H3 Webtools used on nicsure.co.uk
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 els...
2025-04-08 10:05:06 +0000 UTC View Post
nicsure posts
RT-900 Conversion In Full Swing
Now 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 b...
2025-04-08 09:51:27 +0000 UTC View PostnicFW890 V3.00.17
This 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 yo...
2025-04-06 19:59:38 +0000 UTC View PostRT-900 Firmware Flash Protocol Packet Structure
u8 leader; // always 0xAA
u8 command;
u8 blockNumber; // flash address is 0x08003000 + (blockNumber * 0x400)
u16 dataLength; // big endian
u8 data[dataLength];
u16...
Radtel RT-900 Fix Bricked
If 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...
2025-04-05 17:43:11 +0000 UTC View PostRT-900 Firmware Update Process Log
ComSnooper log file of the entire firmware update process.
2025-04-05 16:32:05 +0000 UTC View PostRadtel RT-900 Demo Source Keil Project
This is the RT-900 demo source code project for Keil that was supplied by Radtel.
2025-04-05 15:01:14 +0000 UTC View PostTD-H3 EEPROM_WIPE.bin
As requested, am posting the EEPROM_WIPE.bin here.
2025-04-05 14:56:31 +0000 UTC View PostRadtel RT-900 News
All 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 Post