Unit tests для микроконтролеров

int64_t v1, v2, v3;
v1 = 0x7FFFFFFFUL;
v2 = v1 + 1;
v3 = abs (v2 - v1);

#include "myput.h"
#include "my_testing_unit.c"

void main(){
  if(!my_testing_unit_func1(...))
    myput("OK");
  else
    myput("Error");
  
  while(1);
}

/************************************************************************************
 * AC ID:0x18EEFEFEx (418316030) DLC:8
 * Address Claimed
Message used to claim an address for a Controller Application.
 * Priority: 6
 * Data page: 0
 * Extended Data page: 0
 * PGN: 60928 (0xEE00)
 * From file: ..\..\dbc_tools\dbc/j1939.dbc
 * Send Type: noMsgSendType
 * VFrameFormat: J1939PG
 ************************************************************************************/

typedef struct {
#ifdef SIMULINK
  bool valid;
#endif /* SIMULINK */
  bool ReservedBit; /* start:48 Reserved for future definition by SAE. The reserved bit shall be set to zero.*/
  bool ArbitraryAddressCapable; /* start:63 */
  /* Multiplexer switch */
  VtSig_IndustryGroup_t IndustryGroup; /* start:60 0 = Global
1  = On-Highway;
2  = Agricultural and Forestry;
3  = Construction;
4  = Marine;
5  = Industrial - Process
Control - Stationary (Gen-Sets)
6  = Reserve for SAE
7  = Reserve for SAE*/
  uint8_t VehicleSystemInstance; /* start:56 */
  vtFunction_t Function; /* start:40 */
  uint8_t FunctionInstance; /* start:35 */
  uint8_t ECUInstance; /* start:32 */
  vtManufacturerCode_t ManufacturerCode; /* start:21 Assigned by NMEA 2000 Committee*/
  uint32_t IdentityNumber; /* start:0 */
  union {
    /* Multiplexer 0 0x00 */
    struct {
      vtVehicleSystem_t VehicleSystem; /* start:49 */
    } m0;
    /* Multiplexer 1 0x01 */
    struct {
      vtVehicleSystem1_t VehicleSystem1; /* start:49 */
    } m1;
    /* Multiplexer 2 0x02 */
    struct {
      vtVehicleSystem2_t VehicleSystem2; /* start:49 */
    } m2;
    /* Multiplexer 3 0x03 */
    struct {
      vtVehicleSystem3_t VehicleSystem3; /* start:49 */
    } m3;
    /* Multiplexer 4 0x04 */
    struct {
      vtVehicleSystem4_t VehicleSystem4; /* start:49 */
    } m4;
    /* Multiplexer 5 0x05 */
    struct {
      vtVehicleSystem5_t VehicleSystem5; /* start:49 */
    } m5;
  } multiplexed;
} CAN_AC_t;

#pragma pack(push,1)
typedef union {
#ifdef INTEL_ORDER
    struct {
        uint32_t IdentityNumber:21;
        uint16_t ManufacturerCode:11;
        uint16_t ECUInstance:3;
        uint16_t FunctionInstance:5;
        uint8_t Function;
        uint16_t ReservedBit:1;
        uint64_t _reserved_49:7;
        uint16_t VehicleSystemInstance:4;
        uint16_t IndustryGroup:3;
        uint16_t ArbitraryAddressCapable:1;
    } m_none;
    /* Multiplexer 0 0x00 */
    struct {
        uint64_t _reserved_0:49;
        uint16_t VehicleSystem:7;
        uint64_t _reserved_56:8;
    } m0;
    /* Multiplexer 1 0x01 */
    struct {
        uint64_t _reserved_0:49;
        uint16_t VehicleSystem1:7;
        uint64_t _reserved_56:8;
    } m1;
    /* Multiplexer 2 0x02 */
    struct {
        uint64_t _reserved_0:49;
        uint16_t VehicleSystem2:7;
        uint64_t _reserved_56:8;
    } m2;
    /* Multiplexer 3 0x03 */
    struct {
        uint64_t _reserved_0:49;
        uint16_t VehicleSystem3:7;
        uint64_t _reserved_56:8;
    } m3;
    /* Multiplexer 4 0x04 */
    struct {
        uint64_t _reserved_0:49;
        uint16_t VehicleSystem4:7;
        uint64_t _reserved_56:8;
    } m4;
    /* Multiplexer 5 0x05 */
    struct {
        uint64_t _reserved_0:49;
        uint16_t VehicleSystem5:7;
        uint64_t _reserved_56:8;
    } m5;
#else
    struct {
        uint8_t IdentityNumber_0;
        uint8_t IdentityNumber_1;
        uint16_t ManufacturerCode_0:3;
        uint16_t IdentityNumber_2:5;
        uint8_t ManufacturerCode_1;
        uint16_t FunctionInstance:5;
        uint16_t ECUInstance:3;
        uint8_t Function;
        uint64_t _reserved_48:7;
        uint16_t ReservedBit:1;
        uint16_t ArbitraryAddressCapable:1;
        uint16_t IndustryGroup:3;
        uint16_t VehicleSystemInstance:4;
    } m_none;
    /* Multiplexer 0 0x00 */
    struct {
        uint64_t _reserved_0:48;
        uint16_t VehicleSystem:7;
        uint64_t _reserved_55:9;
    } m0;
    /* Multiplexer 1 0x01 */
    struct {
        uint64_t _reserved_0:48;
        uint16_t VehicleSystem1:7;
        uint64_t _reserved_55:9;
    } m1;
    /* Multiplexer 2 0x02 */
    struct {
        uint64_t _reserved_0:48;
        uint16_t VehicleSystem2:7;
        uint64_t _reserved_55:9;
    } m2;
    /* Multiplexer 3 0x03 */
    struct {
        uint64_t _reserved_0:48;
        uint16_t VehicleSystem3:7;
        uint64_t _reserved_55:9;
    } m3;
    /* Multiplexer 4 0x04 */
    struct {
        uint64_t _reserved_0:48;
        uint16_t VehicleSystem4:7;
        uint64_t _reserved_55:9;
    } m4;
    /* Multiplexer 5 0x05 */
    struct {
        uint64_t _reserved_0:48;
        uint16_t VehicleSystem5:7;
        uint64_t _reserved_55:9;
    } m5;
#endif
} wire_AC_t;
#pragma pack(pop)

