LYL.zip_CodeWarrior_h桥_mos管驱动程序_推杆_推杆电机

#include "SKEAZ1284.h" #include "i2c.h"; #include "cpuCore.h" void i2c_class::init(void) { sclk.message=0; sclk.event=0; sclk.state=0; sclk.count_h=200; sclk.count_l=180; sda.message=0; sda.event=0; sda.state=0; sda.count_h=200; sda.count_l=180; sda_in.message=0; sda_in.event=0; sda_in.state=0; sda_in.count=140; start.message=0; start.event=0; start.state=0; stop.message=0; stop.event=0; stop.state=0; noack.message=0; noack.event=0; noack.state=0; ack.message=0; ack.event=0; ack.state=0; read.message=0; read.event=0; read.state=0; write.message=0; write.event=0; write.state=0; mode_time=0; init_p(); } void i2c_class::write_time(void) { if(mode_time==0) { sclk.count_h=200; sclk.count_l=180; sda.count_h=200; sda.count_l=180; sda_in.count=140; } else { sclk.count_h=60; sclk.count_l=40; sda.count_h=60; sda.count_l=40; sda_in.count=60; } } void i2c_class::init_p(void) { switch(cpu_mode) { case 0: GPIOA_PDDR=GPIOA_PDDR&0xFFFFFFFB; //SDA 0 1011 输入 PTA2 PORT_PUE0=PORT_PUE0|0X00000004; // GPIOA_PIDR=GPIOA_PIDR&0xFFFFFFFB; GPIOA_PDDR=GPIOA_PDDR|0x04000000;//SCL=1 PTd2 PORT_PUE0=PORT_PUE0|0X04000000; break; case 1: GPIOA_PDDR=GPIOA_PDDR&0xFFFFFFF7; //SDA 0 1011 输入 PTA3 PORT_PUE0=PORT_PUE0|0X00000008; // GPIOA_PIDR=GPIOA_PIDR&0xFFFFFFF7; GPIOA_PDDR=GPIOA_PDDR|0x08000000;//SCL=1 PTd3 PORT_PUE0=PORT_PUE0|0X08000000; break; case 2: //24c512 GPIOA_PDDR=GPIOA_PDDR&0xFFFFFBFF; //SDA 0 1011 输入 PTB2 PORT_PUE0=PORT_PUE0|0X00000400; // GPIOA_PIDR=GPIOA_PIDR&0xFFFFFBFF; GPIOA_PDDR=GPIOA_PDDR|0x00000800;//SCL=1 PTB3 PORT_PUE0=PORT_PUE0|0X00000800; break; } } //------------------------------------- void i2c_class::switch_sda_in(void) { switch(cpu_mode) { case 0: GPIOA_PDDR=GPIOA_PDDR&0xFFFFFFFB; //8700 PTA2 break; case 1: GPIOA_PDDR=GPIOA_PDDR&0xFFFFFFF7; //2100 PTA3 break; case 2: GPIOA_PDDR=GPIOA_PDDR&0XFFFFFBFF; //24c512 PTB2 break; } } void i2c_class::switch_sda_out(void) { switch(cpu_mode) { case 0: GPIOA_PDDR=GPIOA_PDDR|0X00000004; //8700 PTA2 break; case 1: GPIOA_PDDR=GPIOA_PDDR|0X00000008; //2100 PTA3 break; case 2: GPIOA_PDDR=GPIOA_PDDR|0X00000400; //24c512 PTB2 break; } } void i2c_class::I2C_SCLK(unsigned char c) { unsigned char cc; switch(sclk.state) { case 0: if(sclk.message==0xff) { read_shijian(); sclk.time_f=jizhu_shijian; sclk.time_s=shijian; if(c==0) { switch(cpu_mode) { case 0: GPIOA_PDOR=GPIOA_PDOR|0X04000000; //8700 PTd2 break; case 1: GPIOA_PDOR=GPIOA_PDOR|0X08000000; //2100 PTd3 break; case 2: GPIOA_PDOR=GPIOA_PDOR&0XFFFFF7FF;; //24c512 PTB3 break; } sclk.count=sclk.count_l; } else { switch(cpu_mode) { case 0: GPIOA_PDOR=GPIOA_PDOR&0XFBFFFFFF; //8700 PTD2 break; case 1: GPIOA_PDOR=GPIOA_PDOR&0XF7FFFFFF; //2100 PTD3 break; case 2: GPIOA_PDOR=GPIOA_PDOR|0X00000800; //24c512 PTB3 break; } sclk.count=sclk.count_h; } sclk.state=1; } break; case 1: cc=paiduan_shijian(sclk.time_f,sclk.time_s,sclk.count); if(cc==0xff) { sclk.event=0xff; sclk.state=0xff; } break; case 0xff: if(sclk.event==0x0) { sclk.state=0; sclk.message=0; } break; } } void i2c_class::I2C_DATA_IN(void) { unsigned int cc; switch(sda_in.state) { case 0: if(sda_in.message==0xff) { switch_sda_in(); read_shijian(); sda_in.time_f=jizhu_shijian; sda_in.time_s=shijian; sda_in.state=1; } break; case 1: cc=paiduan_shijian(sda_in.time_f,sda_in.time_s,sda_in.count); if(cc==0xff) { sda_in.event=0xff; sda_in.state=0xff; cc=GPIOA_PDIR; //c=PTM; switch(cpu_mode) { case 0: cc=cc&0x04; //8700 PTA2 break; case 1: cc=cc&0x08; //2100 PTA3 break; case 2: cc=cc&0x40; //24c512 PTB2 break; } if(cc!=0x00) { cc=0xff; } else { cc=0; } sda_in_c=cc; } break; case 0xff: if(sda_in.event==0x0) { sda_in.state=0; sda_in.message=0; } break; } } void i2c_class::I2C_DATA_OUT(unsigned char c) { unsigned char cc; switch(sda.state) { case 0: if(sda.message==0xff) { switch_sda_out(); read_shijian(); sda.time_f=jizhu_shijian; sda.time_s=shijian; if(c==0) { switch(cpu_mode) { case 0: GPIOA_PDOR=GPIOA_PDOR&0XFFFFFFFB; //8700 PTA2 break; case 1: GPIOA_PDOR=GPIOA_PDOR&0XFFFFFFF7; //2100 PTA3 break; case 2: GPIOA_PDOR=GPIOA_PDOR&0Xfffffbff; //24c512 PTB2 break; } sda.count=sda.count_l; } else { switch(cpu_mode)