📄 nf.lst
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1013 3 nf_block_erase((Uint32)(nf_block_to_be_deleted) << 5);
1014 3 }
1015 2 /* increase the main buffer index */
1016 2 nf_gl_buf_idx++;
1017 2 /* if zone change */
1018 2 if (nf_gl_buf_idx >= nf_block_max)
1019 2 {
1020 3 nf_write_open(gl_ptr_mem);
1021 3 }
1022 2 else
1023 2 {
1024 3 /* if the block in the buffer is already assign, then invert it with a spare block */
1025 3 if (!(nf_buf[nf_gl_buf_idx].w & 0x8000))
1026 3 {
1027 4 if ((nf_buf_free[gl_buf_free_idx] & 0x7FFF) == nf_lut_block[nf_zone])
1028 4 {
1029 5 gl_buf_free_idx++;
1030 5 if (gl_buf_free_idx >= nf_spare_block)
1031 5 {
1032 6 gl_buf_free_idx = 0;
1033 6 }
1034 5 }
1035 4 /* invert the block and assign the next block to be deleted */
1036 4 nf_block_to_be_deleted = nf_buf[nf_gl_buf_idx].w;
1037 4 nf_buf[nf_gl_buf_idx].w = nf_buf_free[gl_buf_free_idx] & 0x7FFF;
1038 4 nf_buf_free[gl_buf_free_idx] = nf_block_to_be_deleted | 0x8000;
1039 4 /* block have to be deleted */
1040 4 nf_block_used = TRUE;
1041 4 /* increase the spare buffer index */
1042 4 if ((gl_buf_free_idx++) >= nf_spare_block)
1043 4 {
1044 5 gl_buf_free_idx = 0;
C51 COMPILER V7.50 NF 09/20/2005 21:47:45 PAGE 18
1045 5 }
1046 4
1047 4 }
1048 3 else /* The block is not assigned. Nothing to do */
1049 3 {
1050 4 nf_buf[nf_gl_buf_idx].w &= 0x7FFF;
1051 4 nf_block_used = FALSE;
1052 4 }
1053 3 /* update the max index buffer */
1054 3 if (nf_gl_buf_idx > nf_gl_buf_idx_max)
1055 3 nf_gl_buf_idx_max = nf_gl_buf_idx;
1056 3
1057 3 /* Update current physical sector */
1058 3 nf_current_physical_sector_addr = (Uint32)(nf_buf[nf_gl_buf_idx].w) << 5;
1059 3 /* increase the logical block */
1060 3 nf_logical_block++;
1061 3 /* calculate the redundant block address */
1062 3 nf_calc_logical_block();
1063 3 }
1064 2 }
1065 1
1066 1 Nf_CS_ON();
1067 1 if (!gl_cpt_page)
1068 1 {
1069 2 Nf_wait_busy();
1070 2 Nf_write_open_A_area(nf_current_physical_sector_addr, 0x00);
1071 2 }
1072 1 Nf_wr_byte(b);
1073 1 /* Increase internal page counter */
1074 1 gl_cpt_page++;
1075 1 if (((Byte*)&gl_cpt_page)[0] == NF_DATA_SIZE_H) /* check if end of data page */
1076 1 {
1077 2 nf_update_spare_data();
1078 2 Nf_send_command(NF_PAGE_PROGRAM_CMD);
1079 2 ((Byte*)&gl_cpt_page)[0] = 0;
1080 2 gl_ptr_mem++;
1081 2 if (!(((Byte*)&gl_ptr_mem)[3] & NF_BLOCK_MASK))
1082 2 {
1083 3 nf_busy = TRUE;
1084 3 }
1085 2 else
1086 2 {
1087 3 ((Byte*)&nf_current_physical_sector_addr)[3]++;
1088 3 }
1089 2 }
1090 1
1091 1 return OK;
1092 1 }
1093
1094
1095 /*F**************************************************************************
1096 * NAME: nf_write_sector
1097 *----------------------------------------------------------------------------
1098 * PARAMS:
1099 * global: gl_ptr_mem
1100 *
1101 * return:
1102 * write status: OK: write done
1103 * KO: write not done
1104 *----------------------------------------------------------------------------
1105 * PURPOSE:
1106 * This function is an optimized function that writes nb-sector * 512 bytes
C51 COMPILER V7.50 NF 09/20/2005 21:47:45 PAGE 19
1107 * from USB controller to NF card
1108 *----------------------------------------------------------------------------
1109 * EXAMPLE:
1110 *----------------------------------------------------------------------------
1111 * NOTE:
1112 * nb_sector always >= 1, can not be zero
1113 *----------------------------------------------------------------------------
