GPIOB->BSRR = 0x01就是把GPIOB port 0升为高电平\r\nGPIOB->BRR = 0x01就是把GPIOB port 0降为低电平\r\nGPIOB->BSRR = 0x02就是把GPIOB port 1升为高电平\r\nGPIOB->BRR = 0x02就是把GPIOB port 1降为低电平\r\nGPIOB->BSRR = 0x04就是把GPIOB port 2升为高电平\r\...
GPIOB->BSRR = 0x01就是把GPIOB port 0升为高电平 GPIOB->BRR = 0x01就是把GPIOB port 0降为低电平 GPIOB->BSRR = 0x02就是把GPIOB port 1升为高电平 GPIOB->BRR = 0x02就是把GPIOB port 1降为低电平 GPIOB->BSRR = 0x04就是把GPIOB port 2升为高电平 GPIOB->BRR = 0x04...
IOB->BSRR = 0x01就是把GPIOB port 0升为高电平\r\nGPIOB->BRR = 0x01就是把GPIOB port 0降为低电平\r\nGPIOB->BSRR = 0x02就是把GPIOB port 1升为高电平\r\nGPIOB->BRR = 0x02就是把GPIOB port 1降为低电平\r\nGPIOB->BSRR = 0x04就是把GPIOB port 2升为高电平\r\nGPIOB->BRR...