diff options
Diffstat (limited to 'main/i2c.h')
| -rw-r--r-- | main/i2c.h | 47 |
1 files changed, 2 insertions, 45 deletions
@@ -2,52 +2,9 @@ // https://github.com/raspberrypi/pico-examples/tree/master/i2c // https://www.raspberrypi.com/documentation/microcontrollers/raspberry-pi-pico.html -#include <stddef.h> -#include <stdint.h> -#include <hardware/i2c.h> - -#define SDA_PIN 16 -#define SCL_PIN 17 -#define I2C_PORT i2c0 #define MAX_SLAVES 10 #define MAX_TIMEOUT_TIME 50 //ms -/** - * \brief initialize all required gpio for i2c usage on the pico - * - * This functions only initializes the standard gpio required to start i2c - * communications. - * - * \note Tasks shouldn't depend on any other module in the main controller - */ -void init_i2c(); - -/** - * \brief read data from addr with length len from i2c bus. - * - * This functions reads data from a specific address on the i2c bus, - * the output var will hold the data which was read from said address with - * length len. - */ -int read_i2c(uint8_t addr, uint8_t *output, size_t len); - -/** - * \brief write data to addr with length len from i2c bus. - * \param addr - * \param input - * \param len - * This functions writes data to a specific address on the i2c bus, - * the input var holds the data which will be written to the given - * address with length len. - */ -int write_i2c(uint8_t addr, uint8_t *input, size_t len); - -/** - * \brief -*/ -int write_read_i2c(uint8_t addr, uint8_t *input, size_t input_len, uint8_t *output, size_t output_len); - -uint8_t* scan_bus(uint8_t *array); - -/** \brief looking for slave addresses and requesting updates */ +//! looking for slave addresses and requesting updates void bus_task(); + |