Diff: aconnoHelpers/aconnoHelpers.cpp

Revision:

0:442d98af8cc7

Child:

3:b62a73dc76b7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/aconnoHelpers/aconnoHelpers.cpp	Wed Dec 12 19:28:16 2018 +0100
@@ -0,0 +1,195 @@
+/**
+ * Made by Jurica @ aconno
+ * jurica@aconno.de
+ * More info @ aconno.de
+ */
+
+#include "mbed.h"
+#include "ble/BLE.h"
+#include "acd52832_bsp.h"
+#include "GapAdvertisingData.h"
+#include "Si7006A20.h"
+#include "LSM9DS1.h"
+#include "math.h"
+#include "adc52832_common/utilities.h"
+#include "MPL115A1.h"
+#include "acd_nrf52_saadc.h"
+#include "aconnoConfig.h"
+
+NRF52_SAADC analogIn;
+extern DigitalOut lightPower;
+extern DigitalOut temperaturePower;
+extern DigitalOut shdn;
+extern DigitalOut power;
+Si7006   *si;
+extern LSM9DS1  *mems;
+vector3_s memsAccelerometerInit;
+vector3_s memsGyroscopeInit;
+vector3_s memsMagnetometerInit;
+extern GapAdvertisingData adv_data;
+extern advertising_packet advertisementPacket;
+DigitalOut cs(p7);
+
+float getLight(){
+    return ((float)analogIn.getData()[1])/ADC_RESOLUTION * VALUE_TO_PERCENTAGE;
+}
+
+float voltage2temp(float vOut){
+    return ((float)vOut - (float)V0)/((float)TC);
+}
+
+float getTemperature(){
+    return voltage2temp(((float)analogIn.getData()[2])/ADC_RESOLUTION * (float)VCC);
+}
+
+uint8_t getBattery(){
+    uint16_t batteryVoltage = analogIn.getData()[0];
+    
+    const uint16_t zero_percent_limit = 739;
+    const uint16_t onehundred_percent_limit = 810;
+    const uint16_t percentage_increments = 5;
+    uint8_t percentage;
+    
+    if (batteryVoltage < zero_percent_limit)
+    {
+        percentage = 0;
+    }
+    else if(batteryVoltage > onehundred_percent_limit)
+    {
+        percentage = 100;
+    }
+    else
+    {
+        batteryVoltage -= zero_percent_limit;
+        percentage = (batteryVoltage*100)/(onehundred_percent_limit - zero_percent_limit);
+        percentage = percentage/percentage_increments*percentage_increments;
+    }
+    
+    return percentage;
+}
+
+float getHumidity(){
+    float result;
+    si->getHumidity(&result);
+    return result;
+}
+
+void readGyroscope(vector3_s *gyroscopeData){
+    mems->readGyroscope((int16_t *)gyroscopeData);
+    *gyroscopeData -= memsGyroscopeInit;
+}
+
+void readAccelerometer(vector3_s *accelerometerData){
+    mems->readAccelerometer((int16_t *)accelerometerData);
+    *accelerometerData -= memsAccelerometerInit;
+}
+
+void readMagnetometer(vector3_s *magnetometerData){
+    mems->readMagnetometer((int16_t *)magnetometerData);
+    *magnetometerData -= memsMagnetometerInit;
+}
+
+void calibrateAccelerometer(){
+    vector3_s accelerometerData;
+    for(uint8_t counter = 0; counter < CALIBRATION_STEPS; ++counter){
+        readAccelerometer(&accelerometerData);
+        memsAccelerometerInit += accelerometerData;
+    }
+    memsAccelerometerInit /= CALIBRATION_STEPS;
+}
+
+void calibrateGyroscope(){
+    vector3_s gyroscopeData;
+    for(uint8_t counter = 0; counter < CALIBRATION_STEPS; ++counter){
+        readGyroscope(&gyroscopeData);
+        memsGyroscopeInit += gyroscopeData;
+    }
+    memsGyroscopeInit /= CALIBRATION_STEPS;
+}
+
+void calibrateMag(){
+    vector3_s magnetometerData;
+    for(uint8_t counter = 0; counter < CALIBRATION_STEPS; ++counter){
+        readMagnetometer(&magnetometerData);
+        memsMagnetometerInit += magnetometerData;
+    }
+    memsMagnetometerInit /= CALIBRATION_STEPS;
+}
+
+void disableI2C()
+{
+    
+    NRF_TWI0->ENABLE = 0;
+    NRF_TWI0->PSELSCL = 0xFFFFFFFF;
+    NRF_TWI1->ENABLE = 0;
+    NRF_TWI1->PSELSCL = 0xFFFFFFFF;
+    NRF_TWIM0->ENABLE = 0;
+    NRF_TWIM0->PSEL.SCL = 0x80000000;
+    NRF_TWIM0->PSEL.SDA = 0x80000000;
+    NRF_TWIM1->ENABLE = 0;
+    NRF_TWIM0->PSEL.SCL = 0x80000000;
+    NRF_TWIM0->PSEL.SDA = 0x80000000;
+    
+    //foo = new DigitalOut(I2C_DATA);
+    //bar = new DigitalOut(I2C_CLK);
+    
+    //foo = 1;
+    //bar = 1;
+   
+}
+
+void updateData()
+{
+    static uint8_t advertisementType = 0;
+    int16_t temp_acc[3];
+    BLE &ble = BLE::Instance();
+
+    I2C i2c(I2C_DATA, I2C_CLK);   
+    si = new Si7006(&i2c);
+    SPI spi(SPI_MOSI, SPI_MISO, SPI_SCLK);
+    MPL115A1 mpl115a1(spi, cs);
+    
+    float result;
+    
+    NRF_SAADC->ENABLE = 1;
+    power = 1;
+    temperaturePower = 1;
+    lightPower = 1;
+    shdn = 1;
+    analogIn.addChannel(9); // Set VDD  as source to SAADC
+    analogIn.addChannel(6); // Light
+    analogIn.addChannel(7); // Temp
+    analogIn.calibrate();
+    wait_ms(WAKEUP_TIME_DELAY_MS);
+
+    analogIn.updateData();
+
+    advertisementPacket.type = 0x01;
+    advertisementPacket.temperature = getTemperature();
+    advertisementPacket.light       = getLight();
+    advertisementPacket.humidity    = getHumidity();
+    advertisementPacket.pressure    = mpl115a1.getPressure();
+
+    //disableI2C();
+    //I2C dummy(I2C_DATA, I2C_CLK);
+    
+    SPI dummySpi(SPI_MOSI, SPI_MISO, SPI_SCLK);
+    power = 0;
+    shdn = 0;
+    temperaturePower = 0;
+    lightPower = 0;
+    NRF_SAADC->ENABLE = 0;
+
+    
+    //DigitalOut foo(I2C_DATA);
+    //DigitalOut bar(I2C_CLK);
+    //foo = 1;
+    //bar = 1; 
+    
+    if(++advertisementType > 2) advertisementType = 0;    
+    adv_data = ble.gap().getAdvertisingPayload();
+    adv_data.updateData(adv_data.MANUFACTURER_SPECIFIC_DATA, (uint8_t *)&advertisementPacket, sizeof(advertisementPacket));
+    ble.gap().setAdvertisingPayload(adv_data);
+
+    //printf("Data updated.\r\n");
+}
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