| /********************************************************************** | |
| * $Id$ lpc18xx_evrt.c 2011-06-02 | |
| *//** | |
| * @file lpc18xx_evrt.c | |
| * @brief Contains all functions support for Event Router firmware | |
| * library on LPC18xx | |
| * @version 1.0 | |
| * @date 02. June. 2011 | |
| * @author NXP MCU SW Application Team | |
| * | |
| * Copyright(C) 2011, NXP Semiconductor | |
| * All rights reserved. | |
| * | |
| *********************************************************************** | |
| * Software that is described herein is for illustrative purposes only | |
| * which provides customers with programming information regarding the | |
| * products. This software is supplied "AS IS" without any warranties. | |
| * NXP Semiconductors assumes no responsibility or liability for the | |
| * use of the software, conveys no license or title under any patent, | |
| * copyright, or mask work right to the product. NXP Semiconductors | |
| * reserves the right to make changes in the software without | |
| * notification. NXP Semiconductors also make no representation or | |
| * warranty that such application will be suitable for the specified | |
| * use without further testing or modification. | |
| **********************************************************************/ | |
| /* Peripheral group ----------------------------------------------------------- */ | |
| /** @addtogroup EVRT | |
| * @{ | |
| */ | |
| /* Includes ------------------------------------------------------------------- */ | |
| #include "lpc18xx_evrt.h" | |
| /* If this source file built with example, the LPC18xx FW library configuration | |
| * file in each example directory ("lpc18xx_libcfg.h") must be included, | |
| * otherwise the default FW library configuration file must be included instead | |
| */ | |
| #ifdef __BUILD_WITH_EXAMPLE__ | |
| #include "lpc18xx_libcfg.h" | |
| #else | |
| #include "lpc18xx_libcfg_default.h" | |
| #endif /* __BUILD_WITH_EXAMPLE__ */ | |
| /* Public Functions ----------------------------------------------------------- */ | |
| /** @addtogroup EVRT_Public_Functions | |
| * @{ | |
| */ | |
| /********************************************************************//** | |
| * @brief Initializes the EVRT peripheral. | |
| * @param[in] EVRTx EVRT peripheral selected, should be: LPC_EVRT | |
| * @return None | |
| *********************************************************************/ | |
| void EVRT_Init (LPC_EVENTROUTER_Type *EVRTx) | |
| { | |
| uint8_t i=0; | |
| CHECK_PARAM(PARAM_EVRTx(EVRTx)); | |
| // Clear all register to be default | |
| EVRTx->HILO = 0x0000; | |
| EVRTx->EDGE = 0x0000; | |
| EVRTx->CLR_EN = 0xFFFF; | |
| do | |
| { | |
| i++; | |
| EVRTx->CLR_STAT = 0xFFFFF; | |
| }while((EVRTx->STATUS != 0)&&(i<10)); | |
| } | |
| /*********************************************************************//** | |
| * @brief De-initializes the EVRT peripheral registers to their | |
| * default reset values. | |
| * @param[in] EVRTx EVRT peripheral selected, should be: LPC_EVRT | |
| * @return None | |
| **********************************************************************/ | |
| void EVRT_DeInit(LPC_EVENTROUTER_Type *EVRTx) | |
| { | |
| CHECK_PARAM(PARAM_EVRTx(EVRTx)); | |
| EVRTx->CLR_EN = 0xFFFF; | |
| EVRTx->CLR_STAT = 0xFFFF; | |
| } | |
| /*********************************************************************//** | |
