PWM.zip_LPC2132接LCD程序_keil lpc2138_lpc2138keil开发

; generated by ARM/Thumb C/C++ Compiler with , RVCT3.1 [Build 919] for uVision ; commandline ArmCC [--debug -c --asm --interleave -omain.o --depend=main.d --device=DARMP --apcs=interwork -O0 -IC:\Keil\ARM\INC\Philips --omf_browse=main.crf main.C] ARM AREA ||.text||, CODE, READONLY, ALIGN=2 WaitKey PROC ;;;9 ;;;10 while(1) 000000 ea00000f B |L1.68| |L1.4| ;;;11 { while( (IO0PIN&KEY1)!=0 ); // 等待KEY1键按下 000004 e1a00000 MOV r0,r0 |L1.8| 000008 e59f10ec LDR r1,|L1.252| 00000c e5911000 LDR r1,[r1,#0] 000010 e3110601 TST r1,#0x100000 000014 1afffffb BNE |L1.8| ;;;12 for(i=0; i<50000; i++); // 延时去抖 000018 e3a00000 MOV r0,#0 00001c ea000000 B |L1.36| |L1.32| 000020 e2800001 ADD r0,r0,#1 |L1.36| 000024 e59f10d4 LDR r1,|L1.256| 000028 e1500001 CMP r0,r1 00002c 3afffffb BCC |L1.32| ;;;13 if( (IO0PIN&KEY1)==0 ) break; 000030 e59f10c4 LDR r1,|L1.252| 000034 e5911000 LDR r1,[r1,#0] 000038 e3110601 TST r1,#0x100000 00003c 1a000000 BNE |L1.68| 000040 ea000000 B |L1.72| |L1.68| 000044 eaffffee B |L1.4| |L1.72| 000048 e1a00000 MOV r0,r0 ;;;14 } ;;;15 ;;;16 while( (IO0PIN&KEY1)==0 ); // 等待KEY1键放开 00004c e1a00000 MOV r0,r0 |L1.80| 000050 e59f10a4 LDR r1,|L1.252| 000054 e5911000 LDR r1,[r1,#0] 000058 e3110601 TST r1,#0x100000 00005c 0afffffb BEQ |L1.80| ;;;17 } 000060 e12fff1e BX lr ;;;18 /**************************************************************************** ENDP PWM_Init PROC ;;;25 { ;;;26 PWMPR = 0x00; // 不分频，计数频率为Fpclk 000064 e3a00000 MOV r0,#0 000068 e59f1094 LDR r1,|L1.260| 00006c e581000c STR r0,[r1,#0xc] ;;;27 PWMMCR = 0x02; // 设置PWMMR0匹配时复位PWMTC 000070 e3a00002 MOV r0,#2 000074 e5810014 STR r0,[r1,#0x14] ;;;28 PWMMR0 = 3000; // 设置PWM周期，PWMMR0=2765 000078 e59f0088 LDR r0,|L1.264| 00007c e5810018 STR r0,[r1,#0x18] ;;;29 PWMMR2 = 1500; // 设置PWM占空比，PWMMR6=1382 000080 e1a000c0 ASR r0,r0,#1 000084 e5810020 STR r0,[r1,#0x20] ;;;30 PWMLER = 0x05; // PWMMR0、PWMMR2锁存 //0x41 /0x05 000088 e3a00005 MOV r0,#5 00008c e5810050 STR r0,[r1,#0x50] ;;;31 PWMPCR = 0X0400; // 允许PWM2输出，单边PWM //0x40000 /0x0400 000090 e3a00b01 MOV r0,#0x400 000094 e581004c STR r0,[r1,#0x4c] ;;;32 PWMTCR = 0x09; // 启动定时器，PWM使能 000098 e3a00009 MOV r0,#9 00009c e5810004 STR r0,[r1,#4] ;;;33 } 0000a0 e12fff1e BX lr ;;;34 /********************************************************************/ ENDP main PROC ;;;45 int main(void) ;;;46 { 0000a4 e52de004 PUSH {lr} ;;;47 //TargetResetInit(); ;;;48 uint32 pwmdata; // PWM占空比控制变量 ;;;49 ;;;50 PINSEL0 = 0x00008000; // 设置PWM2连接到P0.7管脚 0000a8 e3a00902 MOV r0,#0x8000 0000ac e59f1058 LDR r1,|L1.268| 0000b0 e5810000 STR r0,[r1,#0] ;;;51 PINSEL1 = 0x00000000; // 其它管脚设置为GPIO 0000b4 e3a00000 MOV r0,#0 0000b8 e5810004 STR r0,[r1,#4] ;;;52 ;;;53 PWM_Init(); // PWM初始化 0000bc ebfffffe BL PWM_Init ;;;54 ;;;55 pwmdata = DUTY_CYCLE_DATA; 0000c0 e3a02064 MOV r2,#0x64 ;;;56 while(1) 0000c4 ea00000b B |L1.248| |L1.200| ;;;57 { ;;;58 PWMMR0 = CYCLE_DATA; // 设置PWM周期，PWMMR0=CYCLE_DATA 0000c8 e3a00e7d MOV r0,#0x7d0 0000cc e59f1030 LDR r1,|L1.260| 0000d0 e5810018 STR r0,[r1,#0x18] ;;;59 PWMMR2 = pwmdata; // 设置PWM占空比，PWMMR6=pwmdata 0000d4 e1c10000 BIC r0,r1,r0 0000d8 e5802020 STR r2,[r0,#0x20] ;;;60 PWMLER = 0x05; // PWMMR0、PWMMR2锁存，更新PWM占空比/0x41 0x05 0000dc e3a00005 MOV r0,#5 0000e0 e5810050 STR r0,[r1,#0x50] ;;;61 //while(1); ;;;62 WaitKey(); 0000e4 ebfffffe BL WaitKey ;;;63 pwmdata += 400; 0000e8 e2822e19 ADD r2,r2,#0x190 ;;;64 if(pwmdata>CYCLE_DATA) pwmdata=0; 0000ec e3520e7d CMP r2,#0x7d0 0000f0 9a000000 BLS |L1.248| 0000f4 e3a02000 MOV r2,#0 |L1.248| 0000f8 eafffff2 B |L1.200| ;;;65 ;;;66 ;;;67 } ;;;68 } ENDP |L1.252| 0000fc e0028000 DCD 0xe0028000 |L1.256| 000100 0000c350 DCD 0x0000c350 |L1.260| 000104 e0014000 DCD 0xe0014000 |L1.264| 000108 00000bb8 DCD 0x00000bb8 |L1.268| 00010c e002c000 DCD 0xe002c000 __ARM_use_no_argv EQU 0