Lup Yuen Lee 李立源 @lupyuen@qoto.org

#BL602 runs a #WiFi Firmware Task ... To transmit and receive WiFi packets in the background

https://lupyuen.github.io/articles/wifi?10#wifi-firmware-task

Let's dive into the #BL602 #WiFi Driver ... Decompiled into C by BraveHeartFLOSSDev!

https://lupyuen.github.io/articles/wifi?9#decompiled-wifi-demo-firmware

How #BL602 triggers a Lower MAC Interrupt in the #WiFi Radio Hardware

https://lupyuen.github.io/articles/wifi?8#trigger-lmac-interrupt

How #BL602 talks to its #WiFi Radio Hardware to transmit packets

https://lupyuen.github.io/articles/wifi?7#send-request-to-lmac

What goes on inside the State Machine of the #BL602 #WiFi Manager

https://lupyuen.github.io/articles/wifi?6#wifi-manager-state-machine

What happens when #BL602 connects to a #WiFi Network

https://lupyuen.github.io/articles/wifi?5#connect-to-wifi-access-point

How to send a HTTP Request in our #BL602 #WiFi Firmware

https://lupyuen.github.io/articles/wifi?4#send-http-request

How we connect to a #WiFi Access Point in our #BL602 Firmware

https://lupyuen.github.io/articles/wifi?3#connect-to-wifi-network

Here's how we start the #WiFi Driver in our #BL602 Firmware

https://lupyuen.github.io/articles/wifi?2#bl602-wifi-demo-firmware

#RISCV #BL602 now available on Lazada

https://www.lazada.sg/catalog/?from=input&q=Bl602&spm=a2o42.search.top.1&tab=all

Reverse Engineering the #WiFi Driver on #RISCV #BL602 ... All shall be explained here

https://lupyuen.github.io/articles/wifi?1

Quantitative Analysis of Decompiled #BL602 #WiFi Firmware is nearly complete! Actual lines of WiFi code to be reverse engineered: 10,500

Google Sheets: https://docs.google.com/spreadsheets/d/1C_XmkH-ZSXz9-V2HsYBv7K1KRx3RF3-zsoJRLh1GwxI/edit#gid=1323188614

PineCone #BL602 with Huawei HarmonyOS? 🤔

#BL602 #WiFi Firmware: 87,000 lines of Decompiled Code have been classified ... 24,000 more lines to go!

Google Sheets: https://docs.google.com/spreadsheets/d/1C_XmkH-ZSXz9-V2HsYBv7K1KRx3RF3-zsoJRLh1GwxI/edit#gid=1323188614

GitHub Search shows something that partially matches #BL602 #WiFi Driver PHY Layer ... But the BL602 decompiled code seems to have more stuffing inside 🤔

https://github.com/lupyuen/bl602-604/blob/master/components/bl602/bl602_wifi/plf/refip/src/driver/phy/bl602_phy_rf/phy_bl602.c#L474-L492

2,500 lines of Decompiled Code in #BL602 #WiFi Supplicant seem to match Rockchip RK3399 ... Leaving 700 lines to be deciphered

Google Sheets: https://docs.google.com/spreadsheets/d/1C_XmkH-ZSXz9-V2HsYBv7K1KRx3RF3-zsoJRLh1GwxI/edit#gid=1323188614

Decompiled #BL602 #WiFi Supplicant ... Looks similar to Rockchip RK3399 🤔

https://github.com/lupyuen/rk3399-kernel/blob/main/drivers/net/wireless/rockchip_wlan/mvl88w8977/mlan/esa/keyMgmtSta.c#L572-L723

Work In Progress: What's inside the #BL602 #WiFi Demo Firmware ... And how many lines of code need to be Reverse Engineered

Google Sheets: https://docs.google.com/spreadsheets/d/1C_XmkH-ZSXz9-V2HsYBv7K1KRx3RF3-zsoJRLh1GwxI/edit#gid=1323188614

Matching the Decompiled #BL602 #WiFi Functions with AliOS / RivieraWave Source Code ... And identifying the differences

Google Sheets: https://docs.google.com/spreadsheets/d/1C_XmkH-ZSXz9-V2HsYBv7K1KRx3RF3-zsoJRLh1GwxI/edit?usp=sharing

Load the Decompiled #BL602 #WiFi Functions into a spreadsheet ... For easier crunching

Google Sheets: https://docs.google.com/spreadsheets/d/1C_XmkH-ZSXz9-V2HsYBv7K1KRx3RF3-zsoJRLh1GwxI/edit?usp=sharing