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Prevent `spi' and `pgm' commands from crashing terminal mode 

These commands are been meaningful only on direct bitbang programming
adapters which implement a pgm->setpin method.

Disable these commands for all other programmers, and issue an
informational message.

This is a partial fix for bug #790.
This commit is contained in:
Joerg Wunsch 2022-01-01 20:58:26 +01:00
parent 69231d7ad0
commit a6a06f47f6
1 changed files with 15 additions and 7 deletions
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22
src/term.c
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@ -733,18 +733,26 @@ static int cmd_help(PROGRAMMER * pgm, struct avrpart * p,
static int cmd_spi(PROGRAMMER * pgm, struct avrpart * p, static int cmd_spi(PROGRAMMER * pgm, struct avrpart * p,
int argc, char * argv[]) int argc, char * argv[])
{ {
pgm->setpin(pgm, PIN_AVR_RESET, 1); if (pgm->setpin != NULL) {
spi_mode = 1; pgm->setpin(pgm, PIN_AVR_RESET, 1);
return 0; spi_mode = 1;
return 0;
}
avrdude_message(MSG_INFO, "`spi' command unavailable for this programmer type\n");
return -1;
} }
static int cmd_pgm(PROGRAMMER * pgm, struct avrpart * p, static int cmd_pgm(PROGRAMMER * pgm, struct avrpart * p,
int argc, char * argv[]) int argc, char * argv[])
{ {
pgm->setpin(pgm, PIN_AVR_RESET, 0); if (pgm->setpin != NULL) {
spi_mode = 0; pgm->setpin(pgm, PIN_AVR_RESET, 0);
pgm->initialize(pgm, p); spi_mode = 0;
return 0; pgm->initialize(pgm, p);
return 0;
}
avrdude_message(MSG_INFO, "`pgm' command unavailable for this programmer type\n");
return -1;
} }
static int cmd_verbose(PROGRAMMER * pgm, struct avrpart * p, static int cmd_verbose(PROGRAMMER * pgm, struct avrpart * p,