avr/avrdude
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Add support for Flip 2 reset on exit

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This makes it possible for the application to start immedeatly after the program has been loaded.
Simply use '-E reset' or '-E noreset'. Default is no reset.
Closes #733
This commit is contained in:
MCUdude
2022-09-24 22:48:14 +02:00
parent 8f478f0098
commit 80ca8a644e
1 changed files with 36 additions and 0 deletions
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36
src/flip2.c
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@@ -131,6 +131,7 @@ static void flip2_disable(const PROGRAMMER *pgm);
static void flip2_display(const PROGRAMMER *pgm, const char *prefix);
static int flip2_program_enable(const PROGRAMMER *pgm, const AVRPART *part);
static int flip2_chip_erase(const PROGRAMMER *pgm, const AVRPART *part);
static int flip2_start_app(const PROGRAMMER *pgm);
static int flip2_read_byte(const PROGRAMMER *pgm, const AVRPART *part, const AVRMEM *mem,
unsigned long addr, unsigned char *value);
static int flip2_write_byte(const PROGRAMMER *pgm, const AVRPART *part, const AVRMEM *mem,
@@ -140,6 +141,7 @@ static int flip2_paged_load(const PROGRAMMER *pgm, const AVRPART *part, const AV
static int flip2_paged_write(const PROGRAMMER *pgm, const AVRPART *part, const AVRMEM *mem,
unsigned int page_size, unsigned int addr, unsigned int n_bytes);
static int flip2_read_sig_bytes(const PROGRAMMER *pgm, const AVRPART *part, const AVRMEM *mem);
static int flip2_parseexitspecs(PROGRAMMER* pgm, const char *s);
static void flip2_setup(PROGRAMMER * pgm);
static void flip2_teardown(PROGRAMMER * pgm);
@@ -187,6 +189,7 @@ void flip2_initpgm(PROGRAMMER *pgm) {
pgm->read_byte = flip2_read_byte;
pgm->write_byte = flip2_write_byte;
pgm->read_sig_bytes = flip2_read_sig_bytes;
pgm->parseexitspecs = flip2_parseexitspecs;
pgm->setup = flip2_setup;
pgm->teardown = flip2_teardown;
}
@@ -315,6 +318,9 @@ flip2_initialize_fail:
void flip2_close(PROGRAMMER* pgm)
{
if (FLIP2(pgm)->dfu != NULL) {
if (pgm->exit_reset == EXIT_RESET_ENABLED)
flip2_start_app(pgm);
dfu_close(FLIP2(pgm)->dfu);
FLIP2(pgm)->dfu = NULL;
}
@@ -375,6 +381,22 @@ int flip2_chip_erase(const PROGRAMMER *pgm, const AVRPART *part) {
return cmd_result;
}
int flip2_start_app(const PROGRAMMER *pgm) {
avrdude_message(MSG_INFO, "%s: Starting application\n", progname);
struct flip2_cmd cmd = {
FLIP2_CMD_GROUP_EXEC, FLIP2_CMD_START_APP, { 0x00, 0, 0, 0 }
};
// queue command
int cmd_result = dfu_dnload(FLIP2(pgm)->dfu, &cmd, sizeof(cmd));
// repeat dnload to actually execute
dfu_dnload(FLIP2(pgm)->dfu, &cmd, sizeof(cmd));
return cmd_result;
}
int flip2_read_byte(const PROGRAMMER *pgm, const AVRPART *part, const AVRMEM *mem,
unsigned long addr, unsigned char *value)
{
@@ -489,6 +511,20 @@ int flip2_paged_write(const PROGRAMMER *pgm, const AVRPART *part, const AVRMEM *
return (result == 0) ? n_bytes : -1;
}
// Parse the -E option flag
int flip2_parseexitspecs(PROGRAMMER* pgm, const char *s) {
if (strcmp(s, "reset") == 0) {
pgm->exit_reset = EXIT_RESET_ENABLED;
} else if (strcmp(s, "noreset") == 0) {
pgm->exit_reset = EXIT_RESET_DISABLED;
} else {
return -1;
}
return 0;
}
int flip2_read_sig_bytes(const PROGRAMMER *pgm, const AVRPART *part, const AVRMEM *mem) {
if (FLIP2(pgm)->dfu == NULL)
return -1;