Toby Harris / SPK-TVOne

RS232 control for TVOne products

Dependents:   SPK-DVIMXR

spk_tvone_mbed.cpp@20:ebddf3ddb1f6, 2012-12-11 (annotated)

Committer:
tobyspark
Date:
Tue Dec 11 17:54:33 2012 +0000
Revision:
20:ebddf3ddb1f6
Parent:
19:350d1191e466
Child:
21:2260dde18dfa
getCommandTimeoutPeriod

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tobyspark 0:533cfae24a1b 1 // *spark audio-visual
tobyspark 0:533cfae24a1b 2 // RS232 Control for TV-One products
tobyspark 0:533cfae24a1b 3 // Good for 1T-C2-750, others will need some extra work
tobyspark 1:349d6da461df 4
tobyspark 1:349d6da461df 5 /* Copyright (c) 2011 Toby Harris, MIT License
tobyspark 1:349d6da461df 6 *
tobyspark 1:349d6da461df 7 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
tobyspark 1:349d6da461df 8 * and associated documentation files (the "Software"), to deal in the Software without restriction,
tobyspark 1:349d6da461df 9 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
tobyspark 1:349d6da461df 10 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
tobyspark 1:349d6da461df 11 * furnished to do so, subject to the following conditions:
tobyspark 1:349d6da461df 12 *
tobyspark 1:349d6da461df 13 * The above copyright notice and this permission notice shall be included in all copies or
tobyspark 1:349d6da461df 14 * substantial portions of the Software.
tobyspark 1:349d6da461df 15 *
tobyspark 1:349d6da461df 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
tobyspark 1:349d6da461df 17 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
tobyspark 1:349d6da461df 18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
tobyspark 1:349d6da461df 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
tobyspark 1:349d6da461df 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
tobyspark 1:349d6da461df 21 */
tobyspark 0:533cfae24a1b 22
tobyspark 0:533cfae24a1b 23 #include "spk_tvone_mbed.h"
tobyspark 0:533cfae24a1b 24 #include "mbed.h"
tobyspark 0:533cfae24a1b 25
tobyspark 0:533cfae24a1b 26 SPKTVOne::SPKTVOne(PinName txPin, PinName rxPin, PinName signWritePin, PinName signErrorPin, Serial *debugSerial)
tobyspark 0:533cfae24a1b 27 {
tobyspark 0:533cfae24a1b 28 // Create Serial connection for TVOne unit comms
tobyspark 0:533cfae24a1b 29 // Creating our own as this is exclusively for TVOne comms
tobyspark 9:42c83cac2f6d 30 serial = new Serial(txPin, rxPin);
tobyspark 0:533cfae24a1b 31 serial->baud(57600);
tobyspark 0:533cfae24a1b 32
tobyspark 0:533cfae24a1b 33 if (signWritePin != NC) writeDO = new DigitalOut(signWritePin);
tobyspark 0:533cfae24a1b 34 else writeDO = NULL;
tobyspark 0:533cfae24a1b 35
tobyspark 0:533cfae24a1b 36 if (signErrorPin != NC) errorDO = new DigitalOut(signErrorPin);
tobyspark 0:533cfae24a1b 37 else errorDO = NULL;
tobyspark 0:533cfae24a1b 38
tobyspark 18:d765b0d9271c 39 processor.version = -1;
tobyspark 18:d765b0d9271c 40 processor.productType = -1;
tobyspark 18:d765b0d9271c 41 processor.boardType = -1;
tobyspark 18:d765b0d9271c 42
tobyspark 18:d765b0d9271c 43 resetCommandPeriods();
tobyspark 14:da403a01f9ef 44
tobyspark 14:da403a01f9ef 45 timer.start();
tobyspark 17:68b9bb89da2b 46 timerCheckTicker.attach(this, &SPKTVOne::timerCheck, 60);
tobyspark 14:da403a01f9ef 47
tobyspark 0:533cfae24a1b 48 // Link up debug Serial object
tobyspark 0:533cfae24a1b 49 // Passing in shared object as debugging is shared between all DVI mixer functions
tobyspark 0:533cfae24a1b 50 debug = debugSerial;
tobyspark 0:533cfae24a1b 51 }
tobyspark 0:533cfae24a1b 52
tobyspark 10:5f398fc9b5c1 53 bool SPKTVOne::command(uint8_t channel, uint8_t window, int32_t func, int32_t payload)
tobyspark 10:5f398fc9b5c1 54 {
tobyspark 14:da403a01f9ef 55 int ackBuff[standardAckLength] = {0};
tobyspark 10:5f398fc9b5c1 56
tobyspark 11:90e5a72a0034 57 bool success = command(writeCommandType, ackBuff, standardAckLength, channel, window, func, payload);
tobyspark 11:90e5a72a0034 58
tobyspark 11:90e5a72a0034 59 // TASK: Check return payload is what we tried to set it to
tobyspark 11:90e5a72a0034 60 char payloadStr[7];
tobyspark 11:90e5a72a0034 61 for (int i = 0; i < 6; i++)
tobyspark 11:90e5a72a0034 62 {
tobyspark 11:90e5a72a0034 63 payloadStr[i] = ackBuff[11+i];
tobyspark 11:90e5a72a0034 64 }
tobyspark 11:90e5a72a0034 65 payloadStr[6] = NULL;
tobyspark 11:90e5a72a0034 66
tobyspark 11:90e5a72a0034 67 int payloadBack = strtol (payloadStr, NULL, 16);
tobyspark 11:90e5a72a0034 68
tobyspark 11:90e5a72a0034 69 if (payload != payloadBack)
tobyspark 11:90e5a72a0034 70 {
tobyspark 11:90e5a72a0034 71 success = false;
