Ultra Low Power (5uA) 2D Rotating Magnetic Angle Sensor + Touch + Inductive Proximity (Metal Detect)

Dependencies:   IQS62x IQSDisplayTerminal mbed

IQS624 Hello World

Ultra Low Power (5uA) I2C ProxFusion™ sensor for 2D Magnetic Angle + Touch + Proximity

/media/uploads/AzqDev/iqs624-and-lpc1768-tiny.gif
IQS624 connected to mbed LPC1768. The five wires are - 2x I2C, 2x Power, 1x RDY.
You can get get a low cost (<$10) evaluation kit containing the small board shown above (cables & LPC1768 not included) from Mouser - http://bit.ly/IQS624-Eval-Kit-Mouser

IQS624 Information

Azoteq IQS624 is an ultra low power (5uA) I2C sensor for 2D Rotating Magnetic Fields, Capactive Touch and Inductive Proximity.
Designed for next generation user interfaces.

Data sheet & eval kit info: http://www.azoteq.com/products/proxfusion/iqs624?mbed

IQS624 mbed Component Link

Components / IQS624
Ultra low power sensor for rotating magnetic field, capacitive touch, and inductive proximity. Empowers next-generation user interfaces.

IQS624 Pinout

/media/uploads/AzqDev/iqs624-5-pinout-for-i2c-ultra-low-power-sensor-with-2d-magnetic-angle-capacitive-touch-inductive.gif

IQS624 Data Sheet & Evaluation Kit Information


http://www.azoteq.com/products/proxfusion/iqs624?mbed

IQS624 Interconnection

/media/uploads/AzqDev/iqs624-3-connect-mbed-i2c-ultra-low-power-sensor-with-2d-magnetic-angle-capacitive-touch.gif
/media/uploads/AzqDev/iqs624-and-teensy-tiny.gif
IQS624 connected to mbed Teensy 3.1 (actually Teensy 3.2) using 5 wires - 2x I2C, 2x Power, 1x RDY.

IQS624 YouTube Links


IQS624 1-minute YouTube video: http://bit.ly/IQS624Video

ProxFusion for active pens: https://youtu.be/tUImswNPQY4

Committer:
AzqDev
Date:
Sun May 14 16:25:11 2017 +0000
Revision:
20:f0e446e5b209
Parent:
19:691019fc9891
Child:
21:5e3955335251
Added DUMP_ALL_REGISTERS

