fix：修复调光时间BUG

解决调光时间一样的情况下，调光亮与调光灭的实际调光时间不一致问题

pwm_control.h

@@ -0,0 +1,51 @@
+#ifndef PWM_CONTROL_H
+#define PWM_CONTROL_H
+
+#include "STC8xxxx.h"
+
+#define PWM_MAX_VALUE      1250ul
+#define initial_Val        1251ul
+/*
+#define LED_DRV_CH1  P07
+#define LED_DRV_CH2  P06
+#define LED_DRV_CH3  P05
+#define LED_DRV_CH4  P04
+#define LED_DRV_CH5  P03
+#define LED_DRV_CH6  P02
+#define LED_DRV_CH7  P01
+#define LED_DRV_CH8  P00
+#define LED_DRV_CH9  P23
+#define LED_DRV_CH10 P22
+#define LED_DRV_CH11 P21
+#define LED_DRV_CH12 P20
+*/
+#define LED_DRV_12V_EN P10
+
+typedef struct
+{
+  u16 currpwm[12];
+  u16 thenvalue[12];
+  float doublecurrpwm[12];
+  u16 wanttopwm[12];
+  u16 currvalue[12];                  //<2F><>ǰ<EFBFBD>ٷֱ<D9B7>ֵ
+  u16 changetime[12];
+  u16 wanttovalue[12];
+  float every_change_10ms[12];
+//  u16 wanttopwmflash[12];
+  u8 key_value;
+}xdata S_PWM;
+
+extern S_PWM s_pwm;
+
+void Close_Light(u8 pin);
+void Open_Light(u8 pin);
+void PWM_write(u8 i, u16 pwm);
+void deal_command1(void);
+void deal_command2(void);
+void show_light(void);
+void checkpwm(void);
+
+void GPIO_config(void);
+void pwm_config(void);
+
+#endif