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Steamline avrftdi support for ATmega2560 et al

This commit is contained in:
Stefan Rueger 2022-07-04 12:25:50 +01:00
parent 2827c2695e
commit 237cb63211
1 changed files with 6 additions and 3 deletions
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9
src/avrftdi.c
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@ -917,6 +917,10 @@ static int avrftdi_chip_erase(PROGRAMMER * pgm, AVRPART * p)
static int static int
avrftdi_lext(PROGRAMMER *pgm, AVRPART *p, AVRMEM *m, unsigned int address) avrftdi_lext(PROGRAMMER *pgm, AVRPART *p, AVRMEM *m, unsigned int address)
{ {
/* nothing to do if load extended address command unavailable */
if(m->op[AVR_OP_LOAD_EXT_ADDR] == NULL)
return 0;
avrftdi_t *pdata = to_pdata(pgm); avrftdi_t *pdata = to_pdata(pgm);
unsigned char buf[] = { 0x00, 0x00, 0x00, 0x00 }; unsigned char buf[] = { 0x00, 0x00, 0x00, 0x00 };
@ -1019,7 +1023,7 @@ static int avrftdi_flash_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
page_size = m->page_size; page_size = m->page_size;
/* on large-flash devices > 128k issue extended address command when needed */ /* on large-flash devices > 128k issue extended address command when needed */
if(m->op[AVR_OP_LOAD_EXT_ADDR] && avrftdi_lext(pgm, p, m, addr/2) < 0) if(avrftdi_lext(pgm, p, m, addr/2) < 0)
return -1; return -1;
/* prepare the command stream for the whole page */ /* prepare the command stream for the whole page */
@ -1102,7 +1106,6 @@ static int avrftdi_flash_read(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
{ {
OPCODE * readop; OPCODE * readop;
int byte, word; int byte, word;
unsigned int address = addr/2;
unsigned int buf_size = 4 * len + 4; unsigned int buf_size = 4 * len + 4;
unsigned char* o_buf = alloca(buf_size); unsigned char* o_buf = alloca(buf_size);
@ -1122,7 +1125,7 @@ static int avrftdi_flash_read(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
return -1; return -1;
} }
if(m->op[AVR_OP_LOAD_EXT_ADDR] && avrftdi_lext(pgm, p, m, address) < 0) if(avrftdi_lext(pgm, p, m, addr/2) < 0)
return -1; return -1;
/* word addressing! */ /* word addressing! */