tobyspark 13:4d659b89a457 72 if (debug) debug->printf("TVOne return value (%d) is not what was set (%d). Channel: %#x, Window: %#x, Function: %#x \r\n", payloadBack, payload, channel, window, func);
tobyspark 11:90e5a72a0034 73 }
tobyspark 11:90e5a72a0034 74 return success;
tobyspark 11:90e5a72a0034 75 }
tobyspark 11:90e5a72a0034 76
tobyspark 11:90e5a72a0034 77 bool SPKTVOne::readCommand(uint8_t channel, uint8_t window, int32_t func, int32_t &payload)
tobyspark 11:90e5a72a0034 78 {
tobyspark 14:da403a01f9ef 79 int ackBuff[standardAckLength] = {0};
tobyspark 11:90e5a72a0034 80
tobyspark 11:90e5a72a0034 81 bool success = command(readCommandType, ackBuff, standardAckLength, channel, window, func, payload);
tobyspark 11:90e5a72a0034 82
tobyspark 19:350d1191e466 83 if (success)
tobyspark 19:350d1191e466 84 {
tobyspark 19:350d1191e466 85 char payloadStr[7];
tobyspark 19:350d1191e466 86 for (int i = 0; i < 6; i++)
tobyspark 19:350d1191e466 87 {
tobyspark 19:350d1191e466 88 payloadStr[i] = ackBuff[11+i];
tobyspark 19:350d1191e466 89 }
tobyspark 19:350d1191e466 90 payloadStr[6] = NULL;
tobyspark 19:350d1191e466 91
tobyspark 19:350d1191e466 92 payload = strtol (payloadStr, NULL, 16);
tobyspark 11:90e5a72a0034 93 }
tobyspark 10:5f398fc9b5c1 94
tobyspark 10:5f398fc9b5c1 95 return success;
tobyspark 10:5f398fc9b5c1 96 }
tobyspark 10:5f398fc9b5c1 97
tobyspark 10:5f398fc9b5c1 98 bool SPKTVOne::command(commandType readWrite, int* ackBuffer, int ackLength, uint8_t channel, uint8_t window, int32_t func, int32_t payload)
tobyspark 14:da403a01f9ef 99 {
tobyspark 14:da403a01f9ef 100 if (debug) debug->printf("TVOne %s Channel: %#x, Window: %#x, Function: %#x Payload: %i \r\n", (readWrite == writeCommandType) ? "Write" : "Read", channel, window, func, payload);
tobyspark 14:da403a01f9ef 101
tobyspark 0:533cfae24a1b 102 // TASK: Sign start of serial command write
tobyspark 0:533cfae24a1b 103 if (writeDO) *writeDO = 1;
tobyspark 0:533cfae24a1b 104
tobyspark 14:da403a01f9ef 105 // TASK: Prepare to issue command to the TVOne unit
tobyspark 14:da403a01f9ef 106 // - discard anything waiting to be read in the return serial buffer
tobyspark 14:da403a01f9ef 107 // - make sure we're past the minimum time between command sends as the unit can get overloaded
tobyspark 18:d765b0d9271c 108 while (serial->readable() || timer.read_ms() < commandMinimumPeriod) {
tobyspark 14:da403a01f9ef 109 if (serial->readable()) serial->getc();
tobyspark 0:533cfae24a1b 110 }
tobyspark 0:533cfae24a1b 111
tobyspark 0:533cfae24a1b 112 // TASK: Create the bytes of command
tobyspark 0:533cfae24a1b 113
tobyspark 0:533cfae24a1b 114 uint8_t cmd[8];
tobyspark 0:533cfae24a1b 115 uint8_t checksum = 0;
tobyspark 0:533cfae24a1b 116
tobyspark 0:533cfae24a1b 117 // CMD
tobyspark 10:5f398fc9b5c1 118 cmd[0] = readWrite<<7 | 1<<2;
tobyspark 0:533cfae24a1b 119 // CHA
tobyspark 0:533cfae24a1b 120 cmd[1] = channel;
tobyspark 0:533cfae24a1b 121 // WINDOW
tobyspark 0:533cfae24a1b 122 cmd[2] = window;
tobyspark 0:533cfae24a1b 123 // OUTPUT & FUNCTION
tobyspark 0:533cfae24a1b 124 // cmd[3] cmd[4]
tobyspark 0:533cfae24a1b 125 // output 0 = 0000xxx xxxxxxx
tobyspark 0:533cfae24a1b 126 // function = xxxXXXX XXXXXXX
tobyspark 0:533cfae24a1b 127 cmd[3] = func >> 8;
tobyspark 0:533cfae24a1b 128 cmd[4] = func & 0xFF;
tobyspark 0:533cfae24a1b 129 // PAYLOAD
tobyspark 0:533cfae24a1b 130 cmd[5] = (payload >> 16) & 0xFF;
tobyspark 0:533cfae24a1b 131 cmd[6] = (payload >> 8) & 0xFF;
tobyspark 0:533cfae24a1b 132 cmd[7] = payload & 0xFF;
tobyspark 0:533cfae24a1b 133
tobyspark 0:533cfae24a1b 134 // TASK: Write the bytes of command to RS232 as correctly packaged 20 characters of ASCII
tobyspark 10:5f398fc9b5c1 135
tobyspark 11:90e5a72a0034 136 if (readWrite == writeCommandType)
tobyspark 0:533cfae24a1b 137 {
tobyspark 14:da403a01f9ef 138 for (int i=0; i<8; i++) checksum += cmd[i];
tobyspark 10:5f398fc9b5c1 139 serial->printf("F%02X%02X%02X%02X%02X%02X%02X%02X%02X\r", cmd[0], cmd[1], cmd[2], cmd[3], cmd[4], cmd[5], cmd[6], cmd[7], checksum);
tobyspark 0:533cfae24a1b 140 }
tobyspark 11:90e5a72a0034 141 if (readWrite == readCommandType)
tobyspark 10:5f398fc9b5c1 142 {
tobyspark 14:da403a01f9ef 143 for (int i=0; i<5; i++) checksum += cmd[i];
tobyspark 10:5f398fc9b5c1 144 serial->printf("F%02X%02X%02X%02X%02X%02X\r", cmd[0], cmd[1], cmd[2], cmd[3], cmd[4], checksum);
tobyspark 10:5f398fc9b5c1 145 }
tobyspark 10:5f398fc9b5c1 146
tobyspark 0:533cfae24a1b 147 // TASK: Check the unit's return string, to enable return to main program as soon as unit is ready
tobyspark 0:533cfae24a1b 148
tobyspark 0:533cfae24a1b 149 // Handling the timing of this return is critical to effective control.
