Toby Harris / SPK-TVOne

RS232 control for TVOne products

Dependents:   SPK-DVIMXR

spk_tvone_mbed.cpp@21:2260dde18dfa, 2013-05-12 (annotated)

Committer:
tobyspark
Date:
Sun May 12 18:36:40 2013 +0000
Revision:
21:2260dde18dfa
Parent:
20:ebddf3ddb1f6
Child:
23:46f42462a183
Convenience methods getResolution() and getEDID()

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 21:2260dde18dfa 258 int SPKTVOne::getEDID()
tobyspark 21:2260dde18dfa 259 {
tobyspark 21:2260dde18dfa 260 bool ok = true;
tobyspark 21:2260dde18dfa 261
tobyspark 21:2260dde18dfa 262 int32_t payload1 = -1;
tobyspark 21:2260dde18dfa 263 ok = ok && readCommand(kTV1SourceRGB1, kTV1WindowIDA, kTV1FunctionAdjustSourceEDID, payload1);
tobyspark 21:2260dde18dfa 264
tobyspark 21:2260dde18dfa 265 int32_t payload2 = -1;
tobyspark 21:2260dde18dfa 266 ok = ok && readCommand(kTV1SourceRGB2, kTV1WindowIDA, kTV1FunctionAdjustSourceEDID, payload2);
tobyspark 21:2260dde18dfa 267
tobyspark 21:2260dde18dfa 268 int EDID = (payload1 == payload2) ? payload1 : -1;
tobyspark 21:2260dde18dfa 269
tobyspark 21:2260dde18dfa 270 return ok ? EDID : -1;
tobyspark 21:2260dde18dfa 271 }
tobyspark 21:2260dde18dfa 272
tobyspark 21:2260dde18dfa 273 int SPKTVOne::getResolution()
tobyspark 21:2260dde18dfa 274 {
tobyspark 21:2260dde18dfa 275 bool ok;
tobyspark 21:2260dde18dfa 276
tobyspark 21:2260dde18dfa 277 int32_t payload = -1;
tobyspark 21:2260dde18dfa 278 ok = readCommand(0, kTV1WindowIDA, kTV1FunctionAdjustOutputsOutputResolution, payload);
tobyspark 21:2260dde18dfa 279
tobyspark 21:2260dde18dfa 280 return ok ? payload : -1;
tobyspark 21:2260dde18dfa 281 }
tobyspark 21:2260dde18dfa 282
tobyspark 18:d765b0d9271c 283 bool SPKTVOne::setResolution(int resolution, int edidSlot)
tobyspark 18:d765b0d9271c 284 {
tobyspark 18:d765b0d9271c 285 bool ok;
tobyspark 18:d765b0d9271c 286
tobyspark 18:d765b0d9271c 287 int minPeriodOnEntry = commandMinimumPeriod;
tobyspark 18:d765b0d9271c 288 int outPeriodOnEntry = commandTimeoutPeriod;
tobyspark 18:d765b0d9271c 289
tobyspark 18:d765b0d9271c 290 for (int i=0; i < 3; i++)
tobyspark 18:d765b0d9271c 291 {
tobyspark 18:d765b0d9271c 292 ok = command(0, kTV1WindowIDA, kTV1FunctionAdjustOutputsOutputResolution, resolution);
tobyspark 18:d765b0d9271c 293
tobyspark 18:d765b0d9271c 294 if (ok) break;
tobyspark 18:d765b0d9271c 295 else increaseCommandPeriods(500);
tobyspark 18:d765b0d9271c 296 }
tobyspark 18:d765b0d9271c 297 commandMinimumPeriod = minPeriodOnEntry;
tobyspark 18:d765b0d9271c 298 commandTimeoutPeriod = outPeriodOnEntry;
tobyspark 18:d765b0d9271c 299 if (!ok) return ok;
tobyspark 18:d765b0d9271c 300
tobyspark 18:d765b0d9271c 301 for (int i=0; i < 3; i++)
tobyspark 18:d765b0d9271c 302 {
tobyspark 18:d765b0d9271c 303 ok = command(kTV1SourceRGB1, kTV1WindowIDA, kTV1FunctionAdjustSourceEDID, edidSlot);
tobyspark 18:d765b0d9271c 304 ok = ok && command(kTV1SourceRGB2, kTV1WindowIDA, kTV1FunctionAdjustSourceEDID, edidSlot);
tobyspark 18:d765b0d9271c 305
tobyspark 18:d765b0d9271c 306 if (ok) break;
tobyspark 18:d765b0d9271c 307 else increaseCommandPeriods(500);
tobyspark 18:d765b0d9271c 308 }
tobyspark 18:d765b0d9271c 309 commandMinimumPeriod = minPeriodOnEntry;
tobyspark 18:d765b0d9271c 310 commandTimeoutPeriod = outPeriodOnEntry;
tobyspark 18:d765b0d9271c 311
tobyspark 18:d765b0d9271c 312 return ok;
tobyspark 18:d765b0d9271c 313 }
tobyspark 18:d765b0d9271c 314
tobyspark 3:03e7e7b7a870 315 bool SPKTVOne::setHDCPOn(bool state)
tobyspark 0:533cfae24a1b 316 {
tobyspark 18:d765b0d9271c 317 bool ok;
tobyspark 18:d765b0d9271c 318
