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a867_cmd.c
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a867_cmd.c
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#include "a867_cmd.h"
Byte Cmd_sequence = 0;
Dword Bus_addChecksum (
IN Demodulator* demodulator,
OUT Dword* bufferLength,
OUT Byte* buffer
) {
Dword error = Error_NO_ERROR;
Dword loop = (*bufferLength - 1) / 2;
Dword remain = (*bufferLength - 1) % 2;
Dword i;
Word checksum = 0;
for (i = 0; i < loop; i++)
checksum += (Word) (buffer[2 * i + 1] << 8) + (Word) (buffer[2 * i + 2]);
if (remain)
checksum += (Word) (buffer[*bufferLength - 1] << 8);
checksum = ~checksum;
buffer[*bufferLength] = (Byte) ((checksum & 0xFF00) >> 8);
buffer[*bufferLength + 1] = (Byte) (checksum & 0x00FF);
buffer[0] = (Byte) (*bufferLength + 1);
*bufferLength += 2;
return (error);
}
Dword Bus_removeChecksum (
IN Demodulator* demodulator,
OUT Dword* bufferLength,
OUT Byte* buffer
) {
Dword error = Error_NO_ERROR;
Dword loop = (*bufferLength - 3) / 2;
Dword remain = (*bufferLength - 3) % 2;
Dword i;
Word checksum = 0;
for (i = 0; i < loop; i++)
checksum += (Word) (buffer[2 * i + 1] << 8) + (Word) (buffer[2 * i + 2]);
if (remain)
checksum += (Word) (buffer[*bufferLength - 3] << 8);
checksum = ~checksum;
if (((Word) (buffer[*bufferLength - 2] << 8) + (Word) (buffer[*bufferLength - 1])) != checksum) {
error = Error_WRONG_CHECKSUM;
goto exit;
}
if (buffer[2])
error = Error_FIRMWARE_STATUS | buffer[2];
buffer[0] = (Byte) (*bufferLength - 3);
*bufferLength -= 2;
exit :
return (error);
}
Dword Cmd_writeRegisters (
IN Demodulator* demodulator,
IN Byte chip,
IN Processor processor,
IN Dword registerAddress,
IN Byte registerAddressLength,
IN Dword writeBufferLength,
IN Byte* writeBuffer
) {
Dword error = Error_NO_ERROR;
Word command;
Byte buffer[256];
Dword bufferLength;
Dword i, j, k;
Ganymede* ganymede;
CmdDescription* pcmdDesc;
BusDescription* pbusDesc;
Dword maxPktSize;
User_enterCriticalSection (demodulator);
if (writeBufferLength == 0) goto exit;
if (registerAddressLength > 4) {
error = Error_PROTOCOL_FORMAT_INVALID;
goto exit;
}
ganymede = (Ganymede*) demodulator;
pcmdDesc = ganymede->cmdDescription;
pbusDesc = pcmdDesc->busDescription;
maxPktSize = pcmdDesc->mailBoxSize;
i = 0;
while (i < writeBufferLength) {
j = (writeBufferLength - i) > (maxPktSize - 12) ? (maxPktSize - 12) : (writeBufferLength - i);
command = Bus_buildCommand (Command_REG_DEMOD_WRITE, processor, chip);
buffer[1] = (Byte) (command >> 8);
buffer[2] = (Byte) command;
buffer[3] = (Byte) Cmd_sequence++;
buffer[4] = (Byte) j;
buffer[5] = (Byte) registerAddressLength;
buffer[6] = (Byte) ((registerAddress + i) >> 24); /** Get first byte of reg. address */
buffer[7] = (Byte) ((registerAddress + i) >> 16); /** Get second byte of reg. address */
buffer[8] = (Byte) ((registerAddress + i) >> 8); /** Get third byte of reg. address */
buffer[9] = (Byte) (registerAddress + i); /** Get fourth byte of reg. address */
for (k = 0; k < j; k++)
buffer[10 + k] = writeBuffer[i + k];
bufferLength = j + 10;
error = Bus_addChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
