| | |
| | | io_pin_mux_set(SCL_PIN, IO_FUNC0); |
| | | |
| | | gpio_pin_set_dir(SDA_PIN , GPIO_DIR_OUT, 1); |
| | | //io_open_drain_set(SDA_PIN, 1); |
| | | //io_open_drain_set(SDA_PIN, 1); |
| | | io_pull_set(SDA_PIN , IO_PULL_UP, IO_PULL_UP_LEVEL2);//输出高阻态 |
| | | |
| | | gpio_pin_set_dir(SCL_PIN , GPIO_DIR_OUT, 1); |
| | |
| | | // delay_us(10); |
| | | // SDA_0;//START:when CLK is high,DATA change form high to low |
| | | // delay_us(10); |
| | | |
| | | // IIC2_SDA_OUT(); //sda线输出 |
| | | |
| | | // IIC2_SDA_OUT(); //sda线输出 |
| | | SDA_1; |
| | | // delay_us(10); |
| | | SCL_1; |
| | |
| | | } |
| | | void IIC_pca_Ready(void) |
| | | { |
| | | |
| | | SCL_1; |
| | | delay_us(10); |
| | | SDA_1; |
| | | delay_us(10); |
| | | |
| | | SCL_1; |
| | | delay_us(10); |
| | | SDA_1; |
| | | delay_us(10); |
| | | } |
| | | //产生IIC停止信号 |
| | | void IIC2_pca_Stop(void) |
| | | { |
| | | |
| | | // SDA_0;//STOP:when CLK is high DATA change form low to high |
| | | // |
| | | // |
| | | // delay_us(10); |
| | | // SCL_1; |
| | | // delay_us(10); |
| | | // SDA_1;//发送I2C总线结束信号 |
| | | // delay_us(10); |
| | | |
| | | SCL_0; |
| | | SDA_0;//sToP:when ClK is high DATA change form low to high |
| | | delay_us(10); |
| | | SCL_1; |
| | | //delay_us(10); |
| | | SDA_1;//7发送I2C总线结束信号 |
| | | delay_us(10); |
| | | |
| | | SCL_0; |
| | | SDA_0;//sToP:when ClK is high DATA change form low to high |
| | | delay_us(10); |
| | | SCL_1; |
| | | //delay_us(10); |
| | | SDA_1;//7发送I2C总线结束信号 |
| | | delay_us(10); |
| | | } |
| | | //等待应答信号到来 |
| | | //返回值:1,接收应答失败 |
| | |
| | | uint8_t IIC2_Wait_pca_Ack(void) |
| | | { |
| | | uint8_t ucErrTime=0; |
| | | // IIC2_SDA_IN(); |
| | | |
| | | gpio_pin_set_dir(SDA_PIN,GPIO_DIR_IN,1); //SDA设置为输入等待接收端的应答信号 |
| | | SDA_1; |
| | | delay_us(6); |
| | | SCL_1; |
| | | delay_us(6); |
| | | // IIC2_SDA_IN(); |
| | | |
| | | gpio_pin_set_dir(SDA_PIN,GPIO_DIR_IN,1); //SDA设置为输入等待接收端的应答信号 |
| | | SDA_1; |
| | | delay_us(6); |
| | | SCL_1; |
| | | delay_us(6); |
| | | // SDA_1; |
| | | // delay_us(6); |
| | | |
| | | |
| | | |
| | | while(IIC2_READ_SDA) |
| | | { |
| | |
| | | if(ucErrTime>250) |
| | | { |
| | | IIC2_pca_Stop(); |
| | | gpio_pin_set_dir(SDA_PIN , GPIO_DIR_OUT, 1); |
| | | gpio_pin_set_dir(SDA_PIN , GPIO_DIR_OUT, 1); |
| | | return 1; |
| | | } |
| | | } |
| | | gpio_pin_set_dir(SDA_PIN , GPIO_DIR_OUT, 0); |
| | | SCL_0;//时钟输出0 |
| | | return 0; |
| | | |
| | | |
| | | } |
| | | //产生ACK应答 |
| | | void IIC2_pca_send_Ack(void) |
| | |
| | | SDA_0;//读取SDA电平为低则有应答 |
| | | delay_us(10); |
| | | SCL_1; |
| | | delay_us(10); |
| | | SCL_0; |
| | | delay_us(10); |
| | | SCL_0; |
| | | } |
| | | //不产生ACK应答 |
| | | void IIC2_pca_send_NAck(void) |
| | |
| | | SDA_1;//读取SDA电平为高则无应答信号 |
| | | delay_us(10); |
| | | SCL_1; |
| | | delay_us(10); |
| | | SCL_0; |
| | | delay_us(10); |
| | | SCL_0; |
| | | } |
| | | //IIC发送一个字节,WRITE |
| | | //返回从机有无应答 |
| | |
| | | uint8_t IIC2_Read_pca_Byte(unsigned char ack) |
| | | { |
| | | unsigned char i,receive=0,bit=0; |
| | | gpio_pin_set_dir(SDA_PIN,GPIO_DIR_IN,0); //设置为输入读取电平 |
