Diff: VCNL4010.cpp

Revision:

0:4b56d28cc7e9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/VCNL4010.cpp	Wed Dec 02 11:39:52 2015 +0000
@@ -0,0 +1,287 @@
+/*
+Copyright (c) 2012 Vishay GmbH, www.vishay.com
+author: DS, version 1.21
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#include "VCNL4010.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+VCNL40x0::VCNL40x0(PinName sda, PinName scl, unsigned char addr) : _i2c(sda, scl), _addr(addr) {
+   // _i2c.frequency(1000000);                                // set I2C frequency to 1MHz
+}
+
+VCNL40x0::~VCNL40x0() {
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+VCNL40x0Error_e VCNL40x0::SetCommandRegister (unsigned char Command) {
+
+    _send[0] = REGISTER_COMMAND;                            // VCNL40x0 Configuration reister
+    _send[1] = Command;
+    _i2c.write(VCNL40x0_ADDRESS,_send, 2);                  // Write 2 bytes on I2C
+
+    return VCNL40x0_ERROR_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+VCNL40x0Error_e VCNL40x0::ReadCommandRegister (unsigned char *Command) {
+
+    _send[0] = REGISTER_COMMAND;                            // VCNL40x0 Configuration register
+    _i2c.write(VCNL40x0_ADDRESS,_send, 1);                  // Write 1 byte on I2C
+    _i2c.read(VCNL40x0_ADDRESS+1,_receive, 1);              // Read 1 byte on I2C
+
+    *Command = (unsigned char)(_receive[0]);
+
+    return VCNL40x0_ERROR_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+VCNL40x0Error_e VCNL40x0::ReadID (unsigned char *ID) {
+
+    _send[0] = REGISTER_ID;                                 // VCNL40x0 product ID revision register
+    _i2c.write(VCNL40x0_ADDRESS, _send, 1);                 // Write 1 byte on I2C
+    _i2c.read(VCNL40x0_ADDRESS+1, _receive, 1);             // Read 1 byte on I2C
+
+    *ID = (unsigned char)(_receive[0]);
+
+    return VCNL40x0_ERROR_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+VCNL40x0Error_e VCNL40x0::SetCurrent (unsigned char Current) {
+
+    _send[0] = REGISTER_PROX_CURRENT;                       // VCNL40x0 IR LED Current register
+    _send[1] = Current;
+    _i2c.write(VCNL40x0_ADDRESS,_send, 2);                  // Write 2 bytes on I2C
+
+    return VCNL40x0_ERROR_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+VCNL40x0Error_e VCNL40x0::ReadCurrent (unsigned char *Current) {
+
+    _send[0] = REGISTER_PROX_CURRENT;                       // VCNL40x0 IR LED current register
+    _i2c.write(VCNL40x0_ADDRESS,_send, 1);                  // Write 1 byte on I2C
+    _i2c.read(VCNL40x0_ADDRESS+1,_receive, 1);              // Read 1 byte on I2C
+
+    *Current = (unsigned char)(_receive[0]);
+
+    return VCNL40x0_ERROR_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+VCNL40x0Error_e VCNL40x0::SetProximityRate (unsigned char ProximityRate) {
+
+    _send[0] = REGISTER_PROX_RATE;                          // VCNL40x0 Proximity rate register
+    _send[1] = ProximityRate;
+    _i2c.write(VCNL40x0_ADDRESS,_send, 2);                  // Write 2 bytes on I2C
+
+    return VCNL40x0_ERROR_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+VCNL40x0Error_e VCNL40x0::SetAmbiConfiguration (unsigned char AmbiConfiguration) {
+
+    _send[0] = REGISTER_AMBI_PARAMETER;                     // VCNL40x0 Ambilight configuration
+    _send[1] = AmbiConfiguration;
+    _i2c.write(VCNL40x0_ADDRESS,_send, 2);                  // Write 2 bytes on I2C
+
+    return VCNL40x0_ERROR_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+VCNL40x0Error_e VCNL40x0::SetInterruptControl (unsigned char InterruptControl) {
+
+    _send[0] = REGISTER_INTERRUPT_CONTROL;                  // VCNL40x0 Interrupt Control register
+    _send[1] = InterruptControl;
+    _i2c.write(VCNL40x0_ADDRESS,_send, 2);                  // Write 2 bytes on I2C
+
+    return VCNL40x0_ERROR_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+VCNL40x0Error_e VCNL40x0::ReadInterruptControl (unsigned char *InterruptControl) {
+
+    _send[0] = REGISTER_INTERRUPT_CONTROL;                  // VCNL40x0 Interrupt Control register
+    _i2c.write(VCNL40x0_ADDRESS,_send, 1);                  // Write 1 byte on I2C
+    _i2c.read(VCNL40x0_ADDRESS+1,_receive, 1);              // Read 1 byte on I2C
+
+    *InterruptControl = (unsigned char)(_receive[0]);
+
+    return VCNL40x0_ERROR_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+VCNL40x0Error_e VCNL40x0::SetInterruptStatus (unsigned char InterruptStatus) {
+
+    _send[0] = REGISTER_INTERRUPT_STATUS;                   // VCNL40x0 Interrupt Status register
+    _send[1] = InterruptStatus;
+    _i2c.write(VCNL40x0_ADDRESS,_send, 2);                  // Write 2 bytes on I2C
+
