rik/arduino-tm1638
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Migrate to initial protocol for communication that allows setup of display and control of LEDs

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This commit is contained in:
Rik Veenboer
2015-03-18 20:39:25 +00:00
parent 5e99d0a14b
commit a1812e08b2
5 changed files with 152 additions and 46 deletions
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8
.gitignore vendored
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@@ -1,2 +1,8 @@
/.pioenvs
/.sconsign.dblite
/.sconsign.dblite
/src/*.pb.h
/src/*.pb.c
/src/pb_*.h
/src/pb_*.c
/src/pb.h
/*.pb

7
Makefile
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@@ -3,7 +3,7 @@ GOOGLE_PROTOBUF_INCLUDES = protobuf/src
NANOPB_DIR = nanopb/generator
PROTO_INCLUDES = -I$(PROTO_DIR) -I$(GOOGLE_PROTOBUF_INCLUDES) -I$(NANOPB_DIR)/proto
all: nanopb beerduino.pb
all: nanopb tm1638.pb
nanopb: nanopb_nanopb nanopb_plugin
cp nanopb/pb.h src
@@ -21,4 +21,7 @@ nanopb_%: $(NANOPB_DIR)/proto/%.proto
protoc -o$@ $< $(PROTO_INCLUDES)
python $(NANOPB_DIR)/nanopb_generator.py $@ -L '#include "%s"'
mv -f $@.h src
mv -f $@.c src
mv -f $@.c src
run:
platformio run

14
proto/beerduino.proto
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@@ -1,14 +0,0 @@
import "nanopb.proto";
package beerduino;
message Ping {
required int32 id = 1;
}
message Echo {
required int32 id = 1;
optional string message = 2 [(nanopb).max_size = 40];
}

54
proto/tm1638.proto Normal file
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@@ -0,0 +1,54 @@
import "nanopb.proto";
package tm1638;
enum Color {
GREEN = 1;
RED = 2;
BOTH = 3;
NONE = 4;
}
enum Module {
TM1638 = 1;
InvertedTM1638 = 2;
TM1640 = 3;
}
message Command {
enum Type {
PING = 1;
CONSTRUCT = 2;
SET_LED = 10;
}
required Type type = 1;
optional Ping ping = 2;
optional Construct construct = 3;
optional SetLed setLed = 10;
}
message Ping {
required int32 id = 1;
}
message Echo {
required int32 id = 1;
optional string message = 2;// [(nanopb).max_size = 40];
}
message Construct {
required int32 dataPin = 1;
required int32 clockPin = 2;
optional int32 strobePin = 3;
optional bool activateDisplay = 4 [default = true];
optional int32 intensity = 5 [default = 7];
optional Module module = 6 [default = TM1638];
optional int32 id = 7 [default = 0];
}
message SetLed {
required Color color = 1;
required int32 pos = 2;
optional int32 id = 3 [default = 1];
}

115
src/main.cpp
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@@ -1,47 +1,104 @@
#include <stdint.h>
#include "Arduino.h"
#include <TM1638.h>
#include <InvertedTM1638.h>
#include <TM1640.h>
extern "C" {
#include "pb_decode.h"
#include "pb_encode.h"
#include "beerduino.pb.h"
#include "tm1638.pb.h"
}
TM1640 *tm1640;
TM1638 *tm1638[6];
TM16XX *module;
int t = 123;
int id;
_tm1638_Construct construct;
void setup() {
Serial.begin(9600);
Serial.println("Hello.");
Serial.begin(9600);
}
void loop() {
}
void sendEcho(int id, char message[]) {
_tm1638_Echo echo = {id, true};
strncpy(echo.message, message, 40);
uint8_t out_buffer[256];
pb_ostream_t ostream = pb_ostream_from_buffer(out_buffer, sizeof(out_buffer));
if (pb_encode_delimited(&ostream, tm1638_Echo_fields, &echo)) {
Serial.write(out_buffer, ostream.bytes_written);
}
}
void serialEvent() {
if(Serial.available()) {
int packet_size = Serial.read();
if(Serial.available()) {
int packet_size = Serial.read();
uint8_t in_buffer[256];
int bytes_read = Serial.readBytes((char*) in_buffer, packet_size);
if (bytes_read != packet_size) {
return;
}
pb_istream_t istream = pb_istream_from_buffer(in_buffer, bytes_read);
_tm1638_Command command;
if (!pb_decode(&istream, tm1638_Command_fields, &command)) {
return;
}
uint8_t in_buffer[256];
int bytes_read = Serial.readBytes((char*)in_buffer, packet_size);
if (bytes_read != packet_size) {
// Well... fuck
return;
switch (command.type) {
case tm1638_Command_Type_PING:
if (command.has_ping) {
_tm1638_Ping ping = command.ping;
sendEcho(ping.id, "Pong");
tm1638[0]->setDisplayToDecNumber(ping.id, 0);
}
break;
case tm1638_Command_Type_CONSTRUCT:
construct = command.construct;
id = construct.id;
sendEcho(0, "ID:");
switch (construct.module) {
case tm1638_Module_TM1638:
tm1638[0] = new TM1638((byte) construct.dataPin, (byte) construct.clockPin, (byte) construct.strobePin, construct.activateDisplay, (byte) construct.intensity);
// tm1638[0] = new TM1638(8, 9, 7);
tm1638[0]->setupDisplay(true, 1);
break;
case tm1638_Module_InvertedTM1638:
tm1638[0] = new InvertedTM1638((byte) construct.dataPin, (byte) construct.clockPin, (byte) construct.strobePin, construct.activateDisplay, (byte) construct.intensity);
break;
case tm1638_Module_TM1640:
tm1640 = new TM1640((byte) construct.dataPin, (byte) construct.clockPin, construct.activateDisplay, (byte) construct.intensity);
break;
}
break;
case tm1638_Command_Type_SET_LED:
if (command.has_setLed) {
_tm1638_SetLed setLed = command.setLed;
byte color;
switch (setLed.color) {
case tm1638_Color_GREEN:
color = TM1638_COLOR_GREEN;
break;
case tm1638_Color_RED:
color = TM1638_COLOR_RED;
break;
case tm1638_Color_BOTH:
color = TM1638_COLOR_GREEN + TM1638_COLOR_RED;
break;
case tm1638_Color_NONE:
color = TM1638_COLOR_NONE;
break;
}
tm1638[0]->setLED(color, setLed.pos);
}
break;
}
}
pb_istream_t istream = pb_istream_from_buffer(in_buffer, bytes_read);
beerduino_Ping ping_msg;
if(!pb_decode(&istream, beerduino_Ping_fields, &ping_msg)) {
// Well... fuck
return;
}
beerduino_Echo echo_msg = {ping_msg.id, true, "Hello"};
uint8_t out_buffer[256];
pb_ostream_t ostream = pb_ostream_from_buffer(out_buffer,
sizeof(out_buffer));
if (pb_encode(&ostream, beerduino_Echo_fields, &echo_msg)) {
Serial.write(ostream.bytes_written);
Serial.write(out_buffer, ostream.bytes_written);
}
}
}
}