- added patch for new flash functionality like:

[openocd.git] / src / jtag / parport.c

diff --git a/src/jtag/parport.c b/src/jtag/parport.c
index b666eb123aa80674bc033dff1577194c32422aa9..7ed95d8eaaee1f2d868686b38a0303a1a20e3e2f 100644 (file)
--- a/src/jtag/parport.c
+++ b/src/jtag/parport.c
@@ -120,8 +120,9 @@ cable_t cables[] =
 };
 
 /* configuration */
-char* parport_cable;
+char* parport_cable = NULL;
 unsigned long parport_port;
+static int parport_exit = 0;
 
 /* interface variables
  */
@@ -150,6 +151,7 @@ int parport_quit(void);
 /* interface commands */
 int parport_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 int parport_handle_parport_cable_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int parport_handle_write_on_exit_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 
 jtag_interface_t parport_interface = 
 {
@@ -249,7 +251,6 @@ void parport_reset(int trst, int srst)
 /* turn LED on parport adapter on (1) or off (0) */
 void parport_led(int on)
 {
-       u8 output;
        if (on)
                dataport_value |= cable->LED_MASK;
        else
@@ -271,6 +272,8 @@ int parport_register_commands(struct command_context_s *cmd_ctx)
                COMMAND_CONFIG, NULL);
        register_command(cmd_ctx, NULL, "parport_cable", parport_handle_parport_cable_command,
                COMMAND_CONFIG, NULL);
+       register_command(cmd_ctx, NULL, "parport_write_on_exit", parport_handle_write_on_exit_command,
+               COMMAND_CONFIG, NULL);
 
        return ERROR_OK;
 }
@@ -429,11 +432,20 @@ int parport_init(void)
 
 int parport_quit(void)
 {
-       u8 output;
        parport_led(0);
 
-       dataport_value = cable->PORT_EXIT;
-       parport_write_data();
+       if (parport_exit)
+       {
+               dataport_value = cable->PORT_EXIT;
+               parport_write_data();
+       }
+       
+       if (parport_cable)
+       {
+               free(parport_cable);
+               parport_cable = NULL;
+       }
+       
        return ERROR_OK;
 }
 
@@ -463,3 +475,19 @@ int parport_handle_parport_cable_command(struct command_context_s *cmd_ctx, char
 
        return ERROR_OK;
 }
+
+int parport_handle_write_on_exit_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+       if (argc != 1)
+       {
+               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;
+}