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48 lines
1.7 KiB
48 lines
1.7 KiB
/*********************************************************************************
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*
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* lora_aprs_node_pico is a LoRa APRS KISS modem with additional PE1RXF telemetry
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* capabilities. It runs on a Raspberry Pi Pico.
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*
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* (C)2023 M.T. Konstapel https://meezenest.nl/mees
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*
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* This file is part of lora_aprs_node_pico.
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*
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* lora_aprs_node_pico is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* lora_aprs_node_pico is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with lora_aprs_node_pico. If not, see <https://www.gnu.org/licenses/>.
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*
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**********************************************************************************/
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#include "hardware/i2c.h"
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#define AM2315_I2CADDR 0x5C // or is it 0x5C 0xB8
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#define AM2315_READREG 0x03
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#define PIN_SDA 26
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#define PIN_SCL 27
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/*******************************************************************************
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* Function Declarations
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*/
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int reg_write(i2c_inst_t *i2c,
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const uint addr,
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const uint8_t reg,
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uint8_t *buf,
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const uint8_t nbytes);
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int reg_read( i2c_inst_t *i2c,
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const uint addr,
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const uint8_t reg,
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uint8_t *buf,
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const uint8_t nbytes);
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int initAM2315(void);
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int ReadAM2315(int16_t* humidity, int16_t* temperature);
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