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删除文件 Port/Cortex-M/port_cmx.c

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零中断延迟的RTOS
2026-01-13 09:24:07 +00:00
committed by Gitee
parent 7fbf30eb40
commit a642e32450
1 changed files with 0 additions and 86 deletions
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86
Port/Cortex-M/port_cmx.c
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@@ -1,86 +0,0 @@
/**************************************************************************//**
* @item CosyOS-III Port
* @file port_cmx.c
* @brief CMSIS Cortex-M Core Port File
* @author 迟凯峰
* @version V2.0.0
* @date 2025.11.16
******************************************************************************/
#include "os_var.h"
#ifdef __PORT_CMX_H
s_u32_t m_basepri = 1;
/*
* 中断FIFO服务
*/
#if (MCUCFG_PENDSVFIFO_DEPTH > 0)
#if (SYSCFG_PENDSVFIFO_MONITOR == __ENABLED__)
s_u32_t mPendSV_FIFO_DepthMAX = 0;
#endif
void *mPendSV_FIFO[2][MCUCFG_PENDSVFIFO_DEPTH + 1];/*!< FIFO0、FIFO1 */
void **mPendSV_FIFO_P0 = mPendSV_FIFO[0]; /*!< FIFO0指针 */
void **mPendSV_FIFO_P1 = mPendSV_FIFO[1]; /*!< FIFO1指针 */
volatile bool m_sign_fifo = true; /*!< FIFO 互斥访问锁：入FIFO与出FIFO的互斥
if(m_sign_fifo == true) {中断FIFO服务装载器 入FIFO0，中断FIFO服务处理器 出FIFO1}
if(m_sign_fifo == false){中断FIFO服务装载器 入FIFO1，中断FIFO服务处理器 出FIFO0} */
#if (MCUCFG_PENDSVFIFO_MUTEX == 2) /*!< 互斥访问机制 */
void **mPendSV_FIFO_P2; /*!< FIFO替换指针 */
volatile bool m_sign_load = false; /*!< 互斥访问标志 */
#endif
/* 中断FIFO服务处理器 */
void mPendSV_FIFOHandler(void)
{
register void **p;
register void *sv;
#if (SYSCFG_PENDSVFIFO_MONITOR == __ENABLED__)
register s_u32_t depth;
#endif
__LABLE:
m_sign_fifo = false;
/* 独占访问FIFO0 */
if(true){
#if (SYSCFG_PENDSVFIFO_MONITOR == __ENABLED__)
depth = (s_u32_t)(mPendSV_FIFO_P0 - mPendSV_FIFO[0]);
if(depth > mPendSV_FIFO_DepthMAX){
mPendSV_FIFO_DepthMAX = depth;
}
#endif
p = mPendSV_FIFO[0];
do{
sv = *++p;
(*sPendSV_FIFOHandler[*(const s_u8_t *)sv])(sv);
}while(mPendSV_FIFO_P0 > p);
mPendSV_FIFO_P0 = mPendSV_FIFO[0];
}
m_sign_fifo = true;
if(mPendSV_FIFO_P1 == mPendSV_FIFO[1]) return;
/* 独占访问FIFO1 */
if(true){
#if (SYSCFG_PENDSVFIFO_MONITOR == __ENABLED__)
depth = (s_u32_t)(mPendSV_FIFO_P1 - mPendSV_FIFO[1]);
if(depth > mPendSV_FIFO_DepthMAX){
mPendSV_FIFO_DepthMAX = depth;
}
#endif
p = mPendSV_FIFO[1];
do{
sv = *++p;
(*sPendSV_FIFOHandler[*(const s_u8_t *)sv])(sv);
}while(mPendSV_FIFO_P1 > p);
mPendSV_FIFO_P1 = mPendSV_FIFO[1];
}
if(mPendSV_FIFO_P0 > mPendSV_FIFO[0]) goto __LABLE;
}
#endif
#endif