blob: cad89905a28ae0b021176a4dcc2305dd4347b8c0 [file] [log] [blame]
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <arpa/inet.h>
#include <unistd.h>
#include <memory>
#include <base/logging.h>
#include <brillo/flag_helper.h>
#include <peripheralmanager/peripheral_manager_client.h>
int main(int argc, char* argv[]) {
brillo::FlagHelper::Init(argc, argv, "PeripheralManager client.");
logging::InitLogging(logging::LoggingSettings());
// Get a client to the PeripheralManager.
BPeripheralManagerClient* client = BPeripheralManagerClient_new();
if (!client) {
LOG(ERROR) << "Failed to connect to client";
return 1;
}
// Open I2C bus.
BI2cDevice* i2c_device;
int ret =
BPeripheralManagerClient_openI2cDevice(client, "I2C6", 0x18, &i2c_device);
if (ret) {
LOG(ERROR) << "Failed to open I2C: " << strerror(ret);
return 1;
}
uint16_t val = 0;
BI2cDevice_readRegWord(i2c_device, 0x05, &val);
val = ntohs(val);
float temp = (val >> 4) & 0xFF;
temp += static_cast<float>(val & 0xF) / 16;
printf("Temp: %f\n", temp);
BI2cDevice_delete(i2c_device);
// Close the connection to PeripheralManager.
BPeripheralManagerClient_delete(client);
return 0;
}