Tom Fleet
Re-hashed. Not going to work out the box, but points you in the right direction.
Fork of
VCNL40x0
by 
Ken Parish
Revision 2:4181c36abc2b, committed 2014-05-28
- Comitter:
- tomfleet
- Date:
- Wed May 28 15:56:59 2014 +0000
- Parent:
- 1:77429a00bfd6
- Commit message:
- Rehashed code. Not going to work, but will point you in the right direction.
;
; Read, re-read, read again. Everything. Including datasheets. Write it down in the book, read it back, and check that you understand it BEFORE you write any more code. Ok?
Changed in this revision
| main.cpp | Show diff for this revision Revisions of this file |
| mbed.bld | Show diff for this revision Revisions of this file |
--- a/main.cpp Wed May 28 13:47:58 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,351 +0,0 @@
-/*
-Copyright (c) 2012 Vishay GmbH, www.vishay.com
-author: DS, version 1.2
-
-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.
-*/
-
-#define VERSION "\n Version: 1.2 01/2012\n"
-#define MAIN1 // select MAIN1, MAIN2, MAIN3 or MIAN4
-#define BAUD 115200 // increase up to 921600 for high speed communication (depends on terminal programm and USB mode)
-
-#include "mbed.h"
-#include "VCNL40x0.h"
-
-VCNL40x0 VCNL40x0_Device (p28, p27, VCNL40x0_ADDRESS); // Define SDA, SCL pin and I2C address
-DigitalOut mled0(LED1); // LED #1
-DigitalOut mled1(LED2); // LED #2
-DigitalOut mled2(LED3); // LED #3
-Serial pc(USBTX, USBRX); // Tx, Rx USB transmission
-
-/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// main #1
-// Read Proximity on demand and Ambillight on demand in endless loop
-/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-# ifdef MAIN1
-
-int main() {
- unsigned char ID=0;
- unsigned char Current=0;
- unsigned int ProxiValue=0;
- unsigned int AmbiValue=0;
-
- pc.baud(BAUD); // set USB speed (virtual COM port)
-
- // print information on screen
- pc.printf("\n\n VCNL4010/4020 Proximity/Ambient Light Sensor");
- pc.printf("\n library tested with mbed LPC1768 (ARM Cortex-M3 core) on www.mbed.org");
- pc.printf(VERSION);
- pc.printf("\n Demonstration #1:");
- pc.printf("\n Read Proximity on demand and Ambillight on demand in endless loop");
-
- VCNL40x0_Device.ReadID (&ID); // Read VCNL40x0 product ID revision register
- pc.printf("\n\n Product ID Revision Register: %d", ID);
-
- VCNL40x0_Device.SetCurrent (20); // Set current to 200mA
- VCNL40x0_Device.ReadCurrent (&Current); // Read back IR LED current
- pc.printf("\n IR LED Current: %d\n\n", Current);
-
- wait_ms(3000); // wait 3s (only for display)
-
-// endless loop /////////////////////////////////////////////////////////////////////////////////////
-
- while (1) {
- mled0 = 1; // LED on
- VCNL40x0_Device.ReadProxiOnDemand (&ProxiValue); // read prox value on demand
- VCNL40x0_Device.ReadAmbiOnDemand (&AmbiValue); // read ambi value on demand
- mled0 = 0; // LED off
-
- // pront values on screen
- pc.printf("\nProxi: %5.0i cts \tAmbi: %5.0i cts \tIlluminance: %7.2f lx", ProxiValue, AmbiValue, AmbiValue/4.0);
- }
-}
-# endif
-
-/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// main #2
-// Proximity Measurement in selfetimed mode with 4 measurements/s
-// Read prox value if ready with conversion, endless loop
-/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-# ifdef MAIN2
-
-int main() {
- unsigned char ID=0;
- unsigned char Command=0;
- unsigned char Current=0;
- unsigned int ProxiValue=0;
- unsigned int AmbiValue=0;
-
- pc.baud(BAUD);
-
- // print information on screen
- pc.printf("\n\n VCNL4010/4020 Proximity/Ambient Light Sensor");
- pc.printf("\n library tested with mbed LPC1768 (ARM Cortex-M3 core) on www.mbed.org");
- pc.printf(VERSION);
- pc.printf("\n Demonstration #2:");
- pc.printf("\n Proximity Measurement in selftimed mode with 4 measurements/s");
- pc.printf("\n Read prox value if ready with conversion, endless loop");
-
- VCNL40x0_Device.ReadID (&ID); // Read VCNL40x0 product ID revision register
- pc.printf("\n\n Product ID Revision Register: %d", ID);
-
- VCNL40x0_Device.SetCurrent (20); // Set current to 200mA
- VCNL40x0_Device.ReadCurrent (&Current); // Read back IR LED current
- pc.printf("\n IR LED Current: %d\n\n", Current);
-
- VCNL40x0_Device.SetProximityRate (PROX_MEASUREMENT_RATE_4); // set proximity rate to 4/s
-
- // enable prox in selftimed mode
- VCNL40x0_Device.SetCommandRegister (COMMAND_PROX_ENABLE | COMMAND_SELFTIMED_MODE_ENABLE);
-
- wait_ms(3000); // wait 3s (only for display)
-
-// endless loop /////////////////////////////////////////////////////////////////////////////////////
-
- while (1) {
-
- // wait on prox data ready bit
- do {
- VCNL40x0_Device.ReadCommandRegister (&Command); // read command register
- } while (!(Command & COMMAND_MASK_PROX_DATA_READY));// prox data ready ?
