[544] | 1 | // Copyright (c) 2006 Rice University |
---|
| 2 | // All Rights Reserved |
---|
| 3 | // This code is covered by the Rice-WARP license |
---|
| 4 | // See http://warp.rice.edu/license/ for details |
---|
| 5 | |
---|
[684] | 6 | /** |
---|
| 7 | * \file radio_controller_5ghz.c |
---|
| 8 | * \brief Contains the functions that utilize the 5GHz band functionality. |
---|
| 9 | * |
---|
| 10 | * @version 1.09 |
---|
| 11 | * @author Siddharth Gupta |
---|
| 12 | * |
---|
| 13 | * This file has the functions that play a role in the 5GHz functionality of the radio boards |
---|
| 14 | * including center frequency and amplifiers. |
---|
| 15 | */ |
---|
| 16 | |
---|
[544] | 17 | /***************************** Include Files *******************************/ |
---|
| 18 | |
---|
[547] | 19 | #include "radio_controller_5ghz.h" |
---|
[544] | 20 | |
---|
| 21 | /****************************** Functions **********************************/ |
---|
| 22 | |
---|
[684] | 23 | /** |
---|
| 24 | * @brief Enable the 5GHz power amplifier. |
---|
| 25 | * |
---|
| 26 | * Enable the 5GHz amplifier for the boards specified. The amplifier turns on during the |
---|
| 27 | * transmit state machine's execution. |
---|
| 28 | * |
---|
| 29 | * @param radios Radio boards affected. |
---|
| 30 | */ |
---|
[601] | 31 | void WarpRadio_v1_5AmpEnable(unsigned int radios) { |
---|
[544] | 32 | |
---|
[641] | 33 | RADIO_CONTROLLER_mWriteSlaveReg1((volatile)radio_controller_baseaddr, (RADIO_CONTROLLER_mReadSlaveReg1((volatile)radio_controller_baseaddr) | (radios & RAD_5PA_MASK))); // Enable 5GHz amp |
---|
[544] | 34 | } |
---|
| 35 | |
---|
[684] | 36 | /** |
---|
| 37 | * @brief Disable the 5GHz power amplifier. |
---|
| 38 | * |
---|
| 39 | * Disable the 5GHz amplifier for the boards specified. Unless an amplifier is enabled, none |
---|
| 40 | * will turn on during transmit. |
---|
| 41 | * |
---|
| 42 | * @param radios Radio boards affected. |
---|
| 43 | */ |
---|
[601] | 44 | void WarpRadio_v1_5AmpDisable(unsigned int radios) { |
---|
[544] | 45 | |
---|
[641] | 46 | RADIO_CONTROLLER_mWriteSlaveReg1((volatile)radio_controller_baseaddr, (RADIO_CONTROLLER_mReadSlaveReg1((volatile)radio_controller_baseaddr) & ~(radios & RAD_5PA_MASK))); // Disable 5GHz amp |
---|
[544] | 47 | } |
---|
| 48 | |
---|
[684] | 49 | /** |
---|
| 50 | * @brief Tune the radio to a frequency in the 5GHz band. |
---|
| 51 | * |
---|
| 52 | * Function used to shift the center frequency on the radio within the 5GHz band. Also enables the |
---|
| 53 | * 5GHz amplifier for the transmit state machine. |
---|
| 54 | * -# 5180MHz |
---|
| 55 | * -# 5200MHz |
---|
| 56 | * -# 5220MHz |
---|
| 57 | * -# 5240MHz |
---|
| 58 | * -# 5260MHz |
---|
