Revision 0:5d88688340fc, committed 2020-06-22

Comitter:

darkseb

Date:

Mon Jun 22 14:16:28 2020 +0000

Commit message:

Code_capteur-APDS9960_ecran-STM32F746G-DISCO

Changed in this revision

diff -r 000000000000 -r 5d88688340fc .hgignore
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.hgignore	Mon Jun 22 14:16:28 2020 +0000
@@ -0,0 +1,2 @@
+BUILD
+mbed-os/

diff -r 000000000000 -r 5d88688340fc Adafruit_APDS9960.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Adafruit_APDS9960.cpp	Mon Jun 22 14:16:28 2020 +0000
@@ -0,0 +1,768 @@
+/*!
+ *  @file Adafruit_APDS9960.cpp
+ *
+ *  @mainpage Adafruit APDS9960 Proximity, Light, RGB, and Gesture Sensor
+ *
+ *  @section author Author
+ *
+ *  Ladyada, Dean Miller (Adafruit Industries)
+ *
+ *  @section license License
+ *
+ *  Software License Agreement (BSD License)
+ *
+ *  Copyright (c) 2017, Adafruit Industries
+ *  All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions are met:
+ *  1. Redistributions of source code must retain the above copyright
+ *  notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *  notice, this list of conditions and the following disclaimer in the
+ *  documentation and/or other materials provided with the distribution.
+ *  3. Neither the name of the copyright holders nor the
+ *  names of its contributors may be used to endorse or promote products
+ *  derived from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+ *  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+ *  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ *  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef __AVR
+#include <avr/pgmspace.h>
+#elif defined(ESP8266)
+#include <pgmspace.h>
+#endif
+#include <math.h>
+#include <stdlib.h>
+
+#include "Adafruit_APDS9960.h"
+
+/*!
+ *  @brief  Implements missing powf function
+ *  @param  x
+ *          Base number
+ *  @param  y
+ *          Exponent
+ *  @return x raised to the power of y
+ */
+ /*
+float powf(const float x, const float y) {
+  return (float)(pow((double)x, (double)y));
+}
+*/
+
+/*!
+ *  @brief  Enables the device
+ *          Disables the device (putting it in lower power sleep mode)
+ *  @param  en
+ *          Enable (True/False)
+ */
+void Adafruit_APDS9960::enable(boolean en) {
+  _enable.PON = en;
+  this->write8(APDS9960_ENABLE, _enable.get());
+}
+
+/*!
+ *  @brief  Initializes I2C and configures the sensor
+ *  @param  iTimeMS
+ *          Integration time
+ *  @param  aGain
+ *          Gain
+ *  @param  addr
+ *          I2C address
+ *  @param  *theWire
+ *          Wire object
+ *  @return True if initialization was successful, otherwise false.
+ */
+boolean Adafruit_APDS9960::begin(I2C *theWire, uint16_t iTimeMS, apds9960AGain_t aGain,
+                                 uint8_t addr) {
+  _wire = theWire;
+  _i2c_init();
+  _i2caddr = addr;
+
+  /* Make sure we're actually connected */
+  uint8_t x = read8(APDS9960_ID);
+  if (x != 0xAB) {
+    return false;
+    _pc->printf("TESTCPP %d", x);
+  }
+
+  /* Set default integration time and gain */
+  setADCIntegrationTime(iTimeMS);
+  setADCGain(aGain);
+
+  // disable everything to start
+  enableGesture(false);
+  enableProximity(false);
+  enableColor(false);
+
+  disableColorInterrupt();
+  disableProximityInterrupt();
+  clearInterrupt();
+
+  /* Note: by default, the device is in power down mode on bootup */
+  enable(false);
+  wait_us(10000);
+  enable(true);
+  wait_us(10000);
+
+  // default to all gesture dimensions
+  setGestureDimensions(APDS9960_DIMENSIONS_ALL);
+  setGestureFIFOThreshold(APDS9960_GFIFO_4);
+  setGestureGain(APDS9960_GGAIN_4);
+  setGestureProximityThreshold(50);
+  resetCounts();
+
+  _gpulse.GPLEN = APDS9960_GPULSE_32US;
+  _gpulse.GPULSE = 9; // 10 pulses
+  this->write8(APDS9960_GPULSE, _gpulse.get());
+
+  return true;
+}
+
+/*!
+ *  @brief  Sets the integration time for the ADC of the APDS9960, in millis
+ *  @param  iTimeMS
+ *          Integration time
+ */
+void Adafruit_APDS9960::setADCIntegrationTime(uint16_t iTimeMS) {
+  float temp;
+
+  // convert ms into 2.78ms increments
+  temp = iTimeMS;
+  temp /= 2.78;
+  temp = 256 - temp;
+  if (temp > 255)
+    temp = 255;
+  if (temp < 0)
+    temp = 0;
+
+  /* Update the timing register */
+  write8(APDS9960_ATIME, (uint8_t)temp);
+}
+
+/*!
+ *  @brief  Returns the integration time for the ADC of the APDS9960, in millis
+ *  @return Integration time
+ */
+float Adafruit_APDS9960::getADCIntegrationTime() {
+  float temp;
+
+  temp = read8(APDS9960_ATIME);
+
+  // convert to units of 2.78 ms
+  temp = 256 - temp;
+  temp *= 2.78;
+  return temp;
+}
+
+/*!
+ *  @brief  Adjusts the color/ALS gain on the APDS9960 (adjusts the sensitivity
+ *          to light)
+ *  @param  aGain
+ *          Gain
+ */
+void Adafruit_APDS9960::setADCGain(apds9960AGain_t aGain) {
+  _control.AGAIN = aGain;
+
+  /* Update the timing register */
+  write8(APDS9960_CONTROL, _control.get());
+}
+
+/*!
+ *  @brief  Returns the ADC gain
+ *  @return ADC gain
+ */
+apds9960AGain_t Adafruit_APDS9960::getADCGain() {
+  return (apds9960AGain_t)(read8(APDS9960_CONTROL) & 0x03);
+}
+
+/*!
+ *  @brief  Adjusts the Proximity gain on the APDS9960
+ *  @param  pGain
+ *          Gain
+ */
+void Adafruit_APDS9960::setProxGain(apds9960PGain_t pGain) {
+  _control.PGAIN = pGain;
+
+  /* Update the timing register */
+  write8(APDS9960_CONTROL, _control.get());
+}
+
+/*!
+ *  @brief  Returns the Proximity gain on the APDS9960
+ *  @return Proxmity gain
+ */
+apds9960PGain_t Adafruit_APDS9960::getProxGain() {
+  return (apds9960PGain_t)(read8(APDS9960_CONTROL) & 0x0C);
+}
+
+/*!
+ *  @brief  Sets number of proxmity pulses
+ *  @param  pLen
+ *          Pulse Length
+ *  @param  pulses
+ *          Number of pulses
+ */
+void Adafruit_APDS9960::setProxPulse(apds9960PPulseLen_t pLen, uint8_t pulses) {
+  if (pulses < 1)
+    pulses = 1;
+  if (pulses > 64)
+    pulses = 64;
+  pulses--;
+
+  _ppulse.PPLEN = pLen;
+  _ppulse.PPULSE = pulses;
+
+  write8(APDS9960_PPULSE, _ppulse.get());
+}
+
+/*!
+ *  @brief  Enable proximity readings on APDS9960
+ *  @param  en
+ *          Enable (True/False)
+ */
+void Adafruit_APDS9960::enableProximity(boolean en) {
+  _enable.PEN = en;
+
+  write8(APDS9960_ENABLE, _enable.get());
+}
+
+/*!
+ *  @brief  Enable proximity interrupts
+ */
+void Adafruit_APDS9960::enableProximityInterrupt() {
+  _enable.PIEN = 1;
+  write8(APDS9960_ENABLE, _enable.get());
+  clearInterrupt();
+}
+
+/*!
+ *  @brief  Disable proximity interrupts
+ */
+void Adafruit_APDS9960::disableProximityInterrupt() {