+    return VCNL40x0_ERROR_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+VCNL40x0Error_e VCNL40x0::SetModulatorTimingAdjustment (unsigned char ModulatorTimingAdjustment) {
+
+    _send[0] = REGISTER_PROX_TIMING;                        // VCNL40x0 Modulator Timing Adjustment register
+    _send[1] = ModulatorTimingAdjustment;
+    _i2c.write(VCNL40x0_ADDRESS,_send, 2);                  // Write 2 bytes on I2C
+
+    return VCNL40x0_ERROR_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+VCNL40x0Error_e VCNL40x0::ReadInterruptStatus (unsigned char *InterruptStatus) {
+
+    _send[0] = REGISTER_INTERRUPT_STATUS;                   // VCNL40x0 Interrupt Status register
+    _i2c.write(VCNL40x0_ADDRESS,_send, 1);                  // Write 1 byte on I2C
+    _i2c.read(VCNL40x0_ADDRESS+1,_receive, 1);              // Read 1 byte on I2C
+
+    *InterruptStatus = (unsigned char)(_receive[0]);
+
+    return VCNL40x0_ERROR_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+VCNL40x0Error_e VCNL40x0::ReadProxiValue (unsigned int *ProxiValue) {
+
+    _send[0] = REGISTER_PROX_VALUE;                         // VCNL40x0 Proximity Value register
+    _i2c.write(VCNL40x0_ADDRESS, _send, 1);                 // Write 1 byte on I2C
+    _i2c.read(VCNL40x0_ADDRESS+1, _receive, 2);             // Read 2 bytes on I2C
+    *ProxiValue = ((unsigned int)_receive[0] << 8 | (unsigned char)_receive[1]);
+
+    return VCNL40x0_ERROR_OK;
+
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+VCNL40x0Error_e VCNL40x0::ReadAmbiValue (unsigned int *AmbiValue) {
+
+    _send[0] = REGISTER_AMBI_VALUE;                          // VCNL40x0 Ambient Light Value register
+    _i2c.write(VCNL40x0_ADDRESS, _send, 1);                  // Write 1 byte on I2C
+    _i2c.read(VCNL40x0_ADDRESS+1, _receive, 2);              // Read 2 bytes on I2C
+    *AmbiValue = ((unsigned int)_receive[0] << 8 | (unsigned char)_receive[1]);
+
+    return VCNL40x0_ERROR_OK;
+
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+VCNL40x0Error_e VCNL40x0::SetLowThreshold (unsigned int LowThreshold) {
+
+    unsigned char LoByte=0, HiByte=0;
+    
+    LoByte = (unsigned char)(LowThreshold & 0x00ff);
+    HiByte = (unsigned char)((LowThreshold & 0xff00)>>8);
+    
+    _send[0] = REGISTER_INTERRUPT_LOW_THRES;                // VCNL40x0 Low Threshold Register, Hi Byte
+    _send[1] = HiByte;
+    _i2c.write(VCNL40x0_ADDRESS,_send, 2);                  // Write 2 bytes on I2C
+    
+    _send[0] = REGISTER_INTERRUPT_LOW_THRES+1;              // VCNL40x0 Low Threshold Register, Lo Byte
+    _send[1] = LoByte;
+    _i2c.write(VCNL40x0_ADDRESS,_send, 2);                  // Write 2 bytes on I2C
+
+    return VCNL40x0_ERROR_OK;
+
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+VCNL40x0Error_e VCNL40x0::SetHighThreshold (unsigned int HighThreshold) {
+
+    unsigned char LoByte=0, HiByte=0;
+    
+    LoByte = (unsigned char)(HighThreshold & 0x00ff);
+    HiByte = (unsigned char)((HighThreshold & 0xff00)>>8);
+    
+    _send[0] = REGISTER_INTERRUPT_HIGH_THRES;               // VCNL40x0 High Threshold Register, Hi Byte
+    _send[1] = HiByte;
+    _i2c.write(VCNL40x0_ADDRESS,_send, 2);                  // Write 2 bytes on I2C
+    
+    _send[0] = REGISTER_INTERRUPT_HIGH_THRES+1;             // VCNL40x0 High Threshold Register, Lo Byte
+    _send[1] = LoByte;
+    _i2c.write(VCNL40x0_ADDRESS,_send, 2);                  // Write 2 bytes on I2C
+
+    return VCNL40x0_ERROR_OK;
+
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+VCNL40x0Error_e VCNL40x0::ReadProxiOnDemand (unsigned int *ProxiValue) {
+
+    unsigned char Command=0;
+
+    // enable prox value on demand
+    SetCommandRegister (COMMAND_PROX_ENABLE | COMMAND_PROX_ON_DEMAND);
+ 
+    // wait on prox data ready bit
+    do {
+        ReadCommandRegister (&Command);                     // read command register
+    } while (!(Command & COMMAND_MASK_PROX_DATA_READY));
+
+    ReadProxiValue (ProxiValue);                            // read prox value
+
+    SetCommandRegister (COMMAND_ALL_DISABLE);               // stop prox value on demand
+    
+    return VCNL40x0_ERROR_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+VCNL40x0Error_e VCNL40x0::ReadAmbiOnDemand (unsigned int *AmbiValue) {
+
+    unsigned char Command=0;
+
+    // enable ambi value on demand
+    SetCommandRegister (COMMAND_PROX_ENABLE | COMMAND_AMBI_ON_DEMAND);
+
+    // wait on ambi data ready bit
+    do {
+        ReadCommandRegister (&Command);                     // read command register
+    } while (!(Command & COMMAND_MASK_AMBI_DATA_READY));
+
+    ReadAmbiValue (AmbiValue);                              // read ambi value    
+
+    SetCommandRegister (COMMAND_ALL_DISABLE);               // stop ambi value on demand    
+
+    return VCNL40x0_ERROR_OK;
+}