| 59 | * -# 5280MHz |
---|
| 60 | * -# 5300MHz |
---|
| 61 | * -# 5320MHz |
---|
| 62 | * -# 5500MHz |
---|
| 63 | * -# 5520MHz |
---|
| 64 | * -# 5540MHz |
---|
| 65 | * -# 5560MHz |
---|
| 66 | * -# 5580MHz |
---|
| 67 | * -# 5600MHz |
---|
| 68 | * -# 5620MHz |
---|
| 69 | * -# 5640MHz |
---|
| 70 | * -# 5660MHz |
---|
| 71 | * -# 5680MHz |
---|
| 72 | * -# 5700MHz |
---|
| 73 | * -# 5745MHz |
---|
| 74 | * -# 5765MHz |
---|
| 75 | * -# 5785MHz |
---|
| 76 | * -# 5805MHz |
---|
| 77 | * |
---|
| 78 | * @param freqset The frequency channel to use, selected from above list |
---|
| 79 | * @param radios Defines which radios are affected by this function call. |
---|
| 80 | * @return Returns INVALID_FREQ if given frequency set is not valid. |
---|
| 81 | */ |
---|
[601] | 82 | int WarpRadio_v1_SetCenterFreq5GHz(char freqset, unsigned int radios) { |
---|
[544] | 83 | |
---|
[641] | 84 | RADIO_CONTROLLER_mWriteSlaveReg7((volatile)radio_controller_baseaddr, (SLAVEMASK & radios)); // Select Radios affected by this function |
---|
[544] | 85 | |
---|
| 86 | unsigned int reg3; |
---|
| 87 | unsigned int reg4; |
---|
| 88 | unsigned int reg5; |
---|
| 89 | int band5; // Defines whether the frequency is in the upper 5GHz band or in the lower 5GHz band. |
---|
| 90 | int retval; // Return value from the function |
---|
| 91 | unsigned int mask5gl1 = 0x0001; |
---|
| 92 | unsigned int mask5gl2 = 0xFFBF; |
---|
| 93 | unsigned int mask5gh = 0x0041; |
---|
| 94 | |
---|
| 95 | switch(freqset) { // Switch on the frequency set given as input. |
---|
| 96 | case(1) : { |
---|
| 97 | reg3 = 0x30CF3; // Set a value of 0x30CF for Register 3 |
---|
| 98 | reg4 = 0x0CCC4; // Set a value of 0x3333 for Register 4 |
---|
| 99 | retval = 5180; // Set the return value to the frequency that has been set. |
---|
| 100 | band5 = 1; // Set the band5 value that it is in the lower 5GHz band. |
---|
| 101 | break; |
---|
| 102 | } |
---|
| 103 | case(2) : { |
---|
| 104 | reg3 = 0x00D03; |
---|
| 105 | reg4 = 0x00004; |
---|
| 106 | retval = 5200; |
---|
| 107 | band5 = 1; |
---|
| 108 | break; |
---|
| 109 | } |
---|
| 110 | case(3) : { |
---|
| 111 | reg3 = 0x00D03; |
---|
| 112 | reg4 = 0x33334; |
---|
| 113 | retval = 5220; |
---|
| 114 | band5 = 1; |
---|
| 115 | break; |
---|
| 116 | } |
---|
| 117 | case(4) : { |
---|
| 118 | reg3 = 0x10D13; |
---|
| 119 | reg4 = 0x26664; |
---|
| 120 | retval = 5240; |
---|
| 121 | band5 = 1; |
---|
| 122 | break; |
---|
| 123 | } |
---|
| 124 | case(5) : { |
---|
| 125 | reg3 = 0x20D23; |
---|
| 126 | reg4 = 0x19994; |
---|
| 127 | retval = 5260; |
---|
| 128 | band5 = 1; |
---|
| 129 | break; |
---|
| 130 | } |
---|
| 131 | case(6) : { |
---|
| 132 | reg3 = 0x30D33; |
---|
