213 lines
8.3 KiB
C
213 lines
8.3 KiB
C
/*********************************************************************************************************************
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* TC264 Opensourec Library 即（TC264 开源库）是一个基于官方 SDK 接口的第三方开源库
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* Copyright (c) 2022 SEEKFREE 逐飞科技
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*
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* 本文件是 TC264 开源库的一部分
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*
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* TC264 开源库 是免费软件
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* 您可以根据自由软件基金会发布的 GPL（GNU General Public License，即 GNU通用公共许可证）的条款
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* 即 GPL 的第3版（即 GPL3.0）或（您选择的）任何后来的版本，重新发布和/或修改它
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*
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* 本开源库的发布是希望它能发挥作用，但并未对其作任何的保证
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* 甚至没有隐含的适销性或适合特定用途的保证
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* 更多细节请参见 GPL
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*
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* 您应该在收到本开源库的同时收到一份 GPL 的副本
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* 如果没有，请参阅<https://www.gnu.org/licenses/>
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*
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* 额外注明：
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* 本开源库使用 GPL3.0 开源许可证协议 以上许可申明为译文版本
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* 许可申明英文版在 libraries/doc 文件夹下的 GPL3_permission_statement.txt 文件中
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* 许可证副本在 libraries 文件夹下 即该文件夹下的 LICENSE 文件
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* 欢迎各位使用并传播本程序 但修改内容时必须保留逐飞科技的版权声明（即本声明）
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*
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* 文件名称 zf_driver_exti
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* 公司名称 成都逐飞科技有限公司
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* 版本信息 查看 libraries/doc 文件夹内 version 文件 版本说明
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* 开发环境 ADS v1.10.2
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* 适用平台 TC264D
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* 店铺链接 https://seekfree.taobao.com/
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*
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* 修改记录
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* 日期 作者 备注
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* 2022-09-15 pudding first version
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********************************************************************************************************************/
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#include "Src/Std/IfxSrc.h"
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#include "SysSe/Bsp/Bsp.h"
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#include "isr_config.h"
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#include "zf_common_debug.h"
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#include "zf_driver_exti.h"
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 获取端口参数
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// 返回参数 IfxScu_Req_In
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// 使用示例 get_exit_pin(ERU_CH0_REQ4_P10_7);
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// 备注信息 内部调用
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//-------------------------------------------------------------------------------------------------------------------
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static IfxScu_Req_In* get_exit_pin (exti_pin_enum exti_pin)
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{
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IfxScu_Req_In* get_exit_pin_config;
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switch(exti_pin)
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{
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case ERU_CH0_REQ0_P15_4: get_exit_pin_config = &IfxScu_REQ0_P15_4_IN; break;
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case ERU_CH1_REQ10_P14_3: get_exit_pin_config = &IfxScu_REQ10_P14_3_IN; break;
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case ERU_CH2_REQ7_P00_4: get_exit_pin_config = &IfxScu_REQ7_P00_4_IN; break;
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case ERU_CH2_REQ14_P02_1: get_exit_pin_config = &IfxScu_REQ14_P02_1_IN; break;
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case ERU_CH2_REQ2_P10_2: get_exit_pin_config = &IfxScu_REQ2_P10_2_IN; break;
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case ERU_CH3_REQ6_P02_0: get_exit_pin_config = &IfxScu_REQ6_P02_0_IN; break;
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case ERU_CH3_REQ3_P10_3: get_exit_pin_config = &IfxScu_REQ3_P10_3_IN; break;
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case ERU_CH3_REQ15_P14_1: get_exit_pin_config = &IfxScu_REQ15_P14_1_IN; break;
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case ERU_CH4_REQ13_P15_5: get_exit_pin_config = &IfxScu_REQ13_P15_5_IN; break;
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case ERU_CH4_REQ8_P33_7: get_exit_pin_config = &IfxScu_REQ8_P33_7_IN; break;
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case ERU_CH5_REQ1_P15_8: get_exit_pin_config = &IfxScu_REQ1_P15_8_IN; break;
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case ERU_CH6_REQ12_P11_10: get_exit_pin_config = &IfxScu_REQ12_P11_10_IN; break;
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case ERU_CH6_REQ9_P20_0: get_exit_pin_config = &IfxScu_REQ9_P20_0_IN; break;
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case ERU_CH7_REQ16_P15_1: get_exit_pin_config = &IfxScu_REQ16_P15_1_IN; break;
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case ERU_CH7_REQ11_P20_9: get_exit_pin_config = &IfxScu_REQ11_P20_9_IN; break;
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default: zf_assert(FALSE); get_exit_pin_config = NULL;
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}
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return get_exit_pin_config;
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 EXTI 中断使能
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// 参数说明 pin 选择 EXTI 引脚 (可选择范围由 zf_driver_exti.h 内 exti_pin_enum 枚举值确定)
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// 返回参数 void
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// 使用示例 exti_enable(ERU_CH0_REQ4_P10_7);
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// 备注信息
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//-------------------------------------------------------------------------------------------------------------------
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void exti_enable (exti_pin_enum eru_pin)
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{
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IfxScuEru_OutputChannel outputChannel = (IfxScuEru_OutputChannel)(eru_pin/3);
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volatile Ifx_SRC_SRCR *src = &MODULE_SRC.SCU.SCU.ERU[(int)outputChannel % 4];
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IfxSrc_enable(src);
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 EXTI 中断失能
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// 参数说明 pin 选择 EXTI 引脚 (可选择范围由 zf_driver_exti.h 内 exti_pin_enum 枚举值确定)
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// 返回参数 void
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// 使用示例 exti_disable(A0);
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// 备注信息
