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285 lines
7.4 KiB
285 lines
7.4 KiB
#include "pwm.h"
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#include "../clib/type.h"
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#include "../clib/bit.h"
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#include "../cpu/c51_macro.h"
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#include "../bsp/bsp_config.h"
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/**********
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sfr P_SW2 = 0xba;
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sfr PWMCFG = 0xf1;
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sfr PWMIF = 0xf6;
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sfr PWMFDCR = 0xf7;
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sfr PWMCR = 0xfe;
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#define PWMC (*(unsigned int volatile xdata *)0xfff0)
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#define PWMCKS (*(unsigned char volatile xdata *)0xfff2)
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#define TADCP (*(unsigned int volatile xdata *)0xfff3)
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#define PWM0T1 (*(unsigned int volatile xdata *)0xff00)
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#define PWM0T2 (*(unsigned int volatile xdata *)0xff02)
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#define PWM0CR (*(unsigned char volatile xdata *)0xff04)
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#define PWM0HLD (*(unsigned char volatile xdata *)0xff05)
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#define PWM1T1 (*(unsigned int volatile xdata *)0xff10)
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#define PWM1T2 (*(unsigned int volatile xdata *)0xff12)
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#define PWM1CR (*(unsigned char volatile xdata *)0xff14)
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#define PWM1HLD (*(unsigned char volatile xdata *)0xff15)
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#define PWM2T1 (*(unsigned int volatile xdata *)0xff20)
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#define PWM2T2 (*(unsigned int volatile xdata *)0xff22)
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#define PWM2CR (*(unsigned char volatile xdata *)0xff24)
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#define PWM2HLD (*(unsigned char volatile xdata *)0xff25)
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#define PWM3T1 (*(unsigned int volatile xdata *)0xff30)
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#define PWM3T2 (*(unsigned int volatile xdata *)0xff32)
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#define PWM3CR (*(unsigned char volatile xdata *)0xff34)
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#define PWM3HLD (*(unsigned char volatile xdata *)0xff35)
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#define PWM4T1 (*(unsigned int volatile xdata *)0xff40)
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#define PWM4T2 (*(unsigned int volatile xdata *)0xff42)
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#define PWM4CR (*(unsigned char volatile xdata *)0xff44)
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#define PWM4HLD (*(unsigned char volatile xdata *)0xff45)
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#define PWM5T1 (*(unsigned int volatile xdata *)0xff50)
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#define PWM5T2 (*(unsigned int volatile xdata *)0xff52)
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#define PWM5CR (*(unsigned char volatile xdata *)0xff54)
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#define PWM5HLD (*(unsigned char volatile xdata *)0xff55)
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#define PWM6T1 (*(unsigned int volatile xdata *)0xff60)
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#define PWM6T2 (*(unsigned int volatile xdata *)0xff62)
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#define PWM6CR (*(unsigned char volatile xdata *)0xff64)
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#define PWM6HLD (*(unsigned char volatile xdata *)0xff65)
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#define PWM7T1 (*(unsigned int volatile xdata *)0xff70)
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#define PWM7T2 (*(unsigned int volatile xdata *)0xff72)
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#define PWM7CR (*(unsigned char volatile xdata *)0xff74)
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#define PWM7HLD (*(unsigned char volatile xdata *)0xff75)
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#define PWM_CONFIG_START P_SW2 = 0x80;
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#define PWM_CONFIG_END P_SW2 = 0x00;
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*/
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void pwm0_change(PWM0_PIN pin)
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{
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switch(pin){
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case PWM0_20:
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PWM0CR = 0x00; //PWM0/P2.0
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break;
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case PWM0_10:
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PWM0CR = 0x08; //PWM0_2/P1.0
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break;
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case PWM0_60:
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PWM0CR = 0x10; //PWM0_3/P6.0
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break;
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default:
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//assert(TRUE==FALSE);
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break;
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}
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}
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void pwm1_change(PWM0_PIN pin)
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{
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switch(pin){
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case PWM1_21:
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PWM1CR = 0x00; //PWM1/P2.1
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break;
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case PWM1_11:
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PWM1CR = 0x08; //PWM1_2/P1.1
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break;
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case PWM1_61:
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PWM1CR = 0x10; //PWM1_3/P6.1
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break;
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default:
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//assert(TRUE==FALSE);
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break;
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}
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}
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void pwm2_change(PWM0_PIN pin)
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{
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switch(pin){
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case PWM2_22:
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PWM2CR = 0x00; //PWM2/P2.2
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break;
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case PWM2_12:
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PWM2CR = 0x08; //PWM2_2/P1.2
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break;
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case PWM2_62:
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PWM2CR = 0x10; //PWM2_3/P6.2
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break;
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default:
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//assert(TRUE==FALSE);
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break;
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}
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}
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void pwm3_change(PWM0_PIN pin)
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{
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switch(pin){
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case PWM3_23:
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PWM3CR = 0x00; //PWM3/P2.3
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break;
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case PWM3_13:
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PWM3CR = 0x08; //PWM3_2/P1.3
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break;
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case PWM3_63:
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PWM3CR = 0x10; //PWM3_3/P6.3
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break;
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default:
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//assert(TRUE==FALSE);
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break;
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}
