Search found 2 matches

by sfarras
Fri Jan 31, 2020 9:14 am
Forum: ESP-IDF
Topic: How to use external RAM in cJSON.C calls
Replies: 1
Views: 2833

How to use external RAM in cJSON.C calls

Hello everyone, How can I force all malloc() calls in cJSON.c to use the external SPI RAM ? I tried to reduce "CONFIG_SPIRAM_MALLOC_ALWAYSINTERNAL" to minimum in menuconfig, but I'm building a big JSON object composed by a lot of small objects and I suspect the result is stored mainly in internal RA...
by sfarras
Tue Apr 10, 2018 3:27 pm
Forum: ESP-IDF
Topic: ESP32 as I2C Slave. What is the response when master reads ?
Replies: 1
Views: 3688

ESP32 as I2C Slave. What is the response when master reads ?

Hi to everyone !! I'm using the ESP32 as I2C slave, connected to a master that polls the ESP so frequently. My problem : When the master reads from ESP and the ESP fifo is empty, the ESP responds garbage to the master. In my opinion, when the master tries to read from slave (ESP32) and the slave has...