From 2ad2b82d448645cc81409aa4765288da95931cb8 Mon Sep 17 00:00:00 2001 From: guanjiao <sqrgj@163.com> Date: 星期六, 15 九月 2018 17:20:16 +0800 Subject: [PATCH] 1. 增加了“收不到信息1s后,停止报警”的功能 2. 将判断喇叭是否响的功能,在systick中断中实现 --- 源码/核心板/Src/OnChipDevices/Rcc_Nvic_Systick.c | 6 +++--- 1 files changed, 3 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 83c3d05..38d4add 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" @@ -48,7 +48,7 @@ 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; @@ -59,13 +59,13 @@ 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; -- Gitblit v1.9.3