00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025
00026
00027
00028
00029
00030
00031
00032
00033
00034 #include "chip.h"
00035
00036
00037
00038
00039
00040
00041
00042
00043
00044
00045
00046
00047 __STATIC_INLINE uint32_t _ISI_GetCFG2_Workaround(void)
00048 {
00049 uint32_t wrongfield;
00050 wrongfield = ISI->ISI_CFG2 >> (ISI_CFG2_YCC_SWAP_Pos - 1);
00051 return (ISI->ISI_CFG2 & 0x07FFFFFF) | (wrongfield << ISI_CFG2_YCC_SWAP_Pos);
00052 }
00053
00054
00055
00056
00057
00058
00059
00060
00061 void ISI_Enable(void)
00062 {
00063 ISI->ISI_CR |= ISI_CR_ISI_EN;
00064
00065 while ((ISI->ISI_SR & ISI_CR_ISI_EN) != ISI_CR_ISI_EN);
00066 }
00067
00068
00069
00070
00071
00072 void ISI_DmaChannelEnable(uint32_t channel)
00073 {
00074 ISI->ISI_DMA_CHER |= channel;
00075 }
00076
00077
00078
00079
00080
00081 void ISI_DmaChannelDisable(uint32_t channel)
00082 {
00083 ISI->ISI_DMA_CHDR |= channel;
00084 }
00085
00086
00087
00088
00089 void ISI_Disable(void)
00090 {
00091
00092 ISI->ISI_CR |= ISI_CR_ISI_DIS;
00093
00094
00095
00096 while ((ISI->ISI_SR & ISI_SR_DIS_DONE) != ISI_SR_DIS_DONE);
00097 }
00098
00099
00100
00101
00102
00103
00104 void ISI_EnableInterrupt(uint32_t flag)
00105 {
00106 ISI->ISI_IER = flag;
00107 }
00108
00109
00110
00111
00112
00113 void ISI_DisableInterrupt(uint32_t flag)
00114 {
00115 ISI->ISI_IDR = flag;
00116 }
00117
00118
00119
00120
00121
00122 uint32_t ISI_StatusRegister(void)
00123 {
00124 return (ISI->ISI_SR);
00125 }
00126
00127
00128
00129
00130 void ISI_CodecPathFull(void)
00131 {
00132
00133
00134 ISI->ISI_CR |= ISI_CR_ISI_CDC;
00135 ISI->ISI_CFG1 |= ISI_CFG1_FULL;
00136 }
00137
00138
00139
00140
00141
00142 void ISI_SetFrameRate(uint32_t frame)
00143 {
00144 if (frame > 7) {
00145 TRACE_ERROR("rate too big\n\r");
00146 frame = 7;
00147 }
00148
00149 ISI->ISI_CFG1 |= ISI_CFG1_FRATE(frame);
00150 }
00151
00152
00153
00154
00155
00156 uint8_t ISI_BytesForOnePixel(uint8_t bmpRgb)
00157 {
00158 uint8_t nbByte_Pixel;
00159
00160 if (bmpRgb == RGB) {
00161 if ((_ISI_GetCFG2_Workaround() & ISI_CFG2_RGB_MODE) == ISI_CFG2_RGB_MODE) {
00162
00163 nbByte_Pixel = 2;
00164 } else {
00165
00166 nbByte_Pixel = 3;
00167 }
00168 } else {
00169
00170 nbByte_Pixel = 2;
00171 }
00172
00173 return nbByte_Pixel;
00174 }
00175
00176
00177
00178
00179 void ISI_Reset(void)
00180 {
00181 uint32_t timeout = 0;
00182
00183
00184
