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Fix a number of logic errors in the previous commits 

RSP3_FAIL_CRC_FAILURE is 0x43 rather than 0x47.

jtag3_errcode() must only be applied to a reason code, not
to any general status code.
This commit is contained in:
Joerg Wunsch 2022-06-22 23:33:53 +02:00 committed by Stefan Rueger
parent 8953967fc3
commit f22b81c00e
2 changed files with 16 additions and 18 deletions
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32
src/jtag3.c
View File

@ -313,12 +313,10 @@ static void jtag3_prmsg(PROGRAMMER * pgm, unsigned char * data, size_t len)
}
}
static int jtag3_errcode(int status)
static int jtag3_errcode(int reason)
{
if (status >= LIBAVRDUDE_SUCCESS)
return status;
if (status == RSP3_FAIL_OCD_LOCKED ||
status == RSP3_FAIL_CRC_FAILURE)
if (reason == RSP3_FAIL_OCD_LOCKED ||
reason == RSP3_FAIL_CRC_FAILURE)
return LIBAVRDUDE_SOFTFAIL;
return LIBAVRDUDE_GENERAL_FAILURE;
}
@ -844,7 +842,7 @@ int jtag3_recv(PROGRAMMER * pgm, unsigned char **msg) {
}
}
int jtag3_command(PROGRAMMER *pgm, unsigned char *cmd, unsigned int cmdlen,
int jtag3_command(PROGRAMMER *pgm, unsigned char *cmd, unsigned int cmdlen,
unsigned char **resp, const char *descr)
{
int status;
@ -868,9 +866,10 @@ int jtag3_recv(PROGRAMMER * pgm, unsigned char **msg) {
avrdude_message(MSG_NOTICE2, "0x%02x (%d bytes msg)\n", (*resp)[1], status);
}
c = (*resp)[1];
if ((c & RSP3_STATUS_MASK) != RSP3_OK) {
if ((c == RSP3_FAILED) && ((*resp)[3] == RSP3_FAIL_OCD_LOCKED)) {
c = (*resp)[1] & RSP3_STATUS_MASK;
if (c != RSP3_OK) {
if ((c == RSP3_FAILED) && ((*resp)[3] == RSP3_FAIL_OCD_LOCKED ||
(*resp)[3] == RSP3_FAIL_CRC_FAILURE)) {
avrdude_message(MSG_INFO,
"%s: Device is locked! Chip erase required to unlock.\n",
progname);
@ -881,11 +880,10 @@ int jtag3_recv(PROGRAMMER * pgm, unsigned char **msg) {
status = (*resp)[3];
free(*resp);
resp = 0;
return jtag3_errcode(status);
}
return LIBAVRDUDE_SUCCESS;
return status;
}
@ -1001,7 +999,7 @@ static int jtag3_program_enable(PROGRAMMER * pgm)
return LIBAVRDUDE_SUCCESS;
}
return jtag3_errcode(status);
return status;
}
static int jtag3_program_disable(PROGRAMMER * pgm)
@ -1932,7 +1930,7 @@ static int jtag3_read_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
if (!(pgm->flag & PGM_FL_IS_DW))
if ((status = jtag3_program_enable(pgm)) < 0)
return jtag3_errcode(status);
return status;
cmd[0] = SCOPE_AVR;
cmd[1] = CMD3_READ_MEMORY;
@ -2018,7 +2016,7 @@ static int jtag3_read_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
if (addr == 0) {
if ((status = jtag3_command(pgm, cmd, 12, &resp, "read memory")) < 0)
return jtag3_errcode(status);
return status;
signature_cache[0] = resp[4];
signature_cache[1] = resp[5];
@ -2068,7 +2066,7 @@ static int jtag3_read_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
}
if ((status = jtag3_command(pgm, cmd, 12, &resp, "read memory")) < 0)
return jtag3_errcode(status);
return status;
if (resp[1] != RSP3_DATA ||
status < (pagesize? pagesize: 1) + 4) {
@ -2196,7 +2194,7 @@ static int jtag3_write_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
cmd[13] = data;
if ((status = jtag3_command(pgm, cmd, 14, &resp, "write memory")) < 0)
return jtag3_errcode(status);
return status;
free(resp);
@ -2327,7 +2325,7 @@ int jtag3_read_sib(PROGRAMMER * pgm, AVRPART * p, char * sib)
u32_to_b4(cmd + 8, AVR_SIBLEN);
if ((status = jtag3_command(pgm, cmd, 12, &resp, "read SIB")) < 0)
return jtag3_errcode(status);
return status;
memcpy(sib, resp+3, AVR_SIBLEN);
sib[AVR_SIBLEN] = 0; // Zero terminate string

2
src/jtag3_private.h
View File

@ -144,8 +144,8 @@
# define RSP3_FAIL_WRONG_MODE 0x32 /* progmode vs. non-prog */
# define RSP3_FAIL_UNSUPP_MEMORY 0x34 /* unsupported memory type */
# define RSP3_FAIL_WRONG_LENGTH 0x35 /* wrong lenth for mem access */
# define RSP3_FAIL_CRC_FAILURE 0x43 /* CRC failure in device */
# define RSP3_FAIL_OCD_LOCKED 0x44 /* device is locked */
# define RSP3_FAIL_CRC_FAILURE 0x47 /* CRC failure in device */
# define RSP3_FAIL_NOT_UNDERSTOOD 0x91
/* ICE events */