rtt-f030/bsp/efm32/hdl_interrupt.c

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/******************************************************************//**
* @file hdl_interrupt.c
* @brief USART driver of RT-Thread RTOS for EFM32
* COPYRIGHT (C) 2009, RT-Thread Development Team
* @author onelife
* @version 0.4 beta
**********************************************************************
* @section License
* The license and distribution terms for this file may be found in the file LICENSE in this
* distribution or at http://www.rt-thread.org/license/LICENSE
**********************************************************************
* @section Change Logs
* Date Author Notes
* 2010-12-29 onelife Initial creation for EFM32
*********************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "board.h"
#include "hdl_interrupt.h"
/******************************************************************//**
* @addtogroup efm32
* @{
*********************************************************************/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
efm32_irq_hook_t dmaCbTable[DMA_CHAN_COUNT * 2] = {RT_NULL};
efm32_irq_hook_t timerCbTable[TIMER_COUNT] = {RT_NULL};
efm32_irq_hook_t gpioCbTable[16] = {RT_NULL};
efm32_irq_hook_t usartCbTable[USART_COUNT * 2] = {RT_NULL};
efm32_irq_hook_t rtcCbTable[RTC_COUNT] = {RT_NULL};
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/******************************************************************//**
* @brief
* NMI exception handler
*
* @details
*
* @note
*********************************************************************/
void NMI_Handler(void)
{
#ifdef RT_IRQHDL_DEBUG
rt_kprintf("[NMI_Handler: NOP]\n");
#endif
}
/******************************************************************//**
* @brief
* Memory manage exception handler
*
* @details
*
* @note
*********************************************************************/
void MemManage_Handler(void)
{
#ifdef RT_IRQHDL_DEBUG
rt_kprintf("[MemManage_Handler: infinite loop]\n");
#endif
while (1);
}
/******************************************************************//**
* @brief
* Bus fault exception handler
*
* @details
*
* @note
*********************************************************************/
void BusFault_Handler(void)
{
#ifdef RT_IRQHDL_DEBUG
rt_kprintf("[BusFault_Handler: infinite loop]\n");
#endif
while (1);
}
/******************************************************************//**
* @brief
* Usage fault exception handler
*
* @details
*
* @note
*********************************************************************/
void UsageFault_Handler(void)
{
#ifdef RT_IRQHDL_DEBUG
rt_kprintf("[UsageFault_Handler: infinite loop]\n");
#endif
while (1);
}
/******************************************************************//**
* @brief
* Supervisor call exception handler
*
* @details
*
* @note
*********************************************************************/
void SVC_Handler(void)
{
#ifdef RT_IRQHDL_DEBUG
rt_kprintf("[SVC_Handler: NOP]\n");
#endif
}
/******************************************************************//**
* @brief
* Debug monitor exception handler
*
* @details
*
* @note
*********************************************************************/
void DebugMon_Handler(void)
{
#ifdef RT_IRQHDL_DEBUG
rt_kprintf("[DebugMon_Handler: NOP]\n");
#endif
}
/******************************************************************//**
* @brief
* System tick timer interrupt handler
*
* @details
*
* @note
*
*********************************************************************/
void rt_hw_timer_handler(void)
{
/* enter interrupt */
rt_interrupt_enter();
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
}
/**********************************************************************
* STM32F10x Peripherals Interrupt Handlers
* Add here the Interrupt Handler for the used peripheral(s) (PPP), for the
* available peripheral interrupt handler's name please refer to the startup
* file (startup_stm32f10x_xx.s).