00185 ISI->ISI_CR = ISI_CR_ISI_SRST | ISI_CR_ISI_DIS;
00186
00187
00188 while ((!(ISI->ISI_SR & ISI_SR_SRST))
00189 && (timeout < 0x5000))
00190 timeout++;
00191
00192 if (timeout == 0x5000)
00193 TRACE_ERROR("ISI-Reset timeout\n\r");
00194 }
00195
00196
00197
00198
00199
00200
00201
00202 void ISI_SetBlank(uint8_t hBlank, uint8_t vBlank)
00203 {
00204 ISI->ISI_CFG1 |= ISI_CFG1_SLD(hBlank) + ISI_CFG1_SFD(vBlank);
00205 }
00206
00207
00208
00209
00210
00211
00212
00213 void ISI_SetSensorSize(uint32_t hSize, uint32_t vSize)
00214 {
00215 uint32_t val;
00216 val = _ISI_GetCFG2_Workaround();
00217 val &= (~ISI_CFG2_IM_VSIZE_Msk);
00218 val &= (~ISI_CFG2_IM_HSIZE_Msk);
00219
00220
00221
00222
00223 ISI->ISI_CFG2 &= (~ISI_CFG2_IM_VSIZE_Msk);
00224 ISI->ISI_CFG2 &= (~ISI_CFG2_IM_HSIZE_Msk);
00225 ISI->ISI_CFG2 = val | ISI_CFG2_IM_VSIZE(vSize - 1) | ISI_CFG2_IM_HSIZE(
00226 hSize - 1);
00227 }
00228
00229
00230
00231
00232
00233 void ISI_RgbPixelMapping(uint32_t wRgbPixelMapping)
00234 {
00235 ISI->ISI_CFG2 = _ISI_GetCFG2_Workaround() & (~ISI_CFG2_RGB_CFG_Msk);
00236
00237 if (wRgbPixelMapping != ISI_CFG2_RGB_CFG_DEFAULT)
00238 ISI->ISI_CFG2 = _ISI_GetCFG2_Workaround() | wRgbPixelMapping
00239 | ISI_CFG2_RGB_MODE;
00240 else
00241 ISI->ISI_CFG2 = _ISI_GetCFG2_Workaround();
00242 }
00243
00244
00245
00246
00247
00248 void ISI_RgbSwapMode(uint32_t swapMode)
00249 {
00250 ISI->ISI_CFG2 = _ISI_GetCFG2_Workaround() & (~ISI_CFG2_RGB_SWAP);
00251
00252 if (swapMode) ISI->ISI_CFG2 = _ISI_GetCFG2_Workaround() | ISI_CFG2_RGB_SWAP;
00253 }
00254
00255
00256
00257
00258
00259 void ISI_YCrCbFormat(uint32_t wYuvSwapMode)
00260 {
00261 ISI->ISI_CFG2 = _ISI_GetCFG2_Workaround() & (~ISI_CFG2_YCC_SWAP_Msk);
00262 ISI->ISI_CFG2 = _ISI_GetCFG2_Workaround() | wYuvSwapMode;
00263 }
00264
00265
00266
00267
00268
00269 void ISI_setGrayScaleMode(uint32_t wPixelFormat)
00270 {
00271 ISI->ISI_CFG2 = _ISI_GetCFG2_Workaround() | ISI_CFG2_GRAYSCALE;
00272
00273 if (wPixelFormat) ISI->ISI_CFG2 = _ISI_GetCFG2_Workaround() | ISI_CFG2_GS_MODE;
00274
00275 }
00276
00277
00278
00279
00280
00281 void ISI_setInputStream(uint32_t wStreamMode)
00282 {
00283 ISI->ISI_CFG2 = _ISI_GetCFG2_Workaround() & (~ISI_CFG2_COL_SPACE);
00284
00285 if (wStreamMode) ISI->ISI_CFG2 = _ISI_GetCFG2_Workaround() | ISI_CFG2_COL_SPACE;
00286 }
00287
00288
00289
00290
00291
00292
00293 void ISI_setPreviewSize(uint32_t hSize, uint32_t vSize)
00294 {
