Hi All
I have been able to install Openwrt upon three of my 15 MR18 so far.
Here is what I did to get them.
- I followed this website https://openwrt.org/toh/meraki/mr18/jtag?s[]=nano*&s[]=plus*#flashing_openwrt
- I used my openocd raspberry pi config
adapter driver bcm2835gpio
bcm2835gpio peripheral_base 0x3E000000
bcm2835gpio speed_coeffs 194938 48
#bcm2835gpio_jtag_nums 11 25 10 9
adapter gpio trst 7
adapter gpio tck 11
adapter gpio tms 25
adapter gpio tdi 10
adapter gpio tdo 9
- On JTAG I connected pin 14 from Meraki (VCC) connect directly to VCC 3,3V on Raspberry PI (pin 1), pin 2 (GND) on Meraki to pin 25 on Raspberry PI.
- I used a Raspberry PI 3B, with current version of raspberry pi lite image. I had no devices connected to the raspberry pi.
- I ssh into the raspberry pi and did all the installation this way.
- I am randomly getting there. I am not sure when timing of running openocd to break to the Meraki MR18 boot sequence.
- 12 more MR18 to convert.
- I will try to make a blog post and youtube video. So in the future others can just follow the steps