error = pbusDesc->busTx (demodulator, bufferLength, buffer);
if (error) goto exit;
bufferLength = 5;
error = pbusDesc->busRx (demodulator, bufferLength, buffer);
if (error) goto exit;
error = Bus_removeChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
i += j;
}
exit :
User_leaveCriticalSection (demodulator);
return (error);
}
Dword Cmd_writeScatterRegisters (
IN Demodulator* demodulator,
IN Byte chip,
IN Processor processor,
IN Byte valueSetsAddressLength,
IN Byte valueSetsLength,
IN ValueSet* valueSets
) {
Dword error = Error_NO_ERROR;
Word command;
Byte buffer[256];
Dword bufferLength;
Dword i, j, k;
Ganymede* ganymede;
CmdDescription* pcmdDesc;
BusDescription* pbusDesc;
Dword maxPktSize;
User_enterCriticalSection (demodulator);
if (valueSetsLength == 0) goto exit;
if (valueSetsAddressLength > 4) {
error = Error_PROTOCOL_FORMAT_INVALID;
goto exit;
}
ganymede = (Ganymede*) demodulator;
pcmdDesc = ganymede->cmdDescription;
pbusDesc = pcmdDesc->busDescription;
maxPktSize = pcmdDesc->mailBoxSize;
i = 0;
while (i < valueSetsLength) {
j = (valueSetsLength - i) > ((maxPktSize - 10) / 3) ? ((maxPktSize - 10) / 3) : (valueSetsLength - i);
command = Bus_buildCommand (Command_SCATTER_WRITE, processor, chip);
buffer[1] = (Byte) (command >> 8);
buffer[2] = (Byte) command;
buffer[3] = (Byte) Cmd_sequence++;
buffer[4] = (Byte) 2; /** Type 2 */
if (processor == Processor_LINK)
buffer[5] = (Byte) 0;
else
buffer[5] = (Byte) 1;
buffer[6] = (Byte) 0;
buffer[7] = (Byte) j;
for (k = 0; k < j; k++) {
buffer[8 + k * 2] = (Byte) (valueSets[k].address >> 8);
buffer[9 + k * 2] = (Byte) valueSets[k].address;
buffer[8 + j * 2 + k] = (Byte) valueSets[k].value;
}
bufferLength = 8 + j * 3;
error = Bus_addChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
error = pbusDesc->busTx (demodulator, bufferLength, buffer);
if (error) goto exit;
bufferLength = 5;
error = pbusDesc->busRx (demodulator, bufferLength, buffer);
if (error) goto exit;
error = Bus_removeChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
i += j;
}
exit :
User_leaveCriticalSection (demodulator);
return (error);
}
Dword Cmd_writeTunerRegisters (
IN Demodulator* demodulator,
IN Byte chip,
IN Byte tunerAddress,
IN Word registerAddress,
IN Byte registerAddressLength,
IN Byte writeBufferLength,
IN Byte* writeBuffer
) {
Dword error = Error_NO_ERROR;
Word command;
Byte buffer[256];
Dword bufferLength;
Dword i, j, k;
Ganymede* ganymede;
CmdDescription* pcmdDesc;
BusDescription* pbusDesc;
Dword maxPktSize;
User_enterCriticalSection (demodulator);
ganymede = (Ganymede*) demodulator;
pcmdDesc = ganymede->cmdDescription;
pbusDesc = pcmdDesc->busDescription;
maxPktSize = pcmdDesc->mailBoxSize;
if (writeBufferLength == 0)
{
command = Bus_buildCommand (Command_REG_TUNER_WRITE, Processor_LINK, chip);
buffer[1] = (Byte) (command >> 8);
buffer[2] = (Byte) command;
buffer[3] = (Byte) Cmd_sequence++;
buffer[4] = (Byte) 0;
buffer[5] = (Byte) tunerAddress;
buffer[6] = (Byte) registerAddressLength;
buffer[7] = (Byte) ((registerAddress) >> 8); /** Get high byte of reg. address */
