#include <stdlib.h>#include "freertos/FreeRTOS.h"#include "driver/gpio.h"#include "esp_log.h"#include "esp_err.h"#include "pin_defs.h"
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Functions | |
| esp_err_t | enable_switches () |
| Enables tactile switches on the sra board, sets up required gpio's in input pull-up mode. More... | |
| int | read_switch (int switch_id) |
| Reads the state of one of the four switches on sra board. More... | |
Function Documentation
◆ enable_switches()
| esp_err_t enable_switches | ( | ) |
Enables tactile switches on the sra board, sets up required gpio's in input pull-up mode.
- Returns
- esp_err_t - returns ESP_OK if gpio's initialised, else it returns ESP_ERR_INVALID_ARG
◆ read_switch()
| int read_switch | ( | int | switch_id | ) |
Reads the state of one of the four switches on sra board.
- Parameters
-
switch_id id of the switch which needs to be read, we can pass the following macros: SWITCH_1, SWITCH_2, SWITCH_3, SWITCH_4.
- Returns
- int - returns state of the switch, 1 if it is pressed and 0 if it is not pressed.
