📄 nf.lst
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1017 1 {
1018 2 nf_busy = FALSE;
1019 2 /* If previous block have to de deleted */
1020 2 if (nf_block_used)
1021 2 {
1022 3 nf_block_erase((Uint32)(nf_block_to_be_deleted) << 5);
1023 3 }
1024 2 /* increase the main buffer index */
1025 2 nf_gl_buf_idx++;
1026 2 /* if zone change */
1027 2 if (nf_gl_buf_idx >= nf_block_max)
1028 2 {
1029 3 nf_write_open(gl_ptr_mem);
1030 3 }
1031 2 else
1032 2 {
1033 3 /* if the block in the buffer is already assign, then invert it with a spare block */
1034 3 if (!(nf_buf[nf_gl_buf_idx].w & 0x8000))
1035 3 {
1036 4 if ((nf_buf_free[gl_buf_free_idx] & 0x7FFF) == nf_lut_block[nf_zone])
1037 4 {
1038 5 gl_buf_free_idx++;
1039 5 if (gl_buf_free_idx >= nf_spare_block)
1040 5 {
1041 6 gl_buf_free_idx = 0;
1042 6 }
1043 5 }
1044 4 /* invert the block and assign the next block to be deleted */
C51 COMPILER V7.02a NF 09/13/2007 11:53:06 PAGE 18
1045 4 nf_block_to_be_deleted = nf_buf[nf_gl_buf_idx].w;
1046 4 nf_buf[nf_gl_buf_idx].w = nf_buf_free[gl_buf_free_idx] & 0x7FFF;
1047 4 nf_buf_free[gl_buf_free_idx] = nf_block_to_be_deleted | 0x8000;
1048 4 /* block have to be deleted */
1049 4 nf_block_used = TRUE;
1050 4 /* increase the spare buffer index */
1051 4 if ((gl_buf_free_idx++) >= nf_spare_block)
1052 4 {
1053 5 gl_buf_free_idx = 0;
1054 5 }
1055 4
1056 4 }
1057 3 else /* The block is not assigned. Nothing to do */
1058 3 {
1059 4 nf_buf[nf_gl_buf_idx].w &= 0x7FFF;
1060 4 nf_block_used = FALSE;
1061 4 }
1062 3 /* update the max index buffer */
1063 3 if (nf_gl_buf_idx > nf_gl_buf_idx_max)
1064 3 nf_gl_buf_idx_max = nf_gl_buf_idx;
1065 3
1066 3 /* Update current physical sector */
1067 3 nf_current_physical_sector_addr = (Uint32)(nf_buf[nf_gl_buf_idx].w) << 5;
1068 3 /* increase the logical block */
1069 3 nf_logical_block++;
1070 3 /* calculate the redundant block address */
1071 3 nf_calc_logical_block();
1072 3 }
1073 2 }
1074 1
1075 1 Nf_CS_ON();
1076 1 if (!gl_cpt_page)
1077 1 {
1078 2 Nf_wait_busy();
1079 2 Nf_write_open_A_area(nf_current_physical_sector_addr, 0x00);
1080 2 }
1081 1 Nf_wr_byte(b);
1082 1 /* Increase internal page counter */
1083 1 gl_cpt_page++;
1084 1 if (((Byte*)&gl_cpt_page)[0] == NF_DATA_SIZE_H) /* check if end of data page */
1085 1 {
1086 2 nf_update_spare_data();
1087 2 Nf_send_command(NF_PAGE_PROGRAM_CMD);
1088 2 ((Byte*)&gl_cpt_page)[0] = 0;
1089 2 gl_ptr_mem++;
1090 2 if (!(((Byte*)&gl_ptr_mem)[3] & NF_BLOCK_MASK))
1091 2 {
1092 3 nf_busy = TRUE;
1093 3 }
1094 2 else
1095 2 {
1096 3 ((Byte*)&nf_current_physical_sector_addr)[3]++;
1097 3 }
1098 2 }
1099 1
1100 1 return OK;
1101 1 }
1102
1103
1104 /*F**************************************************************************
1105 * NAME: nf_write_sector
1106 *----------------------------------------------------------------------------
C51 COMPILER V7.02a NF 09/13/2007 11:53:06 PAGE 19