bool CAN_AC_parse(uint16_t dlc, const uint8_t* data, CAN_AC_t* msg) {
    const wire_AC_t* wire_data = (const wire_AC_t*)data;
    CAN_AC_init(msg);
#ifdef INTEL_ORDER
    /* startbit:48 length:1 factor:1 offset:0 min:0 max:1  */
    msg->ReservedBit = TO_BOOL(wire_data->m_none.ReservedBit == 1);
    /* startbit:63 length:1 factor:1 offset:0 min:0 max:1  */
    msg->ArbitraryAddressCapable = TO_BOOL(wire_data->m_none.ArbitraryAddressCapable == 1);
    /* startbit:60 length:3 factor:1 offset:0 min:0 max:7 VtSig_IndustryGroup */
    msg->IndustryGroup = (VtSig_IndustryGroup_t)wire_data->m_none.IndustryGroup;
    /* startbit:56 length:4 factor:1 offset:0 min:0 max:15  */
    msg->VehicleSystemInstance = (uint8_t)wire_data->m_none.VehicleSystemInstance;
    /* startbit:40 length:8 factor:1 offset:0 min:0 max:255 vtFunction */
    msg->Function = (vtFunction_t)wire_data->m_none.Function;
    /* startbit:35 length:5 factor:1 offset:0 min:0 max:31  */
    msg->FunctionInstance = (uint8_t)wire_data->m_none.FunctionInstance;
    /* startbit:32 length:3 factor:1 offset:0 min:0 max:7  */
    msg->ECUInstance = (uint8_t)wire_data->m_none.ECUInstance;
    /* startbit:21 length:11 factor:1 offset:0 min:0 max:2047 vtManufacturerCode */
    msg->ManufacturerCode = (vtManufacturerCode_t)wire_data->m_none.ManufacturerCode;
    /* startbit:0 length:21 factor:1 offset:0 min:0 max:2.09715e+06  */
    msg->IdentityNumber = (uint32_t)wire_data->m_none.IdentityNumber;
#if defined(__TI_COMPILER_VERSION__)
/* (MISRA-C:2004 15.2/R) An unconditional break statement shall terminate every non-empty switch clause*/
/* Disable misreporting. This is bug in TI compiler! */
/* TODO: Delete when compiler fixed */
#pragma diag_push
#pragma CHECK_MISRA ("-15.2")
#endif
    switch (msg->IndustryGroup) {
        case IndustryGroup_Global:
            /* startbit:49 length:7 factor:1 offset:0 min:0 max:127 vtVehicleSystem */
            msg->multiplexed.m0.VehicleSystem = (vtVehicleSystem_t)wire_data->m0.VehicleSystem;
            break;
        case IndustryGroup_On_Highway:
            /* startbit:49 length:7 factor:1 offset:0 min:0 max:127 vtVehicleSystem1 */
            msg->multiplexed.m1.VehicleSystem1 = (vtVehicleSystem1_t)wire_data->m1.VehicleSystem1;
            break;
        case IndustryGroup_Agricultural_and_Forestry:
            /* startbit:49 length:7 factor:1 offset:0 min:0 max:127 vtVehicleSystem2 */
            msg->multiplexed.m2.VehicleSystem2 = (vtVehicleSystem2_t)wire_data->m2.VehicleSystem2;
            break;
        case IndustryGroup_Construction:
            /* startbit:49 length:7 factor:1 offset:0 min:0 max:127 vtVehicleSystem3 */
            msg->multiplexed.m3.VehicleSystem3 = (vtVehicleSystem3_t)wire_data->m3.VehicleSystem3;
            break;
        case IndustryGroup_Marine:
            /* startbit:49 length:7 factor:1 offset:0 min:0 max:127 vtVehicleSystem4 */
            msg->multiplexed.m4.VehicleSystem4 = (vtVehicleSystem4_t)wire_data->m4.VehicleSystem4;
            break;
        case IndustryGroup_IndustrialProcessCtrlStationary:
            /* startbit:49 length:7 factor:1 offset:0 min:0 max:127 vtVehicleSystem5 */
            msg->multiplexed.m5.VehicleSystem5 = (vtVehicleSystem5_t)wire_data->m5.VehicleSystem5;
            break;
        default:
            break;
    }