tobyspark 0:533cfae24a1b 150 // Returning the instant something is received back overloads the processor, as does anything until the full 20 char acknowledgement.
tobyspark 0:533cfae24a1b 151 // TVOne turn out to say that receipt of the ack doesn't guarantee the unit is ready for the next command.
tobyspark 0:533cfae24a1b 152 // According to the manual, operations typically take 30ms, and to simplify programming you can throttle commands to every 100ms.
tobyspark 0:533cfae24a1b 153 // 100ms is too slow for us. Going with returning after 30ms if we've received an acknowledgement, returning after 100ms otherwise.
tobyspark 10:5f398fc9b5c1 154
tobyspark 14:da403a01f9ef 155 bool success = false;
tobyspark 14:da403a01f9ef 156 int ackPos = 0;
tobyspark 14:da403a01f9ef 157 timer.reset();
tobyspark 0:533cfae24a1b 158
tobyspark 18:d765b0d9271c 159 while (timer.read_ms() < commandTimeoutPeriod)
tobyspark 10:5f398fc9b5c1 160 {
tobyspark 14:da403a01f9ef 161 if (serial->readable())
tobyspark 10:5f398fc9b5c1 162 {
tobyspark 14:da403a01f9ef 163 if (ackPos == 0)
tobyspark 9:42c83cac2f6d 164 {
tobyspark 14:da403a01f9ef 165 ackBuffer[0] = serial->getc();
tobyspark 14:da403a01f9ef 166 if (ackBuffer[0] == 'F') ackPos = 1;
tobyspark 14:da403a01f9ef 167 }
tobyspark 14:da403a01f9ef 168 else
tobyspark 14:da403a01f9ef 169 {
tobyspark 14:da403a01f9ef 170 ackBuffer[ackPos] = serial->getc();
tobyspark 14:da403a01f9ef 171 ackPos++;
tobyspark 14:da403a01f9ef 172 if (ackPos == ackLength) break;
tobyspark 0:533cfae24a1b 173 }
tobyspark 10:5f398fc9b5c1 174 }
tobyspark 9:42c83cac2f6d 175 }
tobyspark 20:ebddf3ddb1f6 176
tobyspark 14:da403a01f9ef 177 // Return true if we got the no error acknowledgement from the unit. The rest of the ack will be verified elsewhere if needed.
tobyspark 19:350d1191e466 178 if (ackPos == ackLength && ackBuffer[1] == '4')
tobyspark 14:da403a01f9ef 179 {
tobyspark 14:da403a01f9ef 180 success = true;
tobyspark 14:da403a01f9ef 181 }
tobyspark 0:533cfae24a1b 182
tobyspark 0:533cfae24a1b 183 // TASK: Sign end of write
tobyspark 0:533cfae24a1b 184
tobyspark 0:533cfae24a1b 185 if (writeDO) *writeDO = 0;
tobyspark 0:533cfae24a1b 186
tobyspark 0:533cfae24a1b 187 if (!success) {
tobyspark 0:533cfae24a1b 188 if (errorDO) {
tobyspark 0:533cfae24a1b 189 signErrorTimeout.detach();
tobyspark 0:533cfae24a1b 190 signErrorTimeout.attach(this, &SPKTVOne::signErrorOff, 0.25);
tobyspark 0:533cfae24a1b 191 *errorDO = 1;
tobyspark 0:533cfae24a1b 192 }
tobyspark 0:533cfae24a1b 193
tobyspark 0:533cfae24a1b 194 if (debug) {
tobyspark 14:da403a01f9ef 195 debug->printf("TVOne serial error. Time from finishing writing command: %ims. Received %i ack chars:", timer.read_ms(), ackPos);
tobyspark 14:da403a01f9ef 196 for (int i = 0; i<ackLength; i++)
tobyspark 14:da403a01f9ef 197 {
tobyspark 14:da403a01f9ef 198 debug->printf("%c", ackBuffer[i]);
tobyspark 14:da403a01f9ef 199 }
tobyspark 14:da403a01f9ef 200 debug->printf("\r\n");
tobyspark 0:533cfae24a1b 201 }
tobyspark 0:533cfae24a1b 202 };
tobyspark 0:533cfae24a1b 203
tobyspark 0:533cfae24a1b 204 return success;
tobyspark 0:533cfae24a1b 205 }
tobyspark 0:533cfae24a1b 206
tobyspark 18:d765b0d9271c 207 void SPKTVOne::setCommandTimeoutPeriod(int millis)
tobyspark 18:d765b0d9271c 208 {
tobyspark 18:d765b0d9271c 209 commandTimeoutPeriod = millis;
tobyspark 18:d765b0d9271c 210 }
tobyspark 18:d765b0d9271c 211
tobyspark 18:d765b0d9271c 212 void SPKTVOne::setCommandMinimumPeriod(int millis)
tobyspark 18:d765b0d9271c 213 {
tobyspark 18:d765b0d9271c 214 commandMinimumPeriod = millis;
tobyspark 18:d765b0d9271c 215 }
tobyspark 18:d765b0d9271c 216
tobyspark 18:d765b0d9271c 217 void SPKTVOne::increaseCommandPeriods(int millis)
tobyspark 18:d765b0d9271c 218 {
tobyspark 18:d765b0d9271c 219 commandTimeoutPeriod += millis;
tobyspark 18:d765b0d9271c 220 commandMinimumPeriod += millis;
tobyspark 18:d765b0d9271c 221
tobyspark 18:d765b0d9271c 222 if (debug) debug->printf("Command periods increased; minimum: %i, timeout: %i", commandMinimumPeriod, commandTimeoutPeriod);
tobyspark 18:d765b0d9271c 223 }
tobyspark 18:d765b0d9271c 224
tobyspark 18:d765b0d9271c 225 void SPKTVOne::resetCommandPeriods()
tobyspark 18:d765b0d9271c 226 {
tobyspark 18:d765b0d9271c 227 commandTimeoutPeriod = kTV1CommandTimeoutMillis;
tobyspark 18:d765b0d9271c 228 commandMinimumPeriod = kTV1CommandMinimumMillis;