tobyspark 18:d765b0d9271c 319 int minPeriodOnEntry = commandMinimumPeriod;
tobyspark 18:d765b0d9271c 320 int outPeriodOnEntry = commandTimeoutPeriod;
tobyspark 18:d765b0d9271c 321
tobyspark 18:d765b0d9271c 322 // HDCP can sometimes take a little time to settle down
tobyspark 18:d765b0d9271c 323 for (int i=0; i < 3; i++)
tobyspark 18:d765b0d9271c 324 {
tobyspark 18:d765b0d9271c 325 // Turn HDCP off on the output
tobyspark 18:d765b0d9271c 326 ok = command(0, kTV1WindowIDA, kTV1FunctionAdjustOutputsHDCPRequired, state);
tobyspark 18:d765b0d9271c 327
tobyspark 18:d765b0d9271c 328 // Likewise on inputs A and B
tobyspark 18:d765b0d9271c 329 ok = ok && command(kTV1SourceRGB1, kTV1WindowIDA, kTV1FunctionAdjustSourceHDCPAdvertize, state);
tobyspark 18:d765b0d9271c 330 ok = ok && command(kTV1SourceRGB2, kTV1WindowIDA, kTV1FunctionAdjustSourceHDCPAdvertize, state);
tobyspark 19:350d1191e466 331
tobyspark 19:350d1191e466 332 // This verify code is accurate but too misleading for D-Fuser use - eg. actual HDCP state requires source / output connection.
tobyspark 19:350d1191e466 333 // // Now verify whats actually going on.
tobyspark 19:350d1191e466 334 // int32_t payload = -1;
tobyspark 19:350d1191e466 335 // ok = ok && readCommand(0, kTV1WindowIDA, kTV1FunctionAdjustOutputsHDCPStatus, payload);
tobyspark 19:350d1191e466 336 // switch (payload)
tobyspark 19:350d1191e466 337 // {
tobyspark 19:350d1191e466 338 // case 0: ok = ok && !state; break;
tobyspark 19:350d1191e466 339 // case 1: ok = ok && !state; break;
tobyspark 19:350d1191e466 340 // case 2: ok = ok && state; break;
tobyspark 19:350d1191e466 341 // case 3: ok = ok && !state; break;
tobyspark 19:350d1191e466 342 // case 4: ok = ok && state; break;
tobyspark 19:350d1191e466 343 // default: ok = false;
tobyspark 19:350d1191e466 344 // }
tobyspark 19:350d1191e466 345 //
tobyspark 19:350d1191e466 346 // payload = -1;
tobyspark 19:350d1191e466 347 // ok = ok && readCommand(kTV1SourceRGB1, kTV1WindowIDA, kTV1FunctionAdjustSourceHDCPStatus, payload);
tobyspark 19:350d1191e466 348 // ok = ok && (payload == state);
tobyspark 19:350d1191e466 349 //
tobyspark 19:350d1191e466 350 // payload = -1;
tobyspark 19:350d1191e466 351 // ok = ok && readCommand(kTV1SourceRGB2, kTV1WindowIDA, kTV1FunctionAdjustSourceHDCPStatus, payload);
tobyspark 19:350d1191e466 352 // ok = ok && (payload == state);
tobyspark 18:d765b0d9271c 353
tobyspark 18:d765b0d9271c 354 if (ok) break;
tobyspark 18:d765b0d9271c 355 else increaseCommandPeriods(500);
tobyspark 18:d765b0d9271c 356 }
tobyspark 18:d765b0d9271c 357 commandMinimumPeriod = minPeriodOnEntry;
tobyspark 18:d765b0d9271c 358 commandTimeoutPeriod = outPeriodOnEntry;
tobyspark 0:533cfae24a1b 359
tobyspark 18:d765b0d9271c 360 return ok;
tobyspark 0:533cfae24a1b 361 }
tobyspark 0:533cfae24a1b 362
tobyspark 11:90e5a72a0034 363 bool SPKTVOne::set1920x480(int resStoreNumber)
tobyspark 0:533cfae24a1b 364 {
tobyspark 11:90e5a72a0034 365 bool ok;
tobyspark 11:90e5a72a0034 366
tobyspark 11:90e5a72a0034 367 ok = command(0, 0, kTV1FunctionAdjustResolutionImageToAdjust, resStoreNumber);
tobyspark 18:d765b0d9271c 368
tobyspark 18:d765b0d9271c 369 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionInterlaced, 0);
tobyspark 18:d765b0d9271c 370 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionFreqCoarseH, 31475);
tobyspark 18:d765b0d9271c 371 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionFreqFineH, 31475);
tobyspark 18:d765b0d9271c 372 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionActiveH, 1920);
