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Bring current with other live branches
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‎Learn/Examples/Devices/Convert/Test libdac2ch.c

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/*
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Test libdac2ch.c
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Test the dac2ch library.
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*/
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#include "simpletools.h"
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#include "dac2ch.h"
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dac2ch *dacA;
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dac2ch *dacB;
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int main()
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{
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// Start two DAC processes, one 8-bit and one 10 bit
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dacA = dac2ch_start(8);
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dacB = dac2ch_start(10);
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// Set P26 and P27 to 1.65 V, and P5 and P6 to 0.825 V.
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dac2ch_set(dacA, 26, 0, 128);
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dac2ch_set(dacB, 27, 0, 512);
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dac2ch_set(dacA, 5, 1, 64);
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dac2ch_set(dacB, 6, 1, 256);
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pause(3000);
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// Stop signals on P26 and P5 -> inputs
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dac2ch_set(dacA, 26, 0, -1);
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dac2ch_set(dacA, 5, 1, -1);
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pause(3000);
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// Switch outputs that were on P27 and P6 to P26 and P5.
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dac2ch_set(dacB, 26, 0, 768);
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dac2ch_set(dacB, 5, 1, 192);
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pause(3000);
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// End the dac2ch processes
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dac2ch_stop(dacA);
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dac2ch_stop(dacB);
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}
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‎Learn/Examples/Devices/Convert/Test libdac2ch.side

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Test libdac2ch.c
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>compiler=C
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>memtype=cmm main ram compact
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>optimize=-Os
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>-m32bit-doubles
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>-fno-exceptions
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>defs::-std=c99
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>-lm
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>BOARD::ACTIVITYBOARD

‎Learn/Examples/Devices/Convert/Test libpwm2ch.c

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/*
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Test libpwm2ch.c
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Test the pwm2ch library.
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*/
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#include "simpletools.h"
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#include "pwm2ch.h"
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pwm2ch *pwmA;
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pwm2ch *pwmB;
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int main()
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{
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// Start PWM process A. Frequency = 1 kHz -> pulse period = 1 ms.
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// Start PWM process B. Frequency = 1.2 kHz -> pulse period = 0.8333.. ms.
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pwmA = pwm2ch_start(1000);
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pwmB = pwm2ch_start(1200);
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// Set all four available channels.
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pwm2ch_set(pwmA, 3, 0, 300);
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pwm2ch_set(pwmA, 4, 1, 600);
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pwm2ch_set(pwmB, 5, 0, 100);
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pwm2ch_set(pwmB, 6, 1, 200);
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pause(3000);
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// Stop signals on P3 and P5 -> inputs
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pwm2ch_set(pwmA, 3, 0, -1);
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pwm2ch_set(pwmB, 5, 0, -1);
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pause(1000);
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// Re-start channels with different duty cycles.
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pwm2ch_set(pwmA, 3, 0, 100);
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pwm2ch_set(pwmB, 5, 0, 50);
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pause(1000);
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// Turn off channels again
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pwm2ch_set(pwmA, 3, 0, -1);
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pwm2ch_set(pwmB, 5, 0, -1);
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pause(1000);
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// Move signals from other channels to P3 and P5
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pwm2ch_set(pwmA, 3, 1, 600);
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pwm2ch_set(pwmB, 5, 1, 600);
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pause(1000);
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// Move channels that were disabled to the ones just
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// vacated.
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pwm2ch_set(pwmA, 4, 0, 300);
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pwm2ch_set(pwmB, 6, 0, 300);
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pause(1000);
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// Set A process channels low.
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// Set B process channels to inputs.
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pwm2ch_set(pwmA, 3, 0, 0);
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pwm2ch_set(pwmA, 4, 1, 0);
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pwm2ch_set(pwmB, 5, 0, -1);
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pwm2ch_set(pwmB, 6, 1, -1);
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pause(1000);
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// Restart A channels in B channels that were just vacated.
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pwm2ch_set(pwmA, 5, 0, 600);
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pwm2ch_set(pwmA, 6, 1, 600);
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pause(3000);
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// Stop again
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pwm2ch_set(pwmA, 5, 0, -1);
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pwm2ch_set(pwmA, 6, 1, -1);
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// End the pwm2ch process
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pwm2ch_stop(pwmA);
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pwm2ch_stop(pwmB);
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}
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‎Learn/Examples/Devices/Convert/Test libpwm2ch.side

