INTERRUPT->TimerControl |= CMSDK_DUALTIMER2_CTRL_MODE_Msk; // set TIMER2 periodic mode
US_TICKER_INTERRUPT->TimerControl |= CMSDK_DUALTIMER2_CTRL_ONESHOOT_Msk; // set TIMER2 one-shot mode
US_TICKER_COUNTER->TimerControl |= CMSDK_DUALTIMER1_CTRL_EN_Msk; // enable TIMER1 counter
NVIC_SetVector(US_TICKER_TIMER_IRQn, (uint32_t)us_ticker_irq_handler);
us_ticker_inited = 1;
}
开发者ID:toyowata,项目名称:mbed,代码行数:27,代码来源:us_ticker.c
示例17: os_tick_init
void
os_tick_init(uint32_t os_ticks_per_sec, int prio)
{
os_sr_t sr;
/* Reset the timer to 0. */
am_hal_stimer_counter_clear();
/* The OS tick timer uses:
* o The 1024 Hz low-frequency RC oscillator (LFRC)
* o The first comparator (COMPAREA)
*/
am_hal_stimer_config(AM_HAL_STIMER_LFRC_1KHZ |
AM_HAL_STIMER_CFG_COMPARE_A_ENABLE);
am_hal_stimer_int_enable(AM_HAL_STIMER_INT_COMPAREA);
apollo2_os_tick_dur = APOLLO2_OS_TICK_FREQ / os_ticks_per_sec;
/* Enable the STIMER interrupt in the NVIC. */
NVIC_SetPriority(APOLLO2_OS_TICK_IRQ, prio);
NVIC_SetVector(APOLLO2_OS_TICK_IRQ, (uint32_t)apollo2_os_tick_handler);
NVIC_EnableIRQ(APOLLO2_OS_TICK_IRQ);
/* Schedule timer to interrupt at the next tick. */
OS_ENTER_CRITICAL(sr);
apollo2_os_tick_set_timer(1);
OS_EXIT_CRITICAL(sr);
}
开发者ID:vrahane,项目名称:incubator-mynewt-core,代码行数:28,代码来源:hal_os_tick.c
示例18: serial_rx_asynch
/**
* Begin asynchronous RX transfer (enable interrupt for data collecting)
* The used buffer is specified in the serial object, rx_buff
*
* @param obj The serial object
* @param rx The buffer for sending
* @param rx_length The number of words to transmit
* @param rx_width The bit width of buffer word
* @param handler The serial handler
* @param event The logical OR of events to be registered
* @param handler The serial handler
* @param char_match A character in range 0-254 to be matched
* @param hint A suggestion for how to use DMA with this transfer
*/
void serial_rx_asynch(serial_t *obj, void *rx, size_t rx_length, uint8_t rx_width, uint32_t handler, uint32_t event, uint8_t char_match, DMAUsage hint)
{
// TODO: DMA usage is currently ignored
(void) hint;
/* Sanity check arguments */
MBED_ASSERT(obj);
MBED_ASSERT(rx != (void*)0);
MBED_ASSERT(rx_width == 8); // support only 8b width
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
serial_enable_event(obj, SERIAL_EVENT_RX_ALL, 0);
serial_enable_event(obj, event, 1);
// set CharMatch
obj->char_match = char_match;
serial_rx_buffer_set(obj, rx, rx_length, rx_width);
IRQn_Type irq_n = serial_get_irq_n(obj);
NVIC_ClearPendingIRQ(irq_n);
NVIC_DisableIRQ(irq_n);
NVIC_SetPriority(irq_n, 0);
NVIC_SetVector(irq_n, (uint32_t)handler);
NVIC_EnableIRQ(irq_n);
// following HAL function will enable the RXNE interrupt + error interrupts
HAL_UART_Receive_IT(huart, (uint8_t*)rx, rx_length);
}
开发者ID:AlessandroA,项目名称:mbed,代码行数:45,代码来源:serial_api.c
示例19: lp_ticker_init
void lp_ticker_init()
{
core_util_critical_section_enter();
if (!rtc_inited) {
CMU_ClockEnable(cmuClock_RTC, true);
/* Initialize RTC */
RTC_Init_TypeDef init = RTC_INIT_DEFAULT;
init.enable = 1;
/* Don't use compare register 0 as top value */
init.comp0Top = 0;
/* Initialize */
RTC_Init(&init);
RTC_CounterSet(20);
/* Enable Interrupt from RTC */
RTC_IntDisable(RTC_IF_COMP0);
RTC_IntClear(RTC_IF_COMP0);
NVIC_SetVector(RTC_IRQn, (uint32_t)RTC_IRQHandler);
NVIC_EnableIRQ(RTC_IRQn);
rtc_inited = true;
} else {
/* Cancel current interrupt by virtue of calling init again */
RTC_IntDisable(RTC_IF_COMP0);
RTC_IntClear(RTC_IF_COMP0);
}
core_util_critical_section_exit();
}
开发者ID:sg-,项目名称:mbed-os,代码行数:30,代码来源:lp_ticker.c
示例20: us_ticker_set_interrupt
void us_ticker_set_interrupt(unsigned int timestamp) {
if (timestamp > 0xFFFF) {
TIM_SetCompare1(TIM4, (uint16_t)((timestamp >> 16) & 0xFFFF));
TIM_ITConfig(TIM4, TIM_IT_CC1, ENABLE);
NVIC_SetVector(TIM4_IRQn, (uint32_t)us_ticker_irq_handler);
NVIC_EnableIRQ(TIM4_IRQn);
}
开发者ID:spectaclelabs,项目名称:mbed,代码行数:7,代码来源:us_ticker.c
注:本文中的NVIC_SetVector函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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