Comments (10)
I spent 4 hours trying to flash the oven with flash magic. The solution in the end was to set the baud rate to 14400 and everything worked ok after that.
from t-962-improvements.
Have you tried with the settings suggested in the Wiki? There is a suggested baud rate there, so you should not need to autobaud anything.
https://github.com/UnifiedEngineering/T-962-improvements/wiki/Flashing-the-LPC21xx-controller
from t-962-improvements.
Of course I followed suggestions in the wiki (including suggested baud rate 57600):
https://github.com/UnifiedEngineering/T-962-improvements/wiki/Flashing-the-LPC21xx-controller
Even so Flash Magic is trying (and failed) to autobaud and LPC2000 says "Cannot communicate with test board".
I also made a new serial cable and also tried optional DTR and RTS control of RST and ISP pins.
Is there any requirements for waveform / timing of n_RESET and n_ISP pulses?
from t-962-improvements.
No special requirements, once you have entered the bootloader you shouldn't need to touch RESET or ISP before flashing. I just did it with simple push buttons without problems.
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What was your COM port settings?
My are (defaults) 57600 bps, 8 data bits, parity: none, 1 stop bit. Flow control: none. I also tried Flow control: Xon/Xoff.
from t-962-improvements.
I had the same issue. Turned out I had the Rx and Tx backwards. Also my baud rate was 9600 (in the device manager settings)
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I am using linux ./lpc21isp build/T-962-controller.hex /dev/ttyUSB0 57600 11059 to flash but facing similar problem.
any Suggestion ?
I have not used LPC21... So I thought to buy sample board and programmer to test first then flash in this.
I believe any USB -> RS232 dongle should do it like pL2303 please suggestion how to fix it
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It worked at 2400 baud rate for me.
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I had the same problem. I used 9600 baudrate. And also removed reset cable after entering bootloader mode because when I hit "Read Device Signature" option, device resets itself and gets out of mode.
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Issue cleanup
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Related Issues (20)
- Flashed New Firmware Blank Screen HOT 15
- Anyone Purchased T-962A+ Lately - Maybe T-962A + Mods Here Better Choice? HOT 18
- Can't re-flash upgrade after downgrade to original firmware HOT 3
- Add Safety Waring to Firmware Instructions. HOT 1
- "COLD JUNCTION NOT PRESENT" DS18S20 not available from DigiKey; DS18S20+PAR substituted HOT 5
- For Setup/Calibrations OFFSET Parameter for Left and Right TCs are Too Course HOT 2
- Flat Ribbon Cable Adapter
- I made a OpenOffice Calc sheet to help generate custom reflow profiles HOT 5
- The source codes are posted HOT 31
- [WiP] ESPHome component
- T-962A Screen blank after flashing new firmware HOT 14
- New version T962 HOT 1
- Calibration with MAX31850K connected HOT 1
- Raspberry Pi Serial Connection for flashing and Web GUI
- Just reporting: 2023 T962 - Upgrade successful HOT 1
- Timer does not start HOT 15
- quite original (Elektor-modified) T962 has significant temperature difference, solder not melting HOT 44
- Instructions for flashing seem to be wrong? HOT 5
- Why not trying slowly moving the board instead of improving heat distribution ? HOT 1
- Heater and Fun runs togheter? HOT 2
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