-
- mled0 = 1; // LED on
- VCNL40x0_Device.ReadProxiValue (&ProxiValue); // read prox value
- mled0 = 0; // LED off
-
- // print values on screen
- pc.printf("\nProxi: %5.0i cts", ProxiValue);
- }
-}
-# endif
-
-/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// main #3
-// Proximity Measurement in selfetimed mode with 31 measurements/s
-// Interrupt waiting on proximity value > upper threshold limit
-/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-# ifdef MAIN3
-
-int main() {
- unsigned char ID=0;
- unsigned char Command=0;
- unsigned char Current=0;
- unsigned int ProxiValue=0;
- unsigned int AmbiValue=0;
- unsigned char InterruptStatus=0;
- unsigned char InterruptControl=0;
-
- pc.baud(BAUD);
-
- // print information on screen
- pc.printf("\n\n VCNL4010/4020 Proximity/Ambient Light Sensor");
- pc.printf("\n library tested with mbed LPC1768 (ARM Cortex-M3 core) on www.mbed.org");
- pc.printf(VERSION);
- pc.printf("\n Demonstration #3:");
- pc.printf("\n Proximity Measurement in selfetimed mode with 31 measurements/s");
- pc.printf("\n Interrupt waiting on proximity value > upper threshold limit");
-
- VCNL40x0_Device.ReadID (&ID); // Read VCNL40x0 product ID revision register
- pc.printf("\n\n Product ID Revision Register: %d", ID);
-
- VCNL40x0_Device.SetCurrent (20); // Set current to 200mA
- VCNL40x0_Device.ReadCurrent (&Current); // Read back IR LED current
- pc.printf("\n IR LED Current: %d\n\n", Current);
-
- // stop all activities (necessary for changing proximity rate, see datasheet)
- VCNL40x0_Device.SetCommandRegister (COMMAND_ALL_DISABLE);
-
- // set proximity rate to 31/s
- VCNL40x0_Device.SetProximityRate (PROX_MEASUREMENT_RATE_31);
-
- // enable prox in selftimed mode
- VCNL40x0_Device.SetCommandRegister (COMMAND_PROX_ENABLE |
- COMMAND_SELFTIMED_MODE_ENABLE);
-
- // set interrupt control register
- VCNL40x0_Device.SetInterruptControl (INTERRUPT_THRES_SEL_PROX |
- INTERRUPT_THRES_ENABLE |
- INTERRUPT_COUNT_EXCEED_1);
-
- VCNL40x0_Device.ReadInterruptControl (&InterruptControl); // Read back Interrupt Control register
- pc.printf("\n Interrupt Control Register: %i\n\n", InterruptControl);
-
-
- // wait on prox data ready bit
- do {
- VCNL40x0_Device.ReadCommandRegister (&Command); // read command register
- } while (!(Command & COMMAND_MASK_PROX_DATA_READY)); // prox data ready ?
-
- VCNL40x0_Device.ReadProxiValue (&ProxiValue); // read prox value
- VCNL40x0_Device.SetHighThreshold (ProxiValue+100); // set high threshold for interrupt
-
- wait_ms(3000); // wait 3s (only for display)
-
-// endless loop /////////////////////////////////////////////////////////////////////////////////////
-
- while (1) {
-
- // wait on prox data ready bit
- do {
- VCNL40x0_Device.ReadCommandRegister (&Command); // read command register
- } while (!(Command & COMMAND_MASK_PROX_DATA_READY));// prox data ready ?