| 133 | reg4 = 0x0CCC4; |
---|
| 134 | retval = 5280; |
---|
| 135 | band5 = 1; |
---|
| 136 | break; |
---|
| 137 | } |
---|
| 138 | case(7) : { |
---|
| 139 | reg3 = 0x00D43; |
---|
| 140 | reg4 = 0x00004; |
---|
| 141 | retval = 5300; |
---|
| 142 | band5 = 1; |
---|
| 143 | break; |
---|
| 144 | } |
---|
| 145 | case(8) : { |
---|
| 146 | reg3 = 0x00D43; |
---|
| 147 | reg4 = 0x33334; |
---|
| 148 | retval = 5320; |
---|
| 149 | band5 = 1; |
---|
| 150 | break; |
---|
| 151 | } |
---|
| 152 | case(9) : { |
---|
| 153 | reg3 = 0x00DC3; |
---|
| 154 | reg4 = 0x00004; |
---|
| 155 | retval = 5500; |
---|
| 156 | band5 = 2; |
---|
| 157 | break; |
---|
| 158 | } |
---|
| 159 | case(10) : { |
---|
| 160 | reg3 = 0x00DC3; |
---|
| 161 | reg4 = 0x33334; |
---|
| 162 | retval = 5520; |
---|
| 163 | band5 = 2; |
---|
| 164 | break; |
---|
| 165 | } |
---|
| 166 | case(11) : { |
---|
| 167 | reg3 = 0x10DD3; |
---|
| 168 | reg4 = 0x26664; |
---|
| 169 | retval = 5540; |
---|
| 170 | band5 = 2; |
---|
| 171 | break; |
---|
| 172 | } |
---|
| 173 | case(12) : { |
---|
| 174 | reg3 = 0x20DE3; |
---|
| 175 | reg4 = 0x19994; |
---|
| 176 | retval = 5560; |
---|
| 177 | band5 = 2; |
---|
| 178 | break; |
---|
| 179 | } |
---|
| 180 | case(13) : { |
---|
| 181 | reg3 = 0x30DF3; |
---|
| 182 | reg4 = 0x0CCC4; |
---|
| 183 | retval = 5580; |
---|
| 184 | band5 = 2; |
---|
| 185 | break; |
---|
| 186 | } |
---|
| 187 | case(14) : { |
---|
| 188 | reg3 = 0x00E03; |
---|
| 189 | reg4 = 0x00004; |
---|
| 190 | retval = 5600; |
---|
| 191 | band5 = 2; |
---|
| 192 | break; |
---|
| 193 | } |
---|
| 194 | case(15) : { |
---|
| 195 | reg3 = 0x00E03; |
---|
| 196 | reg4 = 0x33334; |
---|
| 197 | retval = 5620; |
---|
| 198 | band5 = 2; |
---|
| 199 | break; |
---|
| 200 | } |
---|
| 201 | case(16) : { |
---|
| 202 | reg3 = 0x10E13; |
---|
| 203 | reg4 = 0x26664; |
---|
| 204 | retval = 5640; |
---|
| 205 | band5 = 2; |
---|
| 206 | break; |
---|
| 207 | } |
---|
| 208 | case(17) : { |
---|
| 209 | reg3 = 0x20E23; |
---|
| 210 | reg4 = 0x19994; |
---|
| 211 | retval = 5660; |
---|
| 212 | band5 = 2; |
---|
| 213 | break; |
---|
| 214 | } |
---|
| 215 | case(18) : { |
---|
| 216 | reg3 = 0x30E33; |
---|
| 217 | reg4 = 0x0CCC4; |
---|
| 218 | retval = 5680; |
---|
| 219 | band5 = 2; |
---|
| 220 | break; |
---|
| 221 | } |
---|
| 222 | case(19) : { |
---|
| 223 | reg3 = 0x00E43; |
---|
| 224 | reg4 = 0x00004; |
---|
| 225 | retval = 5700; |
---|
| 226 | band5 = 2; |
---|
| 227 | break; |
---|
| 228 | } |
---|
| 229 | case(20) : { |
---|
| 230 | reg3 = 0x00E53; |
---|
| 231 | reg4 = 0x33334; |
---|
| 232 | retval = 5745; |
---|
| 233 | band5 = 2; |
---|
| 234 | break; |
---|
| 235 | } |
---|
| 236 | case(21) : { |
---|
