User`s manual

242 8’h0D:

243 begin

244 fwdata <= data_to_store; // Finish write

245 fop <= ‘FLASHOP_WRITE;

246 state <= state+1;

247 end

248 8’h0E:

249 begin

250 // Read status register

251 fop <= ‘FLASHOP_READ;

252 state <= state+1;

253 end

254 8’h0F:

255 if (frdata[7] == 1) // Done writing

256 if (frdata[6:1] == 0) // No errors

257 if (faddress != 23’h7FFFFF) // ‘LAST_ADDRESS)

258 begin

259 faddress <= faddress+1;

260 fop <= ‘FLASHOP_IDLE;

261 state <= HOME;

262 end

263 else

264 status <= ‘STATUS_WRITE_ERROR;

265 else // Write error detected

266 status <= ‘STATUS_WRITE_ERROR;

267 else // Still busy

268 fop <= ‘FLASHOP_READ;

269

270 //////////////////////////////////////////////////////////////////////

271 // Read Mode INIT

272 //////////////////////////////////////////////////////////////////////

273 8’h10:

274 begin

275 status <= ‘STATUS_READING;

276 fwdata <= 16’hFF; // Issue "read array" command

277 fop <= ‘FLASHOP_WRITE;

278 faddress <= 0;

279 state <= state+1;

280 end

281

282 //////////////////////////////////////////////////////////////////////

283 // Read Mode

284 //////////////////////////////////////////////////////////////////////

285 8’h11:

286 begin

287 faddress <= addrin;