tobyspark 18:d765b0d9271c 229 }
tobyspark 18:d765b0d9271c 230
tobyspark 20:ebddf3ddb1f6 231 int SPKTVOne::getCommandTimeoutPeriod()
tobyspark 20:ebddf3ddb1f6 232 {
tobyspark 20:ebddf3ddb1f6 233 return commandTimeoutPeriod;
tobyspark 20:ebddf3ddb1f6 234 }
tobyspark 20:ebddf3ddb1f6 235
tobyspark 20:ebddf3ddb1f6 236 int SPKTVOne::millisSinceLastCommandSent()
tobyspark 14:da403a01f9ef 237 {
tobyspark 14:da403a01f9ef 238 return timer.read_ms();
tobyspark 14:da403a01f9ef 239 }
tobyspark 14:da403a01f9ef 240
tobyspark 18:d765b0d9271c 241 bool SPKTVOne::uploadCustomResolutions()
tobyspark 0:533cfae24a1b 242 {
tobyspark 11:90e5a72a0034 243 bool ok = true;;
tobyspark 11:90e5a72a0034 244 int unlocked = 0;
tobyspark 11:90e5a72a0034 245 int locked = 1;
tobyspark 11:90e5a72a0034 246
tobyspark 11:90e5a72a0034 247 ok = ok && command(0, 0, kTV1FunctionAdjustFrontPanelLock, locked);
tobyspark 11:90e5a72a0034 248
tobyspark 11:90e5a72a0034 249 ok = ok && set1920x480(kTV1ResolutionTripleHeadVGAp60);
tobyspark 11:90e5a72a0034 250 ok = ok && set1600x600(kTV1ResolutionDualHeadSVGAp60);
tobyspark 11:90e5a72a0034 251 ok = ok && set2048x768(kTV1ResolutionDualHeadXGAp60);
tobyspark 11:90e5a72a0034 252
tobyspark 11:90e5a72a0034 253 ok = ok && command(0, 0, kTV1FunctionAdjustFrontPanelLock, unlocked);
tobyspark 11:90e5a72a0034 254
tobyspark 11:90e5a72a0034 255 return ok;
tobyspark 0:533cfae24a1b 256 }
tobyspark 0:533cfae24a1b 257
tobyspark 18:d765b0d9271c 258 bool SPKTVOne::setResolution(int resolution, int edidSlot)
tobyspark 18:d765b0d9271c 259 {
tobyspark 18:d765b0d9271c 260 bool ok;
tobyspark 18:d765b0d9271c 261
tobyspark 18:d765b0d9271c 262 int minPeriodOnEntry = commandMinimumPeriod;
tobyspark 18:d765b0d9271c 263 int outPeriodOnEntry = commandTimeoutPeriod;
tobyspark 18:d765b0d9271c 264
tobyspark 18:d765b0d9271c 265 for (int i=0; i < 3; i++)
tobyspark 18:d765b0d9271c 266 {
tobyspark 18:d765b0d9271c 267 ok = command(0, kTV1WindowIDA, kTV1FunctionAdjustOutputsOutputResolution, resolution);
tobyspark 18:d765b0d9271c 268
tobyspark 18:d765b0d9271c 269 if (ok) break;
tobyspark 18:d765b0d9271c 270 else increaseCommandPeriods(500);
tobyspark 18:d765b0d9271c 271 }
tobyspark 18:d765b0d9271c 272 commandMinimumPeriod = minPeriodOnEntry;
tobyspark 18:d765b0d9271c 273 commandTimeoutPeriod = outPeriodOnEntry;
tobyspark 18:d765b0d9271c 274 if (!ok) return ok;
tobyspark 18:d765b0d9271c 275
tobyspark 18:d765b0d9271c 276 for (int i=0; i < 3; i++)
tobyspark 18:d765b0d9271c 277 {
tobyspark 18:d765b0d9271c 278 ok = command(kTV1SourceRGB1, kTV1WindowIDA, kTV1FunctionAdjustSourceEDID, edidSlot);
tobyspark 18:d765b0d9271c 279 ok = ok && command(kTV1SourceRGB2, kTV1WindowIDA, kTV1FunctionAdjustSourceEDID, edidSlot);
tobyspark 18:d765b0d9271c 280
tobyspark 18:d765b0d9271c 281 if (ok) break;
tobyspark 18:d765b0d9271c 282 else increaseCommandPeriods(500);
tobyspark 18:d765b0d9271c 283 }
tobyspark 18:d765b0d9271c 284 commandMinimumPeriod = minPeriodOnEntry;
tobyspark 18:d765b0d9271c 285 commandTimeoutPeriod = outPeriodOnEntry;
tobyspark 18:d765b0d9271c 286
tobyspark 18:d765b0d9271c 287 return ok;
tobyspark 18:d765b0d9271c 288 }
tobyspark 18:d765b0d9271c 289
tobyspark 3:03e7e7b7a870 290 bool SPKTVOne::setHDCPOn(bool state)
tobyspark 0:533cfae24a1b 291 {
tobyspark 18:d765b0d9271c 292 bool ok;
tobyspark 18:d765b0d9271c 293
tobyspark 18:d765b0d9271c 294 int minPeriodOnEntry = commandMinimumPeriod;
tobyspark 18:d765b0d9271c 295 int outPeriodOnEntry = commandTimeoutPeriod;
tobyspark 18:d765b0d9271c 296
tobyspark 18:d765b0d9271c 297 // HDCP can sometimes take a little time to settle down
tobyspark 18:d765b0d9271c 298 for (int i=0; i < 3; i++)
tobyspark 18:d765b0d9271c 299 {
tobyspark 18:d765b0d9271c 300 // Turn HDCP off on the output
tobyspark 18:d765b0d9271c 301 ok = command(0, kTV1WindowIDA, kTV1FunctionAdjustOutputsHDCPRequired, state);
tobyspark 18:d765b0d9271c 302
tobyspark 18:d765b0d9271c 303 // Likewise on inputs A and B
tobyspark 18:d765b0d9271c 304 ok = ok && command(kTV1SourceRGB1, kTV1WindowIDA, kTV1FunctionAdjustSourceHDCPAdvertize, state);
tobyspark 18:d765b0d9271c 305 ok = ok && command(kTV1SourceRGB2, kTV1WindowIDA, kTV1FunctionAdjustSourceHDCPAdvertize, state);
tobyspark 19:350d1191e466 306
tobyspark 19:350d1191e466 307 // This verify code is accurate but too misleading for D-Fuser use - eg. actual HDCP state requires source / output connection.
