pin

src/gpio_pwm.c

@@ -12,6 +12,8 @@
 // 定义占空比范围，这里设置为 0 到 1000
 #define MAX_DUTY 1000
 
+
+
 void pwm_speed() {
 
     int pwm_clock = 19200000 / (PWM_FREQ * 1000);
@@ -37,6 +39,8 @@ void midde_pwm()
 
 void mode_1_flont(unsigned char gval)
 {
+	digitalWrite(SPEED_IN_1, HIGH);
+	digitalWrite(SPEED_IN_2, LOW);
     if(gval<=50)
 	{
 		pwmWrite(PWM_PIN_SPEED,150);
@@ -74,6 +78,8 @@ void mode_1_flont(unsigned char gval)
 
 void mode_2_back(unsigned char gval)
 {
+	digitalWrite(SPEED_IN_2, HIGH);
+	digitalWrite(SPEED_IN_1, LOW);
     if(gval<=50)
 	{
 		pwmWrite(PWM_PIN_SPEED,150);