add a way to switch layouts

tools/ftditools/bbmc.c

@@ -34,12 +34,55 @@
 #define vref2_normal(x)   ( CAT(x,_VREF2H)    )
 #define vref2_erase(x)    ( CAT(x,_VREF2L)    )
 
+struct layout {
+	char *name;
+	enum ftdi_interface interface;
+	uint16_t dir;
+	uint16_t reset_release;
+	uint16_t reset_set;
+	uint16_t vref2_normal;
+	uint16_t vref2_erase;
+};
+
+#define std_layout(x)                        \
+	.interface = interface(x),           \
+        .dir = dir(x),	                     \
+	.reset_release = reset_release(x),   \
+	.reset_set = reset_set(x),	     \
+	.vref2_normal = vref2_normal(x),     \
+	.vref2_erase = vref2_erase(x),     
+	
+static const struct layout layouts[] =
+{
+	{ .name = "redbee_econotag",
+	  std_layout(REDBEE_ECONOTAG)
+	},
+	{ .name = "redbee_usb",
+	  std_layout(REDBEE_USB)
+	},
+	{ .name = NULL, /* end of table */ },
+};		
+		
+
 /* fgets input buffer length: for prompts and such */
 #define BUF_LEN 32
 
-int print_and_prompt( struct ftdi_device_list *devlist, int num_devs);
+int print_and_prompt( struct ftdi_device_list *devlist );
 int bb_mpsee(struct ftdi_context *ftdic, uint16_t dir, uint16_t val); 
-void toggle_reset(struct ftdi_context *ftdic);
+void toggle_reset(struct ftdi_context *ftdic, const struct layout * l);
+void usage(void);
+
+const struct layout * find_layout(char * str) 
+{
+	uint32_t i = 0;
+	
+	while(layouts[i].name != NULL) {
+		if(strcmp(layouts[i].name, str) == 0) { return &layouts[i]; }
+		i++;
+	}
+
+	return NULL;
+}
 
 static uint32_t vendid = 0x0403; uint32_t prodid = 0x6010;
 
@@ -48,39 +91,52 @@ int main(int argc, char **argv)
 	struct ftdi_context ftdic;
 	struct ftdi_device_list *devlist;
 	int dev_index = -1; int num_devs;
+	char layout_str[BUF_LEN];
+	const struct layout *layout;
 	int ret;
 
 	while (1) {
 		int c;
 		int option_index = 0;
 		static struct option long_options[] = {
-			{"index", required_argument, 0, 'i'},
-			{"help",        no_argument, 0, '?'},
+			{"layout", required_argument, 0, 'l'},
+			{"index",  required_argument, 0, 'i'},
+			{"help",         no_argument, 0, '?'},
 			{0, 0, 0, 0}
 		};
 		
-		c = getopt_long (argc, argv, "i:",
+		c = getopt_long (argc, argv, "i:l:",
 				 long_options, &option_index);
 		if (c == -1)
 			break;
 		
 		switch (c) {
 			/* process long opts */
+		case 'l':
+			strncpy(layout_str, optarg, BUF_LEN);
+			break;
 		case 'i':
 			dev_index = atoi(optarg);
-			printf("index %d\n", dev_index);
+			break;
 		default:
-			printf("Usage: don't know yet\n");
+			usage();
+			break;
 		}    
 	}
 
+	if( !(layout = find_layout(layout_str))) { 
+		usage(); 
+		printf("You must specify a layout\n");
+		return EXIT_FAILURE;
+	}
+
 	if ((num_devs = ftdi_usb_find_all(&ftdic, &devlist, vendid, prodid)) < 0)
 	{
 		fprintf(stderr, "ftdi_usb_find_all failed: %d (%s)\n", 
 			num_devs, 
 			ftdi_get_error_string(&ftdic));
 		return EXIT_FAILURE;
-	}
+	} 
 	
 	if (ftdi_init(&ftdic) < 0)
 	{
@@ -88,16 +144,23 @@ int main(int argc, char **argv)
 		return EXIT_FAILURE;
 	}
 
-	if (ftdi_set_interface(&ftdic, interface(BOARD)) < 0) {
-		fprintf(stderr, "couldn't set interface %d\n", interface(BOARD));
+	if (ftdi_set_interface(&ftdic, layout->interface) < 0) {
+		fprintf(stderr, "couldn't set interface %d\n", layout->interface);
 		return EXIT_FAILURE;
 	}
 
+	printf("Found %d devices with vendor id 0x%04x product id 0x%04x\n", 
+	       num_devs, vendid, prodid);
+	
+	if(num_devs == 0) { return EXIT_SUCCESS; }
+
 	if(num_devs == 1) { dev_index = 0; }
 	while( (dev_index < 0) || (dev_index >= num_devs)){
-		dev_index = print_and_prompt(devlist, num_devs);
+		dev_index = print_and_prompt(devlist);
 	}
 	
+	printf("Opening device %d using layout %s\n", dev_index, layout->name);
+
 	if( (ret = ftdi_usb_open_desc_index(
 		     &ftdic,
 		     vendid,
@@ -108,7 +171,7 @@ int main(int argc, char **argv)
 		fprintf(stderr, "couldn't open dev_index %d\n", dev_index);
 		return EXIT_FAILURE;
 	}
-	toggle_reset(&ftdic);
+	toggle_reset(&ftdic, layout);
 	
 	ftdi_list_free(&devlist);
 	ftdi_deinit(&ftdic);
@@ -116,7 +179,12 @@ int main(int argc, char **argv)
 	return EXIT_SUCCESS;
 }
 
-int print_and_prompt( struct ftdi_device_list *devlist, int num_devs) 
+void usage(void) 
+{
+	printf("Usage: don't know yet\n");	
+}
+
+int print_and_prompt( struct ftdi_device_list *devlist ) 
 {
 	int i, ret;
 	struct ftdi_context ftdic;
@@ -125,9 +193,7 @@ int print_and_prompt( struct ftdi_device_list *devlist, int num_devs)
 	char input[BUF_LEN]; char *s;
 	int sel = -1;
 
-	printf("Found %d devices with vendor id 0x%04x product id 0x%04x\n\n", 
-	       num_devs, vendid, prodid);
-
+	printf("\n");
 
 	i = 0;
 	for (curdev = devlist; curdev != NULL; i++)
@@ -161,7 +227,7 @@ int print_and_prompt( struct ftdi_device_list *devlist, int num_devs)
 	return sel;
 }
 
-void toggle_reset(struct ftdi_context *ftdic) 
+void toggle_reset(struct ftdi_context *ftdic, const struct layout * l) 
 {
 	printf("toggle reset\n");
 	
@@ -169,9 +235,9 @@ void toggle_reset(struct ftdi_context *ftdic)
 	/* set as inputs for now */
 	ftdi_set_bitmode(ftdic, 0 , BITMODE_MPSSE); 
 
-	bb_mpsee(ftdic, dir(BOARD), (reset_release(BOARD) | vref2_normal(BOARD)));
-	bb_mpsee(ftdic, dir(BOARD), (reset_set(BOARD)     | vref2_normal(BOARD)));
-	bb_mpsee(ftdic, dir(BOARD), (reset_release(BOARD) | vref2_normal(BOARD)));
+	bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_normal));
+	bb_mpsee(ftdic, l->dir, (l->reset_set     | l->vref2_normal));
+	bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_normal));
 
 	return;