tobyspark 18:d765b0d9271c 373 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionActiveV, 480);
tobyspark 18:d765b0d9271c 374 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionStartH, 240);
tobyspark 18:d765b0d9271c 375 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionStartV, 5);
tobyspark 18:d765b0d9271c 376 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionCLKS, 2400);
tobyspark 18:d765b0d9271c 377 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionLines, 525);
tobyspark 18:d765b0d9271c 378 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionSyncH, 192);
tobyspark 18:d765b0d9271c 379 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionSyncV, 30);
tobyspark 18:d765b0d9271c 380 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionSyncPolarity, 0);
tobyspark 11:90e5a72a0034 381
tobyspark 11:90e5a72a0034 382 return ok;
tobyspark 0:533cfae24a1b 383 }
tobyspark 0:533cfae24a1b 384
tobyspark 11:90e5a72a0034 385 bool SPKTVOne::set1600x600(int resStoreNumber)
tobyspark 0:533cfae24a1b 386 {
tobyspark 11:90e5a72a0034 387 bool ok;
tobyspark 11:90e5a72a0034 388
tobyspark 11:90e5a72a0034 389 ok = command(0, 0, kTV1FunctionAdjustResolutionImageToAdjust, resStoreNumber);
tobyspark 18:d765b0d9271c 390
tobyspark 18:d765b0d9271c 391 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionInterlaced, 0);
tobyspark 18:d765b0d9271c 392 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionFreqCoarseH, 37879);
tobyspark 18:d765b0d9271c 393 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionFreqFineH, 37879);
tobyspark 18:d765b0d9271c 394 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionActiveH, 1600);
tobyspark 18:d765b0d9271c 395 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionActiveV, 600);
tobyspark 18:d765b0d9271c 396 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionStartH, 192);
tobyspark 18:d765b0d9271c 397 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionStartV, 14);
tobyspark 18:d765b0d9271c 398 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionCLKS, 2112);
tobyspark 18:d765b0d9271c 399 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionLines, 628);
tobyspark 18:d765b0d9271c 400 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionSyncH, 160);
tobyspark 18:d765b0d9271c 401 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionSyncV, 13);
tobyspark 18:d765b0d9271c 402 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionSyncPolarity, 0);
tobyspark 11:90e5a72a0034 403
tobyspark 11:90e5a72a0034 404 return ok;
tobyspark 0:533cfae24a1b 405 }
tobyspark 0:533cfae24a1b 406
tobyspark 11:90e5a72a0034 407 bool SPKTVOne::set2048x768(int resStoreNumber)
tobyspark 2:af9e9ab63b23 408 {
tobyspark 11:90e5a72a0034 409 bool ok;
tobyspark 11:90e5a72a0034 410
tobyspark 11:90e5a72a0034 411 ok = command(0, 0, kTV1FunctionAdjustResolutionImageToAdjust, resStoreNumber);
tobyspark 18:d765b0d9271c 412
tobyspark 18:d765b0d9271c 413 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionInterlaced, 0);
tobyspark 18:d765b0d9271c 414 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionFreqCoarseH, 48363);
tobyspark 18:d765b0d9271c 415 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionFreqFineH, 48363);
tobyspark 18:d765b0d9271c 416 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionActiveH, 2048);
tobyspark 18:d765b0d9271c 417 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionActiveV, 768);
tobyspark 18:d765b0d9271c 418 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionStartH, 224);
tobyspark 18:d765b0d9271c 419 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionStartV, 11);