1107 * PARAMS:
1108 * global: gl_ptr_mem
1109 *
1110 * return:
1111 * write status: OK: write done
1112 * KO: write not done
1113 *----------------------------------------------------------------------------
1114 * PURPOSE:
1115 * This function is an optimized function that writes nb-sector * 512 bytes
1116 * from USB controller to NF card
1117 *----------------------------------------------------------------------------
1118 * EXAMPLE:
1119 *----------------------------------------------------------------------------
1120 * NOTE:
1121 * nb_sector always >= 1, can not be zero
1122 *----------------------------------------------------------------------------
1123 * REQUIREMENTS:
1124 *****************************************************************************/
1125 bit nf_write_sector (Uint16 nb_sector)
1126 {
1127 1 Byte j;
1128 1
1129 1 do
1130 1 {
1131 2 if (nf_busy)
1132 2 {
1133 3 nf_busy = FALSE;
1134 3 /* If previous block have to de deleted */
1135 3 if (nf_block_used)
1136 3 {
1137 4 nf_block_erase((Uint32)(nf_block_to_be_deleted) << 5);
1138 4 }
1139 3 /* increase the main buffer index */
1140 3 nf_gl_buf_idx++;
1141 3 /* if zone change */
1142 3 if (nf_gl_buf_idx >= nf_block_max)
1143 3 {
1144 4 nf_write_open(gl_ptr_mem);
1145 4 }
1146 3 else
1147 3 {
1148 4 /* if the block in the buffer is already assign, then invert it with a spare block */
1149 4 if (!(nf_buf[nf_gl_buf_idx].w & 0x8000))
1150 4 {
1151 5 if ((nf_buf_free[gl_buf_free_idx] & 0x7FFF) == nf_lut_block[nf_zone])
1152 5 {
1153 6 gl_buf_free_idx++;
1154 6 if (gl_buf_free_idx >= nf_spare_block)
1155 6 {
1156 7 gl_buf_free_idx = 0;
1157 7 }
1158 6 }
1159 5 /* invert the block and assign the next block to be deleted */
1160 5 nf_block_to_be_deleted = nf_buf[nf_gl_buf_idx].w;
1161 5 nf_buf[nf_gl_buf_idx].w = nf_buf_free[gl_buf_free_idx] & 0x7FFF;
1162 5 nf_buf_free[gl_buf_free_idx] = nf_block_to_be_deleted | 0x8000;
1163 5 /* block have to be deleted */
1164 5 nf_block_used = TRUE;
1165 5 /* increase the spare buffer index */
1166 5 if ((gl_buf_free_idx++) >= nf_spare_block)
1167 5 {
1168 6 gl_buf_free_idx = 0;
C51 COMPILER V7.02a NF 09/13/2007 11:53:06 PAGE 20
1169 6 }
1170 5 }
1171 4 else /* The block is not assigned. Nothing to do */
1172 4 {
1173 5 nf_buf[nf_gl_buf_idx].w &= 0x7FFF;
1174 5 nf_block_used = FALSE;
1175 5 }
1176 4 /* update the max index buffer */
1177 4 if (nf_gl_buf_idx > nf_gl_buf_idx_max)
1178 4 nf_gl_buf_idx_max = nf_gl_buf_idx;
1179 4
1180 4 /* Update current physical sector */
1181 4 nf_current_physical_sector_addr = (Uint32)(nf_buf[nf_gl_buf_idx].w) << 5;
1182 4 /* increase the logical block */
1183 4 nf_logical_block++;
1184 4 /* calculate the redundant block address */
1185 4 nf_calc_logical_block();
1186 4 }
1187 3 }
1188 2
1189 2 Nf_CS_ON();
1190 2
1191 2 Nf_wait_busy();
1192 2 Nf_write_open_A_area(nf_current_physical_sector_addr, 0x00);