#if defined(__TI_COMPILER_VERSION__)
#pragma diag_pop
#endif
#else
    /* startbit:48 length:1 factor:1 offset:0 min:0 max:1  */
    msg->ReservedBit = TO_BOOL(wire_data->m_none.ReservedBit == 1);
    /* startbit:63 length:1 factor:1 offset:0 min:0 max:1  */
    msg->ArbitraryAddressCapable = TO_BOOL(wire_data->m_none.ArbitraryAddressCapable == 1);
    /* startbit:60 length:3 factor:1 offset:0 min:0 max:7 VtSig_IndustryGroup */
    msg->IndustryGroup = (VtSig_IndustryGroup_t)wire_data->m_none.IndustryGroup;
    /* startbit:56 length:4 factor:1 offset:0 min:0 max:15  */
    msg->VehicleSystemInstance = (uint8_t)wire_data->m_none.VehicleSystemInstance;
    /* startbit:40 length:8 factor:1 offset:0 min:0 max:255 vtFunction */
    msg->Function = (vtFunction_t)wire_data->m_none.Function;
    /* startbit:35 length:5 factor:1 offset:0 min:0 max:31  */
    msg->FunctionInstance = (uint8_t)wire_data->m_none.FunctionInstance;
    /* startbit:32 length:3 factor:1 offset:0 min:0 max:7  */
    msg->ECUInstance = (uint8_t)wire_data->m_none.ECUInstance;
    /* startbit:21 length:11 factor:1 offset:0 min:0 max:2047 vtManufacturerCode */
    msg->ManufacturerCode = (vtManufacturerCode_t)_CAN_GET_3_u11(wire_data->m_none.ManufacturerCode);
    /* startbit:0 length:21 factor:1 offset:0 min:0 max:2.09715e+06  */
    msg->IdentityNumber = (uint32_t)_CAN_GET_8_u21(wire_data->m_none.IdentityNumber);
#if defined(__TI_COMPILER_VERSION__)
/* (MISRA-C:2004 15.2/R) An unconditional break statement shall terminate every non-empty switch clause*/
/* Disable misreporting. This is bug in TI compiler! */
/* TODO: Delete when compiler fixed */
#pragma diag_push
#pragma CHECK_MISRA ("-15.2")
#endif
    switch (msg->IndustryGroup) {
        case IndustryGroup_Global:
            /* startbit:49 length:7 factor:1 offset:0 min:0 max:127 vtVehicleSystem */
            msg->multiplexed.m0.VehicleSystem = (vtVehicleSystem_t)wire_data->m0.VehicleSystem;
            break;
        case IndustryGroup_On_Highway:
            /* startbit:49 length:7 factor:1 offset:0 min:0 max:127 vtVehicleSystem1 */
            msg->multiplexed.m1.VehicleSystem1 = (vtVehicleSystem1_t)wire_data->m1.VehicleSystem1;
            break;
        case IndustryGroup_Agricultural_and_Forestry:
            /* startbit:49 length:7 factor:1 offset:0 min:0 max:127 vtVehicleSystem2 */
            msg->multiplexed.m2.VehicleSystem2 = (vtVehicleSystem2_t)wire_data->m2.VehicleSystem2;
            break;
        case IndustryGroup_Construction:
            /* startbit:49 length:7 factor:1 offset:0 min:0 max:127 vtVehicleSystem3 */
            msg->multiplexed.m3.VehicleSystem3 = (vtVehicleSystem3_t)wire_data->m3.VehicleSystem3;
            break;
        case IndustryGroup_Marine:
            /* startbit:49 length:7 factor:1 offset:0 min:0 max:127 vtVehicleSystem4 */
            msg->multiplexed.m4.VehicleSystem4 = (vtVehicleSystem4_t)wire_data->m4.VehicleSystem4;
            break;
        case IndustryGroup_IndustrialProcessCtrlStationary:
            /* startbit:49 length:7 factor:1 offset:0 min:0 max:127 vtVehicleSystem5 */
            msg->multiplexed.m5.VehicleSystem5 = (vtVehicleSystem5_t)wire_data->m5.VehicleSystem5;
            break;
        default:
            break;
    }
#if defined(__TI_COMPILER_VERSION__)
#pragma diag_pop
#endif
#endif
    return true;
}