PWM_setHighSpeedClkDiv(myPwm1, PWM_HspClkDiv_by_2); // Clock ratio to SYSCLKOUT
PWM_setClkDiv(myPwm1, PWM_ClkDiv_by_2);
其中PWM_HspClkDiv_by_2=（1<<7),PWM_ClkDiv_by_2=(1<<10),PWM_HspClkDiv、ClkDiv的值是多少？1<<7、1<<10是1分别左移7位和10位吗?
PWM_setHighSpeedClkDiv(myPwm1, PWM_HspClkDiv_by_2); // Clock ratio to SYSCLKOUT
PWM_setClkDiv(myPwm1, PWM_ClkDiv_by_2);
其中PWM_HspClkDiv_by_2=（1<<7),PWM_ClkDiv_by_2=(1<<10),PWM_HspClkDiv、ClkDiv的值是多少？1<<7、1<<10是1分别左移7位和10位吗?