| 237 | reg3 = 0x10E63; |
---|
| 238 | reg4 = 0x26664; |
---|
| 239 | retval = 5765; |
---|
| 240 | band5 = 2; |
---|
| 241 | break; |
---|
| 242 | } |
---|
| 243 | case(22) : { |
---|
| 244 | reg3 = 0x20E73; |
---|
| 245 | reg4 = 0x19994; |
---|
| 246 | retval = 5785; |
---|
| 247 | band5 = 2; |
---|
| 248 | break; |
---|
| 249 | } |
---|
| 250 | case(23) : { |
---|
| 251 | reg3 = 0x30E83; |
---|
| 252 | reg4 = 0x0CCC4; |
---|
| 253 | retval = 5805; |
---|
| 254 | band5 = 2; |
---|
| 255 | break; |
---|
| 256 | } |
---|
| 257 | default : { |
---|
| 258 | retval = INVALID_FREQ; |
---|
| 259 | } |
---|
| 260 | } |
---|
| 261 | |
---|
| 262 | if(retval != -1) { // Check if an invalid freqency set has been provided and if so do not change freqency |
---|
| 263 | |
---|
| 264 | transmit(reg3); // Transmit register 3 value |
---|
| 265 | transmit(reg4); // Transmit register 4 value |
---|
| 266 | |
---|
| 267 | reg3 = reg3>>4; |
---|
| 268 | reg4 = reg4>>4; |
---|
| 269 | |
---|
| 270 | if (band5 == 1) { // Check if the freqency is in the lower 5GHz band |
---|
| 271 | if((radios & RAD1MASK) > 0) { // Check if the Slave is in use |
---|
| 272 | |
---|
| 273 | reg5 = REG_RAD1_BAND_SELECT | mask5gl1; // Set the band in register 5 to 5GHz |
---|
| 274 | reg5 = reg5 & mask5gl2; // Set the band range in the register 5 to the lower 5GHz band |
---|
| 275 | |
---|
| 276 | transRadio(0x0001, ((reg5<<4)+0x0005)); // Set the register 5 value |
---|
| 277 | transRadio(0x0001, (((reg5 | 0x0080)<<4)+0x0005)); // Start auto band switch to the new value. |
---|
| 278 | transRadio(0x0001, ((reg5<<4)+0x0005)); // Restore the value of register 5 |
---|
| 279 | |
---|
| 280 | REG_RAD1_BAND_SELECT = (short)reg5; // Store new values to the local copies |
---|
| 281 | REG_RAD1_INTEGER_DIVIDER_RATIO = (short)reg3; |
---|
| 282 | REG_RAD1_FRACTIONAL_DIVIDER_RATIO = (short)reg4; |
---|
| 283 | } |
---|
| 284 | if((radios & RAD2MASK) > 0) { // Check if the Slave is in use |
---|
| 285 | |
---|
| 286 | reg5 = REG_RAD2_BAND_SELECT | mask5gl1; // Set the band in register 5 to 5GHz |
---|
| 287 | reg5 = reg5 & mask5gl2; // Set the band range in the register 5 to the lower 5GHz band |
---|
| 288 | |
---|
| 289 | transRadio(0x0002, ((reg5<<4)+0x0005)); // Set the register 5 value |
---|
| 290 | transRadio(0x0002, (((reg5 | 0x0080)<<4)+0x0005)); // Start auto band switch to the new value. |
---|
| 291 | transRadio(0x0002, ((reg5<<4)+0x0005)); // Restore the value of register 5 |
---|
| 292 | |
---|
| 293 | REG_RAD2_BAND_SELECT = (short)reg5; // Store new values to the local copies |
---|
| 294 | REG_RAD2_INTEGER_DIVIDER_RATIO = (short)reg3; |
---|
| 295 | REG_RAD2_FRACTIONAL_DIVIDER_RATIO = (short)reg4; |
---|
| 296 | } |
---|
