stm單片機紅外編碼程序

以下是初始化配置函數，和紅外發射函數，
使用的單片機為stm8s103，沒有使用外部晶振，若用其他的單片機或晶振，在發送函數中的軟件延時，還要通過示波器來調試。
還有一個問題，就是關于編譯器的優化，這東西在時序要求很高的時候，盡量采用一些方式，把優化關掉，否則，軟件延時很可能會有誤差，從而造成通訊的問題。

void init()
{
//時鐘配置
CLK_SYSCLKConfig(CLK_PRESCALER_HSIDIV1);//內部高速RC振蕩時鐘分頻
CLK_SYSCLKConfig(CLK_PRESCALER_CPUDIV1);//CPU核心時鐘分頻
//IO配置
//可不用設置，在開啟相應外設時，外設會接管io
//TIM配置
asm("sim"); // 關全局中斷

TIM2->PSCR = 0x00;
TIM2->ARRH = (u8)(418 >> 8);
TIM2->ARRL = (u8)(418);

TIM2->CCMR1 = 0x60;
TIM2->CCER1 = 0x01;
TIM2->CCMR1 |= 0x08;
TIM2->CCR1H = 0;
TIM2->CCR1L = 100;
TIM2_OC1PreloadConfig(ENABLE);

TIM2->CCMR2 = 0x60;
TIM2->CCER1 |= 0x10;
TIM2->CCMR2 |= 0x08;
TIM2->CCR2H = 1;
TIM2->CCR2L = 0;
TIM2->CCMR3 = 0x60;
TIM2->CCER2 |= 0x01;
TIM2->CCMR3 |= 0x08;
TIM2->CCR3H = 1;
TIM2->CCR3L = 0;
TIM2->CR1 |= 0x81;



GPIOD->DDR &= ~(1<<5);
GPIOD->CR1 |= (1<<5);
GPIOD->ODR |= (1<<5);

GPIOD->DDR &= ~(1<<6);
GPIOD->CR1 |= (1<<6);
GPIOD->ODR |= (1<<6);

GPIO_Init(GPIOD, GPIO_PIN_3, GPIO_MODE_OUT_PP_LOW_FAST);

UART1->BRR2 = 0x02; // 設置波特率9600
UART1->BRR1 = 0x68; // 8M/9600 = 0x341
UART1->CR2 = 0x2C; // 允許接收中斷，允許接收，允許發送
UART1->CR1 &=~ (1 << 5); //使能uart1
GPIO_DeInit(GPIOB);
asm("rim"); // 開全局中斷
}

#pragma optimize=none
void IR_send(u8 add_l,u8 add_h,u8 dat)
{
u8 t,temp;
temp =~ dat;

//發送前導碼
IR_1;
IR_delay(4350);
IR_0;
IR_delay(2200);

for(t = 0; t < 8; t++) //發送低8位地址
{
if(add_l&0x01)
{
IR_1;
IR_delay(300);
IR_0;
IR_delay(800);
}
else
{
IR_1;
IR_delay(270);
IR_0;
IR_delay(270);
}
add_l >>= 1;
}

for(t = 0; t < 8; t++) //發送高8位地址
{
if(add_h&0x01)
{
IR_1;
IR_delay(300);
IR_0;
IR_delay(800);
}
else
{
IR_1;
IR_delay(270);
IR_0;
IR_delay(270);
}
add_h >>= 1;
}

for(t = 0; t < 8; t++) //發送8位數據
{
if(dat&0x01)
{
IR_1;
IR_delay(300);
IR_0;
IR_delay(800);

}
else
{
IR_1;
IR_delay(270);
IR_0;
IR_delay(270);

}
dat >>= 1;
}

for(t = 0; t < 8; t++) //發送8位數據反碼
{
if(temp&0x01)
{
IR_1;
IR_delay(300);
IR_0;
IR_delay(800);
}
else
{
IR_1;
IR_delay(270);
IR_0;
IR_delay(270);
}
temp >>= 1;
}

IR_1;IR_delay(270);
IR_0;IR_delay(270);

}