As the site is currently down with no plans (as yet) to bring it back (I am just too busy) I thought I would package the online H3 tools so that others may host them elsewhere, they may even work directly from double clicking the html files.
Feel free to tweak, these files are fully PD, do with them as you wish...
2025-04-08 10:05:06 +0000 UTC View PostNow that the base build environment and toolchain is sorted (thanks Kelvin) the conversion of nicFW to the RT-900 is underway.
As you all know, this part is a grind and I work best like this without distraction. I will post from time to time with progress, but I'm going to be mainly glued to VS Code for a while.
It took...
2025-04-08 09:51:27 +0000 UTC View PostThis is to address a bug in the SPI App when importing .nicfont files. They should import into the correct character slots now.
The firmware is still version .16 and need not be updated if you are already running .16
2025-04-06 19:59:38 +0000 UTC View Postu8 leader; // always 0xAA
u8 command;
u8 blockNumber; // flash address is 0x08003000 + (blockNumber * 0x400)
u16 dataLength; // big endian
u8 data[dataLength];
u16 crc16; // crc16/xmodem everything from command to the end of the data section
u8 trailer; // always 0xEF
From what I can tell,...
2025-04-05 19:32:04 +0000 UTC View PostIf you get a bad flash on an RT-900 it may appear to be bricked as you cannot get back to the update mode (switch on with two buttons under PTT pressed).
It is not bricked. The problem is the radio does not have a hard power off. The switch on the volume control is a software switch, so if there's no valid firmware running to power the dev...
2025-04-05 17:43:11 +0000 UTC View PostComSnooper log file of the entire firmware update process.
2025-04-05 16:32:05 +0000 UTC View PostThis is the RT-900 demo source code project for Keil that was supplied by Radtel.
2025-04-05 15:01:14 +0000 UTC View PostAs requested, am posting the EEPROM_WIPE.bin here.
2025-04-05 14:56:31 +0000 UTC View PostAll development for the RT-900 will be exclusively on Patreon until such time as I feel it is ready for actual public release. To be a part of the early RT-900 efforts you will need to sign up.
2025-04-04 17:45:28 +0000 UTC View PostSubmitted by: shawn__blank
Status: Investigating
Version: RC2.1
Plugging in external MIC (Anytone brand) causes screen corruption and requires power cycling to recover.
Update 1: Unable to replicate with my external mic, but it's not the same kind as shawn's. Need to further investigate Anytone mics to se...
2024-11-02 13:43:33 +0000 UTC View Post