跑马灯程序

下图文件在/LED/User/main.c

/User/main.c /LED/STM32F2xx_StdPeriph_Driver/inc/stm32f2xx_gpio.h

//来自文件/LED/CMSIS/CM3/DeviceSupport/ST/STM32F2xx/stm32f2xx.h
0995 #define PERIPH_BASE             ((uint32_t)0x40000000)/*|< Peripheral base address in the alias region */
1005 #define AHB1PERIPH_BASE         (PERIPH_BASE + 0x00020000)
1056 #define GPIOD_BASE              (AHB1PERIPH_BASE + 0x0C00)
1156 #define GPIOD                   ((GPIO_TypeDef *) GPIOD_BASE)

STM32F20x LQFP100 pinout

STM32F20x LQFP100 pinout 注释 STM32F2xxxx Reference Manual.pdf 第134页

GPIO

registers	name
configuration registers	GPIOx_MODER
configuration registers	GPIOx_OTYPER
configuration registers	GPIOx_OSPEEDR
configuration registers	GPIOx_ PUPDR
data registers	GPIOx_IDR
configuration registers	GPIOx_ODR
set/reset register	GPIOx_BSRR
locking register	GPIOx_LCKR

STM32F2xxxx Reference Manual.pdf 第148页

void Uart2Init(void);        /LED/User/uart.c

/LED/STM32F2xx_StdPeriph_Driver/inc/stm32f2xx_usart.h