Add VCNL4200

Author: tyeth

platformio.ini

@@ -44,6 +44,7 @@ lib_deps =
     adafruit/Adafruit Si7021 Library
     adafruit/Adafruit VCNL4020 Library
     adafruit/Adafruit VCNL4040
+    adafruit/Adafruit VCNL4200 Library
     adafruit/Adafruit MCP3421
     adafruit/Adafruit MCP9808 Library
     adafruit/Adafruit MCP9600 Library

src/components/i2c/controller.cpp

@@ -338,6 +338,11 @@ static const std::map<std::string, FnCreateI2CDriver> I2cFactory = {
         const char *driver_name) -> drvBase * {
        return new drvVncl4040(i2c, addr, mux_channel, driver_name);
      }},
+    {"vncl4200",
+     [](TwoWire *i2c, uint16_t addr, uint32_t mux_channel,
+        const char *driver_name) -> drvBase * {
+       return new drvVncl4200(i2c, addr, mux_channel, driver_name);
+     }},
     {"vl53l0x",
      [](TwoWire *i2c, uint16_t addr, uint32_t mux_channel,
         const char *driver_name) -> drvBase * {

src/components/i2c/controller.h

@@ -70,6 +70,7 @@
 #include "drivers/drvVl6180x.h"
 #include "drivers/drvVncl4020.h"
 #include "drivers/drvVncl4040.h"
+#include "drivers/drvVncl4200.h"
 
 #define SCAN_DEVICE                                                            \
   "UNKNOWN_SCAN" ///< Name for I2C devices found by an i2c scan

src/components/i2c/drivers/drvVncl4200.h

@@ -0,0 +1,111 @@
+/*!
+ * @file drvVncl4200.h
+ *
+ * Device driver for the VCNL4200 light + proximity sensor.
+ *
+ * Adafruit invests time and resources providing this open source code,
+ * please support Adafruit and open-source hardware by purchasing
+ * products from Adafruit!
+ *
+ * Copyright (c) Tyeth Gundry 2025 for Adafruit Industries.
+ *
+ * MIT license, all text here must be included in any redistribution.
+ *
+ */
+#ifndef DRV_VCNL4200_H
+#define DRV_VCNL4200_H
+
+#include "drvBase.h"
+#include <Adafruit_VCNL4200.h>
+
+/**************************************************************************/
+/*!
+    @brief  Class that provides a driver interface for a VCNL4200 sensor.
+*/
+/**************************************************************************/
+class drvVncl4200 : public drvBase {
+public:
+  /*******************************************************************************/
+  /*!
+      @brief    Constructor for a VCNL4200 sensor.
+      @param    i2c
+                The I2C interface.
+      @param    sensorAddress
+                7-bit device address.
+      @param    mux_channel
+                The I2C multiplexer channel.
+      @param    driver_name
+                The name of the driver.
+  */
+  /*******************************************************************************/
+  drvVncl4200(TwoWire *i2c, uint16_t sensorAddress, uint32_t mux_channel,
+              const char *driver_name)
+      : drvBase(i2c, sensorAddress, mux_channel, driver_name) {
+    // Initialization handled by drvBase constructor
+  }
+
+  /*******************************************************************************/
+  /*!
+      @brief    Destructor for an VCNL4200 sensor.
+  */
+  /*******************************************************************************/
+  ~drvVncl4200() { delete _vcnl4200; }
+
+  /*******************************************************************************/
+  /*!
+      @brief    Initializes the VCNL4200 sensor and begins I2C.
+      @returns  True if initialized successfully, False otherwise.
+  */
+  /*******************************************************************************/
+  bool begin() {
+    _vcnl4200 = new Adafruit_VCNL4200();
+    bool status = false;
+    // Attempt to initialize and configure VCNL4200
+    if (!_vcnl4200->begin(_address, _i2c)) {
+      return false;
+    }
+    status = _vcnl4200->setALSshutdown(false);
+    status &= _vcnl4200->setProxShutdown(false);
+    status &= _vcnl4200->setProxHD(true); // 16bit instead of 12bit
+    status &= _vcnl4200->setALSIntegrationTime(VCNL4200_ALS_IT_400MS);
+    status &= _vcnl4200->setProxDuty(VCNL4200_PS_DUTY_1_160);
+    status &= _vcnl4200->setProxLEDCurrent(VCNL4200_LED_I_200MA);
+    status &= _vcnl4200->setProxIntegrationTime(VCNL4200_PS_IT_9T);
+    return status;
+  }
+
+  /*******************************************************************************/
+  /*!
+      @brief    Performs a light sensor read using the Adafruit
+                Unified Sensor API.
+      @param    lightEvent
+                Light sensor reading, in lux.
+      @returns  True if the sensor event was obtained successfully, False
+                otherwise.
+  */
+  /*******************************************************************************/
+  bool getEventLight(sensors_event_t *lightEvent) {
+    // Get sensor event populated in lux via AUTO integration and gain
+    lightEvent->light = _vcnl4200->readALSdata();
+    return true;
+  }
+
+  /*******************************************************************************/
+  /*!
+      @brief    Reads the VCNL4200's proximity value into an event (no unit).
+      @param    proximityEvent
+                Pointer to an Adafruit_Sensor event.
+      @returns  True if the proximity was obtained successfully, False
+                otherwise.
+  */
+  /*******************************************************************************/
+  bool getEventProximity(sensors_event_t *proximityEvent) {
+    proximityEvent->data[0] = (float)_vcnl4200->readProxData();
+    return true;
+  }
+
+protected:
+  Adafruit_VCNL4200 *_vcnl4200; ///< Pointer to VCNL4200 light sensor object
+};
+
+#endif // DRV_VCNL4200_H