Flash Archives - Scargill's Tech Blog

Espressif Save to FLASH–an alternative

September 3, 2016September 4, 2016 Peter ScargillFlash28 Comments

In this article I’ll talk about making use of FLASH to store information in the ESP8266 wireless units (I refer here to those with 4Meg or more of FLASH – on the assumption that only the first 2 meg is in use plus a tiny bit at the end)… To clarify…

Accessing ESP8266 Arrays in FLASH

July 1, 2015July 1, 2015 Peter ScargillESP-01, ESP-02, ESP-03, ESP-04, ESP-05, ESP-06, ESP-07, ESP-08, ESP-09, ESP-10, ESP-11, ESP-12, ESP-12E, ESP-13, ESP-201, ESP-210, ESP12, ESP8266, Flash23 Comments

A new challenge – the answer to which I will post in here. Accessing an ESP8266 C array in FLASH – i.e. never touching RAM until you actually access something. One suggestion was to ensure you use 4-byte variables.. so I tried this – it compiled – the array is…