buffer[8] = (Byte) (registerAddress); /** Get low byte of reg. address */
bufferLength = 9;
error = Bus_addChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
error = pbusDesc->busTx (demodulator, bufferLength, buffer);
if (error) goto exit;
bufferLength = 5;
error = pbusDesc->busRx (demodulator, bufferLength, buffer);
if (error) goto exit;
error = Bus_removeChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
goto exit;
}
i = 0;
while (i < writeBufferLength) {
j = (writeBufferLength - i) > (maxPktSize - 11) ? (maxPktSize - 11) : (writeBufferLength - i);
command = Bus_buildCommand (Command_REG_TUNER_WRITE, Processor_LINK, chip);
buffer[1] = (Byte) (command >> 8);
buffer[2] = (Byte) command;
buffer[3] = (Byte) Cmd_sequence++;
buffer[4] = (Byte) j;
buffer[5] = (Byte) tunerAddress;
buffer[6] = (Byte) registerAddressLength;
buffer[7] = (Byte) ((registerAddress + i) >> 8); /** Get high byte of reg. address */
buffer[8] = (Byte) (registerAddress + i); /** Get low byte of reg. address */
for (k = 0; k < j; k++)
buffer[9 + k] = writeBuffer[ i + k];
bufferLength = j + 9;
error = Bus_addChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
error = pbusDesc->busTx (demodulator, bufferLength, buffer);
if (error) goto exit;
bufferLength = 5;
error = pbusDesc->busRx (demodulator, bufferLength, buffer);
if (error) goto exit;
error = Bus_removeChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
i += j;
}
exit :
User_leaveCriticalSection (demodulator);
return (error);
}
Dword Cmd_writeEepromValues (
IN Demodulator* demodulator,
IN Byte chip,
IN Byte eepromAddress,
IN Word registerAddress,
IN Byte registerAddressLength,
IN Byte writeBufferLength,
IN Byte* writeBuffer
) {
Dword error = Error_NO_ERROR;
Word command;
Byte buffer[256];
Dword bufferLength;
Byte i;
Ganymede* ganymede;
CmdDescription* pcmdDesc;
BusDescription* pbusDesc;
Dword maxPktSize;
User_enterCriticalSection (demodulator);
if (writeBufferLength == 0) goto exit;
ganymede = (Ganymede*) demodulator;
pcmdDesc = ganymede->cmdDescription;
pbusDesc = pcmdDesc->busDescription;
maxPktSize = pcmdDesc->mailBoxSize;
command = Bus_buildCommand (Command_REG_EEPROM_WRITE, Processor_LINK, chip);
buffer[1] = (Byte) (command >> 8);
buffer[2] = (Byte) command;
buffer[3] = (Byte) Cmd_sequence++;
buffer[4] = (Byte) writeBufferLength;
buffer[5] = (Byte) eepromAddress;
buffer[6] = (Byte) registerAddressLength;
buffer[7] = (Byte) (registerAddress >> 8); /** Get high byte of reg. address */
buffer[8] = (Byte) registerAddress; /** Get low byte of reg. address */
for (i = 0; i < writeBufferLength; i++)
buffer[9 + i] = writeBuffer[i];
bufferLength = writeBufferLength + 9;
error = Bus_addChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
error = pbusDesc->busTx (demodulator, bufferLength, buffer);
if (error) goto exit;
bufferLength = 5;
error = pbusDesc->busRx (demodulator, bufferLength, buffer);
if (error) goto exit;
error = Bus_removeChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
exit :
User_leaveCriticalSection (demodulator);
return (error);
}
Dword Cmd_readRegisters (
IN Demodulator* demodulator,
IN Byte chip,
