From a1a1c89b91fc9476c51981699aaa7c2bccdd8570 Mon Sep 17 00:00:00 2001
From: tao_z <tzj0429@163.com>
Date: Sun, 07 Aug 2022 14:19:02 +0800
Subject: [PATCH] SX7H初步完成

---
 Shifter.py |  183 ++++++++++++++++++++++++++++++++++++++++-----
 1 files changed, 163 insertions(+), 20 deletions(-)

diff --git a/Shifter.py b/Shifter.py
index fb8f852..48472d0 100644
--- a/Shifter.py
+++ b/Shifter.py
@@ -1,17 +1,18 @@
-
 from ShifterDefine import *
 import struct
 from udsoncan import DidCodec
 
 import configparser
+import cantools
+
+ProjectDBC = cantools.database.load_file("DBC/SX7H.dbc")
 
 
 class AsciiCodec(DidCodec):
 
     def __init__(self, string_len=None):
         if string_len is None:
-            raise ValueError(
-                "You must provide a length to the AsciiCodec")
+            raise ValueError("You must provide a length to the AsciiCodec")
         self.string_len = string_len
 
     def encode(self, string_ascii):
@@ -36,6 +37,7 @@
 
 
 class PartNumberCodec(DidCodec):
+
     def __init__(self, byte_len=None):
         if byte_len is None:
             raise ValueError(
@@ -68,6 +70,7 @@
 
 
 class PartNumberVersionCodec(DidCodec):
+
     def __init__(self, byte_len=None):
         if byte_len is None:
             raise ValueError(
@@ -115,7 +118,7 @@
 
         data = bytearray()
         for i in range(self.byte_len):
-            part = string_ascii[2 * i: 2 * i + 2]
+            part = string_ascii[2 * i:2 * i + 2]
             data.append(int(part, 16))
 