tobyspark 18:d765b0d9271c 420 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionCLKS, 2688);
tobyspark 18:d765b0d9271c 421 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionLines, 806);
tobyspark 18:d765b0d9271c 422 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionSyncH, 368);
tobyspark 18:d765b0d9271c 423 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionSyncV, 24);
tobyspark 18:d765b0d9271c 424 ok = ok && command(0, 0, kTV1FunctionAdjustResolutionSyncPolarity, 0);
tobyspark 11:90e5a72a0034 425
tobyspark 11:90e5a72a0034 426 return ok;
tobyspark 2:af9e9ab63b23 427 }
tobyspark 2:af9e9ab63b23 428
tobyspark 0:533cfae24a1b 429 void SPKTVOne::signErrorOff() {
tobyspark 0:533cfae24a1b 430 *errorDO = 0;
tobyspark 0:533cfae24a1b 431 }
tobyspark 14:da403a01f9ef 432
tobyspark 18:d765b0d9271c 433 SPKTVOne::processorType SPKTVOne::getProcessorType()
tobyspark 18:d765b0d9271c 434 {
tobyspark 18:d765b0d9271c 435 bool ok;
tobyspark 18:d765b0d9271c 436 int32_t payload = 0;
tobyspark 18:d765b0d9271c 437
tobyspark 18:d765b0d9271c 438 if (processor.version == -1)
tobyspark 18:d765b0d9271c 439 {
tobyspark 18:d765b0d9271c 440 ok = readCommand(0, kTV1WindowIDA, kTV1FunctionReadSoftwareVersion, payload);
tobyspark 18:d765b0d9271c 441 if (ok && payload > 0) processor.version = payload;
tobyspark 18:d765b0d9271c 442 }
tobyspark 18:d765b0d9271c 443
tobyspark 18:d765b0d9271c 444 if (processor.productType == -1)
tobyspark 18:d765b0d9271c 445 {
tobyspark 18:d765b0d9271c 446 ok = readCommand(0, kTV1WindowIDA, kTV1FunctionReadProductType, payload);
tobyspark 18:d765b0d9271c 447 if (ok && payload > 0) processor.productType = payload;
tobyspark 18:d765b0d9271c 448 }
tobyspark 18:d765b0d9271c 449
tobyspark 18:d765b0d9271c 450 if (processor.boardType == -1)
tobyspark 18:d765b0d9271c 451 {
tobyspark 18:d765b0d9271c 452 ok = readCommand(0, kTV1WindowIDA, kTV1FunctionReadBoardType, payload);
tobyspark 18:d765b0d9271c 453 if (ok && payload > 0) processor.boardType = payload;
tobyspark 18:d765b0d9271c 454 }
tobyspark 18:d765b0d9271c 455
tobyspark 18:d765b0d9271c 456 if (debug) debug->printf("v: %i, p: %i, b: %i", processor.version, processor.productType, processor.boardType);
tobyspark 18:d765b0d9271c 457
tobyspark 18:d765b0d9271c 458 return processor;
tobyspark 18:d765b0d9271c 459 }
tobyspark 18:d765b0d9271c 460
tobyspark 17:68b9bb89da2b 461 void SPKTVOne::timerCheck() {
tobyspark 17:68b9bb89da2b 462 // 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 463 // this method is called once a minute, and resets the timer if we've been idle for 25mins.
tobyspark 18:d765b0d9271c 464 if (timer.read_ms() > 1000*60*25)
tobyspark 17:68b9bb89da2b 465 {
tobyspark 17:68b9bb89da2b 466 if (debug) debug->printf("TVOne Timer reset at %ims", timer.read_ms());
tobyspark 17:68b9bb89da2b 467 timer.reset();
tobyspark 17:68b9bb89da2b 468 }
tobyspark 17:68b9bb89da2b 469 }
tobyspark 17:68b9bb89da2b 470
tobyspark 16:ed8d08386034 471 bool SPKTVOne::uploadEDID(FILE *file, int edidSlotIndex)
tobyspark 14:da403a01f9ef 472 {
tobyspark 16:ed8d08386034 473 bool success;
tobyspark 14:da403a01f9ef 474
tobyspark 14:da403a01f9ef 475 // To write EDID, its broken into chunks and sent as a series of extra-long commands
tobyspark 14:da403a01f9ef 476 // Command: 8 bytes of command (see code below) + 32 bytes of EDID payload + End byte
tobyspark 14:da403a01f9ef 477 // Acknowledgement: 53 02 40 95 (Hex)
tobyspark 16:ed8d08386034 478 // We want to upload full EDID slot, ie. zero out to 256 even if edidData is only 128bytes.