| 297 | if((radios & RAD3MASK) > 0) { // Check if the Slave is in use |
---|
| 298 | |
---|
| 299 | reg5 = REG_RAD3_BAND_SELECT | mask5gl1; // Set the band in register 5 to 5GHz |
---|
| 300 | reg5 = reg5 & mask5gl2; // Set the band range in the register 5 to the lower 5GHz band |
---|
| 301 | |
---|
| 302 | transRadio(0x0004, ((reg5<<4)+0x0005)); // Set the register 5 value |
---|
| 303 | transRadio(0x0004, (((reg5 | 0x0080)<<4)+0x0005)); // Start auto band switch to the new value. |
---|
| 304 | transRadio(0x0004, ((reg5<<4)+0x0005)); // Restore the value of register 5 |
---|
| 305 | |
---|
| 306 | REG_RAD3_BAND_SELECT = (short)reg5; // Store new values to the local copies |
---|
| 307 | REG_RAD3_INTEGER_DIVIDER_RATIO = (short)reg3; |
---|
| 308 | REG_RAD3_FRACTIONAL_DIVIDER_RATIO = (short)reg4; |
---|
| 309 | } |
---|
| 310 | if((radios & RAD4MASK) > 0) { // Check if the Slave is in use |
---|
| 311 | |
---|
| 312 | reg5 = REG_RAD4_BAND_SELECT | mask5gl1; // Set the band in register 5 to 5GHz |
---|
| 313 | reg5 = reg5 & mask5gl2; // Set the band range in the register 5 to the lower 5GHz band |
---|
| 314 | |
---|
| 315 | transRadio(0x0008, ((reg5<<4)+0x0005)); // Set the register 5 value |
---|
| 316 | transRadio(0x0008, (((reg5 | 0x0080)<<4)+0x0005)); // Start auto band switch to the new value. |
---|
| 317 | transRadio(0x0008, ((reg5<<4)+0x0005)); // Restore the value of register 5 |
---|
| 318 | |
---|
| 319 | REG_RAD4_BAND_SELECT = (short)reg5; // Store new values to the local copies |
---|
| 320 | REG_RAD4_INTEGER_DIVIDER_RATIO = (short)reg3; |
---|
| 321 | REG_RAD4_FRACTIONAL_DIVIDER_RATIO = (short)reg4; |
---|
| 322 | } |
---|
| 323 | } |
---|
| 324 | |
---|
| 325 | if (band5 == 2) { // Check if the freqency is in the upper 5GHz band |
---|
| 326 | if((radios & RAD1MASK) > 0) { // Check if the Slave is in use |
---|
| 327 | |
---|
| 328 | reg5 = REG_RAD1_BAND_SELECT | mask5gh; // Set the band in register 5 to 5GHz and upper 5GHz band |
---|
| 329 | |
---|
| 330 | transRadio(0x0001, ((reg5<<4)+0x0005)); // Set the register 5 value |
---|
[1427] | 331 | transRadio(0x0001, (((reg5 | 0x0080)<<4)+0x0005)); // Start auto band switch to the new value. |
---|
[544] | 332 | transRadio(0x0001, ((reg5<<4)+0x0005)); // Restore the value of register 5 |
---|
| 333 | |
---|
| 334 | REG_RAD1_BAND_SELECT = (short)reg5; // Store new values to the local copies |
---|
| 335 | REG_RAD1_INTEGER_DIVIDER_RATIO = (short)reg3; |
---|
| 336 | REG_RAD1_FRACTIONAL_DIVIDER_RATIO = (short)reg4; |
---|
| 337 | } |
---|
| 338 | if((radios & RAD2MASK) > 0) { // Check if the Slave is in use |
---|
| 339 | |
---|
| 340 | reg5 = REG_RAD2_BAND_SELECT | mask5gh; // Set the band in register 5 to 5GHz and upper 5GHz band |
---|