| * @brief Setting up the type of interrupt sources to EVRT | |
| * @param[in] EVRTx EVRT peripheral selected, should be: LPC_EVRT | |
| * @param[in] EVRT_Src EVRT source, should be: | |
| * - EVRT_SRC_WAKEUP0 :WAKEUP0 event | |
| * - EVRT_SRC_WAKEUP1 :WAKEUP1 event | |
| * - EVRT_SRC_WAKEUP2 :WAKEUP2 event | |
| * - EVRT_SRC_WAKEUP3 :WAKEUP3 event | |
| * - EVRT_SRC_ATIMER :Alarm timer eveny | |
| * - EVRT_SRC_RTC :RTC event | |
| * - EVRT_SRC_BOD :BOD event | |
| * - EVRT_SRC_WWDT :WWDT event | |
| * - EVRT_SRC_ETHERNET :ETHERNET event | |
| * - EVRT_SRC_USB0 :USB0 event | |
| * - EVRT_SRC_USB1 :USB1 event | |
| * - EVRT_SRC_CCAN :CCAN event | |
| * - EVRT_SRC_COMBINE_TIMER2 :Combined timer output 2 event | |
| * - EVRT_SRC_COMBINE_TIMER6 :Combined timer output 6 event | |
| * - EVRT_SRC_QEI :QEI event | |
| * - EVRT_SRC_COMBINE_TIMER14 :Combined timer output 14 event | |
| * - EVRT_SRC_RESET :RESET event | |
| * type Active type, should be: | |
| * - EVRT_SRC_ACTIVE_LOW_LEVEL :Active low level | |
| * - EVRT_SRC_ACTIVE_HIGH_LEVEL :Active high level | |
| * - EVRT_SRC_ACTIVE_FALLING_EDGE :Active falling edge | |
| * - EVRT_SRC_ACTIVE_RISING_EDGE :Active rising edge | |
| * @param[in] type EVRT source active type, should be: | |
| * - EVRT_SRC_ACTIVE_LOW_LEVEL :Active low level | |
| * - EVRT_SRC_ACTIVE_HIGH_LEVEL :Active high level | |
| * - EVRT_SRC_ACTIVE_FALLING_EDGE :Active falling edge | |
| * - EVRT_SRC_ACTIVE_RISING_EDGE :Active rising edge | |
| * @return None | |
| **********************************************************************/ | |
| void EVRT_ConfigIntSrcActiveType(LPC_EVENTROUTER_Type *EVRTx, EVRT_SRC_ENUM EVRT_Src, EVRT_SRC_ACTIVE_TYPE type) | |
| { | |
| CHECK_PARAM(PARAM_EVRTx(EVRTx)); | |
| CHECK_PARAM(PARAM_EVRT_SOURCE(EVRT_Src)); | |
| CHECK_PARAM(PARAM_EVRT_SOURCE_ACTIVE_TYPE(type)); | |
| switch (type) | |
| { | |
| case EVRT_SRC_ACTIVE_LOW_LEVEL: | |
| EVRTx->HILO &= ~(1<<(uint8_t)EVRT_Src); | |
| EVRTx->EDGE &= ~(1<<(uint8_t)EVRT_Src); | |
| break; | |
| case EVRT_SRC_ACTIVE_HIGH_LEVEL: | |
| EVRTx->HILO |= (1<<(uint8_t)EVRT_Src); | |
| EVRTx->EDGE &= ~(1<<(uint8_t)EVRT_Src); | |
| break; | |
| case EVRT_SRC_ACTIVE_FALLING_EDGE: | |
| EVRTx->HILO &= ~(1<<(uint8_t)EVRT_Src); | |
| EVRTx->EDGE |= (1<<(uint8_t)EVRT_Src); | |
| break; | |
| case EVRT_SRC_ACTIVE_RISING_EDGE: | |
| EVRTx->HILO |= (1<<(uint8_t)EVRT_Src); | |
| EVRTx->EDGE |= (1<<(uint8_t)EVRT_Src); | |
| break; | |
| default: | |
| break; | |
| } | |
| } | |
| /*********************************************************************//** | |
| * @brief Enable or disable interrupt sources to EVRT | |
| * @param[in] EVRTx EVRT peripheral selected, should be LPC_EVRT | |
| * @param[in] EVRT_Src EVRT source, should be: | |
| * - EVRT_SRC_WAKEUP0 :WAKEUP0 event | |
| * - EVRT_SRC_WAKEUP1 :WAKEUP1 event | |
| * - EVRT_SRC_WAKEUP2 :WAKEUP2 event | |
| * - EVRT_SRC_WAKEUP3 :WAKEUP3 event | |
| * - EVRT_SRC_ATIMER :Alarm timer eveny | |
| * - EVRT_SRC_RTC :RTC event | |
| * - EVRT_SRC_BOD :BOD event | |
| * - EVRT_SRC_WWDT :WWDT event | |
| * - EVRT_SRC_ETHERNET :ETHERNET event | |
| * - EVRT_SRC_USB0 :USB0 event | |
| * - EVRT_SRC_USB1 :USB1 event | |
| * - EVRT_SRC_CCAN :CCAN event | |
| * - EVRT_SRC_COMBINE_TIMER2 :Combined timer output 2 event | |
| * - EVRT_SRC_COMBINE_TIMER6 :Combined timer output 6 event | |
| * - EVRT_SRC_QEI :QEI event | |
| * - EVRT_SRC_COMBINE_TIMER14 :Combined timer output 14 event | |
