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Provide meaningful program_enable() method

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It is customary for progammers to provide an enter-programming-mode method
in  the program_enable() and a leave-programming-mode in disable(). The
former was missing and might be useful for libavrdude applications.
This commit is contained in:
Stefan Rueger
2024-04-18 13:44:43 +01:00
parent 7c958ea306
commit 7de846054a
1 changed files with 6 additions and 8 deletions
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14
src/butterfly.c
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@@ -155,9 +155,9 @@ static int butterfly_chip_erase(const PROGRAMMER *pgm, const AVRPART *p) {
}
static void butterfly_enter_prog_mode(const PROGRAMMER *pgm) {
EV(butterfly_send(pgm, "P", 1));
butterfly_vfy_cmd_sent(pgm, "enter prog mode");
static int butterfly_enter_prog_mode(const PROGRAMMER *pgm) {
EI(butterfly_send(pgm, "P", 1));
return butterfly_vfy_cmd_sent(pgm, "enter prog mode");
}
@@ -167,11 +167,8 @@ static void butterfly_leave_prog_mode(const PROGRAMMER *pgm) {
}
/*
* issue the 'program enable' command to the AVR device
*/
static int butterfly_program_enable(const PROGRAMMER *pgm, const AVRPART *p) {
return -1;
return butterfly_enter_prog_mode(pgm);
}
@@ -348,7 +345,8 @@ static int butterfly_initialize(const PROGRAMMER *pgm, const AVRPART *p) {
pmsg_notice("devcode selected: 0x%02x\n", (unsigned) buf[1]);
butterfly_enter_prog_mode(pgm);
if(pgm->program_enable(pgm, p) < 0)
return -1;
(void) butterfly_drain(pgm, 0);
return 0;