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Basic DRV2605 driver demo
Dependencies: DRV2605 MPR121 mbed
Revision 0:4f0a06335fbe, committed 2015-10-21
- Comitter:
- electromotivated
- Date:
- Wed Oct 21 01:09:14 2015 +0000
- Commit message:
- v1 upload;
Changed in this revision
diff -r 000000000000 -r 4f0a06335fbe DRV2605.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DRV2605.lib Wed Oct 21 01:09:14 2015 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/users/electromotivated/code/DRV2605/#3b2b4f34aaca
diff -r 000000000000 -r 4f0a06335fbe MPR121.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MPR121.lib Wed Oct 21 01:09:14 2015 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/users/electromotivated/code/MPR121/#f0e656f25701
diff -r 000000000000 -r 4f0a06335fbe main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Wed Oct 21 01:09:14 2015 +0000 @@ -0,0 +1,158 @@ +/* + Bryce Williams + 10/19/2015 + + Basic Demo of the TI DRV2605L Haptics Driver Breakout. + This code uses the MPR121 Library and modified version + of Dr. Jim Hamblen's Hello World Example for the MPR121 + for Capacitive Touch Keypad for user input. + + The user and touch keys 3,7,11,2,6,10, 1,5,9,and 0. + Each Key will toggle through about 10 effects each, + (key 11 toggles between 12 or 13 of the effects). + Effects are the ROM Library Haptics effects internal to + the DRV2605L Haptics Driver. +*/ + +#include "mbed.h" +#include "DRV2605.h" +#include "mpr121.h" + +DRV2605 haptics(p9, p10); +DigitalOut led1(LED1); +DigitalOut led2(LED2); +DigitalOut led3(LED3); +DigitalOut led4(LED4); +// Setup the i2c bus on pins 28 and 27 +I2C i2c(p28, p27); +// Create the interrupt receiver object on pin 26 +InterruptIn interrupt(p26); + +// Setup the Mpr121 Cap Touch Driver: +// constructor(i2c object, i2c address of the mpr121) +Mpr121 mpr121(&i2c, Mpr121::ADD_VSS); + +void fallInterrupt() { + int key_code=0; + int i=0; + int value=mpr121.read(0x00); + value +=mpr121.read(0x01)<<8; + // LED demo mod by J. Hamblen + printf("MPR value: %x \r\n", value); + i=0; + // puts key number out to LEDs for demo + for (i=0; i<12; i++) { + if (((value>>i)&0x01)==1) key_code=i+1; + } + led4=key_code & 0x01; + led3=(key_code>>1) & 0x01; + led2=(key_code>>2) & 0x01; + led1=(key_code>>3) & 0x01; + + // Evaluate Keypad from Left-to-Right Top-to-Bottom like reading + // Each Key sequences through decimal indexes ending with + // corresponding positions... i.e. + // Key 3 (value = 800) sequences 3, 13, 23, ... 123 + // Key 5 (value = 40) sequences 5, 15, 25,... 115 + // Key 11(value = 10) and 12 (value = 100) are free for custom + // implementation + switch(value){ + static int e1 = 1, e2 = 2, e3 = 3, e4 = 4, e5 = 5, e6 = 6, + e7 = 7, e8 = 8, e9 = 9, e10 = 10; + case 0x8: + printf("Playing %i\n", e1); + haptics.play_waveform(e1); + e1+=10; + if(e1 > 121) e1 = 1; + break; + case 0x80: + printf("Playing %i\n", e2); + haptics.play_waveform(e2); + e2+=10; + if(e2 > 122) e2 = 2; + break; + case 0x800: + printf("Playing %i\n", e3); + haptics.play_waveform(e3); + e3+=10; + if(e3 > 123) e3 = 3; + break; + case 0x4: + printf("Playing %i\n", e4); + haptics.play_waveform(e4); + e4+=10; + if(e4 > 114) e4 = 4; + break; + case 0x40: + printf("Playing %i\n", e5); + haptics.play_waveform(e5); + e5+=10; + if(e5 > 115) e5 = 5; + break; + case 0x400: + printf("Playing %i\n", e6); + haptics.play_waveform(e6); + e6+=10; + if(e6 > 116) e6 = 6; + break; + case 0x2: + printf("Playing %i\n", e7); + haptics.play_waveform(e7); + e7+=10; + if(e7 > 117) e7 = 7; + break; + case 0x20: + printf("Playing %i\n", e8); + haptics.play_waveform(e8); + e8+=10; + if(e8 > 118) e8 = 8; + break; + case 0x200: + printf("Playing %i\n", e9); + haptics.play_waveform(e9); + e9+=10; + if(e9 > 119) e9 = 9; + break; + case 0x1: + printf("Playing %i\n", e10); + haptics.play_waveform(e10); + e10+=10; + if(e10 > 120) e10 = 10; + break; + case 0x10: + break; + case 0x100: + break; + } +} + +int main() { + // Set up Interrupts for MPR121 Cap Touch Driver/ Keypad + interrupt.fall(&fallInterrupt); + interrupt.mode(PullUp); + + // Daignostics Routine + printf("Diagnostics Result: %X\n", haptics.diagnostics()); + + // Initialization Procedure as outlined in Section 9.3 of Device Datasheet + printf("Calibration Result: %X\n",haptics.init(3.3)); + + // Daignostics Routine + printf("Diagnostics Result: %X\n", haptics.diagnostics()); + + // Play sequence of library waveforms as outlined in Section 9.3.2.1 of Device Datasheet + haptics.load_waveform_sequence(123,21,43,18,94,48,112,36); + haptics.play(); + while(haptics.i2cReadByte(GO)); // Wait for playback to complete + + wait(2); + + haptics.load_waveform_sequence(55,65); + haptics.play(); + while(haptics.i2cReadByte(GO)); // Wait for playback to complete + + wait(2); + + // Play a waveform corresponding to touch-keypad press + while(1); +}
diff -r 000000000000 -r 4f0a06335fbe mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Oct 21 01:09:14 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/34e6b704fe68 \ No newline at end of file