HappyDg / MKELibrary

MKELibrary v2

hello.

if you do not know how to use MKELibrary, read doc/main.md.

you are using MKELibrary v2. please update config.txt to match your system setup.

if you are trying to develop a new project, please copy the entire folder template/generic or template/rtos appropriately.

if you would like to use the old MKELibrary, $ git checkout v1.

troubleshooting

booting into rom

symptoms:

• chip doesn't appear to be running code without the debugger attached
• when connecting to a running program after restart, instruction is at 0x1C00xxxx

disease:

• NMI_b is pulled down during power-up

cure:

• change NV_FOPT_BOOTPIN_OPT from 0 (default) to 1 by changing the flash config in the startup file:

old:

/* Flash Configuration */
    .section .FlashConfig, "a"
    .long 0xFFFFFFFF
    .long 0xFFFFFFFF
    .long 0xFFFFFFFF
    .long 0xFFFF7DFE

new:

/* Flash Configuration */
    .section .FlashConfig, "a"
    .long 0xFFFFFFFF
    .long 0xFFFFFFFF
    .long 0xFFFFFFFF
    .long 0xFFFF7FFE