Bram Heldenbergh / NeoPixelI2cSlave

projectwerk

Dependencies:   NeoPixelString SimplyLog

Fork of NeoPixelI2cSlave by Nico De Witte

neopixel_i2c_daemon.cpp@3:02931c2b1e82, 2016-01-09 (annotated)

Committer:
BramHeldenbergh
Date:
Sat Jan 09 13:10:19 2016 +0000
Revision:
3:02931c2b1e82
Parent:
2:e0269262d1f2 
programma projectwerk

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dwini 0:3a31c84ed525 1 #include "neopixel_i2c_daemon.h"
BramHeldenbergh 3:02931c2b1e82 2 #include "strobe.h"
dwini 0:3a31c84ed525 3 #define DEBUG_MODE 1
dwini 0:3a31c84ed525 4 #include "log.h"
dwini 2:e0269262d1f2 5 NeoPixelI2cDaemon::NeoPixelI2cDaemon(I2cDevice * i2c, PinName alive_pin) : alive(alive_pin) {
dwini 0:3a31c84ed525 6 this->i2c = i2c;
dwini 2:e0269262d1f2 7 cAlive = 0;
dwini 0:3a31c84ed525 8 }
dwini 0:3a31c84ed525 9 void NeoPixelI2cDaemon::attachPixelString(NeoPixelString * pixelstring) {
dwini 0:3a31c84ed525 10 pixelstrings.push_back(pixelstring);
dwini 0:3a31c84ed525 11 }
dwini 0:3a31c84ed525 12 void NeoPixelI2cDaemon::allOff(void) {
dwini 0:3a31c84ed525 13 for (unsigned int i = 0; i < pixelstrings.size(); i++) {
dwini 0:3a31c84ed525 14 pixelstrings[i]->update(Colors::Black);
dwini 0:3a31c84ed525 15 }
dwini 0:3a31c84ed525 16 }
dwini 0:3a31c84ed525 17 void NeoPixelI2cDaemon::allSingleColor(neopixel::Pixel singlecolor) {
dwini 0:3a31c84ed525 18 for (unsigned int i = 0; i < pixelstrings.size(); i++) {
dwini 0:3a31c84ed525 19 pixelstrings[i]->update(singlecolor);
dwini 0:3a31c84ed525 20 }
dwini 0:3a31c84ed525 21 }
dwini 0:3a31c84ed525 22 void NeoPixelI2cDaemon::diagnoseAll(void) {
dwini 0:3a31c84ed525 23 for (unsigned int i = 0; i < pixelstrings.size(); i++) {
dwini 0:3a31c84ed525 24 pixelstrings[i]->diagnose();
dwini 0:3a31c84ed525 25 }
dwini 0:3a31c84ed525 26 }
dwini 0:3a31c84ed525 27 void NeoPixelI2cDaemon::listen(bool blocking=false) {
dwini 0:3a31c84ed525 28 char buffer[10];
dwini 0:3a31c84ed525 29 while (blocking) {
dwini 0:3a31c84ed525 30 // Check for i2c message
dwini 0:3a31c84ed525 31 int i = i2c->receive();
dwini 0:3a31c84ed525 32 // NoData - the slave has not been addressed
dwini 0:3a31c84ed525 33 // ReadAddressed - the master has requested a read from this slave
dwini 0:3a31c84ed525 34 // WriteAddressed - the master is writing to this slave
dwini 0:3a31c84ed525 35 // WriteGeneral - the master is writing to all slave
dwini 0:3a31c84ed525 36 switch (i) {
dwini 0:3a31c84ed525 37 case I2cDevice::ReadAddressed:
dwini 0:3a31c84ed525 38 char sendbuffer[1];
dwini 0:3a31c84ed525 39 sendbuffer[0] = pixelstrings.size();
dwini 0:3a31c84ed525 40 int result = i2c->write(sendbuffer, sizeof(sendbuffer));
dwini 0:3a31c84ed525 41 i2c->stop();
dwini 0:3a31c84ed525 42 if (!result) { // 0 on success, non-0 otherwise
dwini 0:3a31c84ed525 43 SimplyLog::Log::i("Send info to master successfully\r\n");
dwini 0:3a31c84ed525 44 } else {
dwini 0:3a31c84ed525 45 SimplyLog::Log::w("Send info to master failed\r\n");
dwini 0:3a31c84ed525 46 }
dwini 0:3a31c84ed525 47 break;
dwini 0:3a31c84ed525 48 case I2cDevice::WriteAddressed:
