📄 stm8s_flash.ls
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734 00ff e701 ld (1,x),a
735 ; 245 FLASH_WaitForLastOperation(FLASH_MEMTYPE_DATA);
738 0101 a601 ld a,#1
739 0103 cd01b4 call _FLASH_WaitForLastOperation
741 ; 248 FLASH->CR2 &= (u8)(~FLASH_CR2_OPT);
743 0106 721f505b bres 20571,#7
744 ; 249 FLASH->NCR2 |= FLASH_NCR2_NOPT;
746 010a 721e505c bset 20572,#7
747 ; 250 }
750 010e 81 ret
813 ; 256 u16 FLASH_ReadOptionByte(u16 Address)
813 ; 257 {
814 switch .text
815 010f _FLASH_ReadOptionByte:
817 010f 5204 subw sp,#4
818 00000004 OFST: set 4
821 ; 258 u8 value_optbyte, value_optbyte_complement = 0;
823 ; 259 u16 res_value = 0;
825 ; 262 assert_param(IS_OPTION_BYTE_ADDRESS_OK(Address));
827 ; 265 value_optbyte = *((NEAR u8*)Address); /* Read option byte */
829 0111 f6 ld a,(x)
830 0112 6b01 ld (OFST-3,sp),a
831 ; 266 value_optbyte_complement = *(((NEAR u8*)Address) + 1); /* Read option byte complement*/
833 0114 e601 ld a,(1,x)
834 0116 6b02 ld (OFST-2,sp),a
835 ; 268 if (value_optbyte == (u8)(~value_optbyte_complement))
837 0118 7b02 ld a,(OFST-2,sp)
838 011a 43 cpl a
839 011b 1101 cp a,(OFST-3,sp)
840 011d 2617 jrne L723
841 ; 270 res_value = (u16)((u16)value_optbyte << 8);
843 011f 7b01 ld a,(OFST-3,sp)
844 0121 5f clrw x
845 0122 97 ld xl,a
846 0123 4f clr a
847 0124 02 rlwa x,a
848 0125 1f03 ldw (OFST-1,sp),x
849 ; 271 res_value = res_value | (u16)value_optbyte_complement;
851 0127 7b02 ld a,(OFST-2,sp)
852 0129 5f clrw x
853 012a 97 ld xl,a
854 012b 01 rrwa x,a
855 012c 1a04 or a,(OFST+0,sp)
856 012e 01 rrwa x,a
857 012f 1a03 or a,(OFST-1,sp)
858 0131 01 rrwa x,a
859 0132 1f03 ldw (OFST-1,sp),x
861 0134 2005 jra L133
862 0136 L723:
863 ; 275 res_value = FLASH_OPTIONBYTE_ERROR;
865 0136 ae5555 ldw x,#21845
866 0139 1f03 ldw (OFST-1,sp),x
867 013b L133:
868 ; 278 return(res_value);
870 013b 1e03 ldw x,(OFST-1,sp)
873 013d 5b04 addw sp,#4
874 013f 81 ret
948 ; 287 void FLASH_SetLowPowerMode(FLASH_LPMode_TypeDef LPMode)
948 ; 288 {
949 switch .text
950 0140 _FLASH_SetLowPowerMode:
952 0140 88 push a
953 00000000 OFST: set 0
956 ; 290 assert_param(IS_FLASH_LOW_POWER_MODE_OK(LPMode));
958 ; 292 FLASH->CR1 &= (u8)(~(FLASH_CR1_HALT | FLASH_CR1_AHALT)); /* Clears the two bits */
960 0141 c6505a ld a,20570
961 0144 a4f3 and a,#243
962 0146 c7505a ld 20570,a
963 ; 293 FLASH->CR1 |= (u8)LPMode; /* Sets the new mode */