+  _enable.PIEN = 0;
+  write8(APDS9960_ENABLE, _enable.get());
+}
+
+/*!
+ *  @brief  Set proxmity interrupt thresholds
+ *  @param  low
+ *          Low threshold
+ *  @param  high
+ *          High threshold
+ *  @param  persistance
+ *          Persistance
+ */
+void Adafruit_APDS9960::setProximityInterruptThreshold(uint8_t low,
+                                                       uint8_t high,
+                                                       uint8_t persistance) {
+  write8(APDS9960_PILT, low);
+  write8(APDS9960_PIHT, high);
+
+  if (persistance > 7)
+    persistance = 7;
+  _pers.PPERS = persistance;
+  write8(APDS9960_PERS, _pers.get());
+}
+
+/*!
+ *  @brief  Returns proxmity interrupt status
+ *  @return True if enabled, false otherwise.
+ */
+bool Adafruit_APDS9960::getProximityInterrupt() {
+  _status.set(this->read8(APDS9960_STATUS));
+  return _status.PINT;
+};
+
+/*!
+ *  @brief  Read proximity data
+ *  @return Proximity
+ */
+uint8_t Adafruit_APDS9960::readProximity() { return read8(APDS9960_PDATA); }
+
+/*!
+ *  @brief  Returns validity status of a gesture
+ *  @return Status (True/False)
+ */
+bool Adafruit_APDS9960::gestureValid() {
+  _gstatus.set(this->read8(APDS9960_GSTATUS));
+  return _gstatus.GVALID;
+}
+
+/*!
+ *  @brief  Sets gesture dimensions
+ *  @param  dims
+ *          Dimensions (APDS9960_DIMENSIONS_ALL, APDS9960_DIMENSIONS_UP_DOWM,
+ *          APDS9960_DIMENSIONS_UP_DOWN, APGS9960_DIMENSIONS_LEFT_RIGHT)
+ */
+void Adafruit_APDS9960::setGestureDimensions(uint8_t dims) {
+  _gconf3.GDIMS = dims;
+  this->write8(APDS9960_GCONF3, _gconf3.get());
+}
+
+/*!
+ *  @brief  Sets gesture FIFO Threshold
+ *  @param  thresh
+ *          Threshold (APDS9960_GFIFO_1, APDS9960_GFIFO_4, APDS9960_GFIFO_8,
+ *          APDS9960_GFIFO_16)
+ */
+void Adafruit_APDS9960::setGestureFIFOThreshold(uint8_t thresh) {
+  _gconf1.GFIFOTH = thresh;
+  this->write8(APDS9960_GCONF1, _gconf1.get());
+}
+
+/*!
+ *  @brief  Sets gesture sensor gain
+ *  @param  gain
+ *          Gain (APDS9960_GAIN_1, APDS9960_GAIN_2, APDS9960_GAIN_4,
+ *          APDS9960_GAIN_8)
+ */
+void Adafruit_APDS9960::setGestureGain(uint8_t gain) {
+  _gconf2.GGAIN = gain;
+  this->write8(APDS9960_GCONF2, _gconf2.get());
+}
+
+/*!
+ *  @brief  Sets gesture sensor threshold
+ *  @param  thresh
+ *          Threshold
+ */
+void Adafruit_APDS9960::setGestureProximityThreshold(uint8_t thresh) {
+  this->write8(APDS9960_GPENTH, thresh);
+}
+
+/*!
+ *  @brief  Sets gesture sensor offset
+ *  @param  offset_up
+ *          Up offset
+ *  @param  offset_down
+ *          Down offset
+ *  @param  offset_left
+ *          Left offset
+ *  @param  offset_right
+ *          Right offset
+ */
+void Adafruit_APDS9960::setGestureOffset(uint8_t offset_up, uint8_t offset_down,
+                                         uint8_t offset_left,
+                                         uint8_t offset_right) {
+  this->write8(APDS9960_GOFFSET_U, offset_up);
+  this->write8(APDS9960_GOFFSET_D, offset_down);
+  this->write8(APDS9960_GOFFSET_L, offset_left);
+  this->write8(APDS9960_GOFFSET_R, offset_right);
+}
+
+/*!
+ *  @brief  Enable gesture readings on APDS9960
+ *  @param  en
+ *          Enable (True/False)
+ */
+void Adafruit_APDS9960::enableGesture(boolean en) {
+  if (!en) {
+    _gconf4.GMODE = 0;
+    write8(APDS9960_GCONF4, _gconf4.get());
+  }
+  _enable.GEN = en;
+  write8(APDS9960_ENABLE, _enable.get());
+  resetCounts();
+}
+
+/*!
+ *  @brief  Resets gesture counts
+ */
+void Adafruit_APDS9960::resetCounts() {
+  gestCnt = 0;
+  UCount = 0;
+  DCount = 0;
+  LCount = 0;
+  RCount = 0;
+}
+
+/*!
+ *  @brief  Reads gesture
+ *  @return Received gesture (APDS9960_DOWN APDS9960_UP, APDS9960_LEFT
+ *          APDS9960_RIGHT)
+ */
+uint8_t Adafruit_APDS9960::readGesture() {
+  uint8_t toRead;
+  uint8_t buf[256];
+  unsigned long t = 0;
+  uint8_t gestureReceived;
+  while (1) {
+    int up_down_diff = 0;
+    int left_right_diff = 0;
+    gestureReceived = 0;
+    if (!gestureValid())
+      return 0;
+
+    wait_us(30000);
+    toRead = this->read8(APDS9960_GFLVL);
+
+    // produces sideffects needed for readGesture to work
+    this->read(APDS9960_GFIFO_U, buf, toRead);
+
+    if (abs((int)buf[0] - (int)buf[1]) > 13)
+      up_down_diff += (int)buf[0] - (int)buf[1];
+
+    if (abs((int)buf[2] - (int)buf[3]) > 13)
+      left_right_diff += (int)buf[2] - (int)buf[3];
+
+    if (up_down_diff != 0) {
+      if (up_down_diff < 0) {
+        if (DCount > 0) {
+          gestureReceived = APDS9960_UP;
+        } else
+          UCount++;
+      } else if (up_down_diff > 0) {
+        if (UCount > 0) {
+          gestureReceived = APDS9960_DOWN;
+        } else
+          DCount++;
+      }
+    }
+
+    if (left_right_diff != 0) {
+      if (left_right_diff < 0) {
+        if (RCount > 0) {
+          gestureReceived = APDS9960_LEFT;
+        } else
+          LCount++;
+      } else if (left_right_diff > 0) {
+        if (LCount > 0) {
+          gestureReceived = APDS9960_RIGHT;
+        } else
+          RCount++;
+      }
+    }
+
+
+    if (up_down_diff != 0 || left_right_diff != 0){
+      t = clock_ms(); 
+      }
+
+    if (gestureReceived || clock_ms() - t > 300) {
+      resetCounts();
+      return gestureReceived;
+    }
+    
+  }
+}
+
+/*!
+ *  @brief  Set LED brightness for proximity/gesture
+ *  @param  drive
+ *          LED Drive
+ *  @param  boost
+ *          LED Boost
+ */
+void Adafruit_APDS9960::setLED(apds9960LedDrive_t drive,
+                               apds9960LedBoost_t boost) {
+  // set BOOST
+  _config2.LED_BOOST = boost;
+  write8(APDS9960_CONFIG2, _config2.get());
+
+  _control.LDRIVE = drive;
+  write8(APDS9960_CONTROL, _control.get());
+}
+
+/*!
+ *  @brief  Enable color readings on APDS9960
+ *  @param  en
+ *          Enable (True/False)
+ */
+void Adafruit_APDS9960::enableColor(boolean en) {
+  _enable.AEN = en;
+  write8(APDS9960_ENABLE, _enable.get());
+}
+
+/*!
+ *  @brief  Returns status of color data
+ *  @return True if color data ready, False otherwise
+ */
+bool Adafruit_APDS9960::colorDataReady() {
+  _status.set(this->read8(APDS9960_STATUS));
+  return _status.AVALID;
+}
+
+/*!
+ *  @brief  Reads the raw red, green, blue and clear channel values
+ *  @param  *r
+ *          Red value
+ *  @param  *g
+ *          Green value
+ *  @param  *b
+ *          Blue value
+ *  @param  *c
+ *          Clear channel value
+ */
+void Adafruit_APDS9960::getColorData(uint16_t *r, uint16_t *g, uint16_t *b,
+                                     uint16_t *c) {
+
