60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/*
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* Copyright 2018 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "mgos.h"
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#include "mgos_i2c.h"
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#include "mgos_mcp9808.h"
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#include <math.h>
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#define MGOS_MCP9808_DEFAULT_I2CADDR (0x18)
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#define MGOS_MCP9808_REG_CONFIG (0x01)
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#define MGOS_MCP9808_REG_CONFIG_SHUTDOWN (0x0100)
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#define MGOS_MCP9808_REG_CONFIG_CRITLOCKED (0x0080)
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#define MGOS_MCP9808_REG_CONFIG_WINLOCKED (0x0040)
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#define MGOS_MCP9808_REG_CONFIG_INTCLR (0x0020)
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#define MGOS_MCP9808_REG_CONFIG_ALERTSTAT (0x0010)
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#define MGOS_MCP9808_REG_CONFIG_ALERTCTRL (0x0008)
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#define MGOS_MCP9808_REG_CONFIG_ALERTSEL (0x0004)
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#define MGOS_MCP9808_REG_CONFIG_ALERTPOL (0x0002)
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#define MGOS_MCP9808_REG_CONFIG_ALERTMODE (0x0001)
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#define MGOS_MCP9808_REG_UPPER_TEMP (0x02)
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#define MGOS_MCP9808_REG_LOWER_TEMP (0x03)
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#define MGOS_MCP9808_REG_CRIT_TEMP (0x04)
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#define MGOS_MCP9808_REG_AMBIENT_TEMP (0x05)
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#define MGOS_MCP9808_REG_MANUF_ID (0x06)
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#define MGOS_MCP9808_REG_DEVICE_ID (0x07)
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct mgos_mcp9808
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{
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struct mgos_i2c *i2c;
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uint8_t i2caddr;
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double last_read_time;
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float temperature;
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};
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#ifdef __cplusplus
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}
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#endif
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