| | | gpio_pin_set_dir(SDA_PIN,GPIO_DIR_IN,0); //设置为输入读取电平 |
| | | // io_pull_set(SDA_PIN , IO_HIGH_Z, IO_PULL_UP_NONE); |
| | | for(i=0; i<8; i++ ) |
| | | { |
| | |
| | | delay_us(6);//修改时间 |
| | | SCL_1; |
| | | //receive<<=1; |
| | | if(IIC2_READ_SDA){ |
| | | bit=1<<i; |
| | | receive|=bit; |
| | | } |
| | | if(IIC2_READ_SDA) { |
| | | bit=1<<i; |
| | | receive|=bit; |
| | | } |
| | | delay_us(5); |
| | | } |
| | | SCL_0; |
| | | if(ack==2){ |
| | | gpio_pin_set_dir(SDA_PIN,GPIO_DIR_OUT,0); //设置为输出恢复ACK |
| | | }else{ |
| | | gpio_pin_set_dir(SDA_PIN,GPIO_DIR_OUT,1); //设置为输出恢复ACK |
| | | } |
| | | |
| | | SCL_0; |
| | | if(ack==2) { |
| | | gpio_pin_set_dir(SDA_PIN,GPIO_DIR_OUT,0); //设置为输出恢复ACK |
| | | } else { |
| | | gpio_pin_set_dir(SDA_PIN,GPIO_DIR_OUT,1); //设置为输出恢复ACK |
| | | } |
| | | |
| | | // io_pull_set(SDA_PIN , IO_PULL_UP, IO_PULL_UP_LEVEL2);//输出高阻态 |
| | | // if (!ack) |
| | | // IIC2_pca_send_NAck();//发送nACK |
| | |
| | | int temp_ack3,temp_ack4,temp_ack5,temp_ack6; |
| | | void IIC_Write_Pca9555(unsigned char addr,unsigned char reg_addr,unsigned char low_byte,unsigned char high_byte) |
| | | { |
| | | IIC2_pca_Start(); |
| | | IIC2_Send_pca_Byte(addr & 0xfe); |
| | | temp_ack3=IIC2_Wait_pca_Ack(); |
| | | IIC2_Send_pca_Byte(reg_addr); |
| | | temp_ack4=IIC2_Wait_pca_Ack(); |
| | | IIC2_Send_pca_Byte(low_byte); |
| | | temp_ack5=IIC2_Wait_pca_Ack(); |
| | | IIC2_Send_pca_Byte(high_byte); |
| | | temp_ack6=IIC2_Wait_pca_Ack(); |
| | | IIC2_pca_Stop(); |
| | | |
| | | IIC2_pca_Start(); |
| | | IIC2_Send_pca_Byte(addr & 0xfe); |
| | | temp_ack3=IIC2_Wait_pca_Ack(); |
| | | IIC2_Send_pca_Byte(reg_addr); |
| | | temp_ack4=IIC2_Wait_pca_Ack(); |
| | | IIC2_Send_pca_Byte(low_byte); |
| | | temp_ack5=IIC2_Wait_pca_Ack(); |
| | | IIC2_Send_pca_Byte(high_byte); |
| | | temp_ack6=IIC2_Wait_pca_Ack(); |
| | | IIC2_pca_Stop(); |
| | | |
| | | // IIC2_Start(); |
| | | // IIC2_Send_Byte(addr & 0xfe); //发送写命令 |
| | | // temp_ack3=IIC2_Wait_pca_Ack(); |
| | |
| | | // IIC2_Stop();//产生一个停止条件 |
| | | */ |
| | | int temp_ack,temp_ack1,temp_ack2; |
| | | uint8_t temp=0; |
| | | uint8_t temp=0; |
| | | void IIC_Read_Pca9555(uint8_t addr,uint8_t reg_addr,uint8_t* pBuffer,uint16_t num) |
| | | { |
| | | IIC2_pca_Start(); |
| | | IIC2_Send_pca_Byte(addr & 0xfe); |
| | | temp_ack=IIC2_Wait_pca_Ack(); |
| | | IIC2_Send_pca_Byte(reg_addr); |
| | | temp_ack1=IIC2_Wait_pca_Ack(); |
| | | IIC2_pca_Start(); |
| | | IIC2_Send_pca_Byte(addr & 0xfe); |
| | | temp_ack=IIC2_Wait_pca_Ack(); |
| | | IIC2_Send_pca_Byte(reg_addr); |
| | | temp_ack1=IIC2_Wait_pca_Ack(); |
| | | |
| | | IIC2_pca_Start(); |
| | | IIC2_Send_pca_Byte(addr | 0x01); |
| | | temp_ack2=IIC2_Wait_pca_Ack(); |
| | | |
| | | IIC2_pca_Start(); |
| | | IIC2_Send_pca_Byte(addr | 0x01); |
| | | temp_ack2=IIC2_Wait_pca_Ack(); |
| | | |
| | | // if(num==2){ |
| | | // pBuffer[0]=IIC2_Read_Byte(1); |
| | | // pBuffer[1]=IIC2_Read_Byte(0); |
| | | // }else{ |
| | | // pBuffer[0]=IIC2_Read_Byte(0); |
| | | // } |
| | | |
| | | while (num) |
| | | { |
| | | *pBuffer = IIC2_Read_pca_Byte(num); |
| | | if (num == 1) |
| | | { |