| 341 | |
---|
| 342 | transRadio(0x0002, ((reg5<<4)+0x0005)); // Set the register 5 value |
---|
| 343 | transRadio(0x0002, (((reg5 | 0x0080)<<4)+0x0005)); // Start auto band switch to the new value. |
---|
| 344 | transRadio(0x0002, ((reg5<<4)+0x0005)); // Restore the value of register 5 |
---|
| 345 | |
---|
| 346 | REG_RAD2_BAND_SELECT = (short)reg5; // Store new values to the local copies |
---|
| 347 | REG_RAD2_INTEGER_DIVIDER_RATIO = (short)reg3; |
---|
| 348 | REG_RAD2_FRACTIONAL_DIVIDER_RATIO = (short)reg4; |
---|
| 349 | } |
---|
| 350 | if((radios & RAD3MASK) > 0) { // Check if the Slave is in use |
---|
| 351 | |
---|
| 352 | reg5 = REG_RAD3_BAND_SELECT | mask5gh; // Set the band in register 5 to 5GHz and upper 5GHz band |
---|
| 353 | |
---|
| 354 | transRadio(0x0004, ((reg5<<4)+0x0005)); // Set the register 5 value |
---|
| 355 | transRadio(0x0004, (((reg5 | 0x0080)<<4)+0x0005)); // Start auto band switch to the new value. |
---|
| 356 | transRadio(0x0004, ((reg5<<4)+0x0005)); // Restore the value of register 5 |
---|
| 357 | |
---|
| 358 | REG_RAD3_BAND_SELECT = (short)reg5; // Store new values to the local copies |
---|
| 359 | REG_RAD3_INTEGER_DIVIDER_RATIO = (short)reg3; |
---|
| 360 | REG_RAD3_FRACTIONAL_DIVIDER_RATIO = (short)reg4; |
---|
| 361 | } |
---|
| 362 | if((radios & RAD4MASK) > 0) { // Check if the Slave is in use |
---|
| 363 | |
---|
| 364 | reg5 = REG_RAD4_BAND_SELECT | mask5gh; // Set the band in register 5 to 5GHz and upper 5GHz band |
---|
| 365 | |
---|
| 366 | transRadio(0x0008, ((reg5<<4)+0x0005)); // Set the register 5 value |
---|
| 367 | transRadio(0x0008, (((reg5 | 0x0080)<<4)+0x0005)); // Start auto band switch to the new value. |
---|
| 368 | transRadio(0x0008, ((reg5<<4)+0x0005)); // Restore the value of register 5 |
---|
| 369 | |
---|
| 370 | REG_RAD4_BAND_SELECT = (short)reg5; // Store new values to the local copies |
---|
| 371 | REG_RAD4_INTEGER_DIVIDER_RATIO = (short)reg3; |
---|
| 372 | REG_RAD4_FRACTIONAL_DIVIDER_RATIO = (short)reg4; |
---|
| 373 | } |
---|
| 374 | } |
---|
| 375 | } |
---|
[647] | 376 | |
---|
| 377 | |
---|
| 378 | RADIO_CONTROLLER_mWriteSlaveReg1((volatile)radio_controller_baseaddr, (RADIO_CONTROLLER_mReadSlaveReg1((volatile)radio_controller_baseaddr) & ~(radios & RAD_24PA_MASK))); // Disable 2.4GHz amp |
---|
| 379 | |
---|
| 380 | RADIO_CONTROLLER_mWriteSlaveReg1((volatile)radio_controller_baseaddr, (RADIO_CONTROLLER_mReadSlaveReg1((volatile)radio_controller_baseaddr) | (radios & RAD_5PA_MASK))); // Enable 5GHz amp |
---|
| 381 | |
---|
[544] | 382 | return retval; // Return either the new freqency that has been set or return -1 to indicate that the frequency set given was invalid |
---|
| 383 | } |
---|
| 384 | |
---|