用汇编语言实现STM32的LED和USART

最新推荐文章于 2023-01-26 18:39:21 发布

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最新推荐文章于 2023-01-26 18:39:21 发布 · 3.2k 阅读

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				AREA RESET, DATA, READONLY
				
				DCD 0x20000000 + 1024 ;0
				DCD	UserMain ;1
				DCD 0 ;NMI 2
				DCD 0 ;HardFault 3
				DCD 0 ;MemManage 4
				DCD 0 ; 5
				DCD 0 ; 6
				DCD 0 ; 7
				DCD 0 ; 8
				DCD 0 ; 9
				DCD 0 ; 10
				DCD 0 ; 11
				DCD 0 ; 12
				DCD 0 ; 13
				DCD 0 ; 14
				DCD SysTick_Handler ; 15
HelloString		DCB "Hello Word\n"
HelloEnd
HexTable		DCB "0123456789ABCDEF"
HexTableEnd

GPIOF_BASE		EQU		0x40021400
GPIOF_MODER		EQU		GPIOF_BASE + 0x00
GPIOF_OTYPER	EQU		GPIOF_BASE + 0x04
GPIOF_OSPEEDR	EQU		GPIOF_BASE + 0x08
GPIOF_PUPDR		EQU		GPIOF_BASE + 0x0C
GPIOF_IDR		EQU		GPIOF_BASE + 0x10
GPIOF_ODR 		EQU		GPIOF_BASE + 0x14
GPIOF_BSRR		EQU		GPIOF_BASE + 0x18
GPIOF_AFRL		EQU		GPIOF_BASE + 0x20
GPIOF_AFRH		EQU		GPIOF_BASE + 0x24
	
GPIOA_BASE 		EQU		0x40020000
GPIOA_MODER		EQU		GPIOA_BASE + 0x00		
GPIOA_OTYPER	EQU		GPIOA_BASE + 0x04
GPIOA_OSPEEDR	EQU		GPIOA_BASE + 0x08
GPIOA_PUPDR		EQU		GPIOA_BASE + 0x0C
GPIOA_IDR		EQU		GPIOA_BA