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//-------------------------------------------------------------------------------------------------------------------
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void exti_disable (exti_pin_enum eru_pin)
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{
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IfxScuEru_OutputChannel outputChannel = (IfxScuEru_OutputChannel)(eru_pin/3);
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volatile Ifx_SRC_SRCR *src = &MODULE_SRC.SCU.SCU.ERU[(int)outputChannel % 4];
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IfxSrc_disable(src);
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 EXTI 失能
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// 返回参数 void
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// 使用示例 exti_disable(ERU_CH0_REQ0_P15_4);
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//-------------------------------------------------------------------------------------------------------------------
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void exti_all_close (void)
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{
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volatile Ifx_SRC_SRCR *src;
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int8 channel;
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for(channel = 0; channel < 4; channel ++)
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{
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src = &MODULE_SRC.SCU.SCU.ERU[channel];
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IfxSrc_deinit(src);
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}
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 EXTI 中断初始化
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// 参数说明 eru_pin 设置eru通道及引脚
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// 参数说明 trigger 设置触发方式
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// 返回参数 void
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// 使用示例 exti_init(ERU_CH0_REQ0_P15_4, EXTI_TRIGGER_RISING); // eru通道0 使用P15_4引脚，上升沿触发中断
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// 备注信息
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//-------------------------------------------------------------------------------------------------------------------
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void exti_init (exti_pin_enum exti_pin, exti_trigger_enum trigger)
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{
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boolean interrupt_state = disableInterrupts();
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IfxScu_Req_In *reqPin;
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reqPin = get_exit_pin(exti_pin);
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IfxScuEru_initReqPin(reqPin, IfxPort_InputMode_pullUp);
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IfxScuEru_InputChannel inputChannel = (IfxScuEru_InputChannel)reqPin->channelId;
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IfxScuEru_InputNodePointer triggerSelect = (IfxScuEru_InputNodePointer)(exti_pin/3);
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IfxScuEru_OutputChannel outputChannel = (IfxScuEru_OutputChannel)(exti_pin/3);
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switch(trigger)
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{
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case EXTI_TRIGGER_RISING:
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{
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IfxScuEru_disableFallingEdgeDetection(inputChannel);
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IfxScuEru_enableRisingEdgeDetection(inputChannel);
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}break;
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case EXTI_TRIGGER_FALLING:
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{
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IfxScuEru_enableFallingEdgeDetection(inputChannel);
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IfxScuEru_disableRisingEdgeDetection(inputChannel);
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}break;
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case EXTI_TRIGGER_BOTH:
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{
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IfxScuEru_enableFallingEdgeDetection(inputChannel);
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IfxScuEru_enableRisingEdgeDetection(inputChannel);
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}break;
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default: zf_assert(FALSE);
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}
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IfxScuEru_enableTriggerPulse(inputChannel);
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IfxScuEru_connectTrigger(inputChannel, triggerSelect);
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IfxScuEru_setFlagPatternDetection(outputChannel, inputChannel, TRUE);
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IfxScuEru_enablePatternDetectionTrigger(outputChannel);
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IfxScuEru_setInterruptGatingPattern(outputChannel, IfxScuEru_InterruptGatingPattern_alwaysActive);
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volatile Ifx_SRC_SRCR *src = &MODULE_SRC.SCU.SCU.ERU[(int)outputChannel % 4];
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IfxSrc_Tos exit_service;
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uint8 exit_priority;
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switch((exti_pin/3)%4)
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{
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case 0:
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{
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exit_service = EXTI_CH0_CH4_INT_SERVICE;
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exit_priority = EXTI_CH0_CH4_INT_PRIO;
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}break;
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case 1:
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{
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exit_service = EXTI_CH1_CH5_INT_SERVICE;
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exit_priority = EXTI_CH1_CH5_INT_PRIO;
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}break;
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case 2:
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{
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exit_service = EXTI_CH2_CH6_INT_SERVICE;
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exit_priority = EXTI_CH2_CH6_INT_PRIO;
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}break;
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case 3:
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{
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exit_service = EXTI_CH3_CH7_INT_SERVICE;
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exit_priority = EXTI_CH3_CH7_INT_PRIO;
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}break;
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}
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#pragma warning 507
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IfxSrc_init(src, exit_service, exit_priority);
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#pragma warning default
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IfxSrc_enable(src);
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restoreInterrupts(interrupt_state);
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}
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