typedef struct cable_s
{
char* name;
- u8 TDO_MASK; /* status port bit containing current TDO value */
- u8 TRST_MASK; /* data port bit for TRST */
- u8 TMS_MASK; /* data port bit for TMS */
- u8 TCK_MASK; /* data port bit for TCK */
- u8 TDI_MASK; /* data port bit for TDI */
- u8 SRST_MASK; /* data port bit for SRST */
- u8 OUTPUT_INVERT; /* data port bits that should be inverted */
- u8 INPUT_INVERT; /* status port that should be inverted */
- u8 PORT_INIT; /* initialize data port with this value */
- u8 PORT_EXIT; /* de-initialize data port with this value */
- u8 LED_MASK; /* data port bit for LED */
+ uint8_t TDO_MASK; /* status port bit containing current TDO value */
+ uint8_t TRST_MASK; /* data port bit for TRST */
+ uint8_t TMS_MASK; /* data port bit for TMS */
+ uint8_t TCK_MASK; /* data port bit for TCK */
+ uint8_t TDI_MASK; /* data port bit for TDI */
+ uint8_t SRST_MASK; /* data port bit for SRST */
+ uint8_t OUTPUT_INVERT; /* data port bits that should be inverted */
+ uint8_t INPUT_INVERT; /* status port that should be inverted */
+ uint8_t PORT_INIT; /* initialize data port with this value */
+ uint8_t PORT_EXIT; /* de-initialize data port with this value */
+ uint8_t LED_MASK; /* data port bit for LED */
} cable_t;
-static cable_t cables[] =
-{
+static cable_t cables[] =
+{
/* name tdo trst tms tck tdi srst o_inv i_inv init exit led */
{ "wiggler", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x01, 0x80, 0x80, 0x80, 0x00 },
{ "wiggler2", 0x80, 0x10, 0x02, 0x04, 0x08, 0x01, 0x01, 0x80, 0x80, 0x00, 0x20 },
/* configuration */
static char* parport_cable = NULL;
-static u16 parport_port;
+static uint16_t parport_port;
static int parport_exit = 0;
/* interface variables
*/
static cable_t* cable;
-static u8 dataport_value = 0x0;
+static uint8_t dataport_value = 0x0;
#if PARPORT_USE_PPDEV == 1
static int device_handle;
static int parport_handle_parport_cable_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
static int parport_handle_write_on_exit_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-jtag_interface_t parport_interface =
+jtag_interface_t parport_interface =
{
.name = "parport",
-
+
.execute_queue = bitbang_execute_queue,
- .speed = parport_speed,
+ .speed = parport_speed,
.register_commands = parport_register_commands,
.init = parport_init,
.quit = parport_quit,
static int parport_read(void)
{
int data = 0;
-
+
#if PARPORT_USE_PPDEV == 1
ioctl(device_handle, PPRSTATUS, & data);
#else
static __inline__ void parport_write_data(void)
{
- u8 output;
+ uint8_t output;
output = dataport_value ^ cable->OUTPUT_INVERT;
#if PARPORT_USE_PPDEV == 1
static void parport_write(int tck, int tms, int tdi)
{
- int i = jtag_speed + 1;
-
+ int i = jtag_get_speed() + 1;
+
if (tck)
dataport_value |= cable->TCK_MASK;
else
dataport_value &= ~cable->TCK_MASK;
-
+
if (tms)
dataport_value |= cable->TMS_MASK;
else
dataport_value &= ~cable->TMS_MASK;
-
+
if (tdi)
dataport_value |= cable->TDI_MASK;
else
dataport_value &= ~cable->TDI_MASK;
-
+
while (i-- > 0)
parport_write_data();
}
dataport_value |= cable->SRST_MASK;
else if (srst == 1)
dataport_value &= ~cable->SRST_MASK;
-
+
parport_write_data();
}
-
+
/* turn LED on parport adapter on (1) or off (0) */
static void parport_led(int on)
{
{
HANDLE h;
OSVERSIONINFO version;
-
+
version.dwOSVersionInfoSize = sizeof version;
- if (!GetVersionEx( &version )) {