tobyspark 14:da403a01f9ef 479
tobyspark 16:ed8d08386034 480 if (debug) debug->printf("Upload EDID to index %i \r\n", edidSlotIndex);
tobyspark 16:ed8d08386034 481
tobyspark 16:ed8d08386034 482 success = uploadFile(0x07, file, 256, edidSlotIndex);
tobyspark 16:ed8d08386034 483
tobyspark 16:ed8d08386034 484 return success;
tobyspark 16:ed8d08386034 485 }
tobyspark 16:ed8d08386034 486
tobyspark 16:ed8d08386034 487 bool SPKTVOne::uploadImage(FILE *file, int sisIndex)
tobyspark 16:ed8d08386034 488 {
tobyspark 16:ed8d08386034 489 bool success;
tobyspark 16:ed8d08386034 490
tobyspark 16:ed8d08386034 491 int imageDataLength = 0;
tobyspark 16:ed8d08386034 492
tobyspark 16:ed8d08386034 493 while (fgetc(file) != EOF) imageDataLength++ ;
tobyspark 16:ed8d08386034 494
tobyspark 16:ed8d08386034 495 if (debug) debug->printf("Upload Image with length %i to index %i \r\n", imageDataLength, sisIndex);
tobyspark 16:ed8d08386034 496
tobyspark 16:ed8d08386034 497 success = uploadFile(0x00, file, imageDataLength, sisIndex);
tobyspark 16:ed8d08386034 498
tobyspark 16:ed8d08386034 499 return success;
tobyspark 16:ed8d08386034 500 }
tobyspark 16:ed8d08386034 501
tobyspark 16:ed8d08386034 502 bool SPKTVOne::uploadFile(char instruction, FILE* file, int dataLength, int index)
tobyspark 16:ed8d08386034 503 {
tobyspark 16:ed8d08386034 504 // TASK: Upload Data
tobyspark 16:ed8d08386034 505
tobyspark 18:d765b0d9271c 506 // Lets be conservative with timings
tobyspark 18:d765b0d9271c 507 setCommandMinimumPeriod(100);
tobyspark 18:d765b0d9271c 508 setCommandTimeoutPeriod(300);
tobyspark 18:d765b0d9271c 509
tobyspark 16:ed8d08386034 510 // This command is reverse engineered. It implements an 'S' command, not the documented 'F'.
tobyspark 14:da403a01f9ef 511
tobyspark 14:da403a01f9ef 512 bool success = false;
tobyspark 14:da403a01f9ef 513
tobyspark 16:ed8d08386034 514 int dataChunkSize = 32;
tobyspark 14:da403a01f9ef 515 int ackLength = 4;
tobyspark 14:da403a01f9ef 516 char goodAck[] = {0x53, 0x02, 0x40, 0x95};
tobyspark 14:da403a01f9ef 517
tobyspark 16:ed8d08386034 518 fseek(file, 0, SEEK_SET);
tobyspark 16:ed8d08386034 519
tobyspark 16:ed8d08386034 520 for (int i=0; i<dataLength; i=i+dataChunkSize)
tobyspark 14:da403a01f9ef 521 {
tobyspark 16:ed8d08386034 522 int dataRemaining = dataLength - i;
tobyspark 18:d765b0d9271c 523 int actualDataChunkSize = (dataRemaining < dataChunkSize) ? dataRemaining : dataChunkSize;
tobyspark 16:ed8d08386034 524
tobyspark 16:ed8d08386034 525 int commandLength = 8+dataChunkSize+1;
tobyspark 14:da403a01f9ef 526 char command[commandLength];
tobyspark 14:da403a01f9ef 527
tobyspark 14:da403a01f9ef 528 command[0] = 0x53;
tobyspark 18:d765b0d9271c 529 command[1] = 6 + actualDataChunkSize + 1; // Subsequent number of bytes in command
tobyspark 14:da403a01f9ef 530 command[2] = 0x22;
tobyspark 16:ed8d08386034 531 command[3] = instruction;
tobyspark 16:ed8d08386034 532 command[4] = index;
