GCC Code Coverage Report

Directory: ./
File: firmware/controllers/can/wideband_firmware/for_rusefi/wideband_can.h
Date: 2025-10-24 14:26:41
Coverage Exec Excl Total
Lines: 23.5% 4 0 17
Functions: 100.0% 1 0 1
Branches: 12.5% 1 0 8
Decisions: 14.3% 1 - 7
Line Branch Decision Exec Source
1 #pragma once
2
3 #define RUSEFI_WIDEBAND_VERSION (0xA0)
4
5 // ascii "rus"
6 #define WB_ACK 0x727573
7
8 #define WB_BL_HEADER 0x0EF
9 #define WB_OPCODE_START 0
10 #define WB_OPCODE_ERASE 1
11 #define WB_ERASE_TAG 0x5A5A
12 #define WB_OPCODE_DATA 2
13 #define WB_OPCODE_REBOOT 3
14 #define WB_OPCODE_SET_INDEX 4
15 #define WB_OPCODE_ECU_STATUS 5
16 #define WB_OPCODE_PING 6
17 #define WB_OPCODE_SET_SENS_TYPE 7
18
19 #define WB_BL_BASE (WB_BL_HEADER << 4)
20 #define WB_BL_CMD(opcode, extra) (((WB_BL_BASE | (opcode)) << 16) | (extra))
21
22 #define WB_BL_CMD_MASK 0X0FFF0000
23
24 #define WB_MSG_GET_HEADER(id) (((id) >> 20) & 0XFFF)
25 #define WB_MSG_GET_OPCODE(id) (((id) >> 16) & 0XF)
26 #define WB_MSG_GET_EXTRA(id) ((id) & 0XFFFF)
27
28 // 0xEF0'0000
29 #define WB_BL_ENTER WB_BL_CMD(WB_OPCODE_START, 0)
30 // 0xEF1'5A5A
31 #define WB_BL_ERASE WB_BL_CMD(WB_OPCODE_ERASE, WB_ERASE_TAG)
32 // 0xEF2'0000
33 #define WB_BL_DATA_BASE WB_BL_CMD(WB_OPCODE_DATA, 0)
34 // 0xEF3'0000
35 #define WB_BL_REBOOT WB_BL_CMD(WB_OPCODE_REBOOT, 0)
36 // 0xEF4'0000
37 #define WB_MSG_SET_INDEX WB_BL_CMD(WB_OPCODE_SET_INDEX, 0)
38 // 0xEF5'0000
39 #define WB_MGS_ECU_STATUS WB_BL_CMD(WB_OPCODE_ECU_STATUS, 0)
40 // 0xEF6'0000
41 #define WB_MSG_PING WB_BL_CMD(WB_OPCODE_PING, 0)
42 // 0xEF7'0000
43 #define WB_MSG_SET_SENS_TYPE WB_BL_CMD(WB_OPCODE_SET_SENS_TYPE, 0)
44
45 #define WB_DATA_BASE_ADDR 0x190
46
47 // we transmit every 10ms
48 #define WBO_TX_PERIOD_MS 10
49
50 namespace wbo
51 {
52 enum class Fault : uint8_t
53 {
54 None = 0,
55
56 // No CAN communication
57 CanSilent = 1,
58 // Heating is not allowed
59 NotAllowed = 2,
60 // First fault code at 3 so it's easier to see blink code
61 SensorDidntHeat = 3,
62 SensorOverheat = 4,
63 SensorUnderheat = 5,
64 SensorNoHeatSupply = 6,
65 };
66
67 enum class SensorType : uint8_t {
68 LSU49 = 0,
69 LSU42 = 1,
70 LSUADV = 2,
71 LSU49_FAE = 3,
72 };
73
74 struct StandardData
75 {
76 // DO NOT move the version field - its position and format must be
77 // fixed so that incompatible versions can be identified.
78 uint8_t Version;
79 uint8_t Valid;
80
81 uint16_t Lambda;
82 uint16_t TemperatureC;
83
84 uint16_t pad;
85 };
86
87 struct DiagData
88 {
89 uint16_t Esr;
90 uint16_t NernstDc;
91 uint8_t PumpDuty;
92 Fault Status;
93
94 uint8_t HeaterDuty;
95 uint8_t pad;
96 };
97
98 struct PongData
99 {
100 uint8_t hwId;
101 uint8_t Version;
102
103 // FW build date
104 uint8_t year; // starting from 2000
105 uint8_t month;
106 uint8_t day;
107
108 uint8_t reserved[3];
109 };
110
111 1 static inline const char* describeFault(Fault fault) {
112
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 1 switch (fault) {
113 ✗ case Fault::None:
114 ✗ return "OK";
115 ✗ case Fault::CanSilent:
116 ✗ return "CAN silent";
117 ✗ case Fault::NotAllowed:
118 ✗ return "Heating not allowed";
119 ✗ case Fault::SensorDidntHeat:
120 ✗ return "Sensor failed to heat";
121 ✗ case Fault::SensorOverheat:
122 ✗ return "Sensor overheat";
123 ✗ case Fault::SensorUnderheat:
124 ✗ return "Sensor underheat";
125
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 1 case Fault::SensorNoHeatSupply:
126 1 return "Sensor no heat supply";
127 }
128
129 ✗ return "Unknown";
130 }
131
132 } // namespace wbo
133