MMDVM/MMDVMHost
1
0
Fork 0
mirror of https://github.com/g4klx/MMDVMHost synced 2025-12-23 08:45:48 +08:00
Code Issues Packages Projects Releases Wiki Activity

Allow the modem to host a serial display.

Browse Source
This commit is contained in:
Jonathan Naylor
2016-10-06 18:38:16 +01:00
parent 7503d314e0
commit 178e104d44
21 changed files with 342 additions and 106 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
Modem.cpp
View File

@@ -69,6 +69,8 @@ const unsigned char MMDVM_P25_LOST = 0x32U;
const unsigned char MMDVM_ACK = 0x70U;
const unsigned char MMDVM_NAK = 0x7FU;
const unsigned char MMDVM_SERIAL = 0x80U;
const unsigned char MMDVM_DEBUG1 = 0xF1U;
const unsigned char MMDVM_DEBUG2 = 0xF2U;
const unsigned char MMDVM_DEBUG3 = 0xF3U;
@@ -655,6 +657,15 @@ unsigned int CModem::readP25Data(unsigned char* data)
return len;
}
// To be implemented later if needed
unsigned int CModem::readSerial(unsigned char* data, unsigned int length)
{
assert(data != NULL);
assert(length > 0U);
return 0U;
}
bool CModem::hasDStarSpace() const
{
unsigned int space = m_txDStarData.freeSpace() / (DSTAR_FRAME_LENGTH_BYTES + 4U);
@@ -816,6 +827,24 @@ bool CModem::writeP25Data(const unsigned char* data, unsigned int length)
return true;
}
bool CModem::writeSerial(const unsigned char* data, unsigned int length)
{
assert(data != NULL);
assert(length > 0U);
unsigned char buffer[250U];
buffer[0U] = MMDVM_FRAME_START;
buffer[1U] = length + 3U;
buffer[2U] = MMDVM_SERIAL;
::memcpy(buffer + 3U, data, length);
int ret = m_serial.write(buffer, length + 3U);
return ret != int(length + 3U);
}
bool CModem::hasTX() const
{
return m_tx;
@@ -1088,6 +1117,7 @@ RESP_TYPE_MMDVM CModem::getResponse()
case MMDVM_GET_VERSION:
case MMDVM_ACK:
case MMDVM_NAK:
case MMDVM_SERIAL:
case MMDVM_DEBUG1:
case MMDVM_DEBUG2:
case MMDVM_DEBUG3: