HVAC_M7
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HVAC_M7_CAN_UDS
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Обновление

This commit is contained in:
cfif 2026-03-16 13:38:26 +03:00
parent 7aa6118a8b
commit 8b9d584815
2 changed files with 17 additions and 10 deletions
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21
CanUds.c
View File

@ -15,9 +15,6 @@
#define LOG_SIGN "CAN_UDS"
#define LOGGER env->logger
uint32_t randomSecuritySeed = 0x853A08FB;
extern uint32_t generate_key(uint32_t seed);
@ -975,14 +972,16 @@ static uint16_t SecurityAccess_27(tCanUds *env) {
env->dataResponse[5] = 0;
} else {
if (randomSecuritySeed == 0) {
randomSecuritySeed = 0x11223344;
env->randomSecuritySeed = getRandom32(env->adcTask0);
if (env->randomSecuritySeed == 0) {
env->randomSecuritySeed = 0x11223344;
}
env->dataResponse[2] = randomSecuritySeed >> 24;
env->dataResponse[3] = randomSecuritySeed >> 16;
env->dataResponse[4] = randomSecuritySeed >> 8;
env->dataResponse[5] = randomSecuritySeed;
env->dataResponse[2] = env->randomSecuritySeed >> 24;
env->dataResponse[3] = env->randomSecuritySeed >> 16;
env->dataResponse[4] = env->randomSecuritySeed >> 8;
env->dataResponse[5] = env->randomSecuritySeed;
}
return 6;
}
@ -1013,7 +1012,7 @@ static uint16_t SecurityAccess_27(tCanUds *env) {
uint32_t securitySeedFromServer =
(env->data.data[2] << 24) | (env->data.data[3] << 16) | (env->data.data[4] << 8) | env->data.data[5];
uint32_t securitySeedMy = generate_key(randomSecuritySeed);
uint32_t securitySeedMy = generate_key(env->randomSecuritySeed);
if (securitySeedMy != securitySeedFromServer) {
++env->SA.counter_max_attempts_default;
@ -1360,12 +1359,14 @@ void CanUds_Init(
tSerialPortFrameIO *CanIO,
tDeviceStorage *deviceStorage,
tCanSpamTransmitter *canSpamTransmitter,
tAdcTask *adcTask0,
tLoggerInterface *logger) {
env->logger = logger;
env->CanIO = CanIO;
env->deviceStorage = deviceStorage;
env->Diagnostic = Diagnostic;
env->adcTask0 = adcTask0;
env->filterIdCount = 2;
env->canSpamTransmitter = canSpamTransmitter;
env->queue = osMessageQueueNew(CAN_US_QUEUE_SIZE, sizeof(tCanTP_data), NULL);

6
CanUds.h
View File

@ -9,6 +9,7 @@
#include "DeviceStorage.h"
#include "DiagnosticTask.h"
#include "CanSpamTransmitter.h"
#include "AdcTasks.h"
#define LOG_UDS 1
@ -143,6 +144,8 @@ typedef struct {
osMessageQueueId_t queue;
tAdcTask *adcTask0;
tCanTP_data data;
uint8_t dataResponse[1024];
@ -158,6 +161,8 @@ typedef struct {
tCanSpamTransmitter *canSpamTransmitter;
uint32_t randomSecuritySeed;
struct {
bool requestSequenceRequestSeed;
bool stateSecurityAccess;
@ -181,6 +186,7 @@ void CanUds_Init(
tSerialPortFrameIO *CanIO,
tDeviceStorage *deviceStorage,
tCanSpamTransmitter *canSpamTransmitter,
tAdcTask *adcTask0,
tLoggerInterface *logger);
void CanSerialPortCanUds_Start(tCanUds *env);