关于STM32 freertos tickless退出STOP1问题:
关于优先级的设置:
#define USE_FreeRTOS_HEAP_4
/* Cortex-M specific definitions. */
#ifdef __NVIC_PRIO_BITS
/* __BVIC_PRIO_BITS will be specified when CMSIS is being used. */
#define configPRIO_BITS __NVIC_PRIO_BITS
#else
#define configPRIO_BITS 4
#endif
/* The lowest interrupt priority that can be used in a call to a "set priority"
function. */
#define configLIBRARY_LOWEST_INTERRUPT_PRIORITY 15
/* The highest interrupt priority that can be used by any interrupt service
routine that makes calls to interrupt safe FreeRTOS API functions. DO NOT CALL
INTERRUPT SAFE FREERTOS API FUNCTIONS FROM ANY INTERRUPT THAT HAS A HIGHER
PRIORITY THAN THIS! (higher priorities are lower numeric values. */
#define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY 5 //中断优先级在5~15之间才能够调用freertos API接口
/* Interrupt priorities used by the kernel port layer itself. These are generic
to all Cortex-M ports, and do not rely on any particular library functions. */
#define configKERNEL_INTERRUPT_PRIORITY ( configLIBRARY_LOWEST_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
/* configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to zero
See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */
#define configMAX_SYSCALL_INTERRUPT_PRIORITY ( configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
/* Normal assert() semantics without relying on the provision of an assert.h
header file. */
/* USER CODE BEGIN 1 */
#define configASSERT( x ) if ((x) == 0) {taskDISABLE_INTERRUPTS(); for( ;; );}
/* USER CODE END 1 */
/* EXTI interrupt init*/
HAL_NVIC_SetPriority(EXTI2_IRQn, 5, 0);
HAL_NVIC_EnableIRQ(EXTI2_IRQn);
HAL_NVIC_SetPriority(EXTI9_5_IRQn, 5, 0);
HAL_NVIC_EnableIRQ(EXTI9_5_IRQn);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_7);
使用tickless进入STOP1之后,外部中断、RTC中断可以正常及时触发,但是无法唤醒CPU。
尝试过裸机退出STOP1模式,功能正常。
目前被此问题卡住,还请点拨,谢谢!