965 0149 c6505a ld a,20570
966 014c 1a01 or a,(OFST+1,sp)
967 014e c7505a ld 20570,a
968 ; 294 }
971 0151 84 pop a
972 0152 81 ret
1030 ; 302 void FLASH_SetProgrammingTime(FLASH_ProgramTime_TypeDef ProgTime)
1030 ; 303 {
1031 switch .text
1032 0153 _FLASH_SetProgrammingTime:
1036 ; 305 assert_param(IS_FLASH_PROGRAM_TIME_OK(ProgTime));
1038 ; 307 FLASH->CR1 &= (u8)(~FLASH_CR1_FIX);
1040 0153 7211505a bres 20570,#0
1041 ; 308 FLASH->CR1 |= (u8)ProgTime;
1043 0157 ca505a or a,20570
1044 015a c7505a ld 20570,a
1045 ; 309 }
1048 015d 81 ret
1073 ; 317 FLASH_LPMode_TypeDef FLASH_GetLowPowerMode(void)
1073 ; 318 {
1074 switch .text
1075 015e _FLASH_GetLowPowerMode:
1079 ; 319 return((FLASH_LPMode_TypeDef)(FLASH->CR1 & (FLASH_CR1_HALT | FLASH_CR1_AHALT)));
1081 015e c6505a ld a,20570
1082 0161 a40c and a,#12
1085 0163 81 ret
1110 ; 328 FLASH_ProgramTime_TypeDef FLASH_GetProgrammingTime(void)
1110 ; 329 {
1111 switch .text
1112 0164 _FLASH_GetProgrammingTime:
1116 ; 330 return((FLASH_ProgramTime_TypeDef)(FLASH->CR1 & FLASH_CR1_FIX));
1118 0164 c6505a ld a,20570
1119 0167 a401 and a,#1
1122 0169 81 ret
1156 ; 339 u32 FLASH_GetBootSize(void)
1156 ; 340 {
1157 switch .text
1158 016a _FLASH_GetBootSize:
1160 016a 5204 subw sp,#4
1161 00000004 OFST: set 4
1164 ; 341 u32 temp = 0;
1166 ; 344 temp = (u32)((u32)FLASH->FPR * (u32)512);
1168 016c c6505d ld a,20573
1169 016f 5f clrw x
1170 0170 97 ld xl,a
1171 0171 90ae0200 ldw y,#512
1172 0175 cd0000 call c_umul
1174 0178 96 ldw x,sp
1175 0179 1c0001 addw x,#OFST-3
1176 017c cd0000 call c_rtol
1178 ; 347 if (FLASH->FPR == 0xFF)
1180 017f c6505d ld a,20573
1181 0182 a1ff cp a,#255
1182 0184 2611 jrne L154
1183 ; 349 temp += 512;
1185 0186 ae0200 ldw x,#512
1186 0189 bf02 ldw c_lreg+2,x
1187 018b ae0000 ldw x,#0
1188 018e bf00 ldw c_lreg,x
1189 0190 96 ldw x,sp
1190 0191 1c0001 addw x,#OFST-3
1191 0194 cd0000 call c_lgadd
1193 0197 L154:
1194 ; 353 return(temp);
1196 0197 96 ldw x,sp
1197 0198 1c0001 addw x,#OFST-3
1198 019b cd0000 call c_ltor
1202 019e 5b04 addw sp,#4
1203 01a0 81 ret
1312 ; 365 FlagStatus FLASH_GetFlagStatus(FLASH_Flag_TypeDef FLASH_FLAG)
1312 ; 366 {
1313 switch .text
1314 01a1 _FLASH_GetFlagStatus:
1316 01a1 88 push a
1317 00000001 OFST: set 1
1320 ; 367 FlagStatus status = RESET;
1322 ; 369 assert_param(IS_FLASH_FLAGS_OK(FLASH_FLAG));
1324 ; 372 if ((FLASH->IAPSR & (u8)FLASH_FLAG) != (u8)RESET)
1326 01a2 c4505f and a,20575
1327 01a5 2706 jreq L325
1328 ; 374 status = SET; /* FLASH_FLAG is set */
1330 01a7 a601 ld a,#1
1331 01a9 6b01 ld (OFST+0,sp),a
1333 01ab 2002 jra L525
1334 01ad L325:
1335 ; 378 status = RESET; /* FLASH_FLAG is reset*/
1337 01ad 0f01 clr (OFST+0,sp)
1338 01af L525:
1339 ; 382 return status;
1341 01af 7b01 ld a,(OFST+0,sp)
1344 01b1 5b01 addw sp,#1
1345 01b3 81 ret
1438 ; 393 FLASH_Status_TypeDef FLASH_WaitForLastOperation(FLASH_MemType_TypeDef MemType)
1438 ; 394 {
1439 switch .text
1440 01b4 _FLASH_WaitForLastOperation:
1442 01b4 5203 subw sp,#3
1443 00000003 OFST: set 3
1446 ; 395 u8 flagstatus = 0x00;
1448 01b6 0f03 clr (OFST+0,sp)
1449 ; 396 u16 timeout = OPERATION_TIMEOUT;
1451 01b8 ae1000 ldw x,#4096
1452 01bb 1f01 ldw (OFST-2,sp),x
1453 ; 399 if (MemType == FLASH_MEMTYPE_PROG)
1455 01bd 4d tnz a
1456 01be 2628 jrne L706
1458 01c0 200e jra L575
1459 01c2 L375:
1460 ; 403 flagstatus = (u8)(FLASH->IAPSR & (FLASH_IAPSR_EOP |
1460 ; 404 FLASH_IAPSR_WR_PG_DIS));
1462 01c2 c6505f ld a,20575
1463 01c5 a405 and a,#5
1464 01c7 6b03 ld (OFST+0,sp),a
1465 ; 405 timeout--;
1467 01c9 1e01 ldw x,(OFST-2,sp)
1468 01cb 1d0001 subw x,#1
1469 01ce 1f01 ldw (OFST-2,sp),x
1470 01d0 L575:
1471 ; 401 while ((flagstatus == 0x00) && (timeout != 0x00))
1473 01d0 0d03 tnz (OFST+0,sp)
1474 01d2 261c jrne L306
1476 01d4 1e01 ldw x,(OFST-2,sp)
1477 01d6 26ea jrne L375
1478 01d8 2016 jra L306
1479 01da L506:
1480 ; 412 flagstatus = (u8)(FLASH->IAPSR & (FLASH_IAPSR_HVOFF |
1480 ; 413 FLASH_IAPSR_WR_PG_DIS));
1482 01da c6505f ld a,20575
1483 01dd a441 and a,#65
1484 01df 6b03 ld (OFST+0,sp),a
1485 ; 414 timeout--;
1487 01e1 1e01 ldw x,(OFST-2,sp)
1488 01e3 1d0001 subw x,#1
1489 01e6 1f01 ldw (OFST-2,sp),x
1490 01e8 L706:
1491 ; 410 while ((flagstatus == 0x00) && (timeout != 0x00))
1493 01e8 0d03 tnz (OFST+0,sp)
1494 01ea 2604 jrne L306
1496 01ec 1e01 ldw x,(OFST-2,sp)
1497 01ee 26ea jrne L506
1498 01f0 L306:
1499 ; 425 if (timeout == 0x00 )
1501 01f0 1e01 ldw x,(OFST-2,sp)
1502 01f2 2604 jrne L516
1503 ; 427 flagstatus = FLASH_STATUS_TIMEOUT;
1505 01f4 a602 ld a,#2
1506 01f6 6b03 ld (OFST+0,sp),a
1507 01f8 L516:
1508 ; 430 return((FLASH_Status_TypeDef)flagstatus);
1510 01f8 7b03 ld a,(OFST+0,sp)
1513 01fa 5b03 addw sp,#3
1514 01fc 81 ret
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