1114 * REQUIREMENTS:
1115 *****************************************************************************/
1116 bit nf_write_sector (Uint16 nb_sector)
1117 {
1118 1 Byte j;
1119 1
1120 1 do
1121 1 {
1122 2 if (nf_busy)
1123 2 {
1124 3 nf_busy = FALSE;
1125 3 /* If previous block have to de deleted */
1126 3 if (nf_block_used)
1127 3 {
1128 4 nf_block_erase((Uint32)(nf_block_to_be_deleted) << 5);
1129 4 }
1130 3 /* increase the main buffer index */
1131 3 nf_gl_buf_idx++;
1132 3 /* if zone change */
1133 3 if (nf_gl_buf_idx >= nf_block_max)
1134 3 {
1135 4 nf_write_open(gl_ptr_mem);
1136 4 }
1137 3 else
1138 3 {
1139 4 /* if the block in the buffer is already assign, then invert it with a spare block */
1140 4 if (!(nf_buf[nf_gl_buf_idx].w & 0x8000))
1141 4 {
1142 5 if ((nf_buf_free[gl_buf_free_idx] & 0x7FFF) == nf_lut_block[nf_zone])
1143 5 {
1144 6 gl_buf_free_idx++;
1145 6 if (gl_buf_free_idx >= nf_spare_block)
1146 6 {
1147 7 gl_buf_free_idx = 0;
1148 7 }
1149 6 }
1150 5 /* invert the block and assign the next block to be deleted */
1151 5 nf_block_to_be_deleted = nf_buf[nf_gl_buf_idx].w;
1152 5 nf_buf[nf_gl_buf_idx].w = nf_buf_free[gl_buf_free_idx] & 0x7FFF;
1153 5 nf_buf_free[gl_buf_free_idx] = nf_block_to_be_deleted | 0x8000;
1154 5 /* block have to be deleted */
1155 5 nf_block_used = TRUE;
1156 5 /* increase the spare buffer index */
1157 5 if ((gl_buf_free_idx++) >= nf_spare_block)
1158 5 {
1159 6 gl_buf_free_idx = 0;
1160 6 }
1161 5 }
1162 4 else /* The block is not assigned. Nothing to do */
1163 4 {
1164 5 nf_buf[nf_gl_buf_idx].w &= 0x7FFF;
1165 5 nf_block_used = FALSE;
1166 5 }
1167 4 /* update the max index buffer */
1168 4 if (nf_gl_buf_idx > nf_gl_buf_idx_max)
C51 COMPILER V7.50 NF 09/20/2005 21:47:45 PAGE 20
1169 4 nf_gl_buf_idx_max = nf_gl_buf_idx;
1170 4
1171 4 /* Update current physical sector */
1172 4 nf_current_physical_sector_addr = (Uint32)(nf_buf[nf_gl_buf_idx].w) << 5;
1173 4 /* increase the logical block */
1174 4 nf_logical_block++;
1175 4 /* calculate the redundant block address */
1176 4 nf_calc_logical_block();
1177 4 }
1178 3 }
1179 2
1180 2 Nf_CS_ON();
1181 2
1182 2 Nf_wait_busy();
1183 2 Nf_write_open_A_area(nf_current_physical_sector_addr, 0x00);
1184 2
1185 2 for (j = 8; j != 0; j--)
1186 2 {
1187 3 while (!Usb_rx_complete()); /* wait end of reception */
1188 3 Nf_wr_byte(Usb_read_byte()); /* write 64 bytes to card */
1189 3 Nf_wr_byte(Usb_read_byte());
1190 3 Nf_wr_byte(Usb_read_byte());
1191 3 Nf_wr_byte(Usb_read_byte());
1192 3 Nf_wr_byte(Usb_read_byte());
1193 3 Nf_wr_byte(Usb_read_byte());
1194 3 Nf_wr_byte(Usb_read_byte());
1195 3 Nf_wr_byte(Usb_read_byte());
1196 3 Nf_wr_byte(Usb_read_byte());
1197 3 Nf_wr_byte(Usb_read_byte());
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 V7.50 NF 09/20/2005 21:47:45 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 Usb_clear_RXOUT_PP(); /* usb read acknowledgement */
1253 3 }
1254 2
1255 2 /* Update spare data */
1256 2 Nf_wr_byte(0xFF);
1257 2 Nf_wr_byte(0xFF);
1258 2 Nf_wr_byte(0xFF);
1259 2 Nf_wr_byte(0xFF);
1260 2 Nf_wr_byte(0xFF);
1261 2 Nf_wr_byte(0xFF);
1262 2 Nf_wr_byte(((Byte*)&nf_redundant_logical_block_value)[0]);
1263 2 Nf_wr_byte(((Byte*)&nf_redundant_logical_block_value)[1]);
1264 2 Nf_wr_byte(0xFF);
1265 2 Nf_wr_byte(0xFF);
1266 2 Nf_wr_byte(0xFF);
1267 2 Nf_wr_byte(⌨️ 快捷键说明
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