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Test libpwm2ch.c
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>compiler=C
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>memtype=cmm main ram compact
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>optimize=-Os
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>-m32bit-doubles
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>-fno-exceptions
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>defs::-std=c99
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>-lm
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>BOARD::ACTIVITYBOARD

‎Learn/Examples/Devices/Sensor/Air Quality BME680/bme680_adjust_sensor_settings.c

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/**
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* @file bme680_adjust_sensor_settings.c
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*
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* @author Matthew Matz
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*
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* @version 0.5
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*
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* @copyright
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* Copyright (C) Parallax, Inc. 2019. All Rights MIT Licensed.
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*
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* @brief Example demonstrating how to adjust the sensor's settings
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* before taking a reading.
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*/
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#include "simpletools.h" // Include simple tools
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#include "bme680.h"
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bme680 *mySensor; // Create a new sensor instance
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int main() {
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// Open the sensor using an SPI interface
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// SDO, CLK, SDI, CS
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mySensor = bme680_openSPI(20, 21, 22, 23);
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// Set the ambient temperature used (in deg C) by the gas sensor's calculations.
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// A temperature measurement could be taken and fed back into this setting for increased
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// accuracy.
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bme680_configure(mySensor, BME680_SETTING_AMB_TEMP, 20);
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// Set the temperature of the gas sensor's heating element (in deg C).
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bme680_configure(mySensor, BME680_SETTING_HEATER_TEMP, 300);
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// Set how long the gas sensor's heating element is turned on
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// during a measurement (in milliseconds).
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bme680_configure(mySensor, BME680_SETTING_HEATER_DURATION, 120);
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// Set the low-pass filter used by the sensor. Higher values reduce jitter
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// but decrease accuracy.
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// Available settings are: BME680_FILTER_SIZE_1, BME680_FILTER_SIZE_3,
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// BME680_FILTER_SIZE_7, BME680_FILTER_SIZE_15, BME680_FILTER_SIZE_31.
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bme680_configure(mySensor, BME680_SETTING_FILTER_SIZE, BME680_FILTER_SIZE_15);
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// Set the oversample (number of samples taken per measurement)
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// for the temperature sensor.
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// Available settings are: BME680_OS_1X, BME680_OS_2X, BME680_OS_4X
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// BME680_OS_8X, BME680_OS_16X.
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bme680_configure(mySensor, BME680_SETTING_TEMP_SAMPLES, BME680_OS_16X);
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// Set the oversample (number of samples taken per measurement)
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// for the pressure sensor.
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// Available settings are: BME680_OS_1X, BME680_OS_2X, BME680_OS_4X
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// BME680_OS_8X, BME680_OS_16X.
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bme680_configure(mySensor, BME680_SETTING_PRESSURE_SAMPLES, BME680_OS_8X);
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// Set the oversample (number of samples taken per measurement)
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// for the humidity sensor.
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// Available settings are: BME680_OS_1X, BME680_OS_2X, BME680_OS_4X
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// BME680_OS_8X, BME680_OS_16X.
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bme680_configure(mySensor, BME680_SETTING_HUMIDITY_SAMPLES, BME680_OS_4X);
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while(1) {
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// Read the sensor
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char rslt = bme680_readSensor(mySensor);
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// Make sure the reading is available and valid
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if (rslt >= 0) {
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// Print the last read temaperature in CELSIUS (FAHRENHEIT and KELVIN are also options)
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print("Temperature: %.2f deg C\r", bme680_temperature(mySensor, CELSIUS));
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// Print the last read pressure in hPa (PASCALS divided by 100), (INHG, MMHG, and PSI are also options)
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print("Pressure: %.2f hPa\r", bme680_pressure(mySensor, PASCALS) / 100.0);
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// Print an estimate of the altitude, based on the last read pressure
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// in METERS, (FEET are also options)
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print("Altitude: %.2f m\r", bme680_altitude(mySensor, METERS));
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// Print the last read relative humidity
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print("Humidity: %.2f%%\r", bme680_humidity(mySensor));
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// Print the last read gas sensor resistance value in kOhm (returns Ohms, then divide by 100)
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print("Gas Resistance: %.2f kOhms\r\r", bme680_gasResistance(mySensor) / 1000.0);
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} else {
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print("No reading available\r\r");
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}
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// Wait 3 seconds before taking another reading.
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// Reading the sensor more frequently with the gas
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// sensor's heating element ON can cause the
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// temperature and humidity readings to be skewed.
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pause(3000);
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}
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}
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/**
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* TERMS OF USE: MIT License
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
111+
* to deal in the Software without restriction, including without limitation
112+
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
113+
* and/or sell copies of the Software, and to permit persons to whom the
114+
* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
117+
* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
121+
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
122+
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
123+
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
124+
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/

