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Ian St. John

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10/24/2019

11:24 PM ARM9 Based Platforms Software Development: RE: L138-FX-225-RC not available at Digikey
Thank you. I actually just found this out. I was misdirected because the digikey descriptor for that part was
MIT...
08:50 PM ARM9 Based Platforms Software Development: L138-FX-225-RC not available at Digikey
I am developing for the L138-FX-225-RC MityDSP board. I can no longer source them at Digikey. All pages come back 404...

07/12/2016

12:16 AM ARM9 Based Platforms Software Development: RE: SPI1 controller, access to FLASH and carrier board. NOT linux based.
Johnathan,
Joy Joy, Happy Happy.
Everything is working. There were three items altogether. First was the "open...

07/09/2016

05:56 PM ARM9 Based Platforms Software Development: RE: SPI1 controller, access to FLASH and carrier board. NOT linux based.
Hmm. I asked the EE about the diagram and he was interested in the fact that there was a pull up on the CS line. Appa...
12:40 AM ARM9 Based Platforms Software Development: RE: SPI1 controller, access to FLASH and carrier board. NOT linux based.
The eeprom is on the i2c0 bus. I'm assuming you are talking about the SPI Nor flash which is on SPI1_CS0.+
Oops...

07/05/2016

10:18 AM ARM9 Based Platforms Software Development: SPI1 controller, access to FLASH and carrier board. NOT linux based.
I am building and programming a custom board without Linux. Basic embedded drivers running from SPI1,CS0 (8MB NOR Fla...

04/20/2016

04:58 PM ARM9 Based Platforms Software Development: RE: No Prompt from Uboot
Thanks. You got it.
Only way to be sure was to cut the i2c traces on the carrier. Biked over to my partners and go...
12:37 AM ARM9 Based Platforms Software Development: RE: No Prompt from Uboot
I don't have either a second (working) module or a standard carrier board. We couldn't afford them when we started an...

04/19/2016

03:34 PM ARM9 Based Platforms Software Development: RE: No Prompt from Uboot (baahhh)
Well, it worked for two or three runs. Now it hangs on the uart initialization? Thinks that the uart is busy with out...
12:46 PM ARM9 Based Platforms Software Development: RE: No Prompt from Uboot (update)
Imported and ran UBL to CCS 6.1.2. Changed only DEVICE_UART_PERIPHNUM to 1 from 2 in devices_uart.h to get UBL messag...

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