1.MT2502支持16级电流，每种电流均用CHR_CS_VTH描述。注意：红色标记的部分与默认值不同，该值将被修改。
const DCL_UINT32 chr_CS_VTH[CS_VTH_SIZE]=
{
PMU_CHARGE_CURRENT_1600_00_MA, PMU_CHARGE_CURRENT_1500_00_MA,
PMU_CHARGE_CURRENT_1400_00_MA, PMU_CHARGE_CURRENT_1300_00_MA,
PMU_CHARGE_CURRENT_1200_00_MA, PMU_CHARGE_CURRENT_1100_00_MA,
PMU_CHARGE_CURRENT_1000_00_MA, PMU_CHARGE_CURRENT_900_00_MA,
PMU_CHARGE_CURRENT_800_00_MA, PMU_CHARGE_CURRENT_700_00_MA,
http://bbs.16rd.com/thread-467401-1-1.html
PMU_CHARGE_CURRENT_650_00_MA, PMU_CHARGE_CURRENT_550_00_MA,
PMU_CHARGE_CURRENT_450_00_MA, PMU_CHARGE_CURRENT_300_00_MA,
PMU_CHARGE_CURRENT_200_00_MA, PMU_CHARGE_CURRENT_70_00_MA
};
2.当USB充电电流无法更改时，修改如下：
void bmt_set_chr_current(void) //hal\peripheral\src\bmt_utility.c
{
......
case PW_USB_CHR:
chr_current =CHR_USB_CHARGE_CURRENT;
drv_trace0(TRACE_GROUP_10, BMT_SET_USB_CHARGE_CURRENT_TRC);
kal_prompt_trace(MOD_BMT, "USB:chr_current= %d",chr_current);
break;
......
}
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