tobyspark 19:350d1191e466 308 // // Now verify whats actually going on.
tobyspark 19:350d1191e466 309 // int32_t payload = -1;
tobyspark 19:350d1191e466 310 // ok = ok && readCommand(0, kTV1WindowIDA, kTV1FunctionAdjustOutputsHDCPStatus, payload);
tobyspark 19:350d1191e466 311 // switch (payload)
tobyspark 19:350d1191e466 312 // {
tobyspark 19:350d1191e466 313 // case 0: ok = ok && !state; break;
tobyspark 19:350d1191e466 314 // case 1: ok = ok && !state; break;
tobyspark 19:350d1191e466 315 // case 2: ok = ok && state; break;
tobyspark 19:350d1191e466 316 // case 3: ok = ok && !state; break;
tobyspark 19:350d1191e466 317 // case 4: ok = ok && state; break;
tobyspark 19:350d1191e466 318 // default: ok = false;
tobyspark 19:350d1191e466 319 // }
tobyspark 19:350d1191e466 320 //
tobyspark 19:350d1191e466 321 // payload = -1;
tobyspark 19:350d1191e466 322 // ok = ok && readCommand(kTV1SourceRGB1, kTV1WindowIDA, kTV1FunctionAdjustSourceHDCPStatus, payload);
tobyspark 19:350d1191e466 323 // ok = ok && (payload == state);
tobyspark 19:350d1191e466 324 //
tobyspark 19:350d1191e466 325 // payload = -1;
tobyspark 19:350d1191e466 326 // ok = ok && readCommand(kTV1SourceRGB2, kTV1WindowIDA, kTV1FunctionAdjustSourceHDCPStatus, payload);
tobyspark 19:350d1191e466 327 // ok = ok && (payload == state);
tobyspark 18:d765b0d9271c 328
tobyspark 18:d765b0d9271c 329 if (ok) break;
tobyspark 18:d765b0d9271c 330 else increaseCommandPeriods(500);
tobyspark 18:d765b0d9271c 331 }
tobyspark 18:d765b0d9271c 332 commandMinimumPeriod = minPeriodOnEntry;
tobyspark 18:d765b0d9271c 333 commandTimeoutPeriod = outPeriodOnEntry;
tobyspark 0:533cfae24a1b 334
tobyspark 18:d765b0d9271c 335 return ok;
tobyspark 0:533cfae24a1b 336 }
tobyspark 0:533cfae24a1b 337
tobyspark 11:90e5a72a0034 338 bool SPKTVOne::set1920x480(int resStoreNumber)
tobyspark 0:533cfae24a1b 339 {
tobyspark 11:90e5a72a0034 340 bool ok;
tobyspark 11:90e5a72a0034 341
tobyspark 11:90e5a72a0034 342 ok = command(0, 0, kTV1FunctionAdjustResolutionImageToAdjust, resStoreNumber);
tobyspark 18:d765b0d9271c 343
tobyspark 18:d765b0d9271c 344 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionInterlaced, 0);
tobyspark 18:d765b0d9271c 345 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionFreqCoarseH, 31475);
tobyspark 18:d765b0d9271c 346 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionFreqFineH, 31475);
tobyspark 18:d765b0d9271c 347 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionActiveH, 1920);
tobyspark 18:d765b0d9271c 348 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionActiveV, 480);
tobyspark 18:d765b0d9271c 349 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionStartH, 240);
tobyspark 18:d765b0d9271c 350 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionStartV, 5);
tobyspark 18:d765b0d9271c 351 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionCLKS, 2400);
tobyspark 18:d765b0d9271c 352 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionLines, 525);
tobyspark 18:d765b0d9271c 353 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionSyncH, 192);
tobyspark 18:d765b0d9271c 354 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionSyncV, 30);
tobyspark 18:d765b0d9271c 355 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionSyncPolarity, 0);
tobyspark 11:90e5a72a0034 356
tobyspark 11:90e5a72a0034 357 return ok;
tobyspark 0:533cfae24a1b 358 }
tobyspark 0:533cfae24a1b 359
tobyspark 11:90e5a72a0034 360 bool SPKTVOne::set1600x600(int resStoreNumber)
tobyspark 0:533cfae24a1b 361 {
tobyspark 11:90e5a72a0034 362 bool ok;
tobyspark 11:90e5a72a0034 363
tobyspark 11:90e5a72a0034 364 ok = command(0, 0, kTV1FunctionAdjustResolutionImageToAdjust, resStoreNumber);
tobyspark 18:d765b0d9271c 365
tobyspark 18:d765b0d9271c 366 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionInterlaced, 0);
tobyspark 18:d765b0d9271c 367 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionFreqCoarseH, 37879);
tobyspark 18:d765b0d9271c 368 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionFreqFineH, 37879);
tobyspark 18:d765b0d9271c 369 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionActiveH, 1600);
tobyspark 18:d765b0d9271c 370 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionActiveV, 600);
tobyspark 18:d765b0d9271c 371 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionStartH, 192);