IN Processor processor,
IN Dword registerAddress,
IN Byte registerAddressLength,
IN Dword readBufferLength,
OUT Byte* readBuffer
) {
Dword error = Error_NO_ERROR;
Word command;
Byte buffer[256];
Dword bufferLength;
Dword i, j, k;
Ganymede* ganymede;
CmdDescription* pcmdDesc;
BusDescription* pbusDesc;
Dword maxPktSize;
User_enterCriticalSection (demodulator);
if (readBufferLength == 0) goto exit;
if (registerAddressLength > 4) {
error = Error_PROTOCOL_FORMAT_INVALID;
goto exit;
}
ganymede = (Ganymede*) demodulator;
pcmdDesc = ganymede->cmdDescription;
pbusDesc = pcmdDesc->busDescription;
maxPktSize = pcmdDesc->mailBoxSize;
i = 0;
while (i < readBufferLength) {
j = (readBufferLength - i) > (maxPktSize - 5) ? (maxPktSize - 5) : (readBufferLength - i);
command = Bus_buildCommand (Command_REG_DEMOD_READ, processor, chip);
buffer[1] = (Byte) (command >> 8);
buffer[2] = (Byte) command;
buffer[3] = (Byte) Cmd_sequence++;
buffer[4] = (Byte) j;
buffer[5] = (Byte) registerAddressLength;
buffer[6] = (Byte) ((registerAddress + i) >> 24); /** Get first byte of reg. address */
buffer[7] = (Byte) ((registerAddress + i) >> 16); /** Get second byte of reg. address */
buffer[8] = (Byte) ((registerAddress + i) >> 8); /** Get third byte of reg. address */
buffer[9] = (Byte) (registerAddress + i); /** Get fourth byte of reg. address */
bufferLength = 10;
error = Bus_addChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
error = pbusDesc->busTx (demodulator, bufferLength, buffer);
if (error) goto exit;
bufferLength = j + 5;
error = pbusDesc->busRx (demodulator, bufferLength, buffer);
if (error) goto exit;
error = Bus_removeChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
for (k = 0; k < j; k++) {
readBuffer[i + k] = buffer[k + 3];
}
i += j;
}
exit :
User_leaveCriticalSection (demodulator);
return (error);
}
Dword Cmd_readScatterRegisters (
IN Demodulator* demodulator,
IN Byte chip,
IN Processor processor,
IN Byte valueSetsAddressLength,
IN Byte valueSetsLength,
OUT ValueSet* valueSets
) {
Dword error = Error_NO_ERROR;
Word command;
Byte buffer[256];
Dword bufferLength;
Dword i, j, k;
Ganymede* ganymede;
CmdDescription* pcmdDesc;
BusDescription* pbusDesc;
Dword maxPktSize;
User_enterCriticalSection (demodulator);
if (valueSetsLength == 0) goto exit;
if (valueSetsAddressLength > 4) {
error = Error_PROTOCOL_FORMAT_INVALID;
goto exit;
}
ganymede = (Ganymede*) demodulator;
pcmdDesc = ganymede->cmdDescription;
pbusDesc = pcmdDesc->busDescription;
maxPktSize = pcmdDesc->mailBoxSize;
i = 0;
while (i < valueSetsLength) {
j = (valueSetsLength - i) > ((maxPktSize - 10) / 2) ? ((maxPktSize - 10) / 2) : (valueSetsLength - i);
command = Bus_buildCommand (Command_SCATTER_READ, processor, chip);
buffer[1] = (Byte) (command >> 8);
buffer[2] = (Byte) command;
buffer[3] = (Byte) Cmd_sequence++;
buffer[4] = (Byte) 2; /** Type 2 */
if (processor == Processor_LINK)
buffer[5] = (Byte) 0;
else
buffer[5] = (Byte) 1;
buffer[6] = (Byte) 0;
buffer[7] = (Byte) j;
for (k = 0; k < j; k++) {
buffer[8 + k * 2] = (Byte) (valueSets[k].address >> 8);
buffer[9 + k * 2] = (Byte) valueSets[k].address;