| | | IIC2_pca_send_NAck(); |
| | | //IIC2_NAck(); |
| | | } |
| | | else |
| | | { |
| | | IIC2_pca_send_Ack(); |
| | | //IIC2_Ack(); |
| | | } |
| | | pBuffer++; |
| | | num--; |
| | | } |
| | | IIC2_pca_Stop(); |
| | | |
| | | |
| | | while (num) |
| | | { |
| | | *pBuffer = IIC2_Read_pca_Byte(num); |
| | | if (num == 1) |
| | | { |
| | | IIC2_pca_send_NAck(); |
| | | //IIC2_NAck(); |
| | | } |
| | | else |
| | | { |
| | | IIC2_pca_send_Ack(); |
| | | //IIC2_Ack(); |
| | | } |
| | | pBuffer++; |
| | | num--; |
| | | } |
| | | IIC2_pca_Stop(); |
| | | |
| | | |
| | | // IIC2_Start(); |
| | | // IIC2_Send_Byte(addr & 0xfe); //发送写命令 |
| | | // IIC2_Wait_pca_Ack(); |
| | |
| | | data_H 写入芯片的前后位数据 |
| | | */ |
| | | void PCA9555_write_output_port_data(unsigned char addr,unsigned char data_L,unsigned char data_H) |
| | | { |
| | | IIC_Write_Pca9555(addr,PCA9555_REG_OUT0,data_L,data_H);// PCA9555_REG_OUT0 输出寄存器0地址 |
| | | pca9555writedata_output[0]= data_L;//保存该次设置数据 |
| | | pca9555writedata_output[1]= data_H; |
| | | { |
| | | IIC_Write_Pca9555(addr,PCA9555_REG_OUT0,data_L,data_H);// PCA9555_REG_OUT0 输出寄存器0地址 |
| | | pca9555writedata_output[0]= data_L;//保存该次设置数据 |
| | | pca9555writedata_output[1]= data_H; |
| | | } |
| | | |
| | | /*写pca9555第二层驱动,可辅助逻辑不破坏最底层驱动,该函数默认配置输出寄存器 |
| | |
| | | data_H 写入芯片的前后位数据 |
| | | */ |
| | | void PCA9555_write_config_port_data(unsigned char addr,unsigned char data_L,unsigned char data_H) |
| | | { |
| | | IIC_Write_Pca9555(addr,PCA9555_REG_CFG0,data_L,data_H);// PCA9555_REG_OUT0 输出寄存器0地址 |
| | | pca9555writedata_config[0]= data_L;//保存该次设置数据 |
| | | pca9555writedata_config[1]= data_H; |
| | | { |
| | | IIC_Write_Pca9555(addr,PCA9555_REG_CFG0,data_L,data_H);// PCA9555_REG_OUT0 输出寄存器0地址 |
| | | pca9555writedata_config[0]= data_L;//保存该次设置数据 |
| | | pca9555writedata_config[1]= data_H; |
| | | } |
| | | /*写pca9555第二层驱动,可辅助逻辑不破坏最底层驱动,该函数默认配置输入极性翻转寄存器 1翻转 2不变 |
| | | addr 芯片地址,0x40表示第一个芯片地址 |
| | |
| | | data_H 写入芯片的前后位数据 |
| | | */ |
| | | void PCA9555_write_polarity_port_data(unsigned char addr,unsigned char data_L,unsigned char data_H) |
| | | { |
| | | IIC_Write_Pca9555(addr,PCA9555_REG_POL0,data_L,data_H);// PCA9555_REG_OUT0 输出寄存器0地址 |
| | | pca9555writedata_polarity[0]= data_L;//保存该次设置数据 |
| | | pca9555writedata_polarity[1]= data_H; |
| | | { |
| | | IIC_Write_Pca9555(addr,PCA9555_REG_POL0,data_L,data_H);// PCA9555_REG_OUT0 输出寄存器0地址 |
| | | pca9555writedata_polarity[0]= data_L;//保存该次设置数据 |
| | | pca9555writedata_polarity[1]= data_H; |
| | | } |
| | | |
| | | /*读pca9555第二层驱动,可辅助逻辑不破坏最底层驱动 |
| | |
| | | */ |
| | | void PCA9555_readdata(unsigned char addr,unsigned char* pBuffer) |
| | | { |
| | | IIC_Read_Pca9555(addr,PCA9555_REG_IN0,pBuffer,2);//2为读出芯片数据组数,9555为2组,全部读出 |
| | | IIC_Read_Pca9555(addr,PCA9555_REG_IN0,pBuffer,2);//2为读出芯片数据组数,9555为2组,全部读出 |
| | | } |
| | | /*读pca9555第二层驱动,可辅助逻辑不破坏最底层驱动 |
| | | addr 芯片地址,0x40表示第一个芯片地址 |
| | |
| | | */ |
| | | void PCA9555_readdata_from_output_register(unsigned char addr,unsigned char* pBuffer) |
| | | { |
| | | IIC_Read_Pca9555(addr,PCA9555_REG_OUT0,pBuffer,2);//2为读出芯片数据组数,9555为2组,全部读出 |
