X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=ccdbg.c;h=b682372a96ba5a1d4615908aaf202add8a1a7488;hp=64cb768f4447f1fbb2e798005739489de590b565;hb=fa168f963f8b00144d12aa2770e9c0917cfae123;hpb=39801e6e9fb9388072ee414a447f74095a6ac960

diff --git a/ccdbg.c b/ccdbg.c
index 64cb768f..b682372a 100644
--- a/ccdbg.c
+++ b/ccdbg.c
@@ -18,80 +18,23 @@
 
 #include "ccdbg.h"
 
-static uint8_t
-get_bit(char *line, int i, char on, uint8_t bit)
-{
-	if (line[i] == on)
-		return bit;
-	if (line[i] == '.')
-		return 0;
-	fprintf(stderr, "bad line %s\n", line);
-	exit (1);
-}
-
-static char
-is_bit(uint8_t get, char on, uint8_t bit)
-{
-	if (get&bit)
-		return on;
-	else
-		return '.';
-}
-
-static uint8_t
-ccdbg_write_read(struct ccdbg *dbg, uint8_t set)
-{
-	uint8_t	get;
-
-	cccp_write(dbg, CC_DATA|CC_CLOCK|CC_RESET_N, set);
-	get = cccp_read_all(dbg);
-	printf("%c %c %c -> %c %c %c\n",
-	       is_bit(set, 'C', CC_CLOCK),
-	       is_bit(set, 'D', CC_DATA),
-	       is_bit(set, 'R', CC_RESET_N),
-	       is_bit(get, 'C', CC_CLOCK),
-	       is_bit(get, 'D', CC_DATA),
-	       is_bit(get, 'R', CC_RESET_N));
-	ccdbg_half_clock(dbg);
-	return get;
-}
+#define MOV	0x75
 
-static void
-_ccdbg_debug_mode(struct ccdbg *dbg)
-{
-	ccdbg_write_read(dbg, CC_CLOCK|CC_DATA|CC_RESET_N);
-	ccdbg_write_read(dbg,          CC_DATA           );
-	ccdbg_write_read(dbg, CC_CLOCK|CC_DATA           );
-	ccdbg_write_read(dbg,          CC_DATA           );
-	ccdbg_write_read(dbg, CC_CLOCK|CC_DATA           );
-	ccdbg_write_read(dbg,          CC_DATA|CC_RESET_N);
-}
+static uint8_t instructions[] = {
+	3, MOV, 0xfe, 0x02,
+	3, MOV, 0x90, 0xff,
+	0
+};
 
 static void
-_ccdbg_reset(struct ccdbg *dbg)
+ccdbg_instructions(struct ccdbg *dbg, uint8_t *inst)
 {
-	ccdbg_write_read(dbg, CC_CLOCK|CC_DATA|CC_RESET_N);
-	ccdbg_write_read(dbg, CC_CLOCK|CC_DATA           );
-	ccdbg_write_read(dbg, CC_CLOCK|CC_DATA           );
-	ccdbg_write_read(dbg, CC_CLOCK|CC_DATA|CC_RESET_N);
-}
-
-static void
-ccdbg_manual(struct ccdbg *dbg, FILE *input)
-{
-	char	line[80];
-	uint8_t	set;
-
-	while (fgets(line, sizeof line, input)) {
-		if (line[0] == '#' || line[0] == '\n') {
-			printf ("%s", line);
-			continue;
-		}
-		set = 0;
-		set |= get_bit(line, 0, 'C', CC_CLOCK);
-		set |= get_bit(line, 2, 'D', CC_DATA);
-		set |= get_bit(line, 4, 'R', CC_RESET_N);
-		ccdbg_write_read(dbg, set);
+	while(inst[0] != 0) {
+		uint8_t	len = inst[0];
+		uint8_t status;
+		status = ccdbg_debug_instr(dbg, inst+1, len);
+		printf ("inst status 0x%02x\n", status);
+		inst += len + 1;
 	}
 }
 
@@ -105,15 +48,19 @@ main (int argc, char **argv)
 	dbg = ccdbg_open("/dev/ttyUSB0");
 	if (!dbg)
 		exit (1);
+#if 0
 	ccdbg_manual(dbg, stdin);
-#if 0	
+#endif
+#if 1
 	ccdbg_debug_mode(dbg);
 	status = ccdbg_read_status(dbg);
 	printf("Status: 0x%02x\n", status);
 	chip_id = ccdbg_get_chip_id(dbg);
 	printf("Chip id: 0x%04x\n", chip_id);
+	status = ccdbg_halt(dbg);
+	printf ("halt status: 0x%02x\n", status);
+	ccdbg_instructions(dbg, instructions);
 #endif
-	_ccdbg_reset(dbg);
 	ccdbg_close(dbg);
 	exit (0);
 }