Adding initial CanBus sample.

SmingHub · May 31, 2019 · 541e167 · 541e167
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diff --git a/samples/CanBus/.cproject b/samples/CanBus/.cproject
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diff --git a/samples/CanBus/.project b/samples/CanBus/.project
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>CanBus</name>
+	<comment></comment>
+	<projects>
+		<project>SmingFramework</project>
+	</projects>
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diff --git a/samples/CanBus/Makefile b/samples/CanBus/Makefile
@@ -0,0 +1,20 @@
+#####################################################################
+#### Please don't change this file. Use Makefile-user.mk instead ####
+#####################################################################
+# Including user Makefile.
+# Should be used to set project-specific parameters
+include ./Makefile-user.mk
+
+# Important parameters check.
+# We need to make sure SMING_HOME and ESP_HOME variables are set.
+# You can use Makefile-user.mk in each project or use enviromental variables to set it globally.
+
+ifndef SMING_HOME
+$(error SMING_HOME is not set. Please configure it in Makefile-user.mk)
+endif
+ifndef ESP_HOME
+$(error ESP_HOME is not set. Please configure it in Makefile-user.mk)
+endif
+
+# Include application Makefile
+include $(SMING_HOME)/Makefile-rboot.mk
diff --git a/samples/CanBus/Makefile-user.mk b/samples/CanBus/Makefile-user.mk
@@ -0,0 +1,39 @@
+## Local build configuration
+## Parameters configured here will override default and ENV values.
+## Uncomment and change examples:
+
+## Add your source directories here separated by space
+# MODULES = app
+# EXTRA_INCDIR = include
+
+## ESP_HOME sets the path where ESP tools and SDK are located.
+## Windows:
+# ESP_HOME = c:/Espressif
+
+## MacOS / Linux:
+# ESP_HOME = /opt/esp-open-sdk
+
+## SMING_HOME sets the path where Sming framework is located.
+## Windows:
+# SMING_HOME = c:/tools/sming/Sming 
+
+## MacOS / Linux
+# SMING_HOME = /opt/sming/Sming
+
+## COM port parameter is reqruied to flash firmware correctly.
+## Windows: 
+# COM_PORT = COM3
+
+## MacOS / Linux:
+# COM_PORT = /dev/tty.usbserial
+
+## Com port speed
+# COM_SPEED	= 115200
+
+## Configure flash parameters (for ESP12-E and other new boards):
+# SPI_MODE = dio
+
+## SPIFFS options
+DISABLE_SPIFFS = 1
+# SPIFF_FILES = files
+
diff --git a/samples/CanBus/app/application.cpp b/samples/CanBus/app/application.cpp
@@ -0,0 +1,41 @@
+#include <SmingCore.h>
+
+#include <Libraries/MCP_CAN_lib/mcp_can.h>
+#include <SPI.h>
+
+unsigned long rxId;
+byte len;
+byte rxBuf[8];
+
+byte txBuf0[] = {0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55};
+byte txBuf1[] = {0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA};
+
+MCP_CAN CAN0(10); // CAN0 interface using CS on digital pin 10
+MCP_CAN CAN1(9);  // CAN1 interface using CS on digital pin 9
+
+void init()
+{
+	Serial.begin(115200);
+
+	// init CAN0 bus, baudrate: 250k@16MHz
+	if(CAN0.begin(MCP_EXT, CAN_250KBPS, MCP_16MHZ) == CAN_OK) {
+		Serial.print("CAN0: Init OK!\r\n");
+		CAN0.setMode(MCP_NORMAL);
+	} else {
+		Serial.print("CAN0: Init Fail!!!\r\n");
+	}
+
+	// init CAN1 bus, baudrate: 250k@16MHz
+	if(CAN1.begin(MCP_EXT, CAN_250KBPS, MCP_16MHZ) == CAN_OK) {
+		Serial.print("CAN1: Init OK!\r\n");
+		CAN1.setMode(MCP_NORMAL);
+	} else {
+		Serial.print("CAN1: Init Fail!!!\r\n");
+	}
+
+	// Set SPI to run at 8MHz (16MHz / 2 = 8 MHz)
+	SPI.beginTransaction(SPISettings(8000000, MSBFIRST, SPI_MODE3));
+
+	CAN0.sendMsgBuf(0x1000000, 1, 8, txBuf0);
+	CAN1.sendMsgBuf(0x1000001, 1, 8, txBuf1);
+}