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Support for Android Auto

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This commit is contained in:
Niellun
2025-06-01 06:19:22 +03:00
parent a96187eb31
commit 907247467d
9 changed files with 319 additions and 134 deletions
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src/protocol.cpp
+112 -26
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@@ -12,9 +12,11 @@ Protocol::Protocol(uint16_t width, uint16_t height, uint16_t fps, uint16_t paddi
audioStreamMain(Settings::audioQueue),
audioStreamAux(Settings::audioQueue),
phoneConnected(false),
phoneAndroid(false),
_width(width),
_height(height),
_fps(fps)
_fps(fps),
_phoneInfo(false)
{
}
@@ -49,6 +51,57 @@ void Protocol::sendInit(int width, int height, int fps)
connector.send(1, true, buf, 28);
}
void Protocol::sendConfig()
{
int syncTime = std::time(nullptr);
int mediaDelay = 300;
int drivePosition = Settings::leftDrive ? 0 : 1; // 0==left, 1==right
int nightMode = Settings::nightMode; // 0==day, 1==night, 2==auto
if (nightMode < 0 || nightMode > 2)
nightMode = 2;
int mic = 7;
if (Settings::micType == 2)
mic = 15;
if (Settings::micType == 3)
mic = 21;
float aspect = (float)_width / _height;
int height = 480;
if (Settings::androidMode == 2)
height = 1280;
if (Settings::androidMode == 3)
height = 1920;
int width = aspect*height;
if (aspect < 1)
{
width = height;
height = height/aspect;
}
char buffer[512];
snprintf(buffer, sizeof(buffer),
"{\"syncTime\":%d,\"mediaDelay\":%d,\"drivePosition\":%d,"
"\"androidAutoSizeW\":%d,\"androidAutoSizeH\":%d,\"HiCarConnectMode\":0,"
"\"GNSSCapability\":7,\"DashboardInfo\":1,\"UseBTPhone\":0}",
syncTime, mediaDelay, drivePosition, width, height);
sendString(CMD_JSON_CONTROL, buffer);
snprintf(buffer, sizeof(buffer), "{\"DayNightMode\":%d}", nightMode);
sendString(CMD_DAYNIGHT, buffer);
sendFile("/tmp/night_mode", nightMode);
sendFile("/tmp/charge_mode", Settings::weakCharge ? 0 : 2); // Weak charge 0, other 2
sendFile("/etc/box_name", "CarPlay");
sendFile("/tmp/hand_drive_mode", drivePosition);
sendInt(CMD_CONTROL, mic);
sendInt(CMD_CONTROL, Settings::wifi5 ? 25 : 24);
sendInt(CMD_CONTROL, Settings::bluetoothAudio ? 22 : 23);
if (Settings::autoconnect)
sendInt(CMD_CONTROL, 1002);
}
void Protocol::sendKey(int key)
{
uint8_t buf[4];
@@ -134,6 +187,12 @@ void Protocol::sendInt(uint32_t cmd, uint32_t value, bool encryption)
connector.send(cmd, encryption, buf, 4);
}
void Protocol::sendString(uint32_t cmd, char *str, bool encryption)
{
uint32_t total = strlen(str);
connector.send(cmd, true, (uint8_t *)str, total);
}
void Protocol::sendEncryption()
{
AESCipher *cypher = connector.Cypher();
@@ -147,6 +206,42 @@ void Protocol::sendEncryption()
connector.send(CMD_ENCRYPTION, false, buf, 4);
}
bool Protocol::jsonFind(const char *json, uint16_t length, const char *key, char *value, uint16_t size) const
{
size_t key_len = std::strlen(key);
const char *end = json + length;
const char *p = json;
while (p < end - key_len - 3)
{
if (*p == '"' && *(p + 1 + key_len) == '"' && std::memcmp(p + 1, key, key_len) == 0)
{
const char *colon = p + 1 + key_len + 1;
while (colon < end && *colon == ' ')
++colon;
if (colon >= end || *colon != ':')
return false;
const char *val_start = colon + 1;
while (val_start < end && (*val_start == ' ' || *val_start == '"'))
++val_start;
const char *val_end = val_start;
while (val_end < end && *val_end != ',' && *val_end != '}' && *val_end != '"')
++val_end;
uint16_t val_len = val_end - val_start;
if (val_len + 1 > size)
return false;
std::memcpy(value, val_start, val_len);
value[val_len] = '\0';
return true;
}
++p;
}
return false;
}
void Protocol::onStatus(uint8_t status)
{
pushEvent(_evtStatusId, status);
@@ -158,30 +253,11 @@ void Protocol::onDevice(bool connected)
{
if (Settings::encryption)
sendEncryption();
sendInit(_width, _height, _fps);
if (Settings::dpi > 0)
sendFile("/tmp/screen_dpi", Settings::dpi);
sendFile("/etc/android_work_mode", 1);
if (Settings::nightMode < 0 || Settings::nightMode > 2) // 0==day, 1==night, 2==auto
sendFile("/tmp/night_mode", 2);
else
sendFile("/tmp/night_mode", Settings::nightMode);
sendFile("/tmp/hand_drive_mode", Settings::leftDrive ? 0 : 1); // 0==left, 1==right
sendFile("/tmp/charge_mode", Settings::weakCharge ? 0 : 2); // Weak charge 0, other 2
sendFile("/etc/box_name", "CarPlay");
if (Settings::autoconnect)
sendInt(CMD_CONTROL, 1002);
sendInt(CMD_CONTROL, Settings::bluetoothAudio ? 22 : 23);
sendInt(CMD_CONTROL, Settings::wifi5 ? 25 : 24);
int mic = 7;
if (Settings::micType == 2)
mic = 15;
if (Settings::micType == 3)
mic = 21;
sendInt(CMD_CONTROL, mic);
if (Settings::encryption)
sendEncryption();
sendInit(_width, _height, _fps);
sendConfig();
}
else
{
@@ -212,12 +288,26 @@ void Protocol::onData(uint32_t cmd, uint32_t length, uint8_t *data)
bool dispose = true;
switch (cmd)
{
case CMD_JSON_CONTROL:
if (!_phoneInfo)
{
char res[32];
if (jsonFind((char *)data, length, "MDLinkType", res, 32))
{
_phoneInfo = true;
phoneAndroid = strncmp(res, "AndroidAuto", 11) == 0;
}
}
break;
case CMD_PLUGGED:
onPhone(true);
break;
case CMD_UNPLUGGED:
onPhone(false);
_phoneInfo = false;
phoneAndroid = false;
break;
case CMD_VIDEO_DATA:
@@ -250,10 +340,6 @@ void Protocol::onData(uint32_t cmd, uint32_t length, uint8_t *data)
}
break;
}
case CMD_CONTROL:
Connector::printBytes(data, length, 20);
break;
case CMD_ENCRYPTION:
if (length == 0)
connector.setEncryption(true);