}
bufferLength = 8 + j * 2;
error = Bus_addChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
error = pbusDesc->busTx (demodulator, bufferLength, buffer);
if (error) goto exit;
bufferLength = j + 5;
error = pbusDesc->busRx (demodulator, bufferLength, buffer);
if (error) goto exit;
error = Bus_removeChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
for (k = 0; k < j; k++) {
//(Byte) valueSets[i + k].value = buffer[k + 3];
valueSets[i + k].value = (Byte) buffer[k + 3];
}
i += j;
}
exit :
User_leaveCriticalSection (demodulator);
return (error);
}
Dword Cmd_readTunerRegisters (
IN Demodulator* demodulator,
IN Byte chip,
IN Byte tunerAddress,
IN Word registerAddress,
IN Byte registerAddressLength,
IN Byte readBufferLength,
IN Byte* readBuffer
) {
Dword error = Error_NO_ERROR;
Word command;
Byte buffer[256];
Dword bufferLength;
Dword i, j, k;
Ganymede* ganymede;
CmdDescription* pcmdDesc;
BusDescription* pbusDesc;
Dword maxPktSize;
User_enterCriticalSection (demodulator);
if (readBufferLength == 0) goto exit;
ganymede = (Ganymede*) demodulator;
pcmdDesc = ganymede->cmdDescription;
pbusDesc = pcmdDesc->busDescription;
maxPktSize = pcmdDesc->mailBoxSize;
i = 0;
while (i < readBufferLength) {
j = (readBufferLength - i) > (maxPktSize - 5) ? (maxPktSize - 5) : (readBufferLength - i);
command = Bus_buildCommand (Command_REG_TUNER_READ, Processor_LINK, chip);
buffer[1] = (Byte) (command >> 8);
buffer[2] = (Byte) command;
buffer[3] = (Byte) Cmd_sequence++;
buffer[4] = (Byte) j;
buffer[5] = (Byte) tunerAddress;
buffer[6] = (Byte) registerAddressLength;
buffer[7] = (Byte) ((registerAddress + i) >> 8); /** Get high byte of reg. address */
buffer[8] = (Byte) (registerAddress + i); /** Get low byte of reg. address */
bufferLength = 9;
error = Bus_addChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
error = pbusDesc->busTx (demodulator, bufferLength, buffer);
if (error) goto exit;
bufferLength = j + 5;
error = pbusDesc->busRx (demodulator, bufferLength, buffer);
if (error) goto exit;
error = Bus_removeChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
for (k = 0; k < j; k++) {
readBuffer[i + k] = buffer[k + 3];
}
i += j;
}
exit :
User_leaveCriticalSection (demodulator);
return (error);
}
Dword Cmd_readEepromValues (
IN Demodulator* demodulator,
IN Byte chip,
IN Byte eepromAddress,
IN Word registerAddress,
IN Byte registerAddressLength,
IN Byte readBufferLength,
OUT Byte* readBuffer
) {
Dword error = Error_NO_ERROR;
Word command;
Byte buffer[256];
Dword bufferLength;
Byte i;
Ganymede* ganymede;
CmdDescription* pcmdDesc;
BusDescription* pbusDesc;
Dword maxPktSize;
User_enterCriticalSection (demodulator);
if (readBufferLength == 0) goto exit;
ganymede = (Ganymede*) demodulator;
pcmdDesc = ganymede->cmdDescription;
pbusDesc = pcmdDesc->busDescription;
maxPktSize = pcmdDesc->mailBoxSize;
command = Bus_buildCommand (Command_REG_EEPROM_READ, Processor_LINK, chip);
buffer[1] = (Byte) (command >> 8);
buffer[2] = (Byte) command;
buffer[3] = (Byte) Cmd_sequence++;
buffer[4] = (Byte) readBufferLength;
buffer[5] = (Byte) eepromAddress;