+  *c = read16R(APDS9960_CDATAL);
+  *r = read16R(APDS9960_RDATAL);
+  *g = read16R(APDS9960_GDATAL);
+  *b = read16R(APDS9960_BDATAL);
+}
+
+/*!
+ *  @brief  Converts the raw R/G/B values to color temperature in degrees Kelvin
+ *  @param  r
+ *          Red value
+ *  @param  g
+ *          Green value
+ *  @param  b
+ *          Blue value
+ *  @return Color temperature
+ */
+uint16_t Adafruit_APDS9960::calculateColorTemperature(uint16_t r, uint16_t g,
+                                                      uint16_t b) {
+  float X, Y, Z; /* RGB to XYZ correlation      */
+  float xc, yc;  /* Chromaticity co-ordinates   */
+  float n;       /* McCamy's formula            */
+  float cct;
+
+  /* 1. Map RGB values to their XYZ counterparts.    */
+  /* Based on 6500K fluorescent, 3000K fluorescent   */
+  /* and 60W incandescent values for a wide range.   */
+  /* Note: Y = Illuminance or lux                    */
+  X = (-0.14282F * r) + (1.54924F * g) + (-0.95641F * b);
+  Y = (-0.32466F * r) + (1.57837F * g) + (-0.73191F * b);
+  Z = (-0.68202F * r) + (0.77073F * g) + (0.56332F * b);
+
+  /* 2. Calculate the chromaticity co-ordinates      */
+  xc = (X) / (X + Y + Z);
+  yc = (Y) / (X + Y + Z);
+
+  /* 3. Use McCamy's formula to determine the CCT    */
+  n = (xc - 0.3320F) / (0.1858F - yc);
+
+  /* Calculate the final CCT */
+  cct =
+      (449.0F * powf(n, 3)) + (3525.0F * powf(n, 2)) + (6823.3F * n) + 5520.33F;
+
+  /* Return the results in degrees Kelvin */
+  return (uint16_t)cct;
+}
+
+/*!
+ *  @brief  Calculate ambient light values
+ *  @param  r
+ *          Red value
+ *  @param  g
+ *          Green value
+ *  @param  b
+ *          Blue value
+ *  @return LUX value
+ */
+uint16_t Adafruit_APDS9960::calculateLux(uint16_t r, uint16_t g, uint16_t b) {
+  float illuminance;
+
+  /* This only uses RGB ... how can we integrate clear or calculate lux */
+  /* based exclusively on clear since this might be more reliable?      */
+  illuminance = (-0.32466F * r) + (1.57837F * g) + (-0.73191F * b);
+
+  return (uint16_t)illuminance;
+}
+
+/*!
+ *  @brief  Enables color interrupt
+ */
+void Adafruit_APDS9960::enableColorInterrupt() {
+  _enable.AIEN = 1;
+  write8(APDS9960_ENABLE, _enable.get());
+}
+
+/*!
+ *  @brief  Disables color interrupt
+ */
+void Adafruit_APDS9960::disableColorInterrupt() {
+  _enable.AIEN = 0;
+  write8(APDS9960_ENABLE, _enable.get());
+}
+
+/*!
+ *  @brief  Clears interrupt
+ */
+void Adafruit_APDS9960::clearInterrupt() {
+  this->write(APDS9960_AICLEAR, NULL, 0);
+}
+
+/*!
+ *  @brief  Sets interrupt limits
+ *  @param  low
+ *          Low limit
+ *  @param  high
+ *          High limit
+ */
+void Adafruit_APDS9960::setIntLimits(uint16_t low, uint16_t high) {
+  write8(APDS9960_AILTIL, low & 0xFF);
+  write8(APDS9960_AILTH, low >> 8);
+  write8(APDS9960_AIHTL, high & 0xFF);
+  write8(APDS9960_AIHTH, high >> 8);
+}
+
+/*!
+ *  @brief  Writes specified value to given register
+ *  @param  reg
+ *          Register to write to
+ *  @param  value
+ *          Value to write
+ */
+void Adafruit_APDS9960::write8(byte reg, byte value) {
+  this->write(reg, &value, 1);
+}
+
+/*!
+ *  @brief  Reads 8 bits from specified register
+ *  @param  reg
+ *          Register to write to
+ *  @return Value in register
+ */
+uint8_t Adafruit_APDS9960::read8(byte reg) {
+  uint8_t ret;
+  this->read(reg, &ret, 1);
+
+  return ret;
+}
+
+/*!
+ *  @brief  Reads 32 bits from specified register
+ *  @param  reg
+ *          Register to write to
+ *  @return Value in register
+ */
+uint32_t Adafruit_APDS9960::read32(uint8_t reg) {
+  uint8_t ret[4];
+  uint32_t ret32;
+  this->read(reg, ret, 4);
+  ret32 = ret[3];
+  ret32 |= (uint32_t)ret[2] << 8;
+  ret32 |= (uint32_t)ret[1] << 16;
+  ret32 |= (uint32_t)ret[0] << 24;
+  return ret32;
+}
+
+/*!
+ *  @brief  Reads 16 bites from specified register
+ *  @param  reg
+ *          Register to write to
+ *  @return Value in register
+ */
+uint16_t Adafruit_APDS9960::read16(uint8_t reg) {
+  uint8_t ret[2];
+  this->read(reg, ret, 2);
+
+  return (ret[0] << 8) | ret[1];
+}
+
+/*!
+ *  @brief  Reads 16 bites from specified register
+ *  @param  reg
+ *          Register to write to
+ *  @return Value in register
+ */
+uint16_t Adafruit_APDS9960::read16R(uint8_t reg) {
+  uint8_t ret[2];
+  this->read(reg, ret, 2);
+
+  return (ret[1] << 8) | ret[0];
+}
+
+/*!
+ *  @brief  Begins I2C communication
+ */
+void Adafruit_APDS9960::_i2c_init() {
+    //_wire->begin();  // on mbed, we are already master if using the I2C class instead of I2CSlave class
+}
+
+/*!
+ *  @brief  Reads num bytes from specified register into a given buffer
+ *  @param  reg
+ *          Register
+ *  @param  *buf
+ *          Buffer
+ *  @param  num
+ *          Number of bytes
+ *  @return Position after reading
+ */
+uint8_t Adafruit_APDS9960::read(uint8_t reg, uint8_t *buf, uint8_t num) {
+  uint8_t pos = 0;
+  bool eof = false;
+
+  // on arduino we need to read in 32 byte chunks
+  //while (pos < num && !eof) {
+
+    //uint8_t read_now = min(32, num - pos);
+    /*
+    _wire->beginTransmission((uint8_t)_i2caddr);
+    _wire->write((uint8_t)reg + pos);
+    _wire->endTransmission();
+
+    _wire->requestFrom((uint8_t)_i2caddr, read_now);
+    */
+    
+    //_wire->start();
+    //_wire->write((uint8_t)_i2caddr);
+    //_wire->write((uint8_t)reg);
+    //_wire->stop();
+    
+    _wire->write((uint8_t)_i2caddr, (char *)&reg, 1, true);
+    
+    _wire->read((uint8_t)_i2caddr, (char *) buf, num);
+    
+    
+/*
+    for (int i = 0; i < read_now; i++) {
+      if (!_wire->available()) {
+        eof = true;
+        break;
+      }
+      buf[pos] = _wire->read();
+      pos++;
+    }
+    */
+  //}
+  
+  return num;
+}
+
+/*!
+ *  @brief  Writes num bytes from specified buffer into a given register
+ *  @param  reg
+ *          Register
+ *  @param  *buf
+ *          Buffer
+ *  @param  num
+ *          Number of bytes
+ */
+void Adafruit_APDS9960::write(uint8_t reg, uint8_t *buf, uint8_t num) {
+  /*
+  _wire->beginTransmission((uint8_t)_i2caddr);
+  _wire->write((uint8_t)reg);
+  _wire->write((uint8_t *)buf, num);
+  _wire->endTransmission();
+  */
+  
+  _wire->start();
+  _wire->write((uint8_t)_i2caddr);
+  _wire->write((uint8_t)reg);
+  
+  for(int i=0; i < num; i++){ // on parcours le "tableau" buf
+    uint8_t value = *(buf+i); // on récupere la valeur à l'emplacement "i" du tableau
+    _wire->write(value); // j'écris la valeur du tableau à l'emplacement "i" sur le bus i2c.
+  }
+  
+  _wire->stop();
+  
+  
+}
\ No newline at end of file

