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Added a contributed example for the MCP9600
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""" | ||
Copyright (c) 2023 Pierre Jeunesse All rights reserved. | ||
https://github.com/PierreJeunesse | ||
This program is free software; you can redistribute it and/or | ||
modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE | ||
Version 3 as published by the Free Software Foundation; either | ||
or (at your option) any later version. | ||
This library is distributed in the hope that it will be useful, | ||
but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
General Public License for more details. | ||
You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE | ||
along with this library; if not, write to the Free Software | ||
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
""" | ||
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""" | ||
This example sets up and control an MCP9600 i2c Thermocouple. | ||
The structure is the same as MCP9600_basic_demo.ino provided by the manufacturer Seeed. | ||
It will continuously print data from the device. | ||
""" | ||
import sys | ||
import time | ||
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from telemetrix import telemetrix | ||
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# the call back function to print the MCP9600 data | ||
def the_callback(data): | ||
""" | ||
:param data: [Device address, device read register, data] | ||
:return: | ||
""" | ||
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first_byte = data[5] | ||
sec_byte = data[6] | ||
Temp_ = ((first_byte << 8) | sec_byte) / 16 | ||
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# Display result | ||
print(Temp_) | ||
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def mpc9600(my_board): | ||
# setup mpc9600 | ||
# device address = 96 | ||
my_board.set_pin_mode_i2c() # #define DEFAULT_IIC_ADDR 0X60 (in Seeed_MCO9600.h) | ||
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# err_t sensor_basic_config() { | ||
# err_t ret = NO_ERROR; | ||
# CHECK_RESULT(ret, sensor.set_filt_coefficients(FILT_MID)); (in Seeed_MCO9600.cpp) | ||
# IIC_read_byte(THERM_SENS_CFG_REG_ADDR, &therm_cfg_data) (in Seeed_MCO9600.cpp) | ||
# THERM_SENS_CFG_REG_ADDR : 0X5 => 5 (in Seeed_MCO9600.h) | ||
# FILT_MID : 4 (in Seeed_MCO9600.h) | ||
my_board.i2c_write(96, [5, 4]) | ||
time.sleep(1) | ||
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# CHECK_RESULT(ret, sensor.set_cold_junc_resolution(COLD_JUNC_RESOLUTION_0_25)); | ||
# same logic as above | ||
my_board.i2c_write(96, [6, 1 << 7]) | ||
time.sleep(1) | ||
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# CHECK_RESULT(ret, sensor.set_ADC_meas_resolution(ADC_14BIT_RESOLUTION)); | ||
my_board.i2c_write(96, [6, 1 << 5]) | ||
time.sleep(1) | ||
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# CHECK_RESULT(ret, sensor.set_burst_mode_samp(BURST_32_SAMPLE)); | ||
my_board.i2c_write(96, [6, 0 << 2]) | ||
time.sleep(1) | ||
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# CHECK_RESULT(ret, sensor.set_sensor_mode(NORMAL_OPERATION)); | ||
my_board.i2c_write(96, [6, 0]) | ||
time.sleep(1) | ||
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while True: | ||
# read 2 bytes from the data register | ||
try: | ||
my_board.i2c_read_restart_transmission(96, 0, 2, the_callback, i2c_port=0, | ||
write_register=True) | ||
time.sleep(0.5) | ||
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except (KeyboardInterrupt, RuntimeError): | ||
my_board.shutdown() | ||
sys.exit(0) | ||
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board = telemetrix.Telemetrix() | ||
try: | ||
mpc9600(board) | ||
except KeyboardInterrupt: | ||
board.shutdown() | ||
sys.exit(0) |
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