Diff: Source3.cpp

Revision:

7:7c0621d33781

Parent:

5:0ca9f1bc1fb0

--- a/Source3.cpp	Tue Sep 18 06:48:47 2012 +0000
+++ b/Source3.cpp	Tue Sep 18 16:16:23 2012 +0000
@@ -1,42 +1,12 @@
-#ifndef PWM_H_2012_08_28_
-#define PWM_H_2012_08_28_
-
 #include "LPC17xx.h"
 #include "mbed.h"
-//#include "PowerControl.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;//
+#include "pwm.h"
 
-volatile uint8_t SRV_Idx = 0;//
-volatile uint32_t SRV_dutyTable[SRV_BANK_NUM][SRV_IDX_NUM];//
-
-const uint32_t SRV_PWMTable[SRV_BANK_NUM][SRV_IDX_NUM]={
-{0,SRV_PERIOD,0,SRV_PERIOD,0,SRV_PERIOD,0,SRV_PERIOD},
-{0,0,SRV_PERIOD,SRV_PERIOD,0,0,SRV_PERIOD,SRV_PERIOD},
-{0,0,0,0,SRV_PERIOD,SRV_PERIOD,SRV_PERIOD,SRV_PERIOD}
-};
-
-void Init_PWM(void);
-void SetDuty(uint8_t ch, uint32_t duty);
+Ticker flip;
 void main_th(void);
 
-#endif  //PWM_H_2012_08_28_
-
-#ifdef __cplusplus
-extern "C" {
-    void PWM1_IRQHandler();
-}
-#endif
-
-Ticker flip;
+extern volatile uint8_t SRV_Idx;
+extern volatile uint32_t SRV_dutyTable[SRV_BANK_NUM][SRV_IDX_NUM];
 
 int main(void) {
     
@@ -56,71 +26,4 @@
 
 void main_th(void) {
     SetDuty(1,0);
-}
-
-void PWM1_IRQHandler (void) {
-    
-    LPC_PWM1->MR1 = SRV_PWMTable[0][SRV_Idx];
-    LPC_PWM1->MR2 = SRV_PWMTable[1][SRV_Idx];
-    LPC_PWM1->MR3 = SRV_PWMTable[2][SRV_Idx];
-    LPC_PWM1->MR4 = SRV_dutyTable[0][SRV_Idx];
-    LPC_PWM1->MR5 = SRV_dutyTable[1][SRV_Idx];
-    LPC_PWM1->MR6 = SRV_dutyTable[2][SRV_Idx];
-    
-    LPC_PWM1->LER |= 0x7E;
-    
-    LPC_PWM1->IR |= (1<<0); // reset PWMMR0 flag
-    
-    SRV_Idx++;
-
-    if(SRV_Idx >= SRV_IDX_NUM){
-        SRV_Idx = 0;
-    }
-}
-
-void Init_PWM(void) {
-    LPC_PINCON->PINSEL3 &= ~(3 << 4); // GPIO (00)
-    LPC_GPIO1->FIODIR |= (1 << 18);  // output
-    
-    LPC_PINCON->PINSEL4 |= 0x555; // GPIO (00)
-    LPC_GPIO2->FIODIR |= 0x3F;  // output
-
-    LPC_SC->PCLKSEL0 &= ~(3 << 12); // PCLK_TIMER0 ck/4 (00)
-    LPC_SC->PCONP |= (1 << 6); // PCPWM1
-    
-    LPC_PWM1->IR |= (1<<0);//reset PWMMR0 flag
-    LPC_PWM1->TCR = (1 << 1);//reset
-    LPC_PWM1->PR = SystemCoreClock / 4 / 1000000 - 1; // prescale 1000kHz(1us&#65533;&#65533;&#65533;&#65533;)&#65533;&#65533;&#65533;&#65533;&#65533;&#273538;&#386;&#579;^&#65533;C&#65533;}&#65533;J&#65533;E&#65533;&#65533;&#65533;^&#65533;&#65533;J&#65533;E&#65533;&#65533;&#65533;g&#65533;A&#65533;b&#65533;v&#65533;&#65533;&#65533;&#37033;&#65533;&#386;&#65533;&#65533;&#65533;&#65533;&#1874;&#65533;
-    LPC_PWM1->CTCR = 0;
-    LPC_PWM1->MCR |= (1 << 1)|(1 << 0); // MR0R, MR0
-
-    LPC_PWM1->MR0 = SRV_PERIOD; // PWM(74HC238&#65533;&#65533;G1)&#65533;&#65533;&#65533;2500us
-    //LPC_PWM1->MR1 = SRV_MAX_DUTY;//SRV_PERIOD; // &#65533;&#1538;&#65533;&#1410;&#65533;&#65533;&#65533;&#65533;(74HC238&#65533;&#65533;A)1
-    //LPC_PWM1->MR2 = SRV_MAX_DUTY;//SRV_PERIOD; // &#65533;&#1538;&#65533;&#1410;&#65533;&#65533;&#65533;&#65533;(74HC238&#65533;&#65533;B)
-    //LPC_PWM1->MR3 = SRV_MAX_DUTY;//SRV_PERIOD; // &#65533;&#1538;&#65533;&#1410;&#65533;&#65533;&#65533;&#65533;(74HC238&#65533;&#65533;C)
-    //LPC_PWM1->MR4 = SRV_MAX_DUTY;//(SRV_MAX_DUTY + SRV_MIN_DUTY) / 2; //PWM(74HC238&#65533;&#65533;G1)&#65533;f&#65533;&#65533;&#65533;[&#65533;e&#65533;B&#65533;[(&#65533;j&#65533;&#65533;&#65533;[&#65533;g&#65533;&#65533;&#65533;&#65533;)
-    //LPC_PWM1->MR5 = SRV_MAX_DUTY;//(SRV_MAX_DUTY + SRV_MIN_DUTY) / 2;
-    //LPC_PWM1->MR6 = SRV_MAX_DUTY;//(SRV_MAX_DUTY + SRV_MIN_DUTY) / 2;
-
-    LPC_PWM1->TCR = (1 << 0)|(1 << 3); // enable
-    LPC_PWM1->PCR |= (0x3F << 9);//1-6 pwm
-    LPC_PWM1->LER |= 0x7E;
-
-    //__enable_irq();
-    //__disable_irq();
-    //NVIC_DisableIRQ(PWM1_IRQn);
-    
-    NVIC_SetPriority(PWM1_IRQn,0);//priority level (high)0~255(low)
-    NVIC_EnableIRQ(PWM1_IRQn);//enable
-}
-
-void SetDuty(uint8_t ch, uint32_t duty){
-    if(ch >= SRV_CH_NUM){
-        return;
-    }else if(duty < SRV_MIN_DUTY){
-        duty = SRV_MIN_DUTY;
-    }else if(duty > SRV_MAX_DUTY){
-        duty = SRV_MAX_DUTY;
-    }
-    SRV_dutyTable[ch >> SRV_IDX_SHIFT][ch & SRV_IDX_MASK] = duty;
 }
\ No newline at end of file