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Fix paged read for ATmega2560 et al for ft245r.c

This commit is contained in:
Stefan Rueger 2022-07-04 23:11:32 +01:00
parent a721e485cb
commit 7aad03cbcd
1 changed files with 13 additions and 0 deletions
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13
src/ft245r.c
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@ -1170,6 +1170,19 @@ static int ft245r_paged_load_flash(PROGRAMMER *pgm, AVRPART *p, AVRMEM *m,
return -1; return -1;
} }
// always called with addr at page boundary, and n_bytes == m->page_size;
// hence, OK to prepend load extended address command (at most) once
if(m->op[AVR_OP_LOAD_EXT_ADDR]) {
memset(cmd, 0, sizeof cmd);
avr_set_bits(m->op[AVR_OP_LOAD_EXT_ADDR], cmd);
avr_set_addr(m->op[AVR_OP_LOAD_EXT_ADDR], cmd, addr/2);
buf_pos = 0;
for(int k=0; k<sizeof cmd; k++)
buf_pos += set_data(pgm, buf+buf_pos, cmd[k]);
ft245r_send_and_discard(pgm, buf, buf_pos);
}
req_count = i = j = buf_pos = 0; req_count = i = j = buf_pos = 0;
addr_save = addr; addr_save = addr;
while(i < (int) n_bytes) { while(i < (int) n_bytes) {