tobyspark 18:d765b0d9271c 372 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionStartV, 14);
tobyspark 18:d765b0d9271c 373 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionCLKS, 2112);
tobyspark 18:d765b0d9271c 374 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionLines, 628);
tobyspark 18:d765b0d9271c 375 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionSyncH, 160);
tobyspark 18:d765b0d9271c 376 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionSyncV, 13);
tobyspark 18:d765b0d9271c 377 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionSyncPolarity, 0);
tobyspark 11:90e5a72a0034 378
tobyspark 11:90e5a72a0034 379 return ok;
tobyspark 0:533cfae24a1b 380 }
tobyspark 0:533cfae24a1b 381
tobyspark 11:90e5a72a0034 382 bool SPKTVOne::set2048x768(int resStoreNumber)
tobyspark 2:af9e9ab63b23 383 {
tobyspark 11:90e5a72a0034 384 bool ok;
tobyspark 11:90e5a72a0034 385
tobyspark 11:90e5a72a0034 386 ok = command(0, 0, kTV1FunctionAdjustResolutionImageToAdjust, resStoreNumber);
tobyspark 18:d765b0d9271c 387
tobyspark 18:d765b0d9271c 388 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionInterlaced, 0);
tobyspark 18:d765b0d9271c 389 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionFreqCoarseH, 48363);
tobyspark 18:d765b0d9271c 390 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionFreqFineH, 48363);
tobyspark 18:d765b0d9271c 391 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionActiveH, 2048);
tobyspark 18:d765b0d9271c 392 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionActiveV, 768);
tobyspark 18:d765b0d9271c 393 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionStartH, 224);
tobyspark 18:d765b0d9271c 394 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionStartV, 11);
tobyspark 18:d765b0d9271c 395 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionCLKS, 2688);
tobyspark 18:d765b0d9271c 396 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionLines, 806);
tobyspark 18:d765b0d9271c 397 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionSyncH, 368);
tobyspark 18:d765b0d9271c 398 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionSyncV, 24);
tobyspark 18:d765b0d9271c 399 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionSyncPolarity, 0);
tobyspark 11:90e5a72a0034 400
tobyspark 11:90e5a72a0034 401 return ok;
tobyspark 2:af9e9ab63b23 402 }
tobyspark 2:af9e9ab63b23 403
tobyspark 0:533cfae24a1b 404 void SPKTVOne::signErrorOff() {
tobyspark 0:533cfae24a1b 405 *errorDO = 0;
tobyspark 0:533cfae24a1b 406 }
tobyspark 14:da403a01f9ef 407
tobyspark 18:d765b0d9271c 408 SPKTVOne::processorType SPKTVOne::getProcessorType()
tobyspark 18:d765b0d9271c 409 {
tobyspark 18:d765b0d9271c 410 bool ok;
tobyspark 18:d765b0d9271c 411 int32_t payload = 0;
tobyspark 18:d765b0d9271c 412
tobyspark 18:d765b0d9271c 413 if (processor.version == -1)
tobyspark 18:d765b0d9271c 414 {
tobyspark 18:d765b0d9271c 415 ok = readCommand(0, kTV1WindowIDA, kTV1FunctionReadSoftwareVersion, payload);
tobyspark 18:d765b0d9271c 416 if (ok && payload > 0) processor.version = payload;
tobyspark 18:d765b0d9271c 417 }
tobyspark 18:d765b0d9271c 418
tobyspark 18:d765b0d9271c 419 if (processor.productType == -1)
tobyspark 18:d765b0d9271c 420 {
tobyspark 18:d765b0d9271c 421 ok = readCommand(0, kTV1WindowIDA, kTV1FunctionReadProductType, payload);
tobyspark 18:d765b0d9271c 422 if (ok && payload > 0) processor.productType = payload;
tobyspark 18:d765b0d9271c 423 }
tobyspark 18:d765b0d9271c 424
tobyspark 18:d765b0d9271c 425 if (processor.boardType == -1)
tobyspark 18:d765b0d9271c 426 {
tobyspark 18:d765b0d9271c 427 ok = readCommand(0, kTV1WindowIDA, kTV1FunctionReadBoardType, payload);
tobyspark 18:d765b0d9271c 428 if (ok && payload > 0) processor.boardType = payload;
tobyspark 18:d765b0d9271c 429 }
tobyspark 18:d765b0d9271c 430
tobyspark 18:d765b0d9271c 431 if (debug) debug->printf("v: %i, p: %i, b: %i", processor.version, processor.productType, processor.boardType);
tobyspark 18:d765b0d9271c 432
tobyspark 18:d765b0d9271c 433 return processor;
tobyspark 18:d765b0d9271c 434 }
tobyspark 18:d765b0d9271c 435
tobyspark 17:68b9bb89da2b 436 void SPKTVOne::timerCheck() {
tobyspark 17:68b9bb89da2b 437 // timers are based on 32-bit int microsecond counters, so can only time up to a maximum of 2^31-1 microseconds i.e. 30 minutes.
