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Submitted by Maciej: 

patch #9185: Add extended_param to usbasp.c - erasing
configuration section in ATtiny 4...40 (TPI)
* usbasp.c: Implement extended parameter parsing, and modify
usbasp_tpi_chip_erase() appropriately
* avrdude.1: Document USBasp extended parameters
* doc/avrdude.texi: (Dito)




git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@1419 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
joerg_wunsch 2018-01-16 22:40:28 +00:00
parent f262921d16
commit ab829ff198
4 changed files with 83 additions and 7 deletions
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10
ChangeLog
View File

@ -1,3 +1,13 @@
2018-01-16 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
Submitted by Maciej:
patch #9185: Add extended_param to usbasp.c - erasing
configuration section in ATtiny 4...40 (TPI)
* usbasp.c: Implement extended parameter parsing, and modify
usbasp_tpi_chip_erase() appropriately
* avrdude.1: Document USBasp extended parameters
* doc/avrdude.texi: (Dito)
2018-01-16 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
Submitted by Tom Carney:

9
avrdude.1
View File

@ -1047,6 +1047,15 @@ Sets the SPI clocking rate in Hz (default is 100kHz). Alternately the -B or -i o
.It Ar timeout=<usb-transaction-timeout>
Sets the timeout for USB reads and writes in milliseconds (default is 1500 ms).
.El
.It Ar USBasp
Extended parameters:
.Bl -tag -offset indent -width indent
.It Ar section_config
Programmer will erase configuration section with option
.Fl e
(chip erase), rather than entire chip.
Only applicable to TPI devices (ATtiny 4/5/9/10/20/40).
.El
.El
.Sh FILES
.Bl -tag -offset indent -width /dev/ppi0XXX

10
doc/avrdude.texi
View File

@ -909,6 +909,16 @@ Sets the SPI clocking rate in Hz (default is 100kHz). Alternately the -B or -i o
Sets the timeout for USB reads and writes in milliseconds (default is 1500 ms).
@end table
@item USBasp
Extended parameters:
@table @code
@item @samp{section_config}
Programmer will erase
configuration section with option '-e' (chip erase),
rather than entire chip.
Only applicable to TPI devices (ATtiny 4/5/9/10/20/40).
@end table
@end table
@page

59
usbasp.c
View File

@ -120,6 +120,7 @@ struct pdata
int sckfreq_hz;
unsigned int capabilities;
int use_tpi;
int section_e;
};
#define PDATA(pgm) ((struct pdata *)(pgm->cookie))
@ -131,6 +132,7 @@ struct pdata
// interface - management
static void usbasp_setup(PROGRAMMER * pgm);
static void usbasp_teardown(PROGRAMMER * pgm);
static int usbasp_parseextparms(PROGRAMMER * pgm, LISTID extparms);
// internal functions
static int usbasp_transmit(PROGRAMMER * pgm, unsigned char receive,
unsigned char functionid, const unsigned char *send,
@ -192,6 +194,31 @@ static void usbasp_teardown(PROGRAMMER * pgm)
free(pgm->cookie);
}
static int usbasp_parseextparms(PROGRAMMER * pgm, LISTID extparms)
{
LNODEID ln;
const char *extended_param;
int rv = 0;
for (ln = lfirst(extparms); ln; ln = lnext(ln)) {
extended_param = ldata(ln);
if (strncmp(extended_param, "section_config", strlen("section_config")) == 0) {
avrdude_message(MSG_NOTICE2, "%s: usbasp_parseextparms(): set section_e to 1 (config section)\n",
progname);
PDATA(pgm)->section_e = 1;
continue;
}
avrdude_message(MSG_INFO, "%s: usbasp_parseextparms(): invalid extended parameter '%s'\n",
progname, extended_param);
rv = -1;
}
return rv;
}
/* Internal functions */
static const char *usbasp_get_funcname(unsigned char functionid)
@ -1015,16 +1042,35 @@ static int usbasp_tpi_program_enable(PROGRAMMER * pgm, AVRPART * p)
static int usbasp_tpi_chip_erase(PROGRAMMER * pgm, AVRPART * p)
{
avrdude_message(MSG_DEBUG, "%s: usbasp_tpi_chip_erase()\n", progname);
int pr_0;
int pr_1;
int nvm_cmd;
/* Set PR to flash */
switch (PDATA(pgm)->section_e) {
/* Config bits section erase */
case 1:
pr_0 = 0x41;
pr_1 = 0x3F;
nvm_cmd = NVMCMD_SECTION_ERASE;
avrdude_message(MSG_DEBUG, "%s: usbasp_tpi_chip_erase() - section erase\n", progname);
break;
/* Chip erase (flash only) */
default:
pr_0 = 0x01;
pr_1 = 0x40;
nvm_cmd = NVMCMD_CHIP_ERASE;
avrdude_message(MSG_DEBUG, "%s: usbasp_tpi_chip_erase() - chip erase\n", progname);
break;
}
/* Set PR */
usbasp_tpi_send_byte(pgm, TPI_OP_SSTPR(0));
usbasp_tpi_send_byte(pgm, 0x01);
usbasp_tpi_send_byte(pgm, pr_0);
usbasp_tpi_send_byte(pgm, TPI_OP_SSTPR(1));
usbasp_tpi_send_byte(pgm, 0x40);
/* select ERASE */
usbasp_tpi_send_byte(pgm, pr_1);
/* select what been erase */
usbasp_tpi_send_byte(pgm, TPI_OP_SOUT(NVMCMD));
usbasp_tpi_send_byte(pgm, NVMCMD_CHIP_ERASE);
usbasp_tpi_send_byte(pgm, nvm_cmd);
/* dummy write */
usbasp_tpi_send_byte(pgm, TPI_OP_SST_INC);
usbasp_tpi_send_byte(pgm, 0x00);
@ -1194,6 +1240,7 @@ void usbasp_initpgm(PROGRAMMER * pgm)
pgm->setup = usbasp_setup;
pgm->teardown = usbasp_teardown;
pgm->set_sck_period = usbasp_spi_set_sck_period;
pgm->parseextparams = usbasp_parseextparms;
}