Search found 3 matches

by eliabieri
Tue Apr 25, 2017 2:24 pm
Forum: ESP32 IDF
Topic: Clarification on the bluetooth APIs
Replies: 1
Views: 1320

Clarification on the bluetooth APIs

Hello everyone, I'am exploring the different bluetooth examples at the moment. Maybe I'm the only one but for me the bluetooth documentation seems quite confusing. As fas as I know we get these different APIs: esp_vci API esp_ble API esp_bt_controller API esp_bluedroid API and maybe some more The es...
by eliabieri
Sun Apr 02, 2017 12:48 pm
Forum: ESP32 IDF
Topic: Using the SPI-bus
Replies: 4
Views: 2724

Re: Using the SPI-bus

Okey this is the modified version. Sadly it still doesn't work. void read_temp_task(void *pvParameter) { max6675_event_group = xEventGroupCreate(); //event group for max6675 spi_bus_config_t bus_config; //conf struct for bus bus_config.sclk_io_num = PIN_NUM_CLK; // CLK bus_config.mosi_io_num = -1; /...
by eliabieri
Fri Mar 17, 2017 8:35 am
Forum: ESP32 IDF
Topic: Using the SPI-bus
Replies: 4
Views: 2724

Using the SPI-bus

hello everyone, I wanted to use the max6675 chip to read out a k-type temperature sensor. You find the datasheet here https://cdn-shop.adafruit.com/datasheets/MAX6675.pdf If you tie CS low and apply a CLK signal at the clk pin, the max6675 spits out one 16bit package, which looks like that: https://...

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