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#include <stdio.h>
#include "pico/stdlib.h"
#include "hardware/i2c.h"
#include "hardware/timer.h"
#include "hardware/clocks.h"
// I2C defines
// This example will use I2C0 on GPIO8 (SDA) and GPIO9 (SCL) running at 400KHz.
// Pins can be changed, see the GPIO function select table in the datasheet for information on GPIO assignments
#define I2C_PORT i2c0
#define I2C_SDA 8
#define I2C_SCL 9
int64_t alarm_callback(alarm_id_t id, void *user_data) {
// Put your timeout handler code in here
return 0;
}
int main()
{
stdio_init_all();
// I2C Initialisation. Using it at 400Khz.
i2c_init(I2C_PORT, 400*1000);
gpio_set_function(I2C_SDA, GPIO_FUNC_I2C);
gpio_set_function(I2C_SCL, GPIO_FUNC_I2C);
gpio_pull_up(I2C_SDA);
gpio_pull_up(I2C_SCL);
// Timer example code - This example fires off the callback after 2000ms
add_alarm_in_ms(2000, alarm_callback, NULL, false);
puts("Hello, world!");
return 0;
}
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