X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=ccdbg.c;h=c144a06afa7cac350fcd543308ee2e5dc041843c;hp=64cb768f4447f1fbb2e798005739489de590b565;hb=b4d1127ef007843c643b778b3b2f6b915b1d5d9a;hpb=39801e6e9fb9388072ee414a447f74095a6ac960

diff --git a/ccdbg.c b/ccdbg.c
index 64cb768f..c144a06a 100644
--- a/ccdbg.c
+++ b/ccdbg.c
@@ -18,102 +18,95 @@
 
 #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;
-}
-
-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);
-}
+#if 0
+static uint8_t instructions[] = {
+	3, MOV_direct_data, 0xfe, 0x02,
+	3, MOV_direct_data, 0x90, 0xff,
+	0
+};
+#endif
 
-static void
-_ccdbg_reset(struct ccdbg *dbg)
-{
-	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);
-}
+#if 0
+static uint8_t mem_instr[] = {
+	MOV_direct_data, 0xfe, 0x02,
+	MOV_Rn_data(0), 0x00,
+	MOV_Rn_data(1), 0x00,
+	MOV_direct_data, 0x90, 0xff,
+	MOV_Rn_data(2), 0x10,
+	DJNZ_Rn_rel(1), 0xfe,
+	DJNZ_Rn_rel(0), 0xfc,
+	DJNZ_Rn_rel(2), 0xfa,
+	MOV_direct_data, 0x90, 0xfd,
+	MOV_Rn_data(2), 0x10,
+	DJNZ_Rn_rel(1), 0xfe,
+	DJNZ_Rn_rel(0), 0xfc,
+	DJNZ_Rn_rel(2), 0xfa,
+	SJMP, 0xe7,
+};
+#endif
 
-static void
-ccdbg_manual(struct ccdbg *dbg, FILE *input)
+#if 0
+static struct hex_image *
+make_hex_image(uint16_t addr, uint8_t *data, uint16_t length)
 {
-	char	line[80];
-	uint8_t	set;
+	struct hex_image	*image;
 
-	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);
-	}
+	image = malloc(sizeof (struct hex_image) + length);
+	image->address = addr;
+	image->length = length;
+	memcpy(image->data, data, length);
+	return image;
 }
+#endif
 
 int
 main (int argc, char **argv)
 {
 	struct ccdbg	*dbg;
 	uint8_t		status;
-	uint16_t	chip_id;
+	uint16_t	pc;
+	struct hex_file	*hex;
+	struct hex_image *image;
 
 	dbg = ccdbg_open("/dev/ttyUSB0");
 	if (!dbg)
 		exit (1);
+#if 0
 	ccdbg_manual(dbg, stdin);
-#if 0	
+#endif
+#if 1
+	hex = ccdbg_hex_file_read(stdin, "<stdin>");
+	if (!hex)
+		exit (1);
+	image = ccdbg_hex_image_create(hex);
+	ccdