The following commands will add a boot menu entry that switches to fast charging and turns off the backlight: It will abort if the battery is in over temperature or some other error condition occurs. You can force the PMU to try to do a fast (500mA) charge of the battery. You can disable battery charging (until the next reboot) by issuing fast_cccv - Fast (500mA) charging, using Constant-Current followed by Constant Voltage (Li-Ion). ![]() pre - Slow (100mA) charging, works in hardware.You can get the current charger status by issuing You can switch the device off from the U-Boot prompt.įor a detailed description of the charger basics, see Neo1973 Battery Charger. You can display hardware reference and revision Neo1973 udc pullup (on|off) - switch USB device controller pull-up on or off Neo1973 gps (on|off) - switch GPS system on or off Neo1973 gsm (on|off|version) - switch GSM Modem on/off or print firmware version Neo1973 vibrator (on|off) - switch vibrator on or off Neo1973 led num (on|off) - switch LED number 'num' on or off Neo1973 backlight (on|off) - switch backlight on or off Neo1973 charger fast - enable fast (500mA) charging Neo1973 charger !autofast - disable automatic fast (500mA) charging Neo1973 charger autofast - enable automatic fast (500mA) charging Neo1973 charger status - display charger status Neo1973 neo1973 info - display phone information Our version of u-boot supports a couple of Neo1973 specific commands: ![]() Warning: you risk bricking your phone if you attempt to read in too large a file as extload appears to write the overflow into dangerous parts of memory address space. Please note that this will only work with root file system sizes that are smaller than the amount of memory above 0x32000000, which in the case of 64MB SDRAM is something like 32MB. The default configuration is:īootcmd=setenv bootargs $
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