diff -r 000000000000 -r 5d88688340fc Adafruit_APDS9960.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Adafruit_APDS9960.h	Mon Jun 22 14:16:28 2020 +0000
@@ -0,0 +1,535 @@
+/*!
+ *  @file Adafruit_APDS9960.h
+ *
+ *  Software License Agreement (BSD License)
+ *
+ *  Copyright (c) 2017, Adafruit Industries
+ *  All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions are met:
+ *  1. Redistributions of source code must retain the above copyright
+ *  notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *  notice, this list of conditions and the following disclaimer in the
+ *  documentation and/or other materials provided with the distribution.
+ *  3. Neither the name of the copyright holders nor the
+ *  names of its contributors may be used to endorse or promote products
+ *  derived from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+ *  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+ *  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ *  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef _APDS9960_H_
+#define _APDS9960_H_
+
+#include "mbed.h"
+#include "Clock.h"
+
+typedef bool boolean;
+typedef uint8_t byte;
+
+#define APDS9960_ADDRESS (0x39<<1) /**< I2C Address */
+
+/** I2C Registers */
+enum {
+  APDS9960_RAM = 0x00,
+  APDS9960_ENABLE = 0x80,
+  APDS9960_ATIME = 0x81,
+  APDS9960_WTIME = 0x83,
+  APDS9960_AILTIL = 0x84,
+  APDS9960_AILTH = 0x85,
+  APDS9960_AIHTL = 0x86,
+  APDS9960_AIHTH = 0x87,
+  APDS9960_PILT = 0x89,
+  APDS9960_PIHT = 0x8B,
+  APDS9960_PERS = 0x8C,
+  APDS9960_CONFIG1 = 0x8D,
+  APDS9960_PPULSE = 0x8E,
+  APDS9960_CONTROL = 0x8F,
+  APDS9960_CONFIG2 = 0x90,
+  APDS9960_ID = 0x92,
+  APDS9960_STATUS = 0x93,
+  APDS9960_CDATAL = 0x94,
+  APDS9960_CDATAH = 0x95,
+  APDS9960_RDATAL = 0x96,
+  APDS9960_RDATAH = 0x97,
+  APDS9960_GDATAL = 0x98,
+  APDS9960_GDATAH = 0x99,
+  APDS9960_BDATAL = 0x9A,
+  APDS9960_BDATAH = 0x9B,
+  APDS9960_PDATA = 0x9C,
+  APDS9960_POFFSET_UR = 0x9D,
+  APDS9960_POFFSET_DL = 0x9E,
+  APDS9960_CONFIG3 = 0x9F,
+  APDS9960_GPENTH = 0xA0,
+  APDS9960_GEXTH = 0xA1,
+  APDS9960_GCONF1 = 0xA2,
+  APDS9960_GCONF2 = 0xA3,
+  APDS9960_GOFFSET_U = 0xA4,
+  APDS9960_GOFFSET_D = 0xA5,
+  APDS9960_GOFFSET_L = 0xA7,
+  APDS9960_GOFFSET_R = 0xA9,
+  APDS9960_GPULSE = 0xA6,
+  APDS9960_GCONF3 = 0xAA,
+  APDS9960_GCONF4 = 0xAB,
+  APDS9960_GFLVL = 0xAE,
+  APDS9960_GSTATUS = 0xAF,
+  APDS9960_IFORCE = 0xE4,
+  APDS9960_PICLEAR = 0xE5,
+  APDS9960_CICLEAR = 0xE6,
+  APDS9960_AICLEAR = 0xE7,
+  APDS9960_GFIFO_U = 0xFC,
+  APDS9960_GFIFO_D = 0xFD,
+  APDS9960_GFIFO_L = 0xFE,
+  APDS9960_GFIFO_R = 0xFF,
+};
+
+/** ADC gain settings */
+typedef enum {
+  APDS9960_AGAIN_1X = 0x00,  /**< No gain */
+  APDS9960_AGAIN_4X = 0x01,  /**< 2x gain */
+  APDS9960_AGAIN_16X = 0x02, /**< 16x gain */
+  APDS9960_AGAIN_64X = 0x03  /**< 64x gain */
+} apds9960AGain_t;
+
+/** Proxmity gain settings */
+typedef enum {
+  APDS9960_PGAIN_1X = 0x00, /**< 1x gain */
+  APDS9960_PGAIN_2X = 0x04, /**< 2x gain */
+  APDS9960_PGAIN_4X = 0x08, /**< 4x gain */
+  APDS9960_PGAIN_8X = 0x0C  /**< 8x gain */
+} apds9960PGain_t;
+
+/** Pulse length settings */
+typedef enum {
+  APDS9960_PPULSELEN_4US = 0x00,  /**< 4uS */
+  APDS9960_PPULSELEN_8US = 0x40,  /**< 8uS */
+  APDS9960_PPULSELEN_16US = 0x80, /**< 16uS */
+  APDS9960_PPULSELEN_32US = 0xC0  /**< 32uS */
+} apds9960PPulseLen_t;
+
+/** LED drive settings */
+typedef enum {
+  APDS9960_LEDDRIVE_100MA = 0x00, /**< 100mA */
+  APDS9960_LEDDRIVE_50MA = 0x40,  /**< 50mA */
+  APDS9960_LEDDRIVE_25MA = 0x80,  /**< 25mA */
+  APDS9960_LEDDRIVE_12MA = 0xC0   /**< 12.5mA */
+} apds9960LedDrive_t;
+
+/** LED boost settings */
+typedef enum {
+  APDS9960_LEDBOOST_100PCNT = 0x00, /**< 100% */
+  APDS9960_LEDBOOST_150PCNT = 0x10, /**< 150% */
+  APDS9960_LEDBOOST_200PCNT = 0x20, /**< 200% */
+  APDS9960_LEDBOOST_300PCNT = 0x30  /**< 300% */
+} apds9960LedBoost_t;
+
+/** Dimensions */
+enum {
+  APDS9960_DIMENSIONS_ALL = 0x00,        // All dimensions
+  APDS9960_DIMENSIONS_UP_DOWN = 0x01,    // Up/Down dimensions
+  APGS9960_DIMENSIONS_LEFT_RIGHT = 0x02, // Left/Right dimensions
+};
+
+/** FIFO Interrupts */
+enum {
+  APDS9960_GFIFO_1 = 0x00,  // Generate interrupt after 1 dataset in FIFO
+  APDS9960_GFIFO_4 = 0x01,  // Generate interrupt after 2 datasets in FIFO
+  APDS9960_GFIFO_8 = 0x02,  // Generate interrupt after 3 datasets in FIFO
+  APDS9960_GFIFO_16 = 0x03, // Generate interrupt after 4 datasets in FIFO
+};
+
+/** Gesture Gain */
+enum {
+  APDS9960_GGAIN_1 = 0x00, // Gain 1x
+  APDS9960_GGAIN_2 = 0x01, // Gain 2x
+  APDS9960_GGAIN_4 = 0x02, // Gain 4x
+  APDS9960_GGAIN_8 = 0x03, // Gain 8x
+};
+
+/** Pulse Lenghts */
+enum {
+  APDS9960_GPULSE_4US = 0x00,  // Pulse 4us
+  APDS9960_GPULSE_8US = 0x01,  // Pulse 8us
+  APDS9960_GPULSE_16US = 0x02, // Pulse 16us
+  APDS9960_GPULSE_32US = 0x03, // Pulse 32us
+};
+
+#define APDS9960_UP 0x01    /**< Gesture Up */
+#define APDS9960_DOWN 0x02  /**< Gesture Down */
+#define APDS9960_LEFT 0x03  /**< Gesture Left */
+#define APDS9960_RIGHT 0x04 /**< Gesture Right */
+
+/*!
+ *  @brief  Class that stores state and functions for interacting with
+ *          APDS9960 Sensor
+ */
+class Adafruit_APDS9960 {
+public:
+  Adafruit_APDS9960(Serial *serial){_pc=serial;};
+  ~Adafruit_APDS9960(){};
+
+  boolean begin(I2C *theWire, uint16_t iTimeMS = 10, apds9960AGain_t = APDS9960_AGAIN_4X,
