drivers/at91rm9200: fix help and usage to command "at91rm9200_device"

[openocd.git] / src / jtag / drivers / at91rm9200.c

diff --git a/src/jtag/drivers/at91rm9200.c b/src/jtag/drivers/at91rm9200.c
index d7e11df24f833dc35cb4a3ce775a04104426e698..0360ec5deb453ceacd5eca25feafbb3ebc1c2c55 100644 (file)
--- a/src/jtag/drivers/at91rm9200.c
+++ b/src/jtag/drivers/at91rm9200.c
@@ -13,9 +13,7 @@
  *   GNU General Public License for more details.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
 
 #ifdef HAVE_CONFIG_H
@@ -111,9 +109,9 @@ static uint32_t *pio_base;
 
 /* low level command set
  */
-static int at91rm9200_read(void);
-static void at91rm9200_write(int tck, int tms, int tdi);
-static void at91rm9200_reset(int trst, int srst);
+static bb_value_t at91rm9200_read(void);
+static int at91rm9200_write(int tck, int tms, int tdi);
+static int at91rm9200_reset(int trst, int srst);
 
 static int at91rm9200_init(void);
 static int at91rm9200_quit(void);
@@ -125,12 +123,12 @@ static struct bitbang_interface at91rm9200_bitbang = {
        .blink = 0
 };
 
-static int at91rm9200_read(void)
+static bb_value_t at91rm9200_read(void)
 {
-       return (pio_base[device->TDO_PIO + PIO_PDSR] & device->TDO_MASK) != 0;
+       return (pio_base[device->TDO_PIO + PIO_PDSR] & device->TDO_MASK) ? BB_HIGH : BB_LOW;
 }
 
-static void at91rm9200_write(int tck, int tms, int tdi)
+static int at91rm9200_write(int tck, int tms, int tdi)
 {
        if (tck)
                pio_base[device->TCK_PIO + PIO_SODR] = device->TCK_MASK;
@@ -146,10 +144,12 @@ static void at91rm9200_write(int tck, int tms, int tdi)
                pio_base[device->TDI_PIO + PIO_SODR] = device->TDI_MASK;
        else
                pio_base[device->TDI_PIO + PIO_CODR] = device->TDI_MASK;
+
+       return ERROR_OK;
 }
 
 /* (1) assert or (0) deassert reset lines */
-static void at91rm9200_reset(int trst, int srst)
+static int at91rm9200_reset(int trst, int srst)
 {
        if (trst == 0)
                pio_base[device->TRST_PIO + PIO_SODR] = device->TRST_MASK;
@@ -160,6 +160,8 @@ static void at91rm9200_reset(int trst, int srst)
                pio_base[device->SRST_PIO + PIO_SODR] = device->SRST_MASK;
        else if (srst == 1)
                pio_base[device->SRST_PIO + PIO_CODR] = device->SRST_MASK;
+
+       return ERROR_OK;
 }
 
 COMMAND_HANDLER(at91rm9200_handle_device_command)
@@ -181,7 +183,8 @@ static const struct command_registration at91rm9200_command_handlers[] = {
                .name = "at91rm9200_device",
                .handler = &at91rm9200_handle_device_command,
                .mode = COMMAND_CONFIG,
-               .help = "query armjtagew info",
+               .help = "Set at91rm9200 device [default \"rea_ecr\"]",
+               .usage = "<device>",
        },
        COMMAND_REGISTRATION_DONE
 };