| | | IIC_Read_Pca9555(addr,PCA9555_REG_OUT0,pBuffer,2);//2为读出芯片数据组数,9555为2组,全部读出 |
| | | } |
| | | /*读pca9555第二层驱动,可辅助逻辑不破坏最底层驱动 |
| | | addr 芯片地址,0x40表示第一个芯片地址 |
| | |
| | | */ |
| | | void PCA9555_readdata_from_polarity_register(unsigned char addr,unsigned char* pBuffer) |
| | | { |
| | | IIC_Read_Pca9555(addr,PCA9555_REG_POL0,pBuffer,2);//2为读出芯片数据组数,9555为2组,全部读出 |
| | | IIC_Read_Pca9555(addr,PCA9555_REG_POL0,pBuffer,2);//2为读出芯片数据组数,9555为2组,全部读出 |
| | | } |
| | | /*读pca9555第二层驱动,可辅助逻辑不破坏最底层驱动 |
| | | addr 芯片地址,0x40表示第一个芯片地址 |
| | |
| | | */ |
| | | void PCA9555_readdata_from_config_register(unsigned char addr,unsigned char* pBuffer) |
| | | { |
| | | IIC_Read_Pca9555(addr,PCA9555_REG_CFG0,pBuffer,2);//2为读出芯片数据组数,9555为2组,全部读出 |
| | | IIC_Read_Pca9555(addr,PCA9555_REG_CFG0,pBuffer,2);//2为读出芯片数据组数,9555为2组,全部读出 |
| | | } |
| | | ///*配置芯片的对应管脚输入输出功能 |
| | | // addr 芯片地址,0x40表示第一个芯片地址 |
| | |
| | | // data_H 写入芯片的前后位数据 |
| | | //*/ |
| | | //void PCA9555_config_gpio(unsigned char addr,unsigned char data_L,unsigned char data_H) |
| | | //{ |
| | | // IIC_Write_Pca9555(addr,PCA9555_REG_CFG0,data_L,data_H);// PCA9555_REG_OUT0 输出寄存器0地址 |
| | | //{ |
| | | // IIC_Write_Pca9555(addr,PCA9555_REG_CFG0,data_L,data_H);// PCA9555_REG_OUT0 输出寄存器0地址 |
| | | //} |
| | | |
| | | |
| | |
| | | */ |
| | | void PCA9555_Set_All_Output(unsigned char value) |
| | | { |
| | | int i; |
| | | for(i=0;i<4;i++){ |
| | | if(value==0) |
| | | pca9555writedata_output[i]=0; |
| | | else |
| | | pca9555writedata_output[i]=0xff; |
| | | } |
| | | PCA9555_write_output_port_data(PCA9555_DEVICE_ADDR,pca9555writedata_output[0],pca9555writedata_output[1]);//全部输出为1或0 |
| | | //多芯片 |
| | | //PCA9555_writedata(PCA9555_REG_OUT0,pca9555writedata[2],pca9555writedata[3]); |
| | | int i; |
| | | for(i=0; i<4; i++) { |
| | | if(value==0) |
| | | pca9555writedata_output[i]=0; |
| | | else |
| | | pca9555writedata_output[i]=0xff; |
| | | } |
| | | PCA9555_write_output_port_data(PCA9555_DEVICE_ADDR,pca9555writedata_output[0],pca9555writedata_output[1]);//全部输出为1或0 |
| | | //多芯片 |
| | | //PCA9555_writedata(PCA9555_REG_OUT0,pca9555writedata[2],pca9555writedata[3]); |
| | | } |
| | | /*设置第一个芯片某一通道IO高低输出仅限输出 |
| | | num 控制的IO序号 1~16 |
| | |
| | | */ |
| | | void PCA9555_Set_One_Value_Output(unsigned char num,unsigned char value) |
| | | { |
| | | if(num >0 && num <17){//第一个芯片IO1-16控制 |
| | | if(num <9){ |
| | | if(value)pca9555writedata_output[0] |= 0x01<<(num - 1);//赋值位高 |
| | | else pca9555writedata_output[0] &= ~(0x01<<(num - 1));//赋值位低 |
| | | } |
| | | else{ |
| | | if(value)pca9555writedata_output[1] |= 0x01<<(num - 9);//赋值位高 |
| | | else pca9555writedata_output[1] &= ~(0x01<<(num - 9));//赋值位低 |
| | | } |
| | | PCA9555_write_output_port_data(PCA9555_DEVICE_ADDR,pca9555writedata_output[0],pca9555writedata_output[1]); |
| | | }else{//超出芯片控制 |
| | | //error |
| | | } |
| | | //底下为多芯片逻辑 |
| | | if(num >0 && num <17) { //第一个芯片IO1-16控制 |
| | | if(num <9) { |
| | | if(value)pca9555writedata_output[0] |= 0x01<<(num - 1);//赋值位高 |
| | | else pca9555writedata_output[0] &= ~(0x01<<(num - 1));//赋值位低 |
| | | } |
| | | else { |
