From b5dc11acf7d70e2ddcff627db25445e2588b3f7a Mon Sep 17 00:00:00 2001
From: zhyinch <zhyinch@gmail.com>
Date: 星期六, 28 五月 2022 10:34:48 +0800
Subject: [PATCH] V1.64 增加碰撞随机跳时间片
---
源码/核心板/Src/ExternalDevices/dw_driver.c | 72 +++++++++++++++++++++++++++++++++++-
1 files changed, 70 insertions(+), 2 deletions(-)
diff --git "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/ExternalDevices/dw_driver.c" "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/ExternalDevices/dw_driver.c"
index 62b7c23..a4c252b 100644
--- "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/ExternalDevices/dw_driver.c"
+++ "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/ExternalDevices/dw_driver.c"
@@ -1,5 +1,5 @@
#include "dw_driver.h"
-#include "deca_sleep.h"
+#include "deca_device_api.h"
void Reset_DW1000(void)
{
@@ -50,7 +50,75 @@
EXTI_InitStructure.EXTI_Line = DECAIRQ_EXTI;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; //MPW3 IRQ polarity is high by default
- EXTI_InitStructure.EXTI_LineCmd = DISABLE;
+ EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
}
+
+//读取外部中断状态
+ITStatus Get_Ext_IRQ_Statues(void)
+{
+ return EXTI_GetITStatus(DECAIRQ_EXTI);
+}
+
+
+//使能外部中断
+void Enable_Ext_IRQ(void)
+{
+ NVIC_EnableIRQ(DECAIRQ_EXTI_IRQn);
+}
+
+//禁止外部中断
+void Disable_Ext_IRQ(void)
+{
+ NVIC_DisableIRQ(DECAIRQ_EXTI_IRQn);
+}
+
+/*! ------------------------------------------------------------------------------------------------------------------
+ * Function: decamutexon()
+ *
+ * Description: This function should disable interrupts. This is called at the start of a critical section
+ * It returns the irq state before disable, this value is used to re-enable in decamutexoff call
+ *
+ * Note: The body of this function is defined in deca_mutex.c and is platform specific
+ *
+ * input parameters:
+ *
+ * output parameters
+ *
+ * returns the state of the DW1000 interrupt
+ */
+decaIrqStatus_t decamutexon(void)
+{
+ decaIrqStatus_t s = Get_Ext_IRQ_Statues();
+
+ if(s)
+ {
+ Disable_Ext_IRQ(); //disable the external interrupt line
+ }
+ return s ; // return state before disable, value is used to re-enable in decamutexoff call
+}
+
+/*! ------------------------------------------------------------------------------------------------------------------
+ * Function: decamutexoff()
+ *
+ * Description: This function should re-enable interrupts, or at least restore their state as returned(&saved) by decamutexon
+ * This is called at the end of a critical section
+ *
+ * Note: The body of this function is defined in deca_mutex.c and is platform specific
+ *
+ * input parameters:
+ * @param s - the state of the DW1000 interrupt as returned by decamutexon
+ *
+ * output parameters
+ *
+ * returns the state of the DW1000 interrupt
+ */
+void decamutexoff(decaIrqStatus_t s) // put a function here that re-enables the interrupt at the end of the critical section
+{
+ if(s) //need to check the port state as we can't use level sensitive interrupt on the STM ARM
+ {
+ Enable_Ext_IRQ();
+ }
+}
+
--
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