APM8S007 STIM-PWM死区互补输出
概述高级定时器和通用定时器在基本定时器的基础上引入了外部引脚，通过外部引脚可以实现输入捕获和输出比较的功能。高级定时器和通用定时器相比增加了可编程死区互补输出、重复计数器带刹车功能，这些功能在电机控制方面发挥了很大作用。
以下是使用APM8S007的STIM配置为死区互补输出。 #define Deadtime 100
#define STMR_PEROID_VAL (SYSCLK/1/2000 - 1) // 周期值=系统时钟/分频/频率*2(计数类型选择中心对齐所以需要乘2) - 1
FOUT_S05 = 0xA; // AH--05
FOUT_S06 = 0x9; // AL--06
FOUT_S07 = 0x8; // BH--P07
FOUT_S10 = 0x7; // BL--P10
FOUT_S11 = 0x6; // CH--P11
FOUT_S12 = 0x5; // CL--P12
P0_MD1 &= ~((0x3<<2) | (0x3<<4) | (0x3<<6));
P1_MD0 &= ~((0x3<<0) | (0x3<<2) | (0x3<<4));
P0_MD1 |= ((0x1<<2) | (0x1<<4) | (0x1<<6));
P1_MD0 |= ((0x1<<0) | (0x1<<2) | (0x1<<4));
// STMR0和STMR1互补配置：STMR0和STMR1为互补模式: STMR1的周期和占空比由STMR0控制，其他行为STMR1自行控制
STMR_CON0 &= ~ ((0x3<<0)|(0x3<<2)|(0x3<<4));
STMR_CON0 |= ((0x2<<0)|(0x2<<2)|(0x2<<4)); // STMR0和STMR1为互补模式
STMR_DTEN |= ((0x1<<0) | (0x1<<1) |(0x1<<2)|(0x1<<3)); // STMR0/STMR1死区使能
STMR_EDGESEL &=~((0x1<<0) | (0x1<<1)); // STMR1 PWM下降沿触发STMR0死区事件
STMR_EDGESEL |= ((0x1<<2)| (0x1<<3)|(0x1<<4)|(0x1<<5));
STMR_DTDAT &=~((0x0<<0)|(0x0<<1)|(0x0<<2)|(0x0<<3)|(0x0<<4)|(0x0<<5)); // STMR1 PWM死区时间内输出0
STMR_DTCON |=((0x6<<0) |(0x7<<3)); // STMR0无死区，STMR1向下或向上计数时比较点-死区时间
STMR01_DT =Deadtime << 0;
STMR23_DT =Deadtime << 0;
STMR45_DT =Deadtime << 0;
STMR0_PSC =(0x0<<0); // 不分频
STMR1_PSC =(0x0<<0);
STMR2_PSC =(0x0<<0);
STMR3_PSC =(0x0<<0);
STMR4_PSC =(0x0<<0);
STMR5_PSC =(0x0<<0);
STMR0_PRH =(((STMR_PEROID_VAL >> 8) & 0xFF)<<0); // 周期高八位寄存器
STMR0_PRL =(((STMR_PEROID_VAL >> 0) & 0xFF)<<0); // 周期低八位寄存器
STMR0_CMPAH =((((STMR_PEROID_VAL/2) >> 8) & 0xFF)<<0);// 比较值A点高八位寄存器
STMR0_CMPAL =((((STMR_PEROID_VAL/2) >> 0) & 0xFF)<<0);// 比较值A点低八位寄存器
STMR2_PRH =(((STMR_PEROID_VAL >> 8) & 0xFF)<<0); // 周期高八位寄存器
STMR2_PRL =(((STMR_PEROID_VAL >> 0) & 0xFF)<<0); // 周期低八位寄存器
STMR2_CMPAH =((((STMR_PEROID_VAL/2) >> 8) & 0xFF)<<0);// 比较值A点高八位寄存器
STMR2_CMPAL =((((STMR_PEROID_VAL/2) >> 0) & 0xFF)<<0);// 比较值A点低八位寄存器
STMR4_PRH =(((STMR_PEROID_VAL >> 8) & 0xFF)<<0); // 周期高八位寄存器
STMR4_PRL =(((STMR_PEROID_VAL >> 0) & 0xFF)<<0); // 周期低八位寄存器
STMR4_CMPAH =((((STMR_PEROID_VAL/2) >> 8) & 0xFF)<<0); // 比较值A点高八位寄存器
STMR4_CMPAL =((((STMR_PEROID_VAL/2) >> 0) & 0xFF)<<0); // 比较值A点低八位寄存器
STMR_PWMVALA |=((0x1<<0)|(0x1<<2)|(0x1<<4)); // 计数CNT大于等于比较值A,PWM输出1,小于输出0
STMR_PWMVALA &= ~((0x1<<1)|(0x1<<3)|(0x1<<5));
STMR_PWMEN |=((0x1<<0)|(0x1<<1)|(0x1<<2)|(0x1<<3)|(0x1<<4)|(0x1<<5)); // PWM输出使能
STMR_CNTMD |=((0x1<<0)|(0x1<<1)|(0x1<<2)|(0x1<<3)|(0x1<<4)|(0x1<<5)); // 选择连续计数模式
STMR_LOADEN|=((0x1<<0)|(0x1<<1)|(0x1<<2)|(0x1<<3)|(0x1<<4)|(0x1<<5)); // 自动装载使能
STMR_CNTCLR|=((0x1<<0)|(0x1<<1)|(0x1<<2)|(0x1<<3)|(0x1<<4)|(0x1<<5)); // 计数清零
STMR_CNTTYPE |=((0x1<<0)|(0x1<<1)|(0x1<<2)|(0x1<<3)|(0x1<<4)|(0x1<<5)); // 计数类型选择中心对齐
// STIMER1配置 // 不分频
// 计数使能
STMR_CNTEN |=((0x1<<0)|(0x1<<1)|(0x1<<2)|(0x1<<3)|(0x1<<4)|(0x1<<5)); // 计数使能
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