+                uint8_t addr = APDS9960_ADDRESS);
+  void setADCIntegrationTime(uint16_t iTimeMS);
+  float getADCIntegrationTime();
+  void setADCGain(apds9960AGain_t gain);
+  apds9960AGain_t getADCGain();
+  void setLED(apds9960LedDrive_t drive, apds9960LedBoost_t boost);
+
+  // proximity
+  void enableProximity(boolean en = true);
+  void setProxGain(apds9960PGain_t gain);
+  apds9960PGain_t getProxGain();
+  void setProxPulse(apds9960PPulseLen_t pLen, uint8_t pulses);
+  void enableProximityInterrupt();
+  void disableProximityInterrupt();
+  uint8_t readProximity();
+  void setProximityInterruptThreshold(uint8_t low, uint8_t high,
+                                      uint8_t persistance = 4);
+  bool getProximityInterrupt();
+
+  // gesture
+  void enableGesture(boolean en = true);
+  bool gestureValid();
+  void setGestureDimensions(uint8_t dims);
+  void setGestureFIFOThreshold(uint8_t thresh);
+  void setGestureGain(uint8_t gain);
+  void setGestureProximityThreshold(uint8_t thresh);
+  void setGestureOffset(uint8_t offset_up, uint8_t offset_down,
+                        uint8_t offset_left, uint8_t offset_right);
+  uint8_t readGesture();
+  void resetCounts();
+
+  // light & color
+  void enableColor(boolean en = true);
+  bool colorDataReady();
+  void getColorData(uint16_t *r, uint16_t *g, uint16_t *b, uint16_t *c);
+  uint16_t calculateColorTemperature(uint16_t r, uint16_t g, uint16_t b);
+  uint16_t calculateLux(uint16_t r, uint16_t g, uint16_t b);
+  void enableColorInterrupt();
+  void disableColorInterrupt();
+  void clearInterrupt();
+  void setIntLimits(uint16_t l, uint16_t h);
+
+  // turn on/off elements
+  void enable(boolean en = true);
+
+private:
+  uint8_t _i2caddr;
+  I2C *_wire;
+  Serial *_pc;
+
+  uint32_t read32(uint8_t reg);
+  uint16_t read16(uint8_t reg);
+  uint16_t read16R(uint8_t reg);
+
+  void write8(byte reg, byte value);
+  uint8_t read8(byte reg);
+
+  uint8_t gestCnt;
+
+  uint8_t UCount;
+  uint8_t DCount;
+
+  uint8_t LCount;
+  uint8_t RCount;
+
+  uint8_t read(uint8_t reg, uint8_t *buf, uint8_t num);
+  void write(uint8_t reg, uint8_t *buf, uint8_t num);
+  void _i2c_init();
+
+  struct enable {
+
+    // power on
+    uint8_t PON : 1;
+
+    // ALS enable
+    uint8_t AEN : 1;
+
+    // Proximity detect enable
+    uint8_t PEN : 1;
+
+    // wait timer enable
+    uint8_t WEN : 1;
+
+    // ALS interrupt enable
+    uint8_t AIEN : 1;
+
+    // proximity interrupt enable
+    uint8_t PIEN : 1;
+
+    // gesture enable
+    uint8_t GEN : 1;
+
+    uint8_t get() {
+      return (GEN << 6) | (PIEN << 5) | (AIEN << 4) | (WEN << 3) | (PEN << 2) |
+             (AEN << 1) | PON;
+    };
+  };
+  struct enable _enable;
+
+  struct pers {
+    // ALS Interrupt Persistence. Controls rate of Clear channel interrupt to
+    // the host processor
+    uint8_t APERS : 4;
+
+    // proximity interrupt persistence, controls rate of prox interrupt to host
+    // processor
+    uint8_t PPERS : 4;
+
+    uint8_t get() { return (PPERS << 4) | APERS; };
+  };
+  pers _pers;
+
+  struct config1 {
+    uint8_t WLONG : 1;
+
+    uint8_t get() { return WLONG << 1; };
+  };
+  config1 _config1;
+
+  struct ppulse {
+
+    /*Proximity Pulse Count. Specifies the number of proximity pulses to be
+    generated on LDR. Number of pulses is set by PPULSE value plus 1.
+    */
+    uint8_t PPULSE : 6;
+
+    // Proximity Pulse Length. Sets the LED-ON pulse width during a proximity
+    // LDR pulse.
+    uint8_t PPLEN : 2;
+
+    uint8_t get() { return (PPLEN << 6) | PPULSE; }
+  };
+  ppulse _ppulse;
+
+  struct control {
+    // ALS and Color gain control
+    uint8_t AGAIN : 2;
+
+    // proximity gain control
+    uint8_t PGAIN : 2;
+
+    // led drive strength
+    uint8_t LDRIVE : 2;
+
+    uint8_t get() { return (LDRIVE << 6) | (PGAIN << 2) | AGAIN; }
+  };
+  control _control;
+
+  struct config2 {
+    /* Additional LDR current during proximity and gesture LED pulses. Current
+    value, set by LDRIVE, is increased by the percentage of LED_BOOST.
+    */
+    uint8_t LED_BOOST : 2;
+
+    // clear photodiode saturation int enable
+    uint8_t CPSIEN : 1;
+
+    // proximity saturation interrupt enable
+    uint8_t PSIEN : 1;
+
+    uint8_t get() {
+      return (PSIEN << 7) | (CPSIEN << 6) | (LED_BOOST << 4) | 1;
+    }
+  };
+  config2 _config2;
+
+  struct status {
+    /* ALS Valid. Indicates that an ALS cycle has completed since AEN was
+    asserted or since a read from any of the ALS/Color data registers.
+    */
+    uint8_t AVALID : 1;
+
+    /* Proximity Valid. Indicates that a proximity cycle has completed since PEN
+    was asserted or since PDATA was last read. A read of PDATA automatically
+    clears PVALID.
+    */
+    uint8_t PVALID : 1;
+
+    /* Gesture Interrupt. GINT is asserted when GFVLV becomes greater than
+    GFIFOTH or if GVALID has become asserted when GMODE transitioned to zero.
+    The bit is reset when FIFO is completely emptied (read).
+    */
+    uint8_t GINT : 1;
+
+    // ALS Interrupt. This bit triggers an interrupt if AIEN in ENABLE is set.
+    uint8_t AINT : 1;
+
+    // Proximity Interrupt. This bit triggers an interrupt if PIEN in ENABLE is
+    // set.
+    uint8_t PINT : 1;
+
+    /* Indicates that an analog saturation event occurred during a previous