dwini 0:3a31c84ed525 49 {
dwini 0:3a31c84ed525 50 // First we read the command byte
dwini 0:3a31c84ed525 51 int command = i2c->read();
dwini 0:3a31c84ed525 52
dwini 0:3a31c84ed525 53 // Check the command
dwini 0:3a31c84ed525 54 switch (command)
dwini 0:3a31c84ed525 55 {
dwini 0:3a31c84ed525 56 case OFF:
dwini 0:3a31c84ed525 57 i2c->stop(); // Necessary !! Otherwise write will fail on master end
dwini 0:3a31c84ed525 58 SimplyLog::Log::i("Killing all neopixel leds\r\n");
dwini 0:3a31c84ed525 59 allOff();
BramHeldenbergh 3:02931c2b1e82 60
dwini 0:3a31c84ed525 61 break;
dwini 0:3a31c84ed525 62 case DIAGNOSTIC:
dwini 0:3a31c84ed525 63 i2c->stop(); // Necessary !! Otherwise write will fail on master end
dwini 0:3a31c84ed525 64 SimplyLog::Log::i("Executing diagnostic of neopixel strings\r\n");
dwini 0:3a31c84ed525 65 diagnoseAll();
dwini 0:3a31c84ed525 66 SimplyLog::Log::i("Diagnostic finished\r\n");
BramHeldenbergh 3:02931c2b1e82 67
dwini 0:3a31c84ed525 68 break;
dwini 0:3a31c84ed525 69 case SINGLE_COLOR:
dwini 0:3a31c84ed525 70 // Expect 3 more bytes [red green blue]
dwini 0:3a31c84ed525 71 if(!i2c->read(buffer, 3)) { //0 on success, non-0 otherwise
dwini 0:3a31c84ed525 72 neopixel::Pixel color;
dwini 0:3a31c84ed525 73 color.red = buffer[0];
dwini 0:3a31c84ed525 74 color.green = buffer[1];
dwini 0:3a31c84ed525 75 color.blue = buffer[2];
dwini 0:3a31c84ed525 76 allSingleColor(color);
dwini 0:3a31c84ed525 77 SimplyLog::Log::i("Setting single color [r,g,b] = [%d,%d,%d]\r\n", color.red, color.green, color.blue);
dwini 0:3a31c84ed525 78 } else {
dwini 0:3a31c84ed525 79 SimplyLog::Log::w("Single color set received with missing params\r\n");
dwini 0:3a31c84ed525 80 }
BramHeldenbergh 3:02931c2b1e82 81
BramHeldenbergh 3:02931c2b1e82 82 break;
BramHeldenbergh 3:02931c2b1e82 83
BramHeldenbergh 3:02931c2b1e82 84
BramHeldenbergh 3:02931c2b1e82 85 case STROBO:
BramHeldenbergh 3:02931c2b1e82 86 i2c->stop();
BramHeldenbergh 3:02931c2b1e82 87 SimplyLog::Log::w("We gaan een ticker aanroepen\r\n");
BramHeldenbergh 3:02931c2b1e82 88 hanzi= new Strobe(this);
BramHeldenbergh 3:02931c2b1e82 89 hanzi->strstart();
BramHeldenbergh 3:02931c2b1e82 90 SimplyLog::Log::w("Single color set received with missing params\r\n");
dwini 0:3a31c84ed525 91 break;
dwini 0:3a31c84ed525 92
dwini 0:3a31c84ed525 93 default:
dwini 0:3a31c84ed525 94 i2c->stop(); // Necessary !! Otherwise write will fail on master end
dwini 0:3a31c84ed525 95 SimplyLog::Log::w("Unknown command byte\r\n");
dwini 0:3a31c84ed525 96 }
dwini 0:3a31c84ed525 97 }
dwini 0:3a31c84ed525 98 }
dwini 0:3a31c84ed525 99 for(int i = 0; i < 10; i++) {
dwini 0:3a31c84ed525 100 buffer[i] = 0; // Clear buffer
dwini 0:3a31c84ed525 101 }
dwini 2:e0269262d1f2 102
dwini 2:e0269262d1f2 103 // Alive LED
dwini 2:e0269262d1f2 104 cAlive = (cAlive + 1) % 100000;
dwini 2:e0269262d1f2 105 if (!cAlive) {
dwini 2:e0269262d1f2 106 alive = !alive;
dwini 2:e0269262d1f2 107 }
BramHeldenbergh 3:02931c2b1e82 108
BramHeldenbergh 3:02931c2b1e82 109 hanzi->execute();
dwini 0:3a31c84ed525 110 }
dwini 0:3a31c84ed525 111 }