ARM 프로그램 소스 (LED 점등, 비트밴딩, 3색LED, 세크먼트, key)

소개글

ARM 프로그램 소스 (LED 점등, 비트밴딩, 3색LED, 세크먼트, key)에 대한 보고서 자료입니다.

목차

1. LED 점등
2. 비트밴딩
3. 3색LED
4. 세크먼트
5. key

본문내용

g*)0x40011014) |= 0x67;
delay_int_count(500000);
(*(volatile unsigned long*)0x40011010) |= 0xff;
(*(volatile unsigned long*)0x40011014) |= 0xFF;
delay_int_count(500000);
(*(volatile unsigned long*)0x40011010) |= 0xff;
(*(volatile unsigned long*)0x40011014) |= 0xE7;
delay_int_count(500000);
}
}
5. key
/*
* Key_led_test:wkup-Green;userkey-Red
*/
static void delay_int_count(volatile unsigned int nTime)
{
for(; nTime > 0; nTime--);
}
int main(void)
{
(*(volatile unsigned*)0x40021018) |= 0x8; //GPIOB CLOCK ENABLE led 클럭
(*(volatile unsigned*)0x40021018) |= 0x4; //GPIOA CLOCK ENABLE key 클럭
(*(volatile unsigned*)0x40010c04) &= 0xffffff00; //GPIOB_pin9,8 초기화
(*(volatile unsigned*)0x40010c04) |= 0x11; //GPIOB_pin9,8 mode 설정
(*(volatile unsigned*)0x40010c00) &= 0xff0fffff; //GPIOB_pin5 초기화
(*(volatile unsigned*)0x40010c00) |= 0x100000; //GPIOB_pin5 mode 설정
(*(volatile unsigned*)0x40010800) &= 0xffffff00; //GPIOA_pin1,0 초기화
(*(volatile unsigned*)0x40010800) |= 0x44; //GPIOA_pin1,0 mode 설정
while(1)
{
(*(volatile unsigned*)0x40010c14) |= 0x20;
delay_int_count(50000);
(*(volatile unsigned*)0x40010c10) |= 0x20;
delay_int_count(50000);
if( ( (*(volatile unsigned*)0x40010808) & 0x1 )== 0x1 ) //GPIOA_pin0 check
{
(*(volatile unsigned*)0x40010c14) |= 0x100;
}
else
{
(*(volatile unsigned*)0x40010c10) |= 0x100;
}
if( ((*(volatile unsigned*)0x40010808) & 0x2 )== 0x2 ) //GPIOA_pin1 check
{
(*(volatile unsigned*)0x40010c14) |= 0x200;
}
else
{
(*(volatile unsigned*)0x40010c10) |= 0x200;
}
}
}

키워드

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