+    proximity or gesture cycle. Once set, this bit remains set until cleared by
+    clear proximity interrupt special function command (0xE5 PICLEAR) or by
+    disabling Prox (PEN=0). This bit triggers an interrupt if PSIEN is set.
+    */
+    uint8_t PGSAT : 1;
+
+    /* Clear Photodiode Saturation. When asserted, the analog sensor was at the
+    upper end of its dynamic range. The bit can be de-asserted by sending a
+    Clear channel interrupt command (0xE6 CICLEAR) or by disabling the ADC
+    (AEN=0). This bit triggers an interrupt if CPSIEN is set.
+    */
+    uint8_t CPSAT : 1;
+
+    void set(uint8_t data) {
+      AVALID = data & 0x01;
+      PVALID = (data >> 1) & 0x01;
+      GINT = (data >> 2) & 0x01;
+      AINT = (data >> 4) & 0x01;
+      PINT = (data >> 5) & 0x01;
+      PGSAT = (data >> 6) & 0x01;
+      CPSAT = (data >> 7) & 0x01;
+    }
+  };
+  status _status;
+
+  struct config3 {
+    // proximity mask
+    uint8_t PMASK_R : 1;
+    uint8_t PMASK_L : 1;
+    uint8_t PMASK_D : 1;
+    uint8_t PMASK_U : 1;
+
+    /* Sleep After Interrupt. When enabled, the device will automatically enter
+    low power mode when the INT pin is asserted and the state machine has
+    progressed to the SAI decision block. Normal operation is resumed when INT
+    pin is cleared over I2C.
+    */
+    uint8_t SAI : 1;
+
+    /* Proximity Gain Compensation Enable. This bit provides gain compensation
+    when proximity photodiode signal is reduced as a result of sensor masking.
+    If only one diode of the diode pair is contributing, then only half of the
+    signal is available at the ADC; this results in a maximum ADC value of 127.
+    Enabling PCMP enables an additional gain of 2X, resulting in a maximum ADC
+    value of 255.
+    */
+    uint8_t PCMP : 1;
+
+    uint8_t get() {
+      return (PCMP << 5) | (SAI << 4) | (PMASK_U << 3) | (PMASK_D << 2) |
+             (PMASK_L << 1) | PMASK_R;
+    }
+  };
+  config3 _config3;
+
+  struct gconf1 {
+    /* Gesture Exit Persistence. When a number of consecutive “gesture end”
+    occurrences become equal or greater to the GEPERS value, the Gesture state
+    machine is exited.
+    */
+    uint8_t GEXPERS : 2;
+
+    /* Gesture Exit Mask. Controls which of the gesture detector photodiodes
+    (UDLR) will be included to determine a “gesture end” and subsequent exit
+    of the gesture state machine. Unmasked UDLR data will be compared with the
+    value in GTHR_OUT. Field value bits correspond to UDLR detectors.
+    */
+    uint8_t GEXMSK : 4;
+
+    /* Gesture FIFO Threshold. This value is compared with the FIFO Level (i.e.
+    the number of UDLR datasets) to generate an interrupt (if enabled).
+    */
+    uint8_t GFIFOTH : 2;
+
+    uint8_t get() { return (GFIFOTH << 6) | (GEXMSK << 2) | GEXPERS; }
+  };
+  gconf1 _gconf1;
+
+  struct gconf2 {
+    /* Gesture Wait Time. The GWTIME controls the amount of time in a low power
+    mode between gesture detection cycles.
+    */
+    uint8_t GWTIME : 3;
+
+    // Gesture LED Drive Strength. Sets LED Drive Strength in gesture mode.
+    uint8_t GLDRIVE : 2;
+
+    // Gesture Gain Control. Sets the gain of the proximity receiver in gesture
+    // mode.
+    uint8_t GGAIN : 2;
+
+    uint8_t get() { return (GGAIN << 5) | (GLDRIVE << 3) | GWTIME; }
+  };
+  gconf2 _gconf2;
+
+  struct gpulse {
+    /* Number of Gesture Pulses. Specifies the number of pulses to be generated
+    on LDR. Number of pulses is set by GPULSE value plus 1.
+    */
+    uint8_t GPULSE : 6;
+
+    // Gesture Pulse Length. Sets the LED_ON pulse width during a Gesture LDR
+    // Pulse.
+    uint8_t GPLEN : 2;
+
+    uint8_t get() { return (GPLEN << 6) | GPULSE; }
+  };
+  gpulse _gpulse;
+
+  struct gconf3 {
+    /* Gesture Dimension Select. Selects which gesture photodiode pairs are
+    enabled to gather results during gesture.
+    */
+    uint8_t GDIMS : 2;
+
+    uint8_t get() { return GDIMS; }
+  };
+  gconf3 _gconf3;
+
+  struct gconf4 {
+    /* Gesture Mode. Reading this bit reports if the gesture state machine is
+    actively running, 1 = Gesture, 0= ALS, Proximity, Color. Writing a 1 to this
+    bit causes immediate entry in to the gesture state machine (as if GPENTH had
+    been exceeded). Writing a 0 to this bit causes exit of gesture when current
+    analog conversion has finished (as if GEXTH had been exceeded).
+    */
+    uint8_t GMODE : 1;
+
+    /* Gesture interrupt enable. Gesture Interrupt Enable. When asserted, all
+    gesture related interrupts are unmasked.
+    */
+    uint8_t GIEN : 2;
+
+    uint8_t get() { return (GIEN << 1) | GMODE; }
+    void set(uint8_t data) {
+      GIEN = (data >> 1) & 0x01;
+      GMODE = data & 0x01;
+    }
+  };
+  gconf4 _gconf4;
+
+  struct gstatus {
+    /* Gesture FIFO Data. GVALID bit is sent when GFLVL becomes greater than
+    GFIFOTH (i.e. FIFO has enough data to set GINT). GFIFOD is reset when GMODE
+    = 0 and the GFLVL=0 (i.e. All FIFO data has been read).
+    */
+    uint8_t GVALID : 1;
+
+    /* Gesture FIFO Overflow. A setting of 1 indicates that the FIFO has filled
+    to capacity and that new gesture detector data has been lost.
+    */
+    uint8_t GFOV : 1;
+
+    void set(uint8_t data) {
+      GFOV = (data >> 1) & 0x01;
+      GVALID = data & 0x01;
+    }
+  };
+  gstatus _gstatus;
+};
+
+#endif
\ No newline at end of file