| | | if(value)pca9555writedata_output[1] |= 0x01<<(num - 9);//赋值位高 |
| | | else pca9555writedata_output[1] &= ~(0x01<<(num - 9));//赋值位低 |
| | | } |
| | | PCA9555_write_output_port_data(PCA9555_DEVICE_ADDR,pca9555writedata_output[0],pca9555writedata_output[1]); |
| | | } else { //超出芯片控制 |
| | | //error |
| | | } |
| | | //底下为多芯片逻辑 |
| | | // else if(num >16 && num <33){//第二个芯片IO1-16控制,使用更多IO以此类推,最多支持0x000~0x111 共8个芯片串联,共128个IO,如果不够可以使用PCA9505,40个IO,最多串联320个IO |
| | | // if(num <25){ |
| | | // if(value)pca9555writedata[2] |= 0x01<<(num - 17);//赋值位高 |
| | |
| | | // else{ |
| | | // if(value)pca9555writedata[3] |= 0x01<<(num - 25);//赋值位高 |
| | | // else pca9555writedata[3] &= ~(0x01<<(num - 25));//赋值位低 |
| | | // } |
| | | // } |
| | | // PCA9555_writedata(PCA9555_REG_OUT1,pca9555writedata[2],pca9555writedata[3]); |
| | | // } |
| | | // else{//超出芯片控制 |
| | |
| | | num 控制的IO序号 1~17 |
| | | value 控制的IO输出状态 0:输出 1:输入 |
| | | */ |
| | | void PCA9555_Set_One_Value_Config(unsigned char num,unsigned char value) |
| | | void PCA9555_Set_One_Value_Config(unsigned char num,unsigned char value) |
| | | { |
| | | |
| | | if(num >0 && num <17){//第一个芯片IO1-16控制 |
| | | if(num <9){ |
| | | if(value)pca9555writedata_config[0] |= 0x01<<(num - 1);//赋值位高 |
| | | else pca9555writedata_config[0] &= ~(0x01<<(num - 1));//赋值位低 |
| | | } |
| | | else{ |
| | | if(value)pca9555writedata_config[1] |= 0x01<<(num - 9);//赋值位高 |
| | | else pca9555writedata_config[1] &= ~(0x01<<(num - 9));//赋值位低 |
| | | } |
| | | PCA9555_write_config_port_data(PCA9555_DEVICE_ADDR,pca9555writedata_config[0],pca9555writedata_config[1]); |
| | | }else{//超出芯片控制 |
| | | //error |
| | | } |
| | | |
| | | if(num >0 && num <17) { //第一个芯片IO1-16控制 |
| | | if(num <9) { |
| | | if(value)pca9555writedata_config[0] |= 0x01<<(num - 1);//赋值位高 |
| | | else pca9555writedata_config[0] &= ~(0x01<<(num - 1));//赋值位低 |
| | | } |
| | | else { |
| | | if(value)pca9555writedata_config[1] |= 0x01<<(num - 9);//赋值位高 |
| | | else pca9555writedata_config[1] &= ~(0x01<<(num - 9));//赋值位低 |
| | | } |
| | | PCA9555_write_config_port_data(PCA9555_DEVICE_ADDR,pca9555writedata_config[0],pca9555writedata_config[1]); |
| | | } else { //超出芯片控制 |
| | | //error |
| | | } |
| | | } |
| | | /*设置第一个芯片某一通道默认输入的极性 |
| | | num 控制的IO序号 1~17 |
| | | value 控制的IO输出状态 0:非使能 1:使能翻转为电平0 |
| | | */ |
| | | void PCA9555_Set_One_Value_Polarity_input(unsigned char num,unsigned char value) |
| | | void PCA9555_Set_One_Value_Polarity_input(unsigned char num,unsigned char value) |
| | | { |
| | | if(num >0 && num <17){//第一个芯片IO1-16控制 |
| | | if(num <9){ |
| | | if(value)pca9555writedata_polarity[0] |= 0x01<<(num - 1);//赋值位高 |
| | | else pca9555writedata_polarity[0] &= ~(0x01<<(num - 1));//赋值位低 |
| | | } |
| | | else{ |
| | | if(value)pca9555writedata_polarity[1] |= 0x01<<(num - 9);//赋值位高 |
| | | else pca9555writedata_polarity[1] &= ~(0x01<<(num - 9));//赋值位低 |
| | | } |
| | | PCA9555_write_polarity_port_data(PCA9555_DEVICE_ADDR,pca9555writedata_polarity[0],pca9555writedata_polarity[1]); |
| | | }else{//超出芯片控制 |
| | | //error |
| | | } |
| | | if(num >0 && num <17) { //第一个芯片IO1-16控制 |
