From cd37e4ce22e7d61e5cfd9ff88fca38eaeab5e363 Mon Sep 17 00:00:00 2001
From: zhyinch <zhyinch@gmail.com>
Date: 星期六, 15 九月 2018 20:02:23 +0800
Subject: [PATCH] 改成快速通讯参数
---
源码/核心板/Src/OnChipDevices/Rcc_Nvic_Systick.c | 37 ++++++++++++++++++++++++++++++++++---
1 files changed, 34 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..14e9205 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"
@@ -44,15 +44,26 @@
void Nvic_Init(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
-
+ EXTI_InitTypeDef EXTI_InitStructure;
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;
+ EXTI_InitStructure.EXTI_Line = EXTI_Line17;
+ EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
+ EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
+ EXTI_InitStructure.EXTI_LineCmd = ENABLE;
+ EXTI_Init(&EXTI_InitStructure);
+
+ 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);
}
@@ -65,8 +76,28 @@
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);
+}
\ No newline at end of file
--
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