[bsp][stm32/libraries]support PWM1

bsp/stm32/libraries/HAL_Drivers/config/l4/pwm_config.h

@@ -17,6 +17,17 @@
 extern "C" {
 #endif
 
+#ifdef BSP_USING_PWM1
+#ifndef PWM1_CONFIG
+#define PWM1_CONFIG                             \
+    {                                           \
+       .tim_handle.Instance     = TIM1,         \
+       .name                    = "pwm1",       \
+       .channel                 = 0             \
+    }
+#endif /* PWM1_CONFIG */
+#endif /* BSP_USING_PWM1 */
+
 #ifdef BSP_USING_PWM2
 #ifndef PWM2_CONFIG
 #define PWM2_CONFIG                             \

bsp/stm32/libraries/HAL_Drivers/drv_pwm.c

@@ -411,6 +411,18 @@ __exit:
 
 static void pwm_get_channel(void)
 {
+#ifdef BSP_USING_PWM1_CH1
+    stm32_pwm_obj[PWM1_INDEX].channel |= 1 << 0;
+#endif
+#ifdef BSP_USING_PWM1_CH2
+    stm32_pwm_obj[PWM1_INDEX].channel |= 1 << 2;
+#endif
+#ifdef BSP_USING_PWM1_CH3
+    stm32_pwm_obj[PWM1_INDEX].channel |= 1 << 3;
+#endif
+#ifdef BSP_USING_PWM1_CH4
+    stm32_pwm_obj[PWM1_INDEX].channel |= 1 << 4;
+#endif
 #ifdef BSP_USING_PWM2_CH1
     stm32_pwm_obj[PWM2_INDEX].channel |= 1 << 0;
 #endif