| | | if(num <9) { |
| | | if(value)pca9555writedata_polarity[0] |= 0x01<<(num - 1);//赋值位高 |
| | | else pca9555writedata_polarity[0] &= ~(0x01<<(num - 1));//赋值位低 |
| | | } |
| | | else { |
| | | if(value)pca9555writedata_polarity[1] |= 0x01<<(num - 9);//赋值位高 |
| | | else pca9555writedata_polarity[1] &= ~(0x01<<(num - 9));//赋值位低 |
| | | } |
| | | PCA9555_write_polarity_port_data(PCA9555_DEVICE_ADDR,pca9555writedata_polarity[0],pca9555writedata_polarity[1]); |
| | | } else { //超出芯片控制 |
| | | //error |
| | | } |
| | | } |
| | | /*读取5V引脚的输入高低电平 |
| | | 返回值 高1 低0 电平 |
| | |
| | | { |
| | | if(input5v_time) |
| | | { |
| | | input5v_time=0; |
| | | input5v_time=0; |
| | | PCA9555_readdata(PCA9555_DEVICE_ADDR,pca9555writedata_input);//读输入寄存器的值 |
| | | uint16_t gpio_state; |
| | | gpio_state=(uint16_t)pca9555writedata_input[0]<<8|pca9555writedata_input[1]; |
| | | gpio_state111=gpio_state; |
| | | if(gpio_state==0xFFFF) |
| | | {return 0;} |
| | | { |
| | | return 0; |
| | | } |
| | | if(INPUT_5V_POSITION&gpio_state) |
| | | { |
| | | Set5VState(1); |
| | |
| | | } |
| | | else { |
| | | Set5VState(0); |
| | | return 0; |
| | | } |
| | | |
| | | return 0; |
| | | } |
| | | |
| | | } |
| | | /*读取供电引脚的输入高低电平 |
| | | 返回值 高1 低0 电平 |
| | |
| | | int read_powerkey_input_pca(void) |
| | | { |
| | | PCA9555_readdata(PCA9555_DEVICE_ADDR,pca9555writedata_input);//读输入寄存器的值 |
| | | uint16_t gpio_state; |
| | | gpio_state=(uint16_t)pca9555writedata_input[0]<<8|pca9555writedata_input[1]; |
| | | if(PWR_ON_POSITION&gpio_state) |
| | | return 1; |
| | | else { |
| | | return 0; |
| | | } |
| | | uint16_t gpio_state; |
| | | gpio_state=(uint16_t)pca9555writedata_input[0]<<8|pca9555writedata_input[1]; |
| | | if(PWR_ON_POSITION&gpio_state) |
| | | return 1; |
| | | else { |
| | | return 0; |
| | | } |
| | | } |
| | | /*读取SOS引脚的输入高低电平 |
| | | 返回值 高1 低0 电平 |
| | | */ |
| | | int read_userkey_input_pca(void) |
| | | {PCA9555_readdata(PCA9555_DEVICE_ADDR,pca9555writedata_input);//读输入寄存器的值 |
| | | uint16_t gpio_state; |
| | | gpio_state=(uint16_t)pca9555writedata_input[0]<<8|pca9555writedata_input[1]; |
| | | if(SOS_ENBALE_POSITION&gpio_state) |
| | | return 1; |
| | | else { |
| | | return 0; |
| | | } |
| | | { PCA9555_readdata(PCA9555_DEVICE_ADDR,pca9555writedata_input);//读输入寄存器的值 |
| | | uint16_t gpio_state; |
| | | gpio_state=(uint16_t)pca9555writedata_input[0]<<8|pca9555writedata_input[1]; |
| | | if(SOS_ENBALE_POSITION&gpio_state) |
| | | return 1; |
| | | else { |
| | | return 0; |
| | | } |
| | | } |
| | | void PCA9555_init() |
| | | { |
| | | //IIC_gpio_pca_init();//配置IIC管脚 |
| | | |
| | | //PCA9555_write_config_port_data(PCA9555_DEVICE_ADDR,PCA_OUTPUT_CONFIG_MASK,PCA_OUTPUT_CONFIG_MASK);//全配置为输出 |
| | | //PCA9555_Set_One_Value_Polarity_input(PWR_ON,0); |
| | | //PCA9555_write_config_port_data(PCA9555_DEVICE_ADDR,PCA_INPUT_CONFIG_MASK,PCA_INPUT_CONFIG_MASK);//全配置为输入 |
| | | //PCA9555_write_polarity_port_data(PCA9555_DEVICE_ADDR,0x00,0x00);//翻转 |
| | | //PCA9555_Set_One_Value_Config(WAKE_UP,1); |
| | | //PCA9555_Set_All_Output(1); |
| | | |
