Commit Graph

11 Commits

Author SHA1 Message Date
Stefan Rueger d5d3a0e09e Improve help message -p/h for developer option -p 2022-07-24 23:38:51 +01:00
Stefan Rueger 5a517fb74d Make developer opts portable: change statement exprs and index(); use size_t 2022-07-22 23:50:22 +01:00
Stefan Rueger 572849ec2a Provide avr_set_addr_mem() to set addresses in SPI opcodes within boundaries
The function avr_set_addr_mem(AVRMEM *mem, int opnum, unsigned char *cmd,
unsigned long addr) is meant to replace avr_set_addr(OPCODE *op, unsigned
char *cmd, unsigned long addr) in future.

avr_set_addr_mem() has more information about the context of the task in that
it knows the memory size, memory page size, whether or not the memory is a
flash memory (which gets words addressees supplied) and, crucially, knows
which SPI operation it is meant to compute the address bits for.

avr_set_addr_mem() first computes the interval of bit numbers that must be
supplied for the SPI command to stand a chance to work. The function only
sets those address bits that are needed. Once all avr_set_addr() function
calls have been replaced by avr_set_addr_mem(), the SPI commands that need an
address can afford to declare in avrdude.conf all 16 address bits in the
middle two bytes of the SPI command. This over-declaration will be corrected
during runtime by avr_set_addr_mem(). One consequence of this is that parts
can inherit smaller or larger memories from parents without the need to use
different SPI codes in avrdude.conf. Another consequence is that
avr_set_addr_mem() can, and does, tell the caller whether vital address bits
were not declared in the SPI opcode. During parsing of avrdude.conf this
might be utilised to generate a corresponding warning. This will uncover
problematic SPI codes in avrdude.conf that in the past went undetected.
2022-07-21 21:42:07 +01:00
Stefan Rueger 55f6765ea5 Make more useful functions from developer_optc.c available 2022-07-21 18:47:48 +01:00
Stefan Rueger 192e118d2c Make useful functions from developer_optc.c available 2022-07-21 18:36:04 +01:00
Stefan Rueger 696574d1eb Replace !fnmatch(p, s, 0) with own part_match(p, s) 2022-07-21 18:04:41 +01:00
Stefan Rueger 6afa115a5f Make -p*/s print SPI opcodes like "0100.0000--000.aaaa--aaaa.aaaa--iiii.iiii" 2022-07-19 23:44:58 +01:00
Stefan Rueger bdb5ba6055 Add avrdude.conf syntax ((pp|hvsp)_controlstack|(eeprom|flash)_instr) = NULL; 2022-07-19 16:16:55 +01:00
Stefan Rueger 8989e6515b Change macros __f() to _f() and adapt to config_file and hvupdi changes 2022-07-19 14:38:34 +01:00
Stefan Rueger 9e2cea3ada Implement developer options -p */[*cdosSrwt] for part descriptions 2022-07-07 18:32:19 +01:00
Stefan Rueger 3bd75e74c6 Move developer options into own source file and expand part description -p \*
-p \*/c  check address bits in SPI commands
  -p \*/d  description of core part features
  -p \*/o  opcodes for SPI programming parts and memories
  -p \*/s  show avrdude.conf entries of parts
  -p \*/ss show full avrdude.conf entry as tab separated table
  -p \*/w  wd_... constants for ISP parts
  -p \*/\* all of the above except -p \*/s
  -p \*    same as -p\*/\*
2022-06-28 20:34:31 +01:00