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comparison src/comm.asm @ 420:789230298511

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fix handling for new flash memory chip
author heinrichsweikamp
date Fri, 29 Apr 2016 15:38:57 +0200
parents db25f2028074
children ccaaac45b61a
comparison
equal deleted inserted replaced
419:881399cf0f5b 420:789230298511
302 302
303 rcall comm_write_get_byte 303 rcall comm_write_get_byte
304 btfsc rs232_recieve_overflow ; Got byte? 304 btfsc rs232_recieve_overflow ; Got byte?
305 bra comm_download_mode0 ; No, Done. 305 bra comm_download_mode0 ; No, Done.
306 movff RCREG1,lo 306 movff RCREG1,lo
307 ; Got 4bytes: 3bytes address and 1 bytes (lo) amount of 4kB blocks 307
308 ; Got 4bytes: 3bytes address and 1 bytes (lo) amount of 4kB blocks
308 309
309 comm_erase_range4kb1: 310 comm_erase_range4kb1:
310 call ext_flash_erase4kB ; Erase block! 311 call ext_flash_erase4kB ; Erase block!
311 312
312 movlw 0x10 313 movlw 0x10
344 bra comm_download_mode0 ; No, Done. 345 bra comm_download_mode0 ; No, Done.
345 346
346 comm_write_range_loop: 347 comm_write_range_loop:
347 rcall comm_write_get_byte 348 rcall comm_write_get_byte
348 btfsc rs232_recieve_overflow ; Got byte? 349 btfsc rs232_recieve_overflow ; Got byte?
349 bra comm_download_mode0 ; No, Done (and send OK byte too). 350 bra comm_download_mode0 ; No, Done (and send OK byte too).
350 movf RCREG1,W 351 movf RCREG1,W
351 call ext_flash_byte_write ; write one byte 352 call ext_flash_byte_write ; write one byte
352 call incf_ext_flash_address_p1 ; increase address+1 353 call incf_ext_flash_address_p1 ; increase address+1
353 bra comm_write_range_loop 354 bra comm_write_range_loop
354 355
355 ;----------------------------------------------------------------------------- 356 ;-----------------------------------------------------------------------------
356 357
357 comm_send_range: ; Get 3 bytes start address and 3 bytes amount 358 comm_send_range: ; Get 3 bytes start address and 3 bytes amount
358 movlw 0x20 ; send echo 359 movlw 0x20 ; send echo