/*********************************************************************/
/******************************************************************//**
* @brief
* Common DMA interrupt handler
*
* @details
*
* @note
*
*********************************************************************/
void DMA_IRQHandler_All(unsigned int channel, bool primary, void *user)
{
/* enter interrupt */
rt_interrupt_enter();
/* invoke callback function */
if (dmaCbTable[channel].cbFunc != RT_NULL)
{
(dmaCbTable[channel].cbFunc)(dmaCbTable[channel].userPtr);
}
/* leave interrupt */
rt_interrupt_leave();
}
/******************************************************************//**
* @brief
* Common Timer2 interrupt handler
*
* @details
* This function handles Timer2 counter overflow interrupt request
*
* @note
*
*********************************************************************/
void TIMER2_IRQHandler(void)
{
if (TIMER2->IF & TIMER_IF_OF)
{
/* invoke callback function */
if (timerCbTable[2].cbFunc != RT_NULL)
{
(timerCbTable[2].cbFunc)(timerCbTable[2].userPtr);
}
/* clear interrupt */
BITBAND_Peripheral(&(TIMER2->IFC), _TIMER_IF_OF_SHIFT, 0x1UL);
}
}
/******************************************************************//**
* @brief
* Common even number GPIO interrupt handler
*
* @details
*
* @note
*
*********************************************************************/
void GPIO_EVEN_IRQHandler(void)
{
rt_uint16_t flag, n;
/* enter interrupt */
rt_interrupt_enter();
/* invoke callback function */
flag = (rt_uint16_t)(GPIO->IF & 0xFFFF);
for ( n = 0; flag > 0; flag = flag >> 2, n = n + 2)
{
if ((flag & 0x0001) && (gpioCbTable[n].cbFunc != RT_NULL))
{
(gpioCbTable[n].cbFunc)(gpioCbTable[n].userPtr);
}
}
/* clear interrupt */
GPIO->IFC = 0x5555UL;
/* leave interrupt */
rt_interrupt_leave();
}
/******************************************************************//**
* @brief
* Common odd number GPIO interrupt handler
*
* @details
*
* @note
*
*********************************************************************/
void GPIO_ODD_IRQHandler(void)
{
rt_uint16_t flag, n;
/* enter interrupt */
rt_interrupt_enter();
/* invoke callback function */
flag = (rt_uint16_t)(GPIO->IF & 0xFFFF) >> 1;
for ( n = 1; flag > 0; flag = flag >> 2, n = n + 2)
{
if ((flag & 0x0001) && (gpioCbTable[n].cbFunc != RT_NULL))
{
(gpioCbTable[n].cbFunc)(gpioCbTable[n].userPtr);
}
}
/* clear interrupt */
GPIO->IFC = 0xAAAAUL;
/* leave interrupt */
rt_interrupt_leave();
}
/******************************************************************//**
* @brief
* Common USART0 TX interrupt handler
*
* @details
* This function handles USART0 TX complete interrupt request
*
* @note
*
*********************************************************************/
void USART0_TX_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
if (USART0->IF & USART_IF_TXC)
{
/* invoke callback function */
if (usartCbTable[0].cbFunc != RT_NULL)
{
(usartCbTable[0].cbFunc)(usartCbTable[0].userPtr);
}
/* clear interrupt */
BITBAND_Peripheral(&(USART0->IFC), _USART_IF_TXC_SHIFT, 0x1UL);
}
/* leave interrupt */
rt_interrupt_leave();
}
/******************************************************************//**
* @brief
* Common USART0 RX interrupt handler
*
* @details
* This function handles USART0 RX data valid interrupt request
*
* @note
*
*********************************************************************/
void USART0_RX_IRQHandler(void)
{
if (USART0->IF & USART_IF_RXDATAV)
{
/* invoke callback function */
if (usartCbTable[1].cbFunc != RT_NULL)
{
(usartCbTable[1].cbFunc)(usartCbTable[1].userPtr);
}
}
}
/******************************************************************//**
* @brief
* Common USART1 TX interrupt handler
*
* @details
* This function handles USART1 TX complete interrupt request
*
* @note
*
*********************************************************************/
void USART1_TX_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
if (USART1->IF & USART_IF_TXC)
{
/* invoke callback function */
if (usartCbTable[2].cbFunc != RT_NULL)
{
(usartCbTable[2].cbFunc)(usartCbTable[2].userPtr);
}
/* clear interrupt */
BITBAND_Peripheral(&(USART1->IFC), _USART_IF_TXC_SHIFT, 0x1UL);
}
/* leave interrupt */
rt_interrupt_leave();
}
/******************************************************************//**
* @brief
* Common USART1 RX interrupt handler
*
* @details
* This function handles USART1 RX data valid interrupt request
*
* @note
*
*********************************************************************/
void USART1_RX_IRQHandler(void)
{
if (USART1->IF & USART_IF_RXDATAV)
{
/* invoke callback function */
if (usartCbTable[3].cbFunc != RT_NULL)
{
(usartCbTable[3].cbFunc)(usartCbTable[3].userPtr);
}
}
}
/******************************************************************//**
* @brief
* Common USART2 TX interrupt handler
*
* @details
* This function handles USART2 TX complete interrupt request
*
* @note
*
*********************************************************************/
void USART2_TX_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
if (USART2->IF & USART_IF_TXC)
{
/* invoke callback function */
if (usartCbTable[4].cbFunc != RT_NULL)
{
(usartCbTable[4].cbFunc)(usartCbTable[4].userPtr);
}
/* clear interrupt */
BITBAND_Peripheral(&(USART2->IFC), _USART_IF_TXC_SHIFT, 0x1UL);
}
/* leave interrupt */
rt_interrupt_leave();
}
/******************************************************************//**
* @brief
* Common USART2 RX interrupt handler
*
* @details
* This function handles USART2 RX data valid interrupt request
*
* @note
*
*********************************************************************/
void USART2_RX_IRQHandler(void)
{
if (USART2->IF & USART_IF_RXDATAV)
{
/* invoke callback function */
if (usartCbTable[5].cbFunc != RT_NULL)
{
(usartCbTable[5].cbFunc)(usartCbTable[5].userPtr);
}
}
}
/******************************************************************//**
* @brief
* Common RTC interrupt handler
*
* @details
* This function handles RTC counter overflow interrupt request
*
* @note
*
*********************************************************************/
void RTC_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
if (RTC->IF & RTC_IF_OF)
{
/* invoke callback function */
if (rtcCbTable[0].cbFunc != RT_NULL)
{
(rtcCbTable[0].cbFunc)(rtcCbTable[0].userPtr);
}
}
/* leave interrupt */
rt_interrupt_leave();
}
/******************************************************************//**
* @brief
* EFM32 common interrupt handlers register function
*
* @details
*
* @note
*
*********************************************************************/
rt_err_t efm32_irq_hook_register(efm32_irq_hook_init_t *hook)
{
switch (hook->type)
{
case efm32_irq_type_dma:
dmaCbTable[hook->unit].cbFunc = hook->cbFunc;
dmaCbTable[hook->unit].userPtr = hook->userPtr;
break;
case efm32_irq_type_timer:
timerCbTable[hook->unit].cbFunc = hook->cbFunc;
timerCbTable[hook->unit].userPtr = hook->userPtr;
break;
case efm32_irq_type_gpio:
gpioCbTable[hook->unit].cbFunc = hook->cbFunc;
gpioCbTable[hook->unit].userPtr = hook->userPtr;
break;
case efm32_irq_type_usart:
usartCbTable[hook->unit].cbFunc = hook->cbFunc;
usartCbTable[hook->unit].userPtr = hook->userPtr;
break;
case efm32_irq_type_rtc:
rtcCbTable[hook->unit].cbFunc = hook->cbFunc;
rtcCbTable[hook->unit].userPtr = hook->userPtr;
break;
default:
break;
}
#ifdef RT_IRQHDL_DEBUG
rt_kprintf("Hook Registered: type: %s, unit: %x, cbFunc: %x, userPtr: %x\n", \
hook->type, hook->unit, hook->cbFunc, hook->userPtr);
#endif
}
/******************************************************************//**
* @}
*********************************************************************/