         return data
@@ -131,28 +134,52 @@
         return self.byte_len
 
 
+UnlockButton_dic = {"Unlock Button No Request": 0, "Unlock Button Request": 1}
+
+
 class ShifterClass():
+
     def __init__(self):
-        self.position = ShifterPosition(0)
-        self.Pbutton = 0
-        self.UnlockButton = 0
+        self.position = None
+        self.Pbutton = None
+        self.UnlockButton = None
         self.Voltage = 0
         self.canid = ShifterCANID()
+
         self.did_config = {
+            0x2100: PartNumberCodec(1),
+            0x2101: PartNumberCodec(1),
+            0x2103: AsciiCodec(8),
+            0x2104: AsciiCodec(4),
+            0x2105: AsciiCodec(16),
+            0x2106: PartNumberCodec(1),
+            0xF187: AsciiCodec(16),
+            0x2108: AsciiCodec(18),
+            0xF18A: AsciiCodec(10),
+            0x210B: BCDCodec(4),
+            0xF18C: AsciiCodec(14),
             0xF190: AsciiCodec(17),
-            0xF1B1: AsciiCodec(9),
-            0xF1B2: AsciiCodec(16),
-
-            0xF1D0: PartNumberCodec(4),
-            0xF1D1: PartNumberVersionCodec(2),
-            0xF1D2: PartNumberCodec(4),
-            0xF1D3: PartNumberVersionCodec(2),
-            0xF0DF: PartNumberVersionCodec(1),
-
-            0xF187: AsciiCodec(21),
-            0xF195: AsciiCodec(16),
-            0xF198: BCDCodec(8),
-            0xF199: BCDCodec(4),
+            0xF193: AsciiCodec(26),
+            0xF195: AsciiCodec(28),
+            0x2110: AsciiCodec(8),
+            0x2111: AsciiCodec(16),
+            0x2112: BCDCodec(4),
+            0x2113: BCDCodec(4),
+            0x2116: PartNumberCodec(2),
+            0x2118: PartNumberCodec(1),
+            0x2119: PartNumberCodec(1),
+            0x211A: PartNumberCodec(1),
+            0x211B: PartNumberCodec(1),
+            0x211c: PartNumberCodec(2),
+            0xF197: AsciiCodec(8),
+            0xF15a: AsciiCodec(10),
+            0xF15B: AsciiCodec(10),
+            0xDF00: PartNumberCodec(1),
+            0xDF01: PartNumberCodec(2),
+            0xDF02: PartNumberCodec(1),
+            0xDF03: PartNumberCodec(3),
+            0xDF04: PartNumberCodec(3),
+            0x1000: PartNumberCodec(2),
         }
         try:
             config = configparser.ConfigParser()
@@ -166,3 +193,119 @@
             self.canid.phy_rxId = 0x742
             self.canid.fun_rxId = 0x7df
             self.canid.normalid = 0x420
+        self.SA1_message = ProjectDBC.get_message_by_name('SA1')
+
+    def FramUnpack(self, id=0x420, frame=[]):
+        input_signal = ProjectDBC.decode_message(id, frame)
+        # part_str = str(input_signal['SA1_Status_ParkButtonReq'])
+        # print(type(part_str))
+        # if input_signal['SA1_Status_ParkButtonReq'] == 'No request':
+        #     print('yes')
+        # print(SA1_Status_ParkButtonReq_dic[part_str])
+        self.Pbutton = SA1_Status_ParkButtonReq_dic[str(
+            input_signal['SA1_Status_ParkButtonReq'])]
+        self.UnlockButton = SA1_Status_UnlockButtonReq_dic[str(
+            input_signal['SA1_Status_UnlockButtonReq'])]
+        self.position = SA1_Status_GearShftPosReq_dic[str(
+            input_signal['SA1_Status_GearShftPosReq'])]
+
+    def PackFrame(self, dic):
+        data = self.SA1_message.encode({
+            'SA1_Status_PRNDL':
+            0,
+            'SA1_Status_GearShftPosReq':
+            SA1_Status_GearShftPosReq_dic[self.position],
+            'SA1_Status_ParkButtonReq':
+            SA1_Status_ParkButtonReq_dic[self.Pbutton],
+            "SA1_ShifterManualSignal":
+            0,
+            "SA1_ShifterModeSignal":
+            0,
+            "SA1_Status_ShftSensSng_Fault":
+            0,
+            "SA1_IND_ShifterMisUsd":
+            0,
+            "SA1_Live_counter":
+            1,
+            "SA1_Status_UnlockButtonReq":
+            SA1_Status_UnlockButtonReq_dic[self.UnlockButton],
+            "SA1_Status_EcoShifterModeReq":
+            0,
+            "SA1_Status_RqGearPosInV":
+            0xf,
+            "SA1_Status_ShiftPosValidFlag":
+            0,
+        })
+        return data
+
+
+class VehicleClass():
+
+    def __init__(self):
+        self.Odm = 0
+        self.speed = 0
+        self.brake = 0
+        self.ShiftLeverPos = 'P'
+        self.pre_ShiftLeverPos = 'P'
+        self.max_pos = 'Shifter position Zero'
+        self.IC1_message = ProjectDBC.get_message_by_name('IC1')
+        self.TCU2_message = ProjectDBC.get_message_by_name('TCU2')
+        self.ABS1_message = ProjectDBC.get_message_by_name('ABS1')
+        self.Engine2_message = ProjectDBC.get_message_by_name('Engine2')
+
+    def pack_IC1(self, odm):
+        self.Odm = odm
+        data = self.IC1_message.encode({"odometer_value": odm})
+        return data
+
+    def pack_TCU2(self, shiftpos):
+        #from value get key
+        self.ShiftLeverPos = [
+            k for k, v in TCU2_ShiterLevel_dic.items() if v == shiftpos
+        ][0]
+        data = self.TCU2_message.encode({
+            "ShiftLeverPos": shiftpos,
+            "TCUDrivingMode": 0,
+            "ActualGear": 0
+        })
+        return data
+
+    def pack_ABS1(self, speed):
+        self.speed = speed
+        data = self.ABS1_message.encode({"vehicle_speed": speed})
+        return data
+
+    def pack_Engine2(self, brake):
+        self.brake = brake
+        data = self.Engine2_message.encode({"brake_pedal_status ": brake})
+        return data
+
+    def ShiftLogic(self, shift: ShifterClass):
+        reqpos = 0
+        if shift.Pbutton == SA1_Status_ParkButtonReq_dic[
+                'Driver request park button']:
+            reqpos = TCU2_ShiterLevel_dic['P']
+            self.pre_ShiftLeverPos = "P"
+            self.max_pos = 'Shifter position Zero'
+        elif (shift.position >= SA1_Status_GearShftPosReq_dic['M-']) and (
+                shift.position <= SA1_Status_GearShftPosReq_dic['M']):
+            reqpos = TCU2_ShiterLevel_dic['M']
+            self.pre_ShiftLeverPos = "P"
+            self.max_pos = 'Shifter position Zero'
+        elif shift.position is SA1_Status_GearShftPosReq_dic[
+                'Shifter not initialized']:
+            pass
+        else:
+            if shift.position is not SA1_Status_GearShftPosReq_dic[
+                    'Shifter position Zero']:
+                self.max_pos = ShiftMaxPosMap_dic[self.max_pos][shift.position]
+                reqpos = GearShiftMap_dic[self.pre_ShiftLeverPos][self.max_pos]
+            else:
+                reqpos = GearShiftMap_dic[self.pre_ShiftLeverPos][self.max_pos]
+                self.max_pos = 'Shifter position Zero'
+                self.pre_ShiftLeverPos = [
+                    k for k, v in TCU2_ShiterLevel_dic.items() if v == reqpos
+                ][0]
+
+        data = self.pack_TCU2(reqpos)
+        return data

--
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