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MSP430 in-circuit firmware upgrade question

Started by Weiyang Zhou in comp.arch.embedded19 years ago 6 replies

I am trying to implement the in-circuit firmware upgrade feature on a MSP430148 based system. The firmware consists of a boot loader...

I am trying to implement the in-circuit firmware upgrade feature on a MSP430148 based system. The firmware consists of a boot loader and application. boot loader will be able to receive new application firmware over UART and program it into the flash to replace the older application. I have a few questions related to this: 1. Can the boot loader program flash while executing in flash? Or do...


Minimal uImage (compressed Linux kerne)l size for PPC 8270 processor

Started by Anonymous in comp.arch.embedded17 years ago 1 reply

Hi, I am poring from Linux 2.4 to Linux 2.6. My board is based on PPC 8270 processor of FreeScale (former Motorola). The uImage...

Hi, I am poring from Linux 2.4 to Linux 2.6. My board is based on PPC 8270 processor of FreeScale (former Motorola). The uImage (compressed Linux kernel) size on Linux version 2.4 was ~ 720 Kbytes. What size should I expect on Linux 2.6 ? What is the typical/minimal uImage Linux kernel size , assuming that I am using TCP/IP, UART, etc. The drivers that we added are not so b...