| * - EVRT_SRC_RESET :RESET event | |
| * @param[in] state ENABLE or DISABLE | |
| * @return None | |
| **********************************************************************/ | |
| void EVRT_SetUpIntSrc(LPC_EVENTROUTER_Type *EVRTx, EVRT_SRC_ENUM EVRT_Src, FunctionalState state) | |
| { | |
| CHECK_PARAM(PARAM_EVRTx(EVRTx)); | |
| CHECK_PARAM(PARAM_EVRT_SOURCE(EVRT_Src)); | |
| if(state == ENABLE) | |
| EVRTx->SET_EN = (1<<(uint8_t)EVRT_Src); | |
| else | |
| EVRTx->CLR_EN = (1<<(uint8_t)EVRT_Src); | |
| } | |
| /*********************************************************************//** | |
| * @brief Check if a source is sending interrupt to EVRT | |
| * @param[in] EVRTx EVRT peripheral selected, should be LPC_EVRT | |
| * @param[in] EVRT_Src EVRT source, should be: | |
| * - EVRT_SRC_WAKEUP0 :WAKEUP0 event | |
| * - EVRT_SRC_WAKEUP1 :WAKEUP1 event | |
| * - EVRT_SRC_WAKEUP2 :WAKEUP2 event | |
| * - EVRT_SRC_WAKEUP3 :WAKEUP3 event | |
| * - EVRT_SRC_ATIMER :Alarm timer eveny | |
| * - EVRT_SRC_RTC :RTC event | |
| * - EVRT_SRC_BOD :BOD event | |
| * - EVRT_SRC_WWDT :WWDT event | |
| * - EVRT_SRC_ETHERNET :ETHERNET event | |
| * - EVRT_SRC_USB0 :USB0 event | |
| * - EVRT_SRC_USB1 :USB1 event | |
| * - EVRT_SRC_CCAN :CCAN event | |
| * - EVRT_SRC_COMBINE_TIMER2 :Combined timer output 2 event | |
| * - EVRT_SRC_COMBINE_TIMER6 :Combined timer output 6 event | |
| * - EVRT_SRC_QEI :QEI event | |
| * - EVRT_SRC_COMBINE_TIMER14 :Combined timer output 14 event | |
| * - EVRT_SRC_RESET :RESET event | |
| * @return TRUE or FALSE | |
| **********************************************************************/ | |
| Bool EVRT_IsSourceInterrupting(LPC_EVENTROUTER_Type *EVRTx, EVRT_SRC_ENUM EVRT_Src) | |
| { | |
| CHECK_PARAM(PARAM_EVRTx(EVRTx)); | |
| CHECK_PARAM(PARAM_EVRT_SOURCE(EVRT_Src)); | |
| if(EVRTx->STATUS & (1<<(uint8_t)EVRT_Src)) | |
| return TRUE; | |
| else return FALSE; | |
| } | |
| /*********************************************************************//** | |
| * @brief Clear pending interrupt EVRT source | |
| * @param[in] EVRTx EVRT peripheral selected, should be LPC_EVRT | |
| * @param[in] EVRT_Src EVRT source, should be: | |
| * - EVRT_SRC_WAKEUP0 :WAKEUP0 event | |
| * - EVRT_SRC_WAKEUP1 :WAKEUP1 event | |
| * - EVRT_SRC_WAKEUP2 :WAKEUP2 event | |
| * - EVRT_SRC_WAKEUP3 :WAKEUP3 event | |
| * - EVRT_SRC_ATIMER :Alarm timer eveny | |
| * - EVRT_SRC_RTC :RTC event | |
| * - EVRT_SRC_BOD :BOD event | |
| * - EVRT_SRC_WWDT :WWDT event | |
| * - EVRT_SRC_ETHERNET :ETHERNET event | |
| * - EVRT_SRC_USB0 :USB0 event | |
| * - EVRT_SRC_USB1 :USB1 event | |
| * - EVRT_SRC_CCAN :CCAN event | |
| * - EVRT_SRC_COMBINE_TIMER2 :Combined timer output 2 event | |
| * - EVRT_SRC_COMBINE_TIMER6 :Combined timer output 6 event | |
| * - EVRT_SRC_QEI :QEI event | |
| * - EVRT_SRC_COMBINE_TIMER14 :Combined timer output 14 event | |
| * - EVRT_SRC_RESET :RESET event | |
| * @return none | |
| **********************************************************************/ | |
| void EVRT_ClrPendIntSrc(LPC_EVENTROUTER_Type *EVRTx, EVRT_SRC_ENUM EVRT_Src) | |
| { | |
| CHECK_PARAM(PARAM_EVRTx(EVRTx)); | |
| CHECK_PARAM(PARAM_EVRT_SOURCE(EVRT_Src)); | |
| EVRTx->CLR_STAT = (1<<(uint8_t)EVRT_Src); | |
| } | |
| /** | |
| * @} | |
| */ | |
| /** | |
| * @} | |
| */ | |
| /* --------------------------------- End Of File ------------------------------ */ | |