00295 if (hSize > 640) hSize = 640;
00296
00297 if (vSize > 480) vSize = 480;
00298
00299 ISI->ISI_PSIZE = ISI_PSIZE_PREV_VSIZE(vSize - 1) | ISI_PSIZE_PREV_HSIZE(
00300 hSize - 1);
00301 }
00302
00303
00304
00305
00306
00307 void ISI_calcScalerFactor(void)
00308 {
00309 uint32_t hLcdSize, hSensorSize;
00310 uint32_t hRatio;
00311 hLcdSize = ((ISI->ISI_PSIZE & ISI_PSIZE_PREV_HSIZE_Msk) >>
00312 ISI_PSIZE_PREV_HSIZE_Pos) + 1;
00313 hSensorSize = ((_ISI_GetCFG2_Workaround() & ISI_CFG2_IM_HSIZE_Msk)
00314 >> ISI_CFG2_IM_HSIZE_Pos) + 1;
00315 hRatio = 1600 * hSensorSize / hLcdSize;
00316 ISI->ISI_PDECF = (hRatio / 100);
00317 }
00318
00319
00320
00321
00322
00323
00324
00325 void ISI_setDmaInPreviewPath(uint32_t baseFrameBufDesc,
00326 uint32_t dmaCtrl, uint32_t frameBufferStartAddr)
00327 {
00328 ISI->ISI_DMA_P_DSCR = baseFrameBufDesc;
00329 ISI->ISI_DMA_P_CTRL = dmaCtrl;
00330 ISI->ISI_DMA_P_ADDR = frameBufferStartAddr;
00331 }
00332
00333
00334
00335
00336
00337
00338
00339 void ISI_setDmaInCodecPath(uint32_t baseFrameBufDesc,
00340 uint32_t dmaCtrl, uint32_t frameBufferStartAddr)
00341 {
00342 ISI->ISI_DMA_C_DSCR = baseFrameBufDesc;
00343 ISI->ISI_DMA_C_CTRL = dmaCtrl;
00344 ISI->ISI_DMA_C_ADDR = frameBufferStartAddr;
00345 }
00346
00347
00348
00349
00350
00351 void ISI_SetMatrix4Yuv2Rgb (ISI_Y2R *yuv2rgb)
00352 {
00353 ISI->ISI_Y2R_SET0 = ISI_Y2R_SET0_C0(yuv2rgb->C0)
00354 | ISI_Y2R_SET0_C1(yuv2rgb->C1)
00355 | ISI_Y2R_SET0_C2(yuv2rgb->C2)
00356 | ISI_Y2R_SET0_C3(yuv2rgb->C3);
00357
00358 ISI->ISI_Y2R_SET1 = ISI_Y2R_SET1_C4(yuv2rgb->C4)
00359 | ((yuv2rgb->Yoff == 1) ? ISI_Y2R_SET1_Yoff : 0)
00360 | ((yuv2rgb->Croff == 1) ? ISI_Y2R_SET1_Croff : 0)
00361 | ((yuv2rgb->Cboff == 1) ? ISI_Y2R_SET1_Cboff : 0);
00362 }
00363
00364
00365
00366
00367
00368 void ISI_SetMatrix4Rgb2Yuv (ISI_R2Y *rgb2yuv)
00369 {
00370 ISI->ISI_R2Y_SET0 = ISI_R2Y_SET0_C0(rgb2yuv->C0)
00371 | ISI_R2Y_SET0_C1(rgb2yuv->C1)
00372 | ISI_R2Y_SET0_C2(rgb2yuv->C2)
00373 | ((rgb2yuv->Roff == 1) ? ISI_R2Y_SET0_Roff : 0);
00374
00375 ISI->ISI_R2Y_SET1 = ISI_R2Y_SET1_C3(rgb2yuv->C3)
00376 | ISI_R2Y_SET1_C4(rgb2yuv->C4)
00377 | ISI_R2Y_SET1_C5(rgb2yuv->C5)
00378 | ((rgb2yuv->Goff == 1) ? ISI_R2Y_SET1_Goff : 0);
00379
00380 ISI->ISI_R2Y_SET2 = ISI_R2Y_SET2_C6(rgb2yuv->C6)
00381 | ISI_R2Y_SET2_C7(rgb2yuv->C7)
00382 | ISI_R2Y_SET2_C8(rgb2yuv->C8)
00383 | ((rgb2yuv->Boff == 1) ? ISI_R2Y_SET2_Boff : 0);
00384 }
00385