ATOMIC_SET_BIT(UART4->CR3, USART_CR3_EIE);} /* USER CODE END UART4_IRQn 0 */ HAL_UART_...
在CMSIS模块中已经提供了原子操作宏,用于操作16位或32位变量,包括ATOMIC_SET_BIT、ATOMIC_CLEAR_BIT、ATOMIC_MODIFY_REG,先上源码,V1.26.2版本以前没有这些宏。 https://github.com/STMicroelectronics/STM32CubeF4/blob/4aba24d78fef03d797a82b258f37dbc84728bbb5/Drivers/CMSIS/Device/ST/STM32F4xx/Include/...
ATOMIC_SET_BIT(huart->Instance->CR3, USART_CR3_DMAT);return HAL_OK;} else { return HAL_BUSY...
void GPIO_AtomicSetBit(GPIO_TypeDef * GPIOx, uint32_t n) 1. 2. 3. 4. 另外,与其他单片机不同的是,该单片机还有一些特殊的操作需要注意: 当GPIOx的16个引脚中,有些在主循环中操作,有些在中断ISR中操作时,GPIOx的引脚必须都用GPIO_Atomic类型函数操作。 比如,GPIOA0是在主循环中操作的,而GPIOA1是...
hal_uart.o). stm32L476\stm32L476.axf:Error: L6218E: Undefined symbol ATOMIC_SET_BIT (...
Questioning use of ATOMIC_SET_BIT ATOMIC_CLEAR_BIT macros in LL_USART_EnableDirectionRx, LL_USART_SetTransferDirection and some others: STM32CubeF4/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_usart.h Line 449 in 4aba24d ATOMIC_SET_BIT(...
while(1){ GPIOB->ODR = 1;GPIOB->ODR = 0;} IO 口示波器实测速度才 16.7MHz 左右；然后，...
. 161 9.1.2 Atomic bit set or reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161 9.1.3 External interrupt/wakeup lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162 9.1.4 ...
need to be guarded with a critical section. */ #define portTICK_TYPE_IS_ATOMIC 1 #end...
STM32F479 STM32F4 MCU 32-Bit ARM® Cortex®-M4 Embedded Evaluation Board 2023-03-30 11:47:46 OLIMEXINO-STM32 STM32F103RBT6 Maple STM32F1 MCU 32-Bit ARM® Cortex®-M3 Embedded Evaluation Board 2023-03-30 11:48:07 STM32 最新的HAL库报:Undefined symbol ATOMIC_CLEAR_BIT : Undef...