GLIB //超声波 TIM1_CH1 PA8 chco TIM1_CH4 PA11 //PWM TIM2_CH1 A0 TIM2_CH2 A1 TIM8_CH1 C6 TIM8_CH2 C7 A1 A0 C6 C7 68 57 //CAP TIM3_CH3 B0 TIM3_CH4 B1 TIM3_CH1 B4 TIM3_CH2 B5 TIM4_CH1 D12 TIM4_CH2 D13 ====