buffer[6] = (Byte) registerAddressLength;
buffer[7] = (Byte) (registerAddress >> 8); /** Get high byte of reg. address */
buffer[8] = (Byte) registerAddress; /** Get low byte of reg. address */
bufferLength = 9;
error = Bus_addChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
error = pbusDesc->busTx (demodulator, bufferLength, buffer);
if (error) goto exit;
bufferLength = readBufferLength + 5;
error = pbusDesc->busRx (demodulator, bufferLength, buffer);
if (error) goto exit;
error = Bus_removeChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
for (i = 0; i < readBufferLength; i++) {
readBuffer[i] = buffer[i + 3];
}
exit :
User_leaveCriticalSection (demodulator);
return (error);
}
Dword Cmd_modifyRegister (
IN Demodulator* demodulator,
IN Byte chip,
IN Processor processor,
IN Dword registerAddress,
IN Byte registerAddressLength,
IN Byte position,
IN Byte length,
IN Byte value
) {
Dword error = Error_NO_ERROR;
Word command;
Byte buffer[256];
Dword bufferLength;
Byte temp;
Ganymede* ganymede;
CmdDescription* pcmdDesc;
BusDescription* pbusDesc;
Dword maxPktSize;
User_enterCriticalSection (demodulator);
if (registerAddressLength > 4) {
error = Error_PROTOCOL_FORMAT_INVALID;
goto exit;
}
ganymede = (Ganymede*) demodulator;
pcmdDesc = ganymede->cmdDescription;
pbusDesc = pcmdDesc->busDescription;
maxPktSize = pcmdDesc->mailBoxSize;
command = Bus_buildCommand (Command_REG_DEMOD_READ, processor, chip);
buffer[1] = (Byte) (command >> 8);
buffer[2] = (Byte) command;
buffer[3] = (Byte) Cmd_sequence++;
buffer[4] = (Byte) 1;
buffer[5] = (Byte) registerAddressLength;
buffer[6] = (Byte) (registerAddress >> 24); /** Get first byte of reg. address */
buffer[7] = (Byte) (registerAddress >> 16); /** Get second byte of reg. address */
buffer[8] = (Byte) (registerAddress >> 8); /** Get third byte of reg. address */
buffer[9] = (Byte) registerAddress; /** Get fourth byte of reg. address */
bufferLength = 10;
error = Bus_addChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
error = pbusDesc->busTx (demodulator, bufferLength, buffer);
if (error) goto exit;
bufferLength = 6;
error = pbusDesc->busRx (demodulator, bufferLength, buffer);
if (error) goto exit;
error = Bus_removeChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
temp = buffer[3];
temp = REG_CREATE (value, temp, position, length);
command = Bus_buildCommand (Command_REG_DEMOD_WRITE, processor, chip);
buffer[1] = (Byte) (command >> 8);
buffer[2] = (Byte) command;
buffer[3] = (Byte) Cmd_sequence++;
buffer[4] = (Byte) 1;
buffer[5] = (Byte) registerAddressLength;
buffer[6] = (Byte) (registerAddress >> 24); /** Get first byte of reg. address */
buffer[7] = (Byte) (registerAddress >> 16); /** Get second byte of reg. address */
buffer[8] = (Byte) (registerAddress >> 8); /** Get third byte of reg. address */
buffer[9] = (Byte) registerAddress; /** Get fourth byte of reg. address */
buffer[10] = temp;
bufferLength = 11;
error = Bus_addChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
error = pbusDesc->busTx (demodulator, bufferLength, buffer);
if (error) goto exit;
bufferLength = 5;
