diff options
Diffstat (limited to 'board/blaze/battery.c')
| -rw-r--r-- | board/blaze/battery.c | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/board/blaze/battery.c b/board/blaze/battery.c index 569822a88a..7701aed74e 100644 --- a/board/blaze/battery.c +++ b/board/blaze/battery.c @@ -29,6 +29,30 @@ struct battery_device { int support_cut_off; }; +/* + * Used for the case that battery cannot be detected, such as the pre-charge + * case. In this case, we need to provide the battery with the enough voltage + * (usually the highest voltage among batteries, but the smallest precharge + * current). This should be as conservative as possible. + */ +static struct battery_info info_precharge = { + + .voltage_max = 13050, /* the max voltage among batteries */ + .voltage_normal = 11400, + .voltage_min = 9000, + + /* Pre-charge values. */ + .precharge_current = 392, /* mA, the min current among batteries */ + + .start_charging_min_c = 0, + .start_charging_max_c = 60, + .charging_min_c = 0, + .charging_max_c = 60, + .discharging_min_c = 0, + .discharging_max_c = 60, +}; + + static struct battery_info info_3s = { .voltage_max = 13050, @@ -176,16 +200,16 @@ const struct battery_info *battery_get_info(void) if (battery_manufacturer_name(manuf, sizeof(manuf))) { CPRINTF("[%T Failed to get MANUF name]\n"); - return NULL; + return &info_precharge; } if (battery_device_name(device, sizeof(device))) { CPRINTF("[%T Failed to get DEVICE name]\n"); - return NULL; + return &info_precharge; } if (battery_design_voltage((int *)&design_mv)) { CPRINTF("[%T Failed to get DESIGN_VOLTAGE]\n"); - return NULL; + return &info_precharge; } for (i = 0; i < ARRAY_SIZE(support_batteries); ++i) { @@ -200,7 +224,9 @@ const struct battery_info *battery_get_info(void) } } - return NULL; + CPRINTF("[%T un-recognized battery Manuf:%s, Device:%s]\n", + manuf, device); + return &info_precharge; } static int cutoff(void) |