Diff: PWM.h

Revision:

9:d9ce965299d2

Child:

11:1539d181e159

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PWM.h	Sat Sep 22 06:16:15 2012 +0000
@@ -0,0 +1,34 @@
+#ifndef PWM_H_2012_08_28_
+#define PWM_H_2012_08_28_
+
+#include "LPC17xx.h"
+#include "mbed.h"
+
+const uint32_t SRV_PERIOD = 2500 - 1;//
+const uint32_t SRV_MAX_DUTY = 2100 - 1;//
+const uint32_t SRV_MIN_DUTY = 900 - 1;//
+
+const uint8_t SRV_IDX_SHIFT = 3;//
+const uint8_t SRV_IDX_NUM = 1 << SRV_IDX_SHIFT;//
+const uint8_t SRV_IDX_MASK = SRV_IDX_NUM - 1;//
+const uint8_t SRV_BANK_NUM = 3;//
+const uint8_t SRV_CH_NUM = SRV_IDX_NUM * SRV_BANK_NUM;//
+
+class PWM {
+  public:
+    PWM();
+  public:
+    void InitPWM();
+    void SetDuty(uint8_t ch, uint32_t duty);
+  public:
+    static volatile uint8_t SRV_Idx;
+    static volatile uint32_t SRV_dutyTable[SRV_BANK_NUM][SRV_IDX_NUM];
+};
+
+#ifdef __cplusplus
+extern "C" {
+    void PWM1_IRQHandler();
+}
+#endif
+
+#endif  //PWM_H_2012_08_28_
\ No newline at end of file