diff -r 000000000000 -r 5d88688340fc BSP_DISCO_F746NG.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BSP_DISCO_F746NG.lib	Mon Jun 22 14:16:28 2020 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/teams/ST/code/BSP_DISCO_F746NG/#85dbcff443aa

diff -r 000000000000 -r 5d88688340fc BUTTON_GROUP.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BUTTON_GROUP.lib	Mon Jun 22 14:16:28 2020 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/MikamiUitOpen/code/BUTTON_GROUP/#af578b53ff0e

diff -r 000000000000 -r 5d88688340fc Clock.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Clock.cpp	Mon Jun 22 14:16:28 2020 +0000
@@ -0,0 +1,64 @@
+#include <mbed.h>
+ 
+// The us ticker is a wrapping uint32_t. We insert interrupts at
+// 0, 0x40000000, 0x8000000, and 0xC0000000, rather than just 0 or just 0xFFFFFFFF because there is
+// code that calls interrupts that are "very soon" immediately and we don't
+// want that. Also because if we only use 0 and 0x80000000 then there is a chance it would
+// be considered to be in the past and executed immediately.
+ 
+class ExtendedClock : public TimerEvent
+{
+public:
+    ExtendedClock()
+    {
+        // This also starts the us ticker.
+        insert(0x40000000);
+    }
+ 
+    float read()
+    {
+        return read_us() / 1000000.0f;
+    }
+ 
+    uint64_t read_ms()
+    {
+        return read_us() / 1000;
+    }
+ 
+    uint64_t read_us()
+    {
+        return mTriggers * 0x40000000ull + (ticker_read(_ticker_data) & 0x3FFFFFFF);
+    }
+ 
+private:
+    void handler() override
+    {
+        ++mTriggers;
+        // If this is the first time we've been called (at 0x4...)
+        // then mTriggers now equals 1 and we want to insert at 0x80000000.
+        insert((mTriggers+1) * 0x40000000);
+    }
+ 
+    // The number of times the us_ticker has rolled over.
+    uint32_t mTriggers = 0;
+};
+ 
+static ExtendedClock _GlobalClock;
+ 
+// Return the number of seconds since boot.
+float clock_s()
+{
+    return _GlobalClock.read();
+}
+ 
+// Return the number of milliseconds since boot.
+uint64_t clock_ms()
+{
+    return _GlobalClock.read_ms();
+}
+ 
+// Return the number of microseconds since boot.
+uint64_t clock_us()
+{
+    return _GlobalClock.read_us();
+}
\ No newline at end of file