-
- mled0 = 1; // LED on
- VCNL40x0_Device.ReadProxiValue (&ProxiValue); // read prox value
- mled0 = 0; // LED off
-
- // read interrupt status register
- VCNL40x0_Device.ReadInterruptStatus (&InterruptStatus);
-
- // print prox value and interrupt status on screen
- pc.printf("\nProxi: %5.0i cts \tInterruptStatus: %i", ProxiValue, InterruptStatus);
-
- // check interrupt status for High Threshold
- if (InterruptStatus & INTERRUPT_MASK_STATUS_THRES_HI) {
- mled1 = 1; // LED on
- VCNL40x0_Device.SetInterruptStatus (InterruptStatus); // clear Interrupt Status
- mled1 = 0; // LED on
- }
- }
-}
-# endif
-
-/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-// main #4
-// Proximity Measurement and Ambientlight Measurement in selftimed mode
-// Proximity with 31 measurements/s, Ambientlight with 2 measurement/s
-// Interrupt waiting on proximity value > upper threshold limit
-/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
-# ifdef MAIN4
-
-int main() {
- unsigned int i=0;
- unsigned char ID=0;
- unsigned char Command=0;
- unsigned char Current=0;
- unsigned int ProxiValue=0;
- unsigned int SummeProxiValue=0;
- unsigned int AverageProxiValue=0;
- unsigned int AmbiValue=0;
- unsigned char InterruptStatus=0;
- unsigned char InterruptControl=0;
-
- pc.baud(BAUD);
-
- // print information on screen
- pc.printf("\n\n VCNL4010/4020 Proximity/Ambient Light Sensor");
- pc.printf("\n library tested with mbed LPC1768 (ARM Cortex-M3 core) on www.mbed.org");
- pc.printf(VERSION);
- pc.printf("\n Demonstration #4:");
- pc.printf("\n Proximity Measurement and Ambient light Measurement in selftimed mode");
- pc.printf("\n Proximity with 31 measurements/s, Ambient light with 2 measurement/s");
- pc.printf("\n Interrupt waiting on proximity value > upper threshold limit");
-
- VCNL40x0_Device.ReadID (&ID); // Read VCNL40x0 product ID revision register
- pc.printf("\n\n Product ID Revision Register: %d", ID);
-
- VCNL40x0_Device.SetCurrent (20); // Set current to 200mA
- VCNL40x0_Device.ReadCurrent (&Current); // Read back IR LED current
- pc.printf("\n IR LED Current: %d", Current);
-
- // stop all activities (necessary for changing proximity rate, see datasheet)
- VCNL40x0_Device.SetCommandRegister (COMMAND_ALL_DISABLE);
-
- // set proximity rate to 31/s
- VCNL40x0_Device.SetProximityRate (PROX_MEASUREMENT_RATE_31);
-
- // enable prox and ambi in selftimed mode
- VCNL40x0_Device.SetCommandRegister (COMMAND_PROX_ENABLE |
- COMMAND_AMBI_ENABLE |
- COMMAND_SELFTIMED_MODE_ENABLE);
-
- // set interrupt control for threshold
- VCNL40x0_Device.SetInterruptControl (INTERRUPT_THRES_SEL_PROX |
- INTERRUPT_THRES_ENABLE |
- INTERRUPT_COUNT_EXCEED_1);
-
- // set ambient light measurement parameter
- VCNL40x0_Device.SetAmbiConfiguration (AMBI_PARA_AVERAGE_32 |
- AMBI_PARA_AUTO_OFFSET_ENABLE |
- AMBI_PARA_MEAS_RATE_2);
-
- // measure average of prox value
- SummeProxiValue = 0;
-
- for (i=0; i<30; i++) {
- do { // wait on prox data ready bit
- VCNL40x0_Device.ReadCommandRegister (&Command); // read command register
- } while (!(Command & COMMAND_MASK_PROX_DATA_READY)); // prox data ready ?
-
- VCNL40x0_Device.ReadProxiValue (&ProxiValue); // read prox value
-
- SummeProxiValue += ProxiValue; // Summary of all measured prox values
- }
-
- AverageProxiValue = SummeProxiValue/30; // calculate average
-
- VCNL40x0_Device.SetHighThreshold (AverageProxiValue+100); // set upper threshold for interrupt
- pc.printf("\n Upper Threshold Value: %i cts\n\n", AverageProxiValue+100);
-
- wait_ms(2000); // wait 2s (only for display)
-
-// endless loop /////////////////////////////////////////////////////////////////////////////////////
-
- while (1) {
-
- // wait on data ready bit
- do {
- VCNL40x0_Device.ReadCommandRegister (&Command); // read command register
- } while (!(Command & (COMMAND_MASK_PROX_DATA_READY | COMMAND_MASK_AMBI_DATA_READY))); // data ready ?
-
- // read interrupt status register
- VCNL40x0_Device.ReadInterruptStatus (&InterruptStatus);
-
- // check interrupt status for High Threshold
- if (InterruptStatus & INTERRUPT_MASK_STATUS_THRES_HI) {
- mled2 = 1; // LED on, Interrupt
- VCNL40x0_Device.SetInterruptStatus (InterruptStatus); // clear Interrupt Status
- mled2 = 0; // LED off, Interrupt
- }
-
- // prox value ready for using
- if (Command & COMMAND_MASK_PROX_DATA_READY) {
- mled0 = 1; // LED on, Prox Data Ready
- VCNL40x0_Device.ReadProxiValue (&ProxiValue); // read prox value
-
- // print prox value and interrupt status on screen
- pc.printf("\nProxi: %5.0i cts \tInterruptStatus: %i", ProxiValue, InterruptStatus);
-
- mled0 = 0; // LED off, Prox data Ready
- }
-
- // ambi value ready for using
- if (Command & COMMAND_MASK_AMBI_DATA_READY) {
- mled1 = 1; // LED on, Ambi Data Ready
- VCNL40x0_Device.ReadAmbiValue (&AmbiValue); // read ambi value
-
- // print ambi value and interrupt status on screen
- pc.printf("\n Ambi: %i", AmbiValue);
-
- mled1 = 0; // LED off, Ambi Data Ready
- }
- }
-}
-# endif
-
--- a/mbed.bld Wed May 28 13:47:58 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/3d0ef94e36ec \ No newline at end of file