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comparison src/external_flash.asm @ 416:4389fe9673b2

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NEW: Support for new logbook memory chip (minor hardware change) BUGFIX: Button sensitivity was not reset after update in some cases
author heinrichsweikamp
date Mon, 18 Apr 2016 14:34:57 +0200
parents 35bdfd89323c
children 789230298511
comparison
equal deleted inserted replaced
415:fd3865a82519 416:4389fe9673b2
210 movlw b'00000000' ; New status 210 movlw b'00000000' ; New status
211 rcall write_spi 211 rcall write_spi
212 bsf flash_ncs ; CS=1 212 bsf flash_ncs ; CS=1
213 213
214 ; unlock new memory 214 ; unlock new memory
215 bsf flash_ncs ; CS=1 215 ; bsf flash_ncs ; CS=1
216 movlw 0x06 ; WREN command 216 movlw 0x06 ; WREN command
217 rcall write_spi 217 rcall write_spi
218 bsf flash_ncs ; CS=1 218 bsf flash_ncs ; CS=1
219 movlw 0x98 ; ULBPR command 219 movlw 0x98 ; ULBPR command
220 rcall write_spi 220 rcall write_spi
231 231
232 movlw 0x01 ; WRSR command 232 movlw 0x01 ; WRSR command
233 rcall write_spi 233 rcall write_spi
234 movlw b'00011100' ; New status (Write protect on) 234 movlw b'00011100' ; New status (Write protect on)
235 rcall write_spi 235 rcall write_spi
236 bsf flash_ncs ; CS=1 236 ; bsf flash_ncs ; CS=1
237 237
238 ; lock new memory 238 ; lock new memory
239 bsf flash_ncs ; CS=1 239 bsf flash_ncs ; CS=1
240 movlw 0x06 ; WREN command 240 movlw 0x06 ; WREN command
241 rcall write_spi 241 rcall write_spi
263 rcall write_spi 263 rcall write_spi
264 rcall ext_flash_write_address ; Write 24bit address ext_flash_address:3 via SPI 264 rcall ext_flash_write_address ; Write 24bit address ext_flash_address:3 via SPI
265 bsf flash_ncs ; CS=1 265 bsf flash_ncs ; CS=1
266 ; bra ext_flash_wait_write ; Wait for write... and return 266 ; bra ext_flash_wait_write ; Wait for write... and return
267 ext_flash_wait_write: 267 ext_flash_wait_write:
268 WAITMS d'1' ; TBE=25ms... 268 WAITMS d'5' ; TBE/TSE=25ms...
269 movlw 0x05 ; RDSR command 269 movlw 0x05 ; RDSR command
270 rcall write_spi ; Read status 270 rcall write_spi ; Read status
271 rcall write_spi ; Read status into WREG 271 rcall write_spi ; Read status into WREG
272 bsf flash_ncs ; CS=1 272 bsf flash_ncs ; CS=1
273 btfsc SSP2BUF,0 ; Write operation in process? 273 btfsc SSP2BUF,0 ; Write operation in process?