diff -r 000000000000 -r 5d88688340fc Clock.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Clock.h	Mon Jun 22 14:16:28 2020 +0000
@@ -0,0 +1,12 @@
+#pragma once
+ 
+#include <stdint.h>
+ 
+// Return the number of seconds since boot.
+float clock_s();
+ 
+// Return the number of milliseconds since boot.
+uint64_t clock_ms();
+ 
+// Return the number of microseconds since boot.
+uint64_t clock_us();
\ No newline at end of file

diff -r 000000000000 -r 5d88688340fc LCD_DISCO_F746NG.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LCD_DISCO_F746NG.lib	Mon Jun 22 14:16:28 2020 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/teams/ST/code/LCD_DISCO_F746NG/#d44525b1de98

diff -r 000000000000 -r 5d88688340fc TS_DISCO_F746NG.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TS_DISCO_F746NG.lib	Mon Jun 22 14:16:28 2020 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/teams/ST/code/TS_DISCO_F746NG/#fe0cf5e2960f

diff -r 000000000000 -r 5d88688340fc main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Jun 22 14:16:28 2020 +0000
@@ -0,0 +1,285 @@
+#include "mbed.h"
+#include "stm32746g_discovery_lcd.h"
+#include "stm32746g_discovery_ts.h"
+#include "button_group.hpp"
+#include "Adafruit_APDS9960.h"
+
+Serial pc(USBTX, USBRX); // tx, rx
+
+I2C * i2c_sensor;
+Adafruit_APDS9960 *sensor;
+
+using namespace Mikami;
+TS_DISCO_F746NG ts_;
+LCD_DISCO_F746NG lcd_;
+
+
+void init_sensor()
+{
+    i2c_sensor = new I2C(I2C_SDA, I2C_SCL);
+    sensor = new Adafruit_APDS9960(&pc);
+    bool initok = sensor->begin(i2c_sensor);
+    if (!initok)
+    {
+        pc.printf("\n\rErreur avec l'initialisation du capteur de couleur\n\r");
+    }else pc.printf("\n\rLe capteur de couleur a ete initialise\n\r");
+    sensor->enableColor(true);
+}
+
+
+int main()
+{
+    init_sensor();
+    
+    unsigned int boutton_commencer = 0;
+    unsigned int boutton_reset = 0;
+    
+    unsigned int nbAlea = 0;
+    unsigned int couleur;
+    unsigned int couleur1;
+    unsigned int couleur2;
+    unsigned int couleur3;
+    unsigned int couleur4;
+    unsigned int sequence = 0;
+    unsigned int i = 0;
+    
+    unsigned int reponse;
+    unsigned int reponse1;
+    unsigned int reponse2;
+    unsigned int reponse3;
+    unsigned int reponse4;
+    unsigned int sequence_reponse = 0;
+    unsigned int j = 0;
+    
+    BSP_LCD_Init();
+    BSP_LCD_LayerDefaultInit(LTDC_ACTIVE_LAYER, LCD_FB_START_ADDRESS);
+    BSP_LCD_SelectLayer(LTDC_ACTIVE_LAYER);
+ 
+ 
+    while(1)
+    {      
+        //Ecran d'acceuil
+        BSP_LCD_Clear(LCD_COLOR_BLACK);
+        BSP_LCD_SetFont(&LCD_DEFAULT_FONT);
+        BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
+        BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
+    
+        BSP_LCD_DisplayStringAt(0, 40, (uint8_t *)"BIENVENUE", CENTER_MODE);
+        HAL_Delay(2000);
+        
+        BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
+        BSP_LCD_SetTextColor(LCD_COLOR_RED);
+        BSP_LCD_DisplayStringAt(0, 90, (uint8_t *)"SUR UN", CENTER_MODE);
+        HAL_Delay(2000);
+    
+        BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
+        BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
+        BSP_LCD_DisplayStringAt(0, 140, (uint8_t *)"CAPTEUR DE COULEUR", CENTER_MODE);
+        HAL_Delay(2000);
+        
+        
+        //Bouton commencer la partie
+        Button commencer(lcd_, ts_, 88, 205, 300, 50,
+                     LCD_COLOR_BLUE, LCD_COLOR_BLACK, "Commencer la partie", Font20);
+        commencer.Draw(LCD_COLOR_WHITE, LCD_COLOR_BLACK);
+        
+        while(boutton_commencer == 0)
+        {    
+            if(commencer.Touched())
+            {
+                boutton_commencer = 1;
+            }
+        }
+        boutton_commencer = 0;
+        
+        
+        //Ecran montrant la séquence à répéter pour gagner
+        BSP_LCD_Clear(LCD_COLOR_BLACK);
+        BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
+        BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
+        BSP_LCD_DisplayStringAt(0, 40, (uint8_t *)"Repeter la sequence", CENTER_MODE);
+        BSP_LCD_SetTextColor(LCD_COLOR_RED);
+        BSP_LCD_DisplayStringAt(0, 80, (uint8_t *)"une fois celle-ci", CENTER_MODE);
+        BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
+        BSP_LCD_DisplayStringAt(0, 120, (uint8_t *)"terminee", CENTER_MODE);
+        HAL_Delay(4000);
+     
+     
+        //Initialisation de la séquence 
+        while(sequence == 0){
+            srand(time(NULL));  
+            nbAlea=rand()%4;
+            //nbAlea=rand()%3;
+            
+            switch(nbAlea){
+                case 0:
+                    couleur = LCD_COLOR_RED;
+                    i = i + 1;
+                    break;
+                case 1:
+                    couleur = LCD_COLOR_GREEN;  
+                    i = i + 1;
+                    break;
+                case 2:
+                    couleur = LCD_COLOR_BLUE;
+                    i = i + 1;
+                    break;
+                case 3:   
+                    couleur = LCD_COLOR_WHITE;
+                    i = i + 1;
+                    break;
+            }  
+            
+            switch(i){
+                case 1:
+                    couleur1 = couleur;
+                    BSP_LCD_SetTextColor(couleur1);
+                    BSP_LCD_FillRect(50, 170, 70, 70);
+                    HAL_Delay(1000);
+                    break;
+                case 2:
+                    couleur2 = couleur;
+                    BSP_LCD_SetTextColor(couleur2);
+                    BSP_LCD_FillRect(150, 170, 70, 70);
+                    HAL_Delay(1000);
+                    break;
+                case 3:
+                    couleur3 = couleur;   
+                    BSP_LCD_SetTextColor(couleur3);
+                    BSP_LCD_FillRect(250, 170, 70, 70);
+                    HAL_Delay(1000);
+                    break;
+                case 4:   
+                    couleur4 = couleur;   
+                    BSP_LCD_SetTextColor(couleur4);
+                    BSP_LCD_FillRect(350, 170, 70, 70);
+                    HAL_Delay(1000);
+                    sequence = 1;
+                    i = 0;
+                    break;
+            }
+            wait_us(2000000);
+        }
+        sequence = 0;
+        
+        
+        //Ecran "tour de l'utilisateur"
+        BSP_LCD_Clear(LCD_COLOR_BLACK);
+        BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
+        BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
+        BSP_LCD_DisplayStringAt(0, 40, (uint8_t *)"A vous de jouer !", CENTER_MODE);
+        BSP_LCD_SetTextColor(LCD_COLOR_RED);
+        BSP_LCD_DisplayStringAt(0, 80, (uint8_t *)"Quelle etait la sequence ?", CENTER_MODE);
+        //BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
+        //BSP_LCD_DisplayStringAt(0, 120, (uint8_t *)"Appuyer sur le bouton de couleur correspondant", CENTER_MODE);
+        HAL_Delay(4000);
+        
+            
+        //create some variables to store the color data in
+        uint16_t r, g, b, c;
+            
+        //wait for color data to be ready
+        while(!sensor->colorDataReady()){
+        wait_us(5000);
+        }
+        
+        while(sequence_reponse == 0){
+            //get the data and print the different channels
+            sensor->getColorData(&r, &g, &b, &c);
+            pc.printf("red: ");
+            pc.printf("%u ", r);
+            
+            pc.printf(" green: ");
+            pc.printf("%u ", g);
+            
+            pc.printf(" blue: ");
+            pc.printf("%u ", b);
+            
+            pc.printf(" clear: ");
+            pc.printf("%u ", c);
+            pc.printf("\r\n");
+        
+            if(r>400 && g>400 && b>400)
+            {
+                pc.printf("Test 0: blanc\r\n");
+                reponse = LCD_COLOR_WHITE;
+                j = j + 1;
+            }
+            else if(r>g && r>b && r>100)
+            {
+                pc.printf("Test 1: rouge\r\n");
+                reponse = LCD_COLOR_RED;
+                j = j + 1;
+            }
+            else if(b>r && b>g && b>100)
+            {
+                pc.printf("Test 2: bleu\r\n");
+                reponse = LCD_COLOR_BLUE;
+                j = j + 1;
+            }
+            else if(g>r && g>b && g>100)
+            {
+                pc.printf("Test 3: vert\r\n");
+                reponse = LCD_COLOR_GREEN;
+                j = j + 1;
+            }
+            
+            switch(j){
+                case 1:
+                    reponse1 = reponse;
+                    BSP_LCD_SetTextColor(reponse1);
+                    BSP_LCD_FillRect(50, 170, 70, 70);
+                    HAL_Delay(1000);
+                    break;
+                case 2:
+                    reponse2 = reponse;
+                    BSP_LCD_SetTextColor(reponse2);
+                    BSP_LCD_FillRect(150, 170, 70, 70);
+                    HAL_Delay(1000);
+                    break;
+                case 3:
+                    reponse3 = reponse;   
+                    BSP_LCD_SetTextColor(reponse3);
+                    BSP_LCD_FillRect(250, 170, 70, 70);
+                    HAL_Delay(1000);
+                    break;
+                case 4:   
+                    reponse4 = reponse;   
+                    BSP_LCD_SetTextColor(reponse4);
+                    BSP_LCD_FillRect(350, 170, 70, 70);
+                    HAL_Delay(1000);
+                    sequence_reponse = 1;
+                    j = 0;
+                    break;
+            }          
+            wait_us(1000000);
+        }
+        sequence_reponse = 0;
+        
+        if(couleur1==reponse1 && couleur2==reponse2 && couleur3==reponse3 && couleur4==reponse4)
+        {
+            BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
+            BSP_LCD_DisplayStringAt(0, 120, (uint8_t *)"VOUS AVEZ GAGNE", CENTER_MODE);
+        }
+        else
+        {
+            BSP_LCD_SetTextColor(LCD_COLOR_GREEN);
+            BSP_LCD_DisplayStringAt(0, 120, (uint8_t *)"VOUS AVEZ PERDU", CENTER_MODE);    
+        }
+        
+        
+        //Bouton rejouer la partie       
+        Button reset(lcd_, ts_, 410, 5, 60, 40,
+                     LCD_COLOR_BLUE, LCD_COLOR_BLACK, "Rejouer", Font12);
+        reset.Draw(LCD_COLOR_WHITE, LCD_COLOR_BLACK);
+        
+        while(boutton_reset == 0)
+        {    
+            if(reset.Touched())
+            {
+                boutton_reset = 1;
+            }
+        }
+        boutton_reset = 0;
+    }
+}

diff -r 000000000000 -r 5d88688340fc mbed-os.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Mon Jun 22 14:16:28 2020 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#699372421a3b388fe568e9be85b1a985749a438f