Tool features

gcn64_protocol.h

@@ -10,6 +10,7 @@
 
 /* Return many unknown bits, but two are about the expansion port. */
 #define N64_GET_CAPABILITIES		0x00
+#define N64_RESET					0xFF
 #define N64_CAPS_REPLY_LENGTH		24
 
 #define OFFSET_EXT_REMOVED			22

tool/gcn64.c

@@ -217,3 +217,4 @@ int gcn64_exchange(gcn64_hdl_t hdl, unsigned char *outcmd, int outlen, unsigned
 	return n;
 }
 
+

tool/gcn64lib.c

@@ -1,6 +1,8 @@
 #include <string.h>
+#include <stdio.h>
 #include "gcn64lib.h"
 #include "../requests.h"
+#include "hexdump.h"
 
 int gcn64lib_getConfig(gcn64_hdl_t hdl, unsigned char param, unsigned char *rx, unsigned char rx_max)
 {
@@ -75,3 +77,65 @@ int gcn64lib_rawSiCommand(gcn64_hdl_t hdl, unsigned char channel, unsigned char
 
 	return rx_len;
 }
+
+int gcn64lib_16bit_scan(gcn64_hdl_t hdl, unsigned short min, unsigned short max)
+{
+	int id, n;
+	unsigned char buf[64];
+
+	for (id = min; id<=max; id++) {
+		buf[0] = id >> 8;
+		buf[1] = id & 0xff;
+		n = gcn64lib_rawSiCommand(hdl, 0, buf, 2, buf, sizeof(buf));
+		if (n > 0) {
+			printf("CMD 0x%04x answer: ", id);
+			printHexBuf(buf, n);
+		}
+	}
+
+	return 0;
+}
+
+int gcn64lib_8bit_scan(gcn64_hdl_t hdl, unsigned char min, unsigned char max)
+{
+	int id, n;
+	unsigned char buf[64];
+
+	for (id = min; id<=max; id++) {
+		buf[0] = id;
+		n = gcn64lib_rawSiCommand(hdl, 0, buf, 1, buf, sizeof(buf));
+		if (n > 0) {
+			printf("CMD 0x%02x answer: ", id);
+			printHexBuf(buf, n);
+		}
+	}
+
+	return 0;
+}
+
+int gcn64lib_raphnet_gc_to_n64_getInfo(gcn64_hdl_t hdl)
+{
+	unsigned char buf[64];
+	int n;
+
+	buf[0] = 'R';
+	buf[1] = 0x01; // Get device info
+
+	n = gcn64lib_rawSiCommand(hdl, 0, buf, 2, buf, sizeof(buf));
+	if (n<0)
+		return n;
+
+	if (n > 0) {
+		printf("gc_to_n64 adapter info: {\n");
+		printf("\tFirmware version: %s\n", buf+10);
+		printf("\tDefault mapping id: %d\n", buf[0]);
+		printf("\tDeadzone enabled: %d\n", buf[1]);
+		printf("\tOld v1.5 conversion: %d\n", buf[2]);
+		printf("}\n");
+	} else {
+		printf("No answer (old version?)\n");
+	}
+
+	return 0;
+}
+

tool/gcn64lib.h

@@ -8,4 +8,8 @@ int gcn64lib_setConfig(gcn64_hdl_t hdl, unsigned char param, unsigned char *data
 int gcn64lib_getConfig(gcn64_hdl_t hdl, unsigned char param, unsigned char *rx, unsigned char rx_max);
 int gcn64lib_rawSiCommand(gcn64_hdl_t hdl, unsigned char channel, unsigned char *tx, unsigned char tx_len, unsigned char *rx, unsigned char max_rx);
 
+int gcn64lib_8bit_scan(gcn64_hdl_t hdl, unsigned char min, unsigned char max);
+int gcn64lib_16bit_scan(gcn64_hdl_t hdl, unsigned short min, unsigned short max);
+int gcn64lib_raphnet_gc_to_n64_getInfo(gcn64_hdl_t hdl);
+
 #endif // _gcn64_lib_h__

tool/main.c

@@ -62,6 +62,13 @@ static void printUsage(void)
 	printf("  --n64_getcaps                      Get N64 controller capabilities (or status such as pak present)\n");
 	printf("  --n64_mempak_dump                  Dump N64 mempak contents (Use with --outfile to write to file)\n");
 	printf("  --n64_mempak_write file            Write file to N64 mempak\n");
+	printf("\n");
+	printf("GC to N64 adapter commands: (For GC to N64 adapter connected to GC/N64 to USB adapter)\n");
+	printf("  --gc_to_n64_info                   Display info on adapter (version, config, etc)\n");
+	printf("\n");
+	printf("Development/Experimental/Research commands: (use at your own risk)\n");
+	printf("  --si_8bit_scan                     Try all possible 1-byte commands, to see which one a controller responds to.\n");
+	printf("  --si_16bit_scan                    Try all possible 2-byte commands, to see which one a controller responds to.\n");
 }
 
 
@@ -79,6 +86,9 @@ static void printUsage(void)
 #define OPT_SET_POLL_INTERVAL			308
 #define OPT_GET_POLL_INTERVAL			309
 #define OPT_N64_MEMPAK_WRITE			310
+#define OPT_SI8BIT_SCAN					311
+#define OPT_SI16BIT_SCAN				312
+#define OPT_GC_TO_N64_INFO				313
 
 struct option longopts[] = {
 	{ "help", 0, NULL, 'h' },
@@ -98,6 +108,9 @@ struct option longopts[] = {
 	{ "set_poll_rate", 1, NULL, OPT_SET_POLL_INTERVAL },
 	{ "get_poll_rate", 0, NULL, OPT_GET_POLL_INTERVAL },
 	{ "n64_mempak_write", 1, NULL, OPT_N64_MEMPAK_WRITE },
+	{ "si_8bit_scan", 0, NULL, OPT_SI8BIT_SCAN },
+	{ "si_16bit_scan", 0, NULL, OPT_SI16BIT_SCAN },
+	{ "gc_to_n64_info", 0, NULL, OPT_GC_TO_N64_INFO },
 	{ },
 };
 
@@ -296,6 +309,7 @@ int main(int argc, char **argv)
 
 			case OPT_N64_GETCAPS:
 				cmd[0] = N64_GET_CAPABILITIES;
+				//cmd[0] = 0xff;
 				n = gcn64lib_rawSiCommand(hdl, 0, cmd, 1, cmd, sizeof(cmd));
 				if (n >= 0) {
 					printf("N64 Get caps[%d]: ", n);
@@ -315,6 +329,18 @@ int main(int argc, char **argv)
 				printf("Input file: %s\n", optarg);
 				mempak_writeFromFile(hdl, optarg);
 				break;
+
+			case OPT_SI8BIT_SCAN:
+				gcn64lib_8bit_scan(hdl, 0, 255);
+				break;
+
+			case OPT_SI16BIT_SCAN:
+				gcn64lib_16bit_scan(hdl, 0, 0xffff);
+				break;
+
+			case OPT_GC_TO_N64_INFO:
+				gcn64lib_raphnet_gc_to_n64_getInfo(hdl);
+				break;
 		}
 
 		if (do_exchange) {