| | | PCA9555_Set_One_Value_Config(GPS_POWER,0);//设置GPS为输出 |
| | | PCA9555_Set_One_Value_Output(GPS_POWER,1);//拉高GPS |
| | | |
| | | PCA9555_Set_One_Value_Config(GPS_BACKUP,0);//设置GPS备用电源为输出 |
| | | PCA9555_Set_One_Value_Output(GPS_BACKUP,1);//拉高GPS |
| | | |
| | | // while(1) |
| | | PCA9555_Set_One_Value_Config(ADC_MINIUS,0);//设置ADC输出 |
| | | PCA9555_Set_One_Value_Output(ADC_MINIUS,1);//默认拉高 |
| | | PCA9555_Set_One_Value_Config(MCU_A,0);//设置串口复用芯片切换 |
| | | PCA9555_Set_One_Value_Output(MCU_A,1);//输出高电平为uart通讯 |
| | | PCA9555_Set_One_Value_Config(INPUT_5V,1);//设置5V输入检测 |
| | | PCA9555_Set_One_Value_Config(LED_POWER,0);//设置LED灯输出 |
| | | PCA9555_Set_One_Value_Output(LED_POWER,1);//输出高电平开启LED通闪烁 |
| | | PCA9555_Set_One_Value_Config(PWR_ENABLE,0);//设置电池上电是否给单片机供电 |
| | | PCA9555_Set_One_Value_Output(PWR_ENABLE,1);//高电平默认导通单片机供电 |
| | | PCA9555_Set_One_Value_Config(PWR_ON,1);//设置开关机按键输入 |
| | | |
| | | PCA9555_Set_One_Value_Config(SOS_ENBALE,1);//设置SOS按钮输入 |
| | | |
| | | //PCA9555_write_config_port_data(PCA9555_DEVICE_ADDR,PCA_OUTPUT_CONFIG_MASK,PCA_OUTPUT_CONFIG_MASK);//全配置为输出 |
| | | //PCA9555_Set_One_Value_Polarity_input(PWR_ON,0); |
| | | //PCA9555_write_config_port_data(PCA9555_DEVICE_ADDR,PCA_INPUT_CONFIG_MASK,PCA_INPUT_CONFIG_MASK);//全配置为输入 |
| | | //PCA9555_write_polarity_port_data(PCA9555_DEVICE_ADDR,0x00,0x00);//翻转 |
| | | //PCA9555_Set_One_Value_Config(WAKE_UP,1); |
| | | //PCA9555_Set_All_Output(1); |
| | | |
| | | PCA9555_Set_One_Value_Config(GPS_POWER,0);//设置GPS为输出 |
| | | PCA9555_Set_One_Value_Output(GPS_POWER,1);//拉高GPS |
| | | |
| | | PCA9555_Set_One_Value_Config(GPS_BACKUP,0);//设置GPS备用电源为输出 |
| | | PCA9555_Set_One_Value_Output(GPS_BACKUP,1);//拉高GPS |
| | | |
| | | // while(1) |
| | | PCA9555_Set_One_Value_Config(ADC_MINIUS,0);//设置ADC输出 |
| | | PCA9555_Set_One_Value_Output(ADC_MINIUS,1);//默认拉高 |
| | | PCA9555_Set_One_Value_Config(MCU_A,0);//设置串口复用芯片切换 |
| | | PCA9555_Set_One_Value_Output(MCU_A,1);//输出高电平为uart通讯 |
| | | PCA9555_Set_One_Value_Config(INPUT_5V,1);//设置5V输入检测 |
| | | PCA9555_Set_One_Value_Config(LED_POWER,0);//设置LED灯输出 |
| | | PCA9555_Set_One_Value_Output(LED_POWER,1);//输出高电平开启LED通闪烁 |
| | | PCA9555_Set_One_Value_Config(PWR_ENABLE,0);//设置电池上电是否给单片机供电 |
| | | PCA9555_Set_One_Value_Output(PWR_ENABLE,1);//高电平默认导通单片机供电 |
| | | PCA9555_Set_One_Value_Config(PWR_ON,1);//设置开关机按键输入 |
| | | |
| | | PCA9555_Set_One_Value_Config(SOS_ENBALE,1);//设置SOS按钮输入 |
| | | |
| | | // PCA9555_Set_One_Value_Config(TTS_ENABLE,0); |
| | | PCA9555_Set_One_Value_Output(TTS_ENABLE,1); |
| | | PCA9555_Set_One_Value_Config(AIR780E_ENBALE,0);//配置4G供电 |
| | | PCA9555_Set_One_Value_Output(AIR780E_ENBALE,1);//打开4G |
| | | |
| | | PCA9555_Set_One_Value_Config(MAIN_RI,0);//配置4G唤醒引脚为输入 |
| | | PCA9555_Set_One_Value_Output(MAIN_RI,0); |
| | | |
| | | PCA9555_Set_One_Value_Config(AIR780E_ENBALE,0);//配置4G供电 |
| | | PCA9555_Set_One_Value_Output(AIR780E_ENBALE,1);//打开4G |
| | | |
| | | PCA9555_Set_One_Value_Config(MAIN_RI,0);//配置4G唤醒引脚为输入 |
| | | PCA9555_Set_One_Value_Output(MAIN_RI,0); |
| | | |
| | | // PCA9555_Set_One_Value_Config(SOS_ENBALE,1);//设置SOS按钮输入 |
| | | |
| | | |