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AzqDev 0:e20adaf21bb6 1 // IQS624-HelloWorld.cpp
AzqDev 0:e20adaf21bb6 2
AzqDev 0:e20adaf21bb6 3 // Hello World program for Azoteq IQS624 ultra low power sensor for 2D magnetic angle, capacitive touch and inductive proximity sensor.
AzqDev 0:e20adaf21bb6 4
AzqDev 11:1a328b8ebbce 5 // More info on IQS624 sensor IC: http://www.azoteq.com/products/proxfusion/iqs624?mbed
AzqDev 3:956d9eac7af5 6
AzqDev 8:e2030ed39638 7 // IQS624 1-minute youtube video: http://bit.ly/IQS624Video
AzqDev 7:4c9caa1d025c 8
AzqDev 0:e20adaf21bb6 9 // Copyright 2017 Azoteq. 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.
AzqDev 0:e20adaf21bb6 10
AzqDev 0:e20adaf21bb6 11 // Output is via the USB debug serial port to a terminal program
AzqDev 0:e20adaf21bb6 12
AzqDev 0:e20adaf21bb6 13 // Tested on the following MBED hardware - mostly using Azoteq-to-Arduino Adapter Boards
AzqDev 0:e20adaf21bb6 14 // Note: When compiling for new hardware, use "Compile All" to rebuild everything
AzqDev 3:956d9eac7af5 15 // Note 2: If you get "unkown target type" in USBxxx.h, remove the USB library
AzqDev 9:8dcee60ce764 16 // 1. ST Micro Nucleo-L152RE Azoteq Adapter Boards: AZP675E02, AZP694A02, AZP690E01
AzqDev 9:8dcee60ce764 17 // 2. ST Micro Nucleo-F401RE Azoteq Adapter Boards: AZP675E02, AZP694A02, AZP690E01
AzqDev 9:8dcee60ce764 18 // 3. ST Micro Nucleo-L476RG Azoteq Adapter Boards: AZP675E02, AZP694A02, AZP690E01
AzqDev 9:8dcee60ce764 19 // 4. ST Micro Nucleo-L053R8 Azoteq Adapter Boards: AZP675E02, AZP694A02, AZP690E01
AzqDev 9:8dcee60ce764 20 // 5. ST Micro Nucleo-F446RE Azoteq Adapter Boards: AZP675E02, AZP694A02, AZP690E01
AzqDev 9:8dcee60ce764 21 // 6. ST Micro Disco-F746NG Azoteq Adapter Boards: AZP675E02, AZP694A02, AZP690E01
AzqDev 9:8dcee60ce764 22 // 7. Freescale FRDM-KL46Z Azoteq Adapter Boards: AZP675E02, AZP694A02, AZP690E01
AzqDev 9:8dcee60ce764 23 // 8. Freescale FRDM-KL25Z Azoteq Adapter Boards: AZP675E02, AZP694A02, AZP690E01
AzqDev 9:8dcee60ce764 24 // 9. mbed LPC1768 Azoteq adapter AZP690E01 [SDA,SCL,RDY] wired to LPC1768 [p28,p27,p26]
AzqDev 9:8dcee60ce764 25 // 10. mbed LPC11U24 Azoteq adapter AZP690E01 [SDA,SCL,RDY] wired to LPC11U24 [p28,p27,p26]
AzqDev 0:e20adaf21bb6 26
AzqDev 3:956d9eac7af5 27 // These two boards additionally require the USBDevice library: https://developer.mbed.org/users/mbed_official/code/USBDevice/
AzqDev 20:f0e446e5b209 28 // 11. Teensy 3.1 Azoteq adapter AZP690E01 [SDA,SCL,RDY] wired to Teensy 3.1 [p18,p19,p2]
AzqDev 20:f0e446e5b209 29 // 12. Teensy 3.2 Azoteq adapter AZP690E01 [SDA,SCL,RDY] wired to Teensy 3.2 [p18,p19,p2]
AzqDev 3:956d9eac7af5 30
AzqDev 10:6fc446a71987 31 // Direct wiring of ST Micro Nucleo boards to AZP690E01 (IQS621-EVAL-1 board)
AzqDev 10:6fc446a71987 32 // CN10-3 = SCL, CN10-5 = SDA, CN10-33 = RDY, CN11 = GND, CN7-16 = 3.3V
AzqDev 10:6fc446a71987 33
AzqDev 10:6fc446a71987 34
AzqDev 0:e20adaf21bb6 35 #include "mbed.h"
AzqDev 0:e20adaf21bb6 36 #include "IQS62x.h"
AzqDev 0:e20adaf21bb6 37 #include "IQSdisplayTerminal.h"
AzqDev 0:e20adaf21bb6 38
AzqDev 0:e20adaf21bb6 39 IQS62xDisplay terminal; // class to display IQS62x registers on a terminal
AzqDev 0:e20adaf21bb6 40 IQS62xIO iqs62x; // class for basic IQS62x block read and write
AzqDev 0:e20adaf21bb6 41
AzqDev 20:f0e446e5b209 42 int main()
AzqDev 20:f0e446e5b209 43 {
AzqDev 0:e20adaf21bb6 44 terminal.helloMessage(false); // say hello and don't wait for user keypress to continue
AzqDev 0:e20adaf21bb6 45 iqs62x.configure(); // configure the IC
AzqDev 19:691019fc9891 46 while(1) { // main loop where we continuously display all the registers
AzqDev 15:fe9663c89c80 47 iqs62x.readIqsRegisters(0,NUMBER_OF_REGISTERS); // read all the registers
AzqDev 0:e20adaf21bb6 48 terminal.showStatus(iqs62x.I2Cspeed,iqs62x.I2CErrorCount); // show heading and number of I2C errors
AzqDev 20:f0e446e5b209 49 char * highlightTable = iqs62x.readChanges; // table with all registers that changed during previous 20 reads
AzqDev 20:f0e446e5b209 50 #define DUMP_ALL_REGISTERS false /* dump (or not) all 16 registers on each line - nonexisting registers return 0xee */
AzqDev 20:f0e446e5b209 51 terminal.showRegisters(iqs62x.registers, highlightTable, DUMP_ALL_REGISTERS); // color all registers flagged in the highlight table
AzqDev 0:e20adaf21bb6 52 }
AzqDev 0:e20adaf21bb6 53 }
AzqDev 0:e20adaf21bb6 54
AzqDev 0:e20adaf21bb6 55 // end of IQS624_HelloWorld.cpp