1193 2
1194 2 for (j = 8; j != 0; j--)
1195 2 {
1196 3 while (!Usb_rx_complete()); /* wait end of reception */
1197 3 Nf_wr_byte(Usb_read_byte()); /* write 64 bytes to card */
1198 3 Nf_wr_byte(Usb_read_byte());
1199 3 Nf_wr_byte(Usb_read_byte());
1200 3 Nf_wr_byte(Usb_read_byte());
1201 3 Nf_wr_byte(Usb_read_byte());
1202 3 Nf_wr_byte(Usb_read_byte());
1203 3 Nf_wr_byte(Usb_read_byte());
1204 3 Nf_wr_byte(Usb_read_byte());
1205 3 Nf_wr_byte(Usb_read_byte());
1206 3 Nf_wr_byte(Usb_read_byte());
1207 3 Nf_wr_byte(Usb_read_byte());
1208 3 Nf_wr_byte(Usb_read_byte());
1209 3 Nf_wr_byte(Usb_read_byte());
1210 3 Nf_wr_byte(Usb_read_byte());
1211 3 Nf_wr_byte(Usb_read_byte());
1212 3 Nf_wr_byte(Usb_read_byte());
1213 3 Nf_wr_byte(Usb_read_byte());
1214 3 Nf_wr_byte(Usb_read_byte());
1215 3 Nf_wr_byte(Usb_read_byte());
1216 3 Nf_wr_byte(Usb_read_byte());
1217 3 Nf_wr_byte(Usb_read_byte());
1218 3 Nf_wr_byte(Usb_read_byte());
1219 3 Nf_wr_byte(Usb_read_byte());
1220 3 Nf_wr_byte(Usb_read_byte());
1221 3 Nf_wr_byte(Usb_read_byte());
1222 3 Nf_wr_byte(Usb_read_byte());
1223 3 Nf_wr_byte(Usb_read_byte());
1224 3 Nf_wr_byte(Usb_read_byte());
1225 3 Nf_wr_byte(Usb_read_byte());
1226 3 Nf_wr_byte(Usb_read_byte());
1227 3 Nf_wr_byte(Usb_read_byte());
1228 3 Nf_wr_byte(Usb_read_byte());
1229 3 Nf_wr_byte(Usb_read_byte());
1230 3 Nf_wr_byte(Usb_read_byte());
C51 COMPILER V7.02a NF 09/13/2007 11:53:06 PAGE 21
1231 3 Nf_wr_byte(Usb_read_byte());
1232 3 Nf_wr_byte(Usb_read_byte());
1233 3 Nf_wr_byte(Usb_read_byte());
1234 3 Nf_wr_byte(Usb_read_byte());
1235 3 Nf_wr_byte(Usb_read_byte());
1236 3 Nf_wr_byte(Usb_read_byte());
1237 3 Nf_wr_byte(Usb_read_byte());
1238 3 Nf_wr_byte(Usb_read_byte());
1239 3 Nf_wr_byte(Usb_read_byte());
1240 3 Nf_wr_byte(Usb_read_byte());
1241 3 Nf_wr_byte(Usb_read_byte());
1242 3 Nf_wr_byte(Usb_read_byte());
1243 3 Nf_wr_byte(Usb_read_byte());
1244 3 Nf_wr_byte(Usb_read_byte());
1245 3 Nf_wr_byte(Usb_read_byte());
1246 3 Nf_wr_byte(Usb_read_byte());
1247 3 Nf_wr_byte(Usb_read_byte());
1248 3 Nf_wr_byte(Usb_read_byte());
1249 3 Nf_wr_byte(Usb_read_byte());
1250 3 Nf_wr_byte(Usb_read_byte());
1251 3 Nf_wr_byte(Usb_read_byte());
1252 3 Nf_wr_byte(Usb_read_byte());
1253 3 Nf_wr_byte(Usb_read_byte());
1254 3 Nf_wr_byte(Usb_read_byte());
1255 3 Nf_wr_byte(Usb_read_byte());
1256 3 Nf_wr_byte(Usb_read_byte());
1257 3 Nf_wr_byte(Usb_read_byte());
1258 3 Nf_wr_byte(Usb_read_byte());
1259 3 Nf_wr_byte(Usb_read_byte());
1260 3 Nf_wr_byte(Usb_read_byte());
1261 3 Usb_clear_RXOUT_PP(); /* usb read acknowledgement */
1262 3 }
1263 2
1264 2 /* Update spare data */
1265 2 Nf_wr_byte(0xFF);
1266 2 Nf_wr_byte(0xFF);
1267 2 Nf_wr_byte(0xFF);
1268 2 Nf_wr_byte(0xFF);
1269 2 Nf_wr_byte(0xFF);
1270 2 Nf_wr_byte(0xFF);
1271 2 Nf_wr_byte(((Byte*)&nf_redundant_logical_block_value)[0]⌨️ 快捷键说明
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