# THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY # APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT # HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY # OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR # PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM # IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF # ALL NECESSARY SERVICING, REPAIR OR CORRECTION. # IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING # WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS # THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY # GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE # USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF # DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD # PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), # EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF # SUCH DAMAGES. # Copyright (c) 2018 Dr. Oliver Barth # Frame for controlling CAN module import ttk import Tkinter as tk from can_MCP2515 import * from drblayout import * from drbTable import * # class FrameCAN(): # def __init__(self, frmCAN, hwmng): self.can = hwmng.getCAN() self.can_rx_ids = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] # configure frmCAN.columnconfigure(0, weight=1) frmCANConfig = ttk.LabelFrame(frmCAN, text="config") frmCANConfig.grid(column=0, row=0, sticky="nsew", padx=DRBLAYOUT_CompPadding, pady=DRBLAYOUT_CompPadding) labCAN_Baud = ttk.Label(frmCANConfig, text="Baudrate", padding=DRBLAYOUT_CompPadding) labCAN_Baud.grid(column=0, row=0, sticky="ns", padx=DRBLAYOUT_CompPadding, pady=DRBLAYOUT_CompPadding) entryCAN_Baud = ttk.Entry(frmCANConfig, width=11) entryCAN_Baud.grid(column=1, row=0, sticky="ns", padx=DRBLAYOUT_CompPadding, pady=DRBLAYOUT_CompPadding) butSetBaud = ttk.Button(frmCANConfig, text='set', width=10, command=self.setCANBaudrate) butSetBaud.grid(column=2, row=0, sticky="ns", padx=DRBLAYOUT_CompPadding, pady=DRBLAYOUT_CompPadding) labCAN_Opmode = ttk.Label(frmCANConfig, text="Opmode", padding=DRBLAYOUT_CompPadding) labCAN_Opmode.grid(column=0, row=1, sticky="ns", padx=DRBLAYOUT_CompPadding, pady=DRBLAYOUT_CompPadding) self.comboCAN_Opmodes = ttk.Combobox(frmCANConfig, values=MCP2515_opmodes, width=10) self.comboCAN_Opmodes.grid(column=1, row=1, sticky="ns", padx=DRBLAYOUT_CompPadding, pady=DRBLAYOUT_CompPadding) butSetOpmode = ttk.Button(frmCANConfig, text='set', width=10, command=self.setCANOpmode) butSetOpmode.grid(column=2, row=1, sticky="ns", padx=DRBLAYOUT_CompPadding, pady=DRBLAYOUT_CompPadding) labCAN_Register = ttk.Label(frmCANConfig, text="Register", padding=DRBLAYOUT_CompPadding) labCAN_Register.grid(column=3, row=0, sticky="ns", padx=DRBLAYOUT_CompPadding, pady=DRBLAYOUT_CompPadding) self.comboCAN_Register = ttk.Combobox(frmCANConfig, values=sorted(MCP2515_regs.keys()), width=10) self.comboCAN_Register.grid(column=4, row=0, sticky="ns", padx=DRBLAYOUT_CompPadding, pady=DRBLAYOUT_CompPadding) self.tfCAN_Register = tk.Text(frmCANConfig, height=1, width=11) self.tfCAN_Register.grid(column=5, row=0, sticky="ns", padx=DRBLAYOUT_CompPadding, pady=DRBLAYOUT_CompPadding) butMCP2515RegsSet = ttk.Button(frmCANConfig, text='set', width=10, command=self.setCANReg) butMCP2515RegsSet.grid(column=6, row=0, sticky="ns", padx=DRBLAYOUT_CompPadding, pady=DRBLAYOUT_CompPadding) butMCP2515RegsGet = ttk.Button(frmCANConfig, text='get', width=10, command=self.getCANReg) butMCP2515RegsGet.grid(column=7, row=0, sticky="ns", padx=DRBLAYOUT_CompPadding, pady=DRBLAYOUT_CompPadding) # receive frmCANRx = ttk.LabelFrame(frmCAN, text="receive") frmCANRx.grid(column=0, row=1, sticky="nsew", padx=DRBLAYOUT_CompPadding, pady=DRBLAYOUT_CompPadding) self.posTableRxFrame = ttk.Frame(frmCANRx, relief=tk.SUNKEN) self.posTableRxFrame.grid(column=0, row=0, sticky="nsew", padx=1, pady=1) colWidth = [10, 10, 10, 10, 10, 10, 10, 10, 10, 10] colHeader = ['id', 'dlc', 'b1', 'b2', 'b3', 'b4', 'b5', 'b6', 'b7', 'b8'] self.posTableRx = DrbTable(self.posTableRxFrame, "pos", 1, 10, colWidth, colHeader) for i in range (0, 10): row = ['', '', '', '', '', '', '', '', '', ''] self.posTableRx.addRow(row) butCANRx_Clear = ttk.Button(frmCANRx, text='clear', command=self.clearRXCAN) butCANRx_Clear.grid(column=1, row=0, sticky='nsew', padx=DRBLAYOUT_CompPadding, pady=DRBLAYOUT_CompPadding) # transmit frmCANTx = ttk.LabelFrame(frmCAN, text="transmit") frmCANTx.grid(column=0, row=2, sticky="nsew", padx=DRBLAYOUT_CompPadding, pady=DRBLAYOUT_CompPadding) self.posTableTxFrame = ttk.Frame(frmCANTx, relief=tk.SUNKEN) self.posTableTxFrame.grid(column=0, row=0, sticky="nsew", padx=1, pady=1) colWidth = [10, 10, 10, 10, 10, 10, 10, 10, 10, 10] colHeader = ['id', 'dlc', 'b1', 'b2', 'b3', 'b4', 'b5', 'b6', 'b7', 'b8'] self.posTableTx = DrbTable(self.posTableTxFrame, "pos", 1, 10, colWidth, colHeader) row = ['0x100', '8', '0x01', '0x02', '0x03', '0x04', '0x05', '0x06', '0x07', '0x08'] self.posTableTx.addRow(row) for i in range (0, 9): row = ['', '', '', '', '', '', '', '', '', ''] self.posTableTx.addRow(row) butCANTx = ttk.Button(frmCANTx, text='transmit', command=self.txCANMsg) butCANTx.grid(column=1, row=0, sticky='nsew', padx=DRBLAYOUT_CompPadding, pady=DRBLAYOUT_CompPadding) # entryCAN_Baud.insert(0, '500000') self.comboCAN_Opmodes.current(0) self.comboCAN_Register.current(0) # def setCANBaudrate(self): can_baud = entryCAN_Baud.get() self.can.setBaudrate(can_baud) # def setCANOpmode(self): pass #opmode = entryCAN_Baud.get() #self.can.setOpmode(opmode) # def getCANReg(self): reg = MCP2515_regs[self.comboCAN_Register.get()] val = self.can.getReg(reg) self.tfCAN_Register.delete("1.0", tk.END) self.tfCAN_Register.insert("1.0", hex(val)) # def setCANReg(self): val = int(self.tfCAN_Register.get("1.0", tk.END)) reg = MCP2515_regs[self.comboCAN_Register.get()] self.can.setReg(eg, val) # def txCANMsg(self): row = self.posTableTx.getSelRow() if(row > 0): txid = int(row[0], 0) dlc = int(row[1]) b = [] for i in range (0, dlc): b.append(int(row[i + 2], 0)) self.can.addToTransmitQueue(txid, dlc, b) # def clearRXCAN(self): self.tfCANRX.delete("1.0", tk.END) # def canMsgReceived(self, rxdata): row = 0 while row < 10: if (self.can_rx_ids[row] == -1) or (rxdata[0] == self.can_rx_ids[row]): self.can_rx_ids[row] = rxdata[0] row += 1 self.posTableRx.setCellValue(row, 1, hex(rxdata[0])) self.posTableRx.setCellValue(row, 2, rxdata[1]) for i in range (0, rxdata[1]): self.posTableRx.setCellValue(row, 3 + i, hex(rxdata[i + 2])) for i in range (rxdata[1], 8): self.posTableRx.setCellValue(row, 3 + i, '') break else: row = row + 1 # def update(self): pass