From 0d1b2a9e6b47bf4850a69b5daeb7eb17eb0215a7 Mon Sep 17 00:00:00 2001 From: guanjiao <sqrgj@163.com> Date: 星期六, 15 九月 2018 20:44:01 +0800 Subject: [PATCH] 修改滤波参数 --- 源码/核心板/Src/OnChipDevices/Rcc_Nvic_Systick.c | 33 ++++++++++++++++++++++++++++++--- 1 files changed, 30 insertions(+), 3 deletions(-) diff --git "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Rcc_Nvic_Systick.c" "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Rcc_Nvic_Systick.c" index cd517b6..6e55e6b 100644 --- "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Rcc_Nvic_Systick.c" +++ "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/OnChipDevices/Rcc_Nvic_Systick.c" @@ -48,25 +48,52 @@ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4); /* Enable and set EXTI Interrupt to the lowest priority */ - NVIC_InitStructure.NVIC_IRQChannel = EXTI2_IRQn; + NVIC_InitStructure.NVIC_IRQChannel = DECAIRQ_EXTI_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 15; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; + + + NVIC_InitStructure.NVIC_IRQChannel = RTCAlarm_IRQn; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; + NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; + NVIC_InitStructure.NVIC_IRQChannelCmd =ENABLE; + NVIC_Init(&NVIC_InitStructure); } int Systick_Init(void) { int time_retry = 500; - if (SysTick_Config(64000)) + if (SysTick_Config(72000)) { /* Capture error */ while (time_retry--); return 1; } - NVIC_SetPriority (SysTick_IRQn, 5); + NVIC_SetPriority(SysTick_IRQn, 5); return 0; } + +void delay_us(uint32_t nTimer) +{ + uint32_t i=0; + for(i=0;i<nTimer;i++){ + __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP(); + __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP(); + __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP(); + __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP(); + __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP(); + __NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP();__NOP(); + __NOP();__NOP();__NOP();__NOP(); + } +} + +void delay_ms(uint32_t nTimer) +{ + uint32_t i=1000*nTimer; + delay_us(i); +} -- Gitblit v1.9.3