tobyspark 17:68b9bb89da2b 438 // this method is called once a minute, and resets the timer if we've been idle for 25mins.
tobyspark 18:d765b0d9271c 439 if (timer.read_ms() > 1000*60*25)
tobyspark 17:68b9bb89da2b 440 {
tobyspark 17:68b9bb89da2b 441 if (debug) debug->printf("TVOne Timer reset at %ims", timer.read_ms());
tobyspark 17:68b9bb89da2b 442 timer.reset();
tobyspark 17:68b9bb89da2b 443 }
tobyspark 17:68b9bb89da2b 444 }
tobyspark 17:68b9bb89da2b 445
tobyspark 16:ed8d08386034 446 bool SPKTVOne::uploadEDID(FILE *file, int edidSlotIndex)
tobyspark 14:da403a01f9ef 447 {
tobyspark 16:ed8d08386034 448 bool success;
tobyspark 14:da403a01f9ef 449
tobyspark 14:da403a01f9ef 450 // To write EDID, its broken into chunks and sent as a series of extra-long commands
tobyspark 14:da403a01f9ef 451 // Command: 8 bytes of command (see code below) + 32 bytes of EDID payload + End byte
tobyspark 14:da403a01f9ef 452 // Acknowledgement: 53 02 40 95 (Hex)
tobyspark 16:ed8d08386034 453 // We want to upload full EDID slot, ie. zero out to 256 even if edidData is only 128bytes.
tobyspark 14:da403a01f9ef 454
tobyspark 16:ed8d08386034 455 if (debug) debug->printf("Upload EDID to index %i \r\n", edidSlotIndex);
tobyspark 16:ed8d08386034 456
tobyspark 16:ed8d08386034 457 success = uploadFile(0x07, file, 256, edidSlotIndex);
tobyspark 16:ed8d08386034 458
tobyspark 16:ed8d08386034 459 return success;
tobyspark 16:ed8d08386034 460 }
tobyspark 16:ed8d08386034 461
tobyspark 16:ed8d08386034 462 bool SPKTVOne::uploadImage(FILE *file, int sisIndex)
tobyspark 16:ed8d08386034 463 {
tobyspark 16:ed8d08386034 464 bool success;
tobyspark 16:ed8d08386034 465
tobyspark 16:ed8d08386034 466 int imageDataLength = 0;
tobyspark 16:ed8d08386034 467
tobyspark 16:ed8d08386034 468 while (fgetc(file) != EOF) imageDataLength++ ;
tobyspark 16:ed8d08386034 469
tobyspark 16:ed8d08386034 470 if (debug) debug->printf("Upload Image with length %i to index %i \r\n", imageDataLength, sisIndex);
tobyspark 16:ed8d08386034 471
tobyspark 16:ed8d08386034 472 success = uploadFile(0x00, file, imageDataLength, sisIndex);
tobyspark 16:ed8d08386034 473
tobyspark 16:ed8d08386034 474 return success;
tobyspark 16:ed8d08386034 475 }
tobyspark 16:ed8d08386034 476
tobyspark 16:ed8d08386034 477 bool SPKTVOne::uploadFile(char instruction, FILE* file, int dataLength, int index)
tobyspark 16:ed8d08386034 478 {
tobyspark 16:ed8d08386034 479 // TASK: Upload Data
tobyspark 16:ed8d08386034 480
tobyspark 18:d765b0d9271c 481 // Lets be conservative with timings
tobyspark 18:d765b0d9271c 482 setCommandMinimumPeriod(100);
tobyspark 18:d765b0d9271c 483 setCommandTimeoutPeriod(300);
tobyspark 18:d765b0d9271c 484
tobyspark 16:ed8d08386034 485 // This command is reverse engineered. It implements an 'S' command, not the documented 'F'.
