Mercurial > public > hwos_code
diff src/external_flash.asm @ 421:3895adc3477f
fix Page-Program timing
| author | heinrichsweikamp |
|---|---|
| date | Fri, 29 Apr 2016 16:40:10 +0200 |
| parents | 789230298511 |
| children | ccaaac45b61a |
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--- a/src/external_flash.asm Fri Apr 29 15:38:57 2016 +0200 +++ b/src/external_flash.asm Fri Apr 29 16:40:10 2016 +0200 @@ -182,13 +182,16 @@ movlw 0x06 ; WREN command rcall write_spi bsf flash_ncs ; CS=1 - movlw 0x02 ; Write command + movlw 0x02 ; Write (PP, Page-Program) command rcall write_spi rcall ext_flash_write_address ; Write 24bit address ext_flash_address:3 via SPI movf temp1,W ; load data byte rcall write_spi ; write one byte of data! bsf flash_ncs ; CS=1 - return + bra ext_flash_wait_write ; And return... +; +; +; return global ext_flash_disable_protection ; Disable write protection ext_flash_disable_protection: @@ -273,7 +276,7 @@ bsf flash_ncs ; CS=1 ; bra ext_flash_wait_write ; Wait for write... and return ext_flash_wait_write: - WAITMS d'5' ; TBE/TSE=25ms... + WAITMS d'1' ; TBE/TSE=25ms... movlw 0x05 ; RDSR command rcall write_spi ; Read status rcall write_spi ; Read status into WREG