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HMC5883L driver + example

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rus 2016-10-12 14:34:45 +05:00
parent 0a8c61ffb7
commit 4e7362f2d4
5 changed files with 461 additions and 0 deletions
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4
examples/hmc5883l/Makefile Normal file
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PROGRAM = hmc5883l
EXTRA_COMPONENTS = extras/i2c extras/hmc5883l
#ESPBAUD = 460800
include ../../common.mk

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examples/hmc5883l/main.c Normal file
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/*
* Example of using HMC5883L driver
*
* Part of esp-open-rtos
* Copyright (C) 2016 Ruslan V. Uss <unclerus@gmail.com>
* BSD Licensed as described in the file LICENSE
*/
#include <esp/uart.h>
#include <espressif/esp_common.h>
#include <stdio.h>
#include <i2c/i2c.h>
#include <hmc5883l/hmc5883l.h>
#define SCL_PIN 5
#define SDA_PIN 4
void user_init(void)
{
uart_set_baud(0, 115200);
printf("SDK version:%s\n\n", sdk_system_get_sdk_version());
i2c_init(SCL_PIN, SDA_PIN);
while (!hmc5883l_init())
printf("Device not found\n");
hmc5883l_set_operating_mode(HMC5883L_MODE_CONTINUOUS);
hmc5883l_set_samples_averaged(HMC5883L_SAMPLES_8);
hmc5883l_set_data_rate(HMC5883L_DATA_RATE_07_50);
hmc5883l_set_gain(HMC5883L_GAIN_1090);
while (true)
{
hmc5883l_data_t data;
hmc5883l_get_data(&data);
printf("Magnetic data: X:%.2f mG, Y:%.2f mG, Z:%.2f mG\n", data.x, data.y, data.z);
for (uint32_t i = 0; i < 1000; i++)
sdk_os_delay_us(250);
}
}