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Clarify UPDI initilisation

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stefanrueger
2025-05-03 14:41:49 +02:00
parent 776a014ab6
commit 69c5c4673b
1 changed files with 13 additions and 14 deletions
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27
src/pickit5.c
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@@ -1036,21 +1036,20 @@ static int pickit5_initialize(const PROGRAMMER *pgm, const AVRPART *p) {
if(is_updi(pgm)) { // UPDI got it's own init as it is well enough documented to select
if(pickit5_updi_init(pgm, p, v_target) < 0) // the CLKDIV based on the voltage and requested baud
return -1;
} else {
// JTAG __requires__ setting the speed before program enable
pickit5_set_sck_period(pgm, 1.0 / my.actual_pgm_clk);
if(pickit5_program_enable(pgm, p) < 0) {
pmsg_error("failed to enable programming mode\n");
return -1;
}
if(pickit5_read_dev_id(pgm, p) < 0) {
pmsg_error("failed to obtain device ID\n");
return -1;
}
return 0;
}
// JTAG __requires__ setting the speed before program enable
pickit5_set_sck_period(pgm, 1.0 / my.actual_pgm_clk);
if(pickit5_program_enable(pgm, p) < 0) {
pmsg_error("failed to enable programming mode\n");
return -1;
}
if(pickit5_read_dev_id(pgm, p) < 0) {
pmsg_error("failed to obtain device ID\n");
return -1;
}
return 0;
}