这段代码社么意思This is a C function named PWM_regulate_1 that appears to be controlling PWM (Pulse Width Modulation) signals on two different channels, PWM_Number_1 and PWM_Number_2. Here's a breakdown of the function: Enable flag_on variable. Disable PWM clock for both channels (PWM_Number_1 and PWM_Number_2). Disable time-base clock synchronization. Enable PWM clock for both channels again. Determine the frequency from data[5] and data[6]. Set flag_freq based on the determined frequency. Calculate the period and dead time based on f and data values. Calculate the duty cycle (D) based on the period and data[7]. Set various configurations for myPwm1 (channel 1): Set the period, phase, and count values. Configure counter mode and disable counter load. Set shadow mode for PWM compare register A. Set high-speed clock division and clock division based on flag_freq. Set the comparison value for PWM compare register A (duty cycle). Configure action qualification for up/down counting mode. Configure dead band output, polarity, and input modes. Set rising and falling edge delay for dead band. Set similar configurations for myPwm2 (channel 2), using the same logic as above. Note: This code snippet seems to be a part of a larger program, missing some essential details such as variable types, initializations, libraries used, and possible hardware connections
时间: 2024-04-20 20:23:56 浏览: 158
单片机课程设计《PWM直流电动机调速控制系统》.doc
这段代码是一个名为PWM_regulate_1的C函数,看起来它控制了两个不同通道的PWM(脉冲宽度调制)信号,即PWM_Number_1和PWM_Number_2。下面是对该函数的解析:
1. 启用flag_on变量。
2. 禁用两个通道(PWM_Number_1和PWM_Number_2)的PWM时钟。
3. 禁用时间基准时钟同步。
4. 再次启用两个通道的PWM时钟。
5. 从data[5]和data[6]确定频率。
6. 根据确定的频率设置flag_freq标志。
7. 基于f和data值计算周期和死区时间。
8. 根据周期和data[7]计算占空比(D)。
9. 设置myPwm1(通道1)的各种配置:
- 设置周期、相位和计数值。
- 配置计数器模式并禁用计数器加载。
- 设置PWM比较寄存器A的影子模式。
- 根据flag_freq设置高速时钟分频和时钟分频。
- 设置PWM比较寄存器A(占空比)的比较值。
- 配置上升/下降计数模式的动作限定条件。
- 配置死区输出、极性和输入模式。
- 设置死区的上升和下降边缘延迟。
10. 使用相同的逻辑为myPwm2(通道2)设置类似的配置。
注意:这段代码片段似乎是一个较大程序的一部分,缺少一些必要的细节,如变量类型、初始化、使用的库和可能的硬件连接。
阅读全文