HeptaBattery.cpp

00001 #include "HeptaBattery.h"
00002 #include "mbed.h"
00003 
00004 HeptaBattery::HeptaBattery(PinName bat, PinName bat_ct, PinName reg_st) : _bat(bat),_bat_ct(bat_ct),_reg_st(reg_st)
00005 {
00006     _bat_ct = 0;    // disable battery charge
00007     _reg_st = 1;    // able 3.3V regulator out
00008     PHY_PowerDown();// disable Ethernet connection
00009 }
00010 void HeptaBattery::vol(float* bt)
00011 {
00012     *bt = (_bat.read()*1.431*3.3);
00013 }
00014 void HeptaBattery::vol_u16(char* bt_u16)
00015 {
00016     unsigned short bt_datas;
00017     char bt1[8]={0x00},bt2[8]={0x00};
00018     bt_datas=_bat.read_u16()>>4;
00019     sprintf( bt1, "%02X", (bt_datas >> 8) & 0x0F);
00020     sprintf( bt2, "%02X", (bt_datas) & 0xFF);
00021     bt_u16[0]=bt1[0]; bt_u16[1]=bt1[1];
00022     bt_u16[2]=bt2[0]; bt_u16[3]=bt2[1];
00023 }
00024 void HeptaBattery::chargecontrol(int state, int *save_flag)
00025 {
00026     float Bat;
00027     switch(state){
00028         case 1:
00029             //Battery Voltage High Level
00030             Peripheral_PowerUp(0xFDFF6FF7);
00031             _bat_ct = 0;
00032             _reg_st = 1;
00033             *save_flag = 0;
00034             break;
00035         case 2:
00036             //Battery Voltage Normal Level
00037             Peripheral_PowerUp(0xFDFF6FF7);
00038             _reg_st = 1;
00039             _bat_ct = 1;
00040             *save_flag = 0;
00041             break;
00042         case 3:
00043             //Battery Voltage Low Level
00044             Peripheral_PowerDown(0x7D7E6DF1);
00045             _bat_ct = 1;
00046             _reg_st = 0;
00047             *save_flag = 1;
00048             break;
00049         case 4:
00050             //Battery Voltage Auto Charge
00051             Bat = _bat.read()*1.431*3.3;
00052             if(Bat>=4.2){
00053                 Peripheral_PowerUp(0xFDFF6FF7);
00054                 printf("voltage high level = %f\r\n",Bat);
00055                 printf("Complete!!!");
00056                 _bat_ct = 0;
00057                 _reg_st = 1;
00058                 *save_flag = 0;
00059             }
00060             Peripheral_PowerDown(0x7D7E6DF1);
00061             printf("voltage low level = %f\r\n",Bat);
00062             _bat_ct = 1;
00063             _reg_st = 0;
00064             *save_flag = 1;
00065             break;
00066         default:
00067             printf("error\r\n");
00068             break;
00069     }
00070 }
00071