tobyspark 14:da403a01f9ef 533 command[5] = 0;
tobyspark 16:ed8d08386034 534 command[6] = (i / dataChunkSize) & 0xFF; // chunk index LSB
tobyspark 16:ed8d08386034 535 command[7] = ((i / dataChunkSize) >> 8) & 0xFF; // chunk index MSB
tobyspark 14:da403a01f9ef 536
tobyspark 18:d765b0d9271c 537 for (int j=0; j<actualDataChunkSize; j++)
tobyspark 14:da403a01f9ef 538 {
tobyspark 16:ed8d08386034 539 char data = fgetc(file);
tobyspark 16:ed8d08386034 540 if (!feof(file))
tobyspark 16:ed8d08386034 541 *(command+8+j) = data;
tobyspark 14:da403a01f9ef 542 else
tobyspark 14:da403a01f9ef 543 *(command+8+j) = 0;
tobyspark 14:da403a01f9ef 544 }
tobyspark 14:da403a01f9ef 545
tobyspark 18:d765b0d9271c 546 command[8+actualDataChunkSize] = 0x3F;
tobyspark 14:da403a01f9ef 547
tobyspark 14:da403a01f9ef 548 if (debug)
tobyspark 14:da403a01f9ef 549 {
tobyspark 16:ed8d08386034 550 debug->printf("Command: ");
tobyspark 14:da403a01f9ef 551 for (int k=0; k < commandLength; k++) debug->printf(" %x", command[k]);
tobyspark 14:da403a01f9ef 552 debug->printf("\r\n");
tobyspark 14:da403a01f9ef 553 }
tobyspark 14:da403a01f9ef 554
tobyspark 18:d765b0d9271c 555 while (serial->readable() || timer.read_ms() < commandMinimumPeriod)
tobyspark 14:da403a01f9ef 556 {
tobyspark 14:da403a01f9ef 557 if (serial->readable()) serial->getc();
tobyspark 14:da403a01f9ef 558 }
tobyspark 14:da403a01f9ef 559
tobyspark 14:da403a01f9ef 560 for (int k=0; k < commandLength; k++) serial->putc(command[k]);
tobyspark 14:da403a01f9ef 561
tobyspark 14:da403a01f9ef 562 timer.reset();
tobyspark 14:da403a01f9ef 563
tobyspark 14:da403a01f9ef 564 char ackBuffer[4];
tobyspark 14:da403a01f9ef 565 int ackPos = 0;
tobyspark 18:d765b0d9271c 566 while (timer.read_ms() < commandTimeoutPeriod)
tobyspark 14:da403a01f9ef 567 {
tobyspark 14:da403a01f9ef 568 if (serial->readable()) ackBuffer[ackPos++] = serial->getc();
tobyspark 14:da403a01f9ef 569 if (ackPos == 4) break;
tobyspark 14:da403a01f9ef 570 }
tobyspark 16:ed8d08386034 571
tobyspark 14:da403a01f9ef 572 if (memcmp(ackBuffer, goodAck, ackLength) == 0)
tobyspark 14:da403a01f9ef 573 {
tobyspark 14:da403a01f9ef 574 success = true;
tobyspark 14:da403a01f9ef 575 }
tobyspark 14:da403a01f9ef 576 else
tobyspark 14:da403a01f9ef 577 {
tobyspark 14:da403a01f9ef 578 success = false;
tobyspark 14:da403a01f9ef 579 if (debug)
tobyspark 14:da403a01f9ef 580 {
tobyspark 18:d765b0d9271c 581 debug->printf("Data Part write failed. Ack:");
tobyspark 14:da403a01f9ef 582 for (int k = 0; k < ackLength; k++) debug->printf(" %x", ackBuffer[k]);
tobyspark 14:da403a01f9ef 583 debug->printf("\r\n");
tobyspark 14:da403a01f9ef 584 }
tobyspark 14:da403a01f9ef 585 break;
tobyspark 14:da403a01f9ef 586 }
tobyspark 14:da403a01f9ef 587 }
tobyspark 14:da403a01f9ef 588
tobyspark 18:d765b0d9271c 589 resetCommandPeriods();
tobyspark 18:d765b0d9271c 590
tobyspark 14:da403a01f9ef 591 return success;
tobyspark 14:da403a01f9ef 592 }