error = pbusDesc->busRx (demodulator, bufferLength, buffer);
if (error) goto exit;
error = Bus_removeChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
exit :
User_leaveCriticalSection (demodulator);
return (error);
}
Dword Cmd_loadFirmware (
IN Demodulator* demodulator,
IN Dword length,
IN Byte* firmware
) {
Dword error = Error_NO_ERROR;
Word command;
Dword loop;
Dword remain;
Dword i, j, k;
Byte buffer[256];
Dword bufferLength;
Ganymede* ganymede;
CmdDescription* pcmdDesc;
BusDescription* pbusDesc;
Dword maxPktSize;
User_enterCriticalSection (demodulator);
ganymede = (Ganymede*) demodulator;
pcmdDesc = ganymede->cmdDescription;
pbusDesc = pcmdDesc->busDescription;
maxPktSize = pcmdDesc->mailBoxSize;
loop = length / (maxPktSize - 6);
remain = length % (maxPktSize - 6);
k = 0;
command = Bus_buildCommand (Command_FW_DOWNLOAD, Processor_LINK, 0);
for (i = 0; i < loop; i++) {
buffer[1] = (Byte) (command >> 8);
buffer[2] = (Byte) command;
buffer[3] = (Byte) Cmd_sequence++;
for (j = 0; j < (maxPktSize - 6); j++)
buffer[4 + j] = firmware[k++];
bufferLength = (maxPktSize - 2);
error = Bus_addChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
error = pbusDesc->busTx (demodulator, bufferLength, buffer);
if (error) goto exit;
}
if (remain) {
buffer[1] = (Byte) (command >> 8);
buffer[2] = (Byte) command;
buffer[3] = (Byte) Cmd_sequence++;
for (j = 0; j < remain; j++)
buffer[4 + j] = firmware[k++];
bufferLength = (Word) (4 + remain);
error = Bus_addChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
error = pbusDesc->busTx (demodulator, bufferLength, buffer);
if (error) goto exit;
}
exit :
User_leaveCriticalSection (demodulator);
return (error);
}
Dword Cmd_reboot (
IN Demodulator* demodulator,
IN Byte chip
) {
Dword error = Error_NO_ERROR;
Word command;
Byte buffer[256];
Dword bufferLength;
Ganymede* ganymede;
CmdDescription* pcmdDesc;
BusDescription* pbusDesc;
Dword maxPktSize;
ganymede = (Ganymede*) demodulator;
pcmdDesc = ganymede->cmdDescription;
pbusDesc = pcmdDesc->busDescription;
maxPktSize = pcmdDesc->mailBoxSize;
User_enterCriticalSection (demodulator);
command = Bus_buildCommand (Command_REBOOT, Processor_LINK, chip);
buffer[1] = (Byte) (command >> 8);
buffer[2] = (Byte) command;
buffer[3] = (Byte) Cmd_sequence++;
bufferLength = 4;
error = Bus_addChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
error = pbusDesc->busTx (demodulator, bufferLength, buffer);
if (error) goto exit;
exit :
User_leaveCriticalSection (demodulator);
return (error);
}
Dword Cmd_sendCommand (
IN Demodulator* demodulator,
IN Word command,
IN Byte chip,
IN Processor processor,
IN Dword writeBufferLength,
IN Byte* writeBuffer,
IN Dword readBufferLength,
OUT Byte* readBuffer
) {
Dword error = Error_NO_ERROR;
Byte buffer[256];
Dword bufferLength;
Dword i, j, k;
Ganymede* ganymede;
CmdDescription* pcmdDesc;
BusDescription* pbusDesc;
Dword maxPktSize;
User_enterCriticalSection (demodulator);
ganymede = (Ganymede*) demodulator;
pcmdDesc = ganymede->cmdDescription;
pbusDesc = pcmdDesc->busDescription;
maxPktSize = pcmdDesc->mailBoxSize;
if (writeBufferLength == 0) {