tobyspark 14:da403a01f9ef 486
tobyspark 14:da403a01f9ef 487 bool success = false;
tobyspark 14:da403a01f9ef 488
tobyspark 16:ed8d08386034 489 int dataChunkSize = 32;
tobyspark 14:da403a01f9ef 490 int ackLength = 4;
tobyspark 14:da403a01f9ef 491 char goodAck[] = {0x53, 0x02, 0x40, 0x95};
tobyspark 14:da403a01f9ef 492
tobyspark 16:ed8d08386034 493 fseek(file, 0, SEEK_SET);
tobyspark 16:ed8d08386034 494
tobyspark 16:ed8d08386034 495 for (int i=0; i<dataLength; i=i+dataChunkSize)
tobyspark 14:da403a01f9ef 496 {
tobyspark 16:ed8d08386034 497 int dataRemaining = dataLength - i;
tobyspark 18:d765b0d9271c 498 int actualDataChunkSize = (dataRemaining < dataChunkSize) ? dataRemaining : dataChunkSize;
tobyspark 16:ed8d08386034 499
tobyspark 16:ed8d08386034 500 int commandLength = 8+dataChunkSize+1;
tobyspark 14:da403a01f9ef 501 char command[commandLength];
tobyspark 14:da403a01f9ef 502
tobyspark 14:da403a01f9ef 503 command[0] = 0x53;
tobyspark 18:d765b0d9271c 504 command[1] = 6 + actualDataChunkSize + 1; // Subsequent number of bytes in command
tobyspark 14:da403a01f9ef 505 command[2] = 0x22;
tobyspark 16:ed8d08386034 506 command[3] = instruction;
tobyspark 16:ed8d08386034 507 command[4] = index;
tobyspark 14:da403a01f9ef 508 command[5] = 0;
tobyspark 16:ed8d08386034 509 command[6] = (i / dataChunkSize) & 0xFF; // chunk index LSB
tobyspark 16:ed8d08386034 510 command[7] = ((i / dataChunkSize) >> 8) & 0xFF; // chunk index MSB
tobyspark 14:da403a01f9ef 511
tobyspark 18:d765b0d9271c 512 for (int j=0; j<actualDataChunkSize; j++)
tobyspark 14:da403a01f9ef 513 {
tobyspark 16:ed8d08386034 514 char data = fgetc(file);
tobyspark 16:ed8d08386034 515 if (!feof(file))
tobyspark 16:ed8d08386034 516 *(command+8+j) = data;
tobyspark 14:da403a01f9ef 517 else
tobyspark 14:da403a01f9ef 518 *(command+8+j) = 0;
tobyspark 14:da403a01f9ef 519 }
tobyspark 14:da403a01f9ef 520
tobyspark 18:d765b0d9271c 521 command[8+actualDataChunkSize] = 0x3F;
tobyspark 14:da403a01f9ef 522
tobyspark 14:da403a01f9ef 523 if (debug)
tobyspark 14:da403a01f9ef 524 {
tobyspark 16:ed8d08386034 525 debug->printf("Command: ");
tobyspark 14:da403a01f9ef 526 for (int k=0; k < commandLength; k++) debug->printf(" %x", command[k]);
tobyspark 14:da403a01f9ef 527 debug->printf("\r\n");
tobyspark 14:da403a01f9ef 528 }
tobyspark 14:da403a01f9ef 529
tobyspark 18:d765b0d9271c 530 while (serial->readable() || timer.read_ms() < commandMinimumPeriod)
tobyspark 14:da403a01f9ef 531 {
tobyspark 14:da403a01f9ef 532 if (serial->readable()) serial->getc();
tobyspark 14:da403a01f9ef 533 }
tobyspark 14:da403a01f9ef 534
tobyspark 14:da403a01f9ef 535 for (int k=0; k < commandLength; k++) serial->putc(command[k]);
tobyspark 14:da403a01f9ef 536
tobyspark 14:da403a01f9ef 537 timer.reset();
tobyspark 14:da403a01f9ef 538
tobyspark 14:da403a01f9ef 539 char ackBuffer[4];
tobyspark 14:da403a01f9ef 540 int ackPos = 0;
tobyspark 18:d765b0d9271c 541 while (timer.read_ms() < commandTimeoutPeriod)
tobyspark 14:da403a01f9ef 542 {
tobyspark 14:da403a01f9ef 543 if (serial->readable()) ackBuffer[ackPos++] = serial->getc();
tobyspark 14:da403a01f9ef 544 if (ackPos == 4) break;
tobyspark 14:da403a01f9ef 545 }
tobyspark 16:ed8d08386034 546
tobyspark 14:da403a01f9ef 547 if (memcmp(ackBuffer, goodAck, ackLength) == 0)
tobyspark 14:da403a01f9ef 548 {
tobyspark 14:da403a01f9ef 549 success = true;
tobyspark 14:da403a01f9ef 550 }
tobyspark 14:da403a01f9ef 551 else
tobyspark 14:da403a01f9ef 552 {
tobyspark 14:da403a01f9ef 553 success = false;
tobyspark 14:da403a01f9ef 554 if (debug)
tobyspark 14:da403a01f9ef 555 {
tobyspark 18:d765b0d9271c 556 debug->printf("Data Part write failed. Ack:");
tobyspark 14:da403a01f9ef 557 for (int k = 0; k < ackLength; k++) debug->printf(" %x", ackBuffer[k]);
tobyspark 14:da403a01f9ef 558 debug->printf("\r\n");
tobyspark 14:da403a01f9ef 559 }
tobyspark 14:da403a01f9ef 560 break;
tobyspark 14:da403a01f9ef 561 }
tobyspark 14:da403a01f9ef 562 }
tobyspark 14:da403a01f9ef 563
tobyspark 18:d765b0d9271c 564 resetCommandPeriods();
tobyspark 18:d765b0d9271c 565
tobyspark 14:da403a01f9ef 566 return success;
tobyspark 14:da403a01f9ef 567 }