-
Notifications
You must be signed in to change notification settings - Fork 17
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
8126182
commit 59fb4ac
Showing
18 changed files
with
242 additions
and
139 deletions.
There are no files selected for viewing
103 changes: 103 additions & 0 deletions
103
examples/LoopBackDemoArduinoUno/LoopBackDemoArduinoUno.ino
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| //—————————————————————————————————————————————————————————————————————————————— | ||
| // ACAN2517FD Demo in loopback mode, for Arduino Uno | ||
| //—————————————————————————————————————————————————————————————————————————————— | ||
|
|
||
| #include <ACAN2517FD.h> | ||
| #include <SPI.h> | ||
|
|
||
| //—————————————————————————————————————————————————————————————————————————————— | ||
| // Very very important: put a 10kΩ resistor between CS and VDD of MCP2517FD | ||
|
|
||
| static const byte MCP2517_CS = 10 ; // CS input of MCP2517 | ||
| static const byte MCP2517_INT = 3 ; // INT output of MCP2517 | ||
|
|
||
| //—————————————————————————————————————————————————————————————————————————————— | ||
| // ACAN2517FD Driver object | ||
| //—————————————————————————————————————————————————————————————————————————————— | ||
|
|
||
| ACAN2517FD can (MCP2517_CS, SPI, MCP2517_INT) ; | ||
|
|
||
| //—————————————————————————————————————————————————————————————————————————————— | ||
| // SETUP | ||
| //—————————————————————————————————————————————————————————————————————————————— | ||
|
|
||
| void setup () { | ||
| //--- Start serial | ||
| Serial.begin (115200) ; | ||
| //--- Wait for serial (blink led at 10 Hz during waiting) | ||
| while (!Serial) { | ||
| delay (50) ; | ||
| } | ||
| //----------------------------------- Begin SPI | ||
| SPI.begin () ; | ||
| //--- Configure ACAN2517FD | ||
| Serial.print ("sizeof (ACAN2517FDSettings): ") ; | ||
| Serial.print (sizeof (ACAN2517FDSettings)) ; | ||
| Serial.println (" bytes") ; | ||
| Serial.println ("Configure ACAN2517FD") ; | ||
| ACAN2517FDSettings settings (ACAN2517FDSettings::OSC_40MHz, 125UL * 1000UL, ACAN2517FDSettings::DATA_BITRATE_x1) ; | ||
| settings.mRequestedMode = ACAN2517FDSettings::InternalLoopBack ; // Select loopback mode | ||
| //--- Default values are too high for an Arduino Uno that contains 2048 bytes of RAM: reduce them | ||
| settings.mDriverTransmitFIFOSize = 1 ; | ||
| settings.mDriverReceiveFIFOSize = 1 ; | ||
| //--- RAM Usage | ||
| Serial.print ("MCP2517FD RAM Usage: ") ; | ||
| Serial.print (settings.ramUsage ()) ; | ||
| Serial.println (" bytes") ; | ||
| //--- Begin | ||
| const uint32_t errorCode = can.begin (settings, [] { can.isr () ; }) ; | ||
| if (errorCode == 0) { | ||
| Serial.print ("Bit Rate prescaler: ") ; | ||
| Serial.println (settings.mBitRatePrescaler) ; | ||
| Serial.print ("Arbitration Phase segment 1: ") ; | ||
| Serial.println (settings.mArbitrationPhaseSegment1) ; | ||
| Serial.print ("Arbitration Phase segment 2: ") ; | ||
| Serial.println (settings.mArbitrationPhaseSegment2) ; | ||
| Serial.print ("Arbitration SJW:") ; | ||
| Serial.println (settings.mArbitrationSJW) ; | ||
| Serial.print ("Actual Arbitration Bit Rate: ") ; | ||
| Serial.print (settings.actualArbitrationBitRate ()) ; | ||
| Serial.println (" bit/s") ; | ||
| Serial.print ("Exact Arbitration Bit Rate ? ") ; | ||
| Serial.println (settings.exactArbitrationBitRate () ? "yes" : "no") ; | ||
| Serial.print ("Arbitration Sample point: ") ; | ||
| Serial.print (settings.arbitrationSamplePointFromBitStart ()) ; | ||
| Serial.println ("%") ; | ||
| }else{ | ||
| Serial.print ("Configuration error 0x") ; | ||
| Serial.println (errorCode, HEX) ; | ||
| } | ||
| } | ||
|
|
||
| //—————————————————————————————————————————————————————————————————————————————— | ||
| // LOOP | ||
| //—————————————————————————————————————————————————————————————————————————————— | ||
|
|
||
| static uint32_t gSendDate = 0 ; | ||
| static uint32_t gReceivedFrameCount = 0 ; | ||
| static uint32_t gSentFrameCount = 0 ; | ||
|
|
||
| //—————————————————————————————————————————————————————————————————————————————— | ||
|
|
||
| void loop () { | ||
| CANFDMessage frame ; | ||
| if (gSendDate < millis ()) { | ||
| gSendDate += 2000 ; | ||
| const bool ok = can.tryToSend (frame) ; | ||
| if (ok) { | ||
| gSentFrameCount += 1 ; | ||
| Serial.print ("Sent: ") ; | ||
| Serial.println (gSentFrameCount) ; | ||
| }else{ | ||
| Serial.println ("Send failure") ; | ||
| } | ||
| } | ||
| if (can.available ()) { | ||
| can.receive (frame) ; | ||
| gReceivedFrameCount ++ ; | ||
| Serial.print ("Received: ") ; | ||
| Serial.println (gReceivedFrameCount) ; | ||
| } | ||
| } | ||
|
|
||
| //—————————————————————————————————————————————————————————————————————————————— |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.