原先想把早先写的M3的程序转到M4上，结果就出错了

童童爱电子

[mw_shl_code=c,true]FIFO_CS_L(); /*??????FIFO????????*/ FIFO_WE_H(); /*??????FIFO?????í*/[/mw_shl_code]

“no member named "BRR" in "GPIO_TypeDef"”

[mw_shl_code=c,true]#define FIFO_CS_H() GPIOA->BSRR =GPIO_Pin_3 #define FIFO_CS_L() GPIOA->BRR =GPIO_Pin_3 /*??????FIFO????????*/ #define FIFO_WRST_H() GPIOB->BSRR =GPIO_Pin_5 /*???????íFIFO??(????from?????·)???????? */ #define FIFO_WRST_L() GPIOB->BRR =GPIO_Pin_5 /*??????FIFO??(????from?????·)????????*/ #define FIFO_RRST_H() GPIOA->BSRR =GPIO_Pin_2 /*???????íFIFO??(??????FIFO????)???????? */ #define FIFO_RRST_L() GPIOA->BRR =GPIO_Pin_2 /*??????FIFO??(??????FIFO????)???????? */ #define FIFO_RCLK_H() GPIOC->BSRR =GPIO_Pin_5 #define FIFO_RCLK_L() GPIOC->BRR =GPIO_Pin_5 /*FIFO?????????±??*/ #define FIFO_WE_H() GPIOD->BSRR =GPIO_Pin_3 /*??????FIFO?????í*/ #define FIFO_WE_L() GPIOD->BRR =GPIO_Pin_3 #define READ_FIFO_PIXEL(RGB565) do{\ RGB565=0;\ FIFO_RCLK_L();\ RGB565 = (GPIOB->IDR) & 0xff00;\ FIFO_RCLK_H();\ FIFO_RCLK_L();\ RGB565 |= (GPIOB->IDR >>8) & 0x00ff;\ FIFO_RCLK_H();\ }while(0) #define FIFO_PREPARE do{\ FIFO_RRST_L();\ FIFO_RCLK_L();\ FIFO_RCLK_H();\ FIFO_RRST_H();\ FIFO_RCLK_L();\ FIFO_RCLK_H();\ }while(0) [/mw_shl_code]

这是头文件里对其的定义

正点原子

好好学习下STM32F4，和F103还是有点区别的。