+ if (!GetVersionEx(&version )) {
errno = EINVAL;
return -1;
}
if (version.dwPlatformId != VER_PLATFORM_WIN32_NT)
return 0;
-
- h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
+
+ h = CreateFile("\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
if (h == INVALID_HANDLE_VALUE) {
errno = ENODEV;
return -1;
}
-
- CloseHandle( h );
-
+
+ CloseHandle(h );
+
return 0;
}
#endif
char buffer[256];
int i = 0;
#endif
-
+
cur_cable = cables;
-
+
if ((parport_cable == NULL) || (parport_cable[0] == 0))
{
parport_cable = "wiggler";
LOG_WARNING("No parport cable specified, using default 'wiggler'");
}
-
+
while (cur_cable->name)
{
if (strcmp(cur_cable->name, parport_cable) == 0)
LOG_ERROR("No matching cable found for %s", parport_cable);
return ERROR_JTAG_INIT_FAILED;
}
-
+
dataport_value = cable->PORT_INIT;
-
+
#if PARPORT_USE_PPDEV == 1
if (device_handle > 0)
{
LOG_DEBUG("...open");
#if !defined(__FreeBSD__) && !defined(__FreeBSD_kernel__)
- i=ioctl(device_handle, PPCLAIM);
- if (i<0)
+ i = ioctl(device_handle, PPCLAIM);
+ if (i < 0)
{
LOG_ERROR("cannot claim device");
return ERROR_JTAG_INIT_FAILED;
i = PARPORT_MODE_COMPAT;
i= ioctl(device_handle, PPSETMODE, & i);
- if (i<0)
+ if (i < 0)
{
LOG_ERROR(" cannot set compatible mode to device");
return ERROR_JTAG_INIT_FAILED;
i = IEEE1284_MODE_COMPAT;
i = ioctl(device_handle, PPNEGOT, & i);
- if (i<0)
+ if (i < 0)
{
LOG_ERROR("cannot set compatible 1284 mode to device");
return ERROR_JTAG_INIT_FAILED;
parport_port = 0x378;
LOG_WARNING("No parport port specified, using default '0x378' (LPT1)");
}
-
+
dataport = parport_port;
statusport = parport_port + 1;
-
+
LOG_DEBUG("requesting privileges for parallel port 0x%lx...", dataport);
#if PARPORT_USE_GIVEIO == 1
if (parport_get_giveio_access() != 0)
return ERROR_JTAG_INIT_FAILED;
}
LOG_DEBUG("...privileges granted");
-
+
/* make sure parallel port is in right mode (clear tristate and interrupt */
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
outb(parport_port + 2, 0x0);
#else
outb(0x0, parport_port + 2);
#endif
-
+
#endif /* PARPORT_USE_PPDEV */
-
+
parport_reset(0, 0);
parport_write(0, 0, 0);
parport_led(1);
- bitbang_interface = &parport_bitbang;
+ bitbang_interface = &parport_bitbang;
return ERROR_OK;
}
dataport_value = cable->PORT_EXIT;
parport_write_data();
}
-
+
if (parport_cable)
{
free(parport_cable);
parport_cable = NULL;
}
-
+
return ERROR_OK;
}
static int parport_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
- if (argc == 0)
- return ERROR_OK;
+ if (argc == 1)
+ {
+ /* only if the port wasn't overwritten by cmdline */
+ if (parport_port == 0)
+ {
+ int retval = parse_u16(args[0], &parport_port);
+ if (ERROR_OK != retval)
+ return retval;
+ }
+ else
+ {
+ LOG_ERROR("The parport port was already configured!");
+ return ERROR_FAIL;
+ }
+ }
- /* only if the port wasn't overwritten by cmdline */
- if (parport_port == 0)
- parport_port = strtoul(args[0], NULL, 0);
+ command_print(cmd_ctx, "parport port = %u", parport_port);
return ERROR_OK;
}
{
if (argc != 1)
{
- command_print(cmd_ctx, "usage: parport_write_on_exit <on|off>");
+ command_print(cmd_ctx, "usage: parport_write_on_exit <on | off>");
return ERROR_OK;
}
-
+
if (strcmp(args[0], "on") == 0)
parport_exit = 1;
else if (strcmp(args[0], "off") == 0)
parport_exit = 0;
-
+
return ERROR_OK;
}
projects / fw / openocd / blobdiff