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}
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void pwm4_change(PWM0_PIN pin)
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{
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switch(pin){
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case PWM4_24:
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PWM4CR = 0x00; //PWM4/P2.4
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break;
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case PWM4_14:
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PWM4CR = 0x08; //PWM4_2/P1.4
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break;
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case PWM4_64:
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PWM4CR = 0x10; //PWM4_3/P6.4
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break;
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default:
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//assert(TRUE==FALSE);
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break;
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}
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}
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void pwm5_change(PWM0_PIN pin)
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{
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switch(pin){
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case PWM5_25:
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PWM5CR = 0x00; //PWM5/P2.5
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break;
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case PWM5_15:
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PWM5CR = 0x08; //PWM5_2/P1.5
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break;
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case PWM5_65:
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PWM5CR = 0x10; //PWM5_3/P6.5
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break;
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default:
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//assert(TRUE==FALSE);
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break;
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}
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}
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void pwm6_change(PWM0_PIN pin)
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{
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switch(pin){
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case PWM6_26:
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PWM6CR = 0x00; //PWM6/P2.6
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break;
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case PWM6_16:
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PWM6CR = 0x08; //PWM6_2/P1.6
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break;
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case PWM6_66:
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PWM6CR = 0x10; //PWM6_3/P6.6
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break;
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default:
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//assert(TRUE==FALSE);
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break;
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}
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}
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void pwm7_change(PWM0_PIN pin)
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{
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switch(pin){
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case PWM7_27:
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PWM7CR = 0x00; //PWM7/P2.7
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break;
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case PWM7_17:
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PWM7CR = 0x08; //PWM7_2/P1.7
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break;
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case PWM7_67:
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PWM7CR = 0x10; //PWM7_3/P6.7
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break;
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default:
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//assert(TRUE==FALSE);
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break;
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}
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}
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//n的范围0-15
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void pwm_set_clk_div(U8 n)
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{
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if(n<0 || n>15)
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n = 15;
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PWMCKS = n + 1;
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}
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void pwm_set_val(U16 val_H,U16 val_L)
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{
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PWMC = val_H + val_L;
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}
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void L1_pwm0_init(void) //PWM0/P2.0
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{
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P_SW2 |= 0x80; //千万用|哇，直接=0x80，会把串口4干掉
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PWMCKS = 0x00; // PWM时钟为系统时钟/1
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PWMC = 291; //设置PWM周期为18个PWM时钟
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PWM0CR = 0x00 ; //并且选择为p2.0
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PWM0T1 = 0; //0开始输出低电平
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PWM0T2 = 146; //8开始输出高电平
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P_SW2 &= ~(0x80);
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D_P20_OFF();
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D_IO_normal_P2(0);
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}
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void L1_P20_init(void) //PWM0/P2.0
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{
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P_SW2 |= 0x80;
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BITN_0(PWM0CR, BITN7);//设置关闭PWM0，并且释放p2.0
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P_SW2 &= ~(0x80);
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D_P20_ON();
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D_IO_HighOut_P2(0);
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}
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void L1_pwm1_init(void) //PWM0/P2.0
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{
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P_SW2 |= 0x80; //千万用|哇，直接=0x80，会把串口4干掉
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PWMCKS = 0x00; // PWM时钟为系统时钟/1
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PWMC = 291; //设置PWM周期为18个PWM时钟
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PWM1CR = 0x00 ; //并且选择为p2.0
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///PWM1CR = 0x00 | 0x80; 设置开启PWM0，
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PWM1T1 = 0; //0开始输出低电平
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PWM1T2 = 146; //8开始输出高电平
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P_SW2 &= ~(0x80);
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}
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/*******************
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void L1_pwm_on(U8 ch,U8 onf)
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{
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P_SW2 |= 0x80; //千万用|哇，直接=0x80，会把串口4干掉
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PWMCKS = 0x00; // PWM时钟为系统时钟/1
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PWMC = 291; //设置PWM周期为18个PWM时钟
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P_SW2 &= ~(0x80);
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switch(ch)
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{
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case 0:
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$end$
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break;
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}
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P_SW2 &= ~(0x80);
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PWMCR |= 0x80; //启动PWM模块
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}
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**********/
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void L1_pwm_on(void)
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{
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PWMCR |= 0x80; //启动PWM模块
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}
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void L1_pwm_off(void)
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{
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PWMCR &= ~(0x80); //关闭PWM模块
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}
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