‎Learn/Examples/Devices/Sensor/Air Quality BME680/bme680_adjust_sensor_settings.side

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bme680_adjust_sensor_settings.c
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>compiler=C
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>memtype=cmm main ram compact
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>optimize=-Os
5+
>-m32bit-doubles
6+
>-fno-exceptions
7+
>defs::-std=c99
8+
>-lm
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>BOARD::ACTIVITYBOARD

‎Learn/Examples/Devices/Sensor/Air Quality BME680/bme680_display_values_using_SPI.c

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/**
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* @file bme680_display_values_using_SPI.c
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*
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* @author Matthew Matz
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*
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* @version 0.5
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*
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* @copyright
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* Copyright (C) Parallax, Inc. 2019. All Rights MIT Licensed.
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*
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* @brief Sensor driver for the Bosch BME680 air quality sensor.
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* This library supports i2c and 4-wire SPI connections, reads
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* temperature, pressure, relative humidity, and VOC levels, and
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* provides limited support for adjusting the sensors settings.
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*/
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#include "simpletools.h" // Include simple tools
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#include "bme680.h"
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bme680 *mySensor; // Create a new sensor instance
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int main() {
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// Open the sensor using an SPI interface
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// SDO, CLK, SDI, CS
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mySensor = bme680_openSPI(20, 21, 22, 23);
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while(1) {
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// Read the sensor
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char rslt = bme680_readSensor(mySensor);
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// Make sure the reading is available and valid
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if (rslt >= 0) {
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// Print the last read temaperature in CELSIUS (FAHRENHEIT and KELVIN are also options)
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print("Temperature: %.2f deg C\r", bme680_temperature(mySensor, CELSIUS));
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// Print the last read pressure in hPa (PASCALS divided by 100), (INHG, MMHG, and PSI are also options)
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print("Pressure: %.2f hPa\r", bme680_pressure(mySensor, PASCALS) / 100.0);
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// Print an estimate of the altitude, based on the last read pressure
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// in METERS, (FEET are also options)
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print("Altitude: %.2f m\r", bme680_altitude(mySensor, METERS));
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// Print the last read relative humidity
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print("Humidity: %.2f%%\r", bme680_humidity(mySensor));
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// Print the last read gas sensor resistance value in kOhm (returns Ohms, then divide by 100)
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print("Gas Resistance: %.2f kOhms\r\r", bme680_gasResistance(mySensor) / 1000.0);
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} else {
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print("No reading available\r\r");
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}
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// Wait 3 seconds before taking another reading.
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// Reading the sensor more frequently with the gas
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// sensor's heating element ON can cause the
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// temperature and humidity readings to be skewed.
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pause(3000);
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}
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}
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/**
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* TERMS OF USE: MIT License
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
71+
* copy of this software and associated documentation files (the "Software"),
72+
* to deal in the Software without restriction, including without limitation
73+
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
74+
* and/or sell copies of the Software, and to permit persons to whom the
75+
* Software is furnished to do so, subject to the following conditions:
76+
*
77+
* The above copyright notice and this permission notice shall be included in
78+
* all copies or substantial portions of the Software.
79+
*
80+
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
81+
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
82+
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
83+
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
84+
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
85+
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
86+
* DEALINGS IN THE SOFTWARE.
87+
*/

‎Learn/Examples/Devices/Sensor/Air Quality BME680/bme680_display_values_using_SPI.side

+9
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bme680_display_values_using_SPI.c
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>compiler=C
3+
>memtype=cmm main ram compact
4+
>optimize=-Os
5+
>-m32bit-doubles
6+
>-fno-exceptions
7+
>defs::-std=c99
8+
>-lm
9+
>BOARD::ACTIVITYBOARD

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