command = Bus_buildCommand (command, processor, chip);
buffer[1] = (Byte) (command >> 8);
buffer[2] = (Byte) command;
buffer[3] = (Byte) Cmd_sequence++;
bufferLength = 4;
error = Bus_addChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
error = pbusDesc->busTx (demodulator, bufferLength, buffer);
if (error) goto exit;
} else {
i = 0;
while (i < writeBufferLength) {
j = (writeBufferLength - i) > (maxPktSize - 6) ? (maxPktSize - 6) : (writeBufferLength - i);
command = Bus_buildCommand (command, processor, chip);
buffer[1] = (Byte) (command >> 8);
buffer[2] = (Byte) command;
buffer[3] = (Byte) Cmd_sequence++;
for (k = 0; k < j; k++)
buffer[k + 4] = writeBuffer[i + k];
bufferLength = j + 4;
error = Bus_addChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
error = pbusDesc->busTx (demodulator, bufferLength, buffer);
if (error) goto exit;
i += j;
}
}
if (readBufferLength == 0) {
bufferLength = 5;
error = pbusDesc->busRx (demodulator, bufferLength, buffer);
if (error) goto exit;
error = Bus_removeChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
} else {
i = 0;
while (i < readBufferLength) {
j = (readBufferLength - i) > (maxPktSize - 5) ? (maxPktSize - 5) : (readBufferLength - i);
bufferLength = j + 5;
error = pbusDesc->busRx (demodulator, bufferLength, buffer);
if (error) goto exit;
error = Bus_removeChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
for (k = 0; k < j; k++)
readBuffer[i + k] = buffer[k + 3];
i += j;
}
}
exit :
User_leaveCriticalSection (demodulator);
return (error);
}
Dword Cmd_receiveData (
IN Demodulator* demodulator,
IN Dword registerAddress,
IN Dword readBufferLength,
OUT Byte* readBuffer
) {
Dword error = Error_NO_ERROR;
Word command;
Byte buffer[256];
Dword bufferLength;
Ganymede* ganymede;
CmdDescription* pcmdDesc;
BusDescription* pbusDesc;
Dword maxPktSize;
if (readBufferLength == 0) goto exit;
ganymede = (Ganymede*) demodulator;
pcmdDesc = ganymede->cmdDescription;
pbusDesc = pcmdDesc->busDescription;
maxPktSize = pcmdDesc->mailBoxSize;
User_enterCriticalSection (demodulator);
command = Bus_buildCommand (Command_DATA_READ, Processor_LINK, 0);
buffer[1] = (Byte) (command >> 8);
buffer[2] = (Byte) command;
buffer[3] = (Byte) Cmd_sequence++;
buffer[4] = (Byte) ((readBufferLength >> 16) & 0xFF);
buffer[5] = (Byte) ((readBufferLength >> 8) & 0xFF);
buffer[6] = (Byte) (readBufferLength & 0xFF);
buffer[7] = (Byte) ((registerAddress >> 16) & 0xFF);
buffer[8] = (Byte) ((registerAddress >> 8) & 0xFF);
buffer[9] = (Byte) (registerAddress & 0xFF);
bufferLength = 10;
error = Bus_addChecksum (demodulator, &bufferLength, buffer);
if (error) goto exit;
error = pbusDesc->busTx (demodulator, bufferLength, buffer);
if (error) goto exit;
error = pbusDesc->busRxData (demodulator, readBufferLength, readBuffer);
exit :
User_leaveCriticalSection (demodulator);
return (error);
}
Word Cmd_busId = Bus_USB;
CmdDescription Cmd_busDescription = {
0,
NULL,
Cmd_writeRegisters,
Cmd_writeScatterRegisters,
Cmd_writeTunerRegisters,
Cmd_writeEepromValues,
Cmd_readRegisters,
Cmd_readScatterRegisters,
Cmd_readTunerRegisters,
Cmd_readEepromValues,
Cmd_modifyRegister,