182 lines
3.8 KiB
C++
182 lines
3.8 KiB
C++
#include "RX8025T.h"
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/* RX8025T I2C读写地址 */
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#define RX8025T_RD_ADDR 0x65
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#define RX8025T_WR_ADDR 0x64
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/* RX8025T 寄存器地址 */
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#define SEC_ADDR 0x00
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#define MIN_ADDR 0x01
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#define HOUR_ADDR 0x02
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#define WEEK_ADDR 0x03
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#define DAY_ADDR 0x04
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#define MONTH_ADDR 0x05
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#define YEAR_ADDR 0x06
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#define RAM_ADDR 0x07
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#define MIN_ALM_ADDR 0x08
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#define HOUR_ALM_ADDR 0x09
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#define WEEK_ALM_ADDR 0x0A
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#define DAY_ALM_ADDR 0x0A
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#define TMR_CNT0_ADDR 0x0B
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#define TMR_CNT1_ADDR 0x0C
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#define EXT_REG_ADDR 0x0D
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#define FLG_REG_ADDR 0x0E
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#define CTL_REG_ADDR 0x0F
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RX8025T::RX8025T(byte devaddr, int wnus)
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{
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this->IIC = nullptr;
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this->Address = devaddr;
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this->devaddr = devaddr;
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for (int i = 0; i < ArrayLength(this->buf); i++)
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{
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this->buf[i] = 0;
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}
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}
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byte BCD2Dec(byte val)
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{
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return (val >> 4) *10+(val &0x0f);
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}
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byte Dec2BCD(byte val)
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{
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return ((val / 10) << 4)+(val % 10);
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}
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void RX8025T::Init()
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{
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this->devaddr = RX8025T_WR_ADDR;
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buf[RAM_ADDR] = 0x00;
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RegWrite(RAM_ADDR, 1); //不使用精度调整
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buf[FLG_REG_ADDR] = 0x24; //0010 0100,bit5:1 24小时制，bit2:0 INTA输出1HZ电平，即秒脉冲，下降与秒计时同步
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RegRead(FLG_REG_ADDR, 1); //设置24小时制
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// RX8025_Read(0x0F, 1); //先读寄存器
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// buf[0] &= 0xFB; //CTFG设置为0
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// RX8025_Write(0x0F, 1); //只有这样电平模式才能使用
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}
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//
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uint8_t RX8025T::CheckDevice(void)
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{
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byte re;
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this->IIC->Start(); /* 发送启动信号 */
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this->IIC->WriteByte(this->devaddr|1);
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re = this->IIC->WaitAck(false);
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this->IIC->Stop(); /* 发送停止信号 */
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return re;
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}
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byte RX8025T::Output1s_Start(void)
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{
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//有问题
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this->buf[EXT_REG_ADDR]=0x00;
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this->buf[FLG_REG_ADDR]=0x00;
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this->buf[CTL_REG_ADDR]=0x60;
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return this->RegWrite(EXT_REG_ADDR,3);
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}
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byte RX8025T::Output1s_Stop(void)
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{
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//有问题
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this->buf[EXT_REG_ADDR]=0x00;
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this->buf[FLG_REG_ADDR]=0x00;
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this->buf[CTL_REG_ADDR]=0x40;
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return this->RegWrite(EXT_REG_ADDR,3);
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}
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//读RX8025寄存器
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int RX8025T::RegRead(byte sadd, byte len)
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{
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this->IIC->Start();
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this->IIC->WriteByte(this->devaddr);
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if (this->IIC->WaitAck(true) == 0)
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{
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return 1;
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}
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this->IIC->WriteByte(SEC_ADDR);
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if (this->IIC->WaitAck(true) == 0)
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{
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return 1;
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}
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this->IIC->Start();
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this->IIC->WriteByte(this->devaddr|1);
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if (this->IIC->WaitAck(false) == 0)
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{
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return 1;
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}
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for(int i=0;i<len;i++)
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{
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this->buf[sadd+i] = this->IIC->ReadByte();
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if (i != len - 1)
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{
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this->IIC->Ack(true);
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}
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else
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{
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this->IIC->Ack(false);
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}
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}
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this->IIC->Stop();
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return 0;
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}
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//写RX8025寄存器
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int RX8025T::RegWrite(byte sadd, byte len)
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{
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this->IIC->Start();
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this->IIC->WriteByte(this->devaddr);
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if (this->IIC->WaitAck(true) == 0)
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{
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return 1;
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}
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this->IIC->WriteByte(sadd);
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if (this->IIC->WaitAck(true) == 0)
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{
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return 1;
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}
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for(int i=0;i<len;i++)
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{
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this->IIC->WriteByte(this->buf[sadd+i]);
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this->IIC->Ack(true);
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/*if (this->IIC->WaitAck(true) == 0)
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{
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return 1;
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}*/
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}
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this->IIC->Stop();
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return 0;
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}
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int RX8025T::LoadTime(DateTime &dt)
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{
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if (this->RegRead(SEC_ADDR, 17) == 0)
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{
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dt.Second = BCD2Dec(this->buf[SEC_ADDR]);
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dt.Minute = BCD2Dec(this->buf[MIN_ADDR]);
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dt.Hour = BCD2Dec(this->buf[HOUR_ADDR]);
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dt.Day = BCD2Dec(this->buf[DAY_ADDR]);
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dt.Month = BCD2Dec(this->buf[MONTH_ADDR]);
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dt.Year = 2000+BCD2Dec(this->buf[YEAR_ADDR]);
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return 0;
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}
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return 1;
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}
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int RX8025T::SaveTime(DateTime &dt)
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{
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this->buf[SEC_ADDR]=Dec2BCD(dt.Second);
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this->buf[MIN_ADDR]=Dec2BCD(dt.Minute);
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this->buf[HOUR_ADDR]=Dec2BCD(dt.Hour);
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this->buf[DAY_ADDR]=Dec2BCD(dt.Day);
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this->buf[MONTH_ADDR]=Dec2BCD(dt.Month);
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this->buf[YEAR_ADDR]=Dec2BCD(dt.Year - 2000);
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this->buf[WEEK_ADDR]=0;
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return this->RegWrite(SEC_ADDR,7);
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}
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