| | | PCA9555_Set_One_Value_Config(WAKE_UP,1); |
| | | // PCA9555_Set_One_Value_Config(TTS_ENABLE,0);//配置tts供电 |
| | | // PCA9555_Set_One_Value_Output(PWR_ON,0);//拉低 |
| | | //PCA9555_readdata_from_output_register(PCA9555_DEVICE_ADDR,pca9555writedata_input); |
| | | //PCA9555_Set_One_Value_Output(AIR780E_ENBALE,0); |
| | | //PCA9555_Set_One_Value_Output(PWR_ON,0); |
| | | //PCA9555_readdata_from_output_register(PCA9555_DEVICE_ADDR,pca9555writedata_input); |
| | | //PCA9555_Set_One_Value_Output(AIR780E_ENBALE,0); |
| | | //PCA9555_Set_One_Value_Output(PWR_ON,0); |
| | | // PCA9555_Set_All_Output(0); |
| | | //PCA9555_readdata_from_polarity_register(PCA9555_DEVICE_ADDR,pca9555writedata_input); |
| | | PCA9555_readdata(PCA9555_DEVICE_ADDR,pca9555writedata_input);//读输入寄存器的值 |
| | | |
| | | //PCA9555_readdata_from_config_register(PCA9555_DEVICE_ADDR,pca9555writedata_config); |
| | | //PCA9555_readdata_from_polarity_register(PCA9555_DEVICE_ADDR,pca9555writedata_input); |
| | | PCA9555_readdata(PCA9555_DEVICE_ADDR,pca9555writedata_input);//读输入寄存器的值 |
| | | |
| | | //PCA9555_readdata_from_config_register(PCA9555_DEVICE_ADDR,pca9555writedata_config); |
| | | // PCA9555_Set_All_Output(0);//全部拉低 |
| | | |
| | | //测试 |
| | | |
| | | //测试 |
| | | //PCA9555_Set_All_Output(1);//全部拉高 |
| | | //PCA9555_Set_All_Output(0);//全部拉低 |
| | | |
| | |
| | | void move_handler() |
| | | { |
| | | nomove_count=0; |
| | | if(deep_sleep_falg==0) |
| | | { |
| | | deep_sleep_falg=1; |
| | | // sleep_timer_start(); |
| | | NVIC_SystemReset(); |
| | | } |
| | | if(deep_sleep_falg==0) |
| | | { |
| | | deep_sleep_falg=1; |
| | | // sleep_timer_start(); |
| | | NVIC_SystemReset(); |
| | | } |
| | | } |
| | | uint8_t test11,test21,test31,test41,test51; |
| | | void check_input_change(void) |
| | | { |
| | | uint16_t gpio_state; |
| | | gpio_state=(uint16_t)pca9555writedata_input[0]<<8|pca9555writedata_input[1]; |
| | | uint16_t gpio_state; |
| | | gpio_state=(uint16_t)pca9555writedata_input[0]<<8|pca9555writedata_input[1]; |
| | | |
| | | if(WAKE_UP_POSITION&gpio_state) |
| | | { |
| | | if(WAKE_UP_POSITION&gpio_state) |
| | | { |
| | | |
| | | //移动 |
| | | nomove_count=0; |
| | | if(deep_sleep_falg==0) |
| | | { |
| | | |
| | | |
| | | deep_sleep_falg=1; |
| | | // NVIC_SystemReset(); |
| | | sys_reset(0); |
| | | } |
| | | // |
| | | test51++; |
| | | } |
| | | //移动 |
| | | nomove_count=0; |
| | | if(deep_sleep_falg==0) |
| | | { |
| | | |
| | | |
| | | deep_sleep_falg=1; |
| | | // NVIC_SystemReset(); |
| | | sys_reset(0); |
| | | } |
| | | // |
| | | test51++; |
| | | } |
| | | // if(!(MAIN_RI_POSITION&gpio_state)) |
| | | // { |
| | | // flag_4G_recdata = 1; |
| | | // delaysleep_count = 3; |
| | | // test21++; |
| | | // } |
| | | if((PWR_ON_POSITION&gpio_state)) |
| | | { |
| | | if((PWR_ON_POSITION&gpio_state)) |
| | | { |
| | | |
| | | PowerTask(); |
| | | test31++; |
| | | } |
| | | if(!(SOS_ENBALE_POSITION&gpio_state)) |
| | | { |
| | | } |
| | | if(!(SOS_ENBALE_POSITION&gpio_state)) |
| | | { |
| | | |
| | | UserKeyTask(); |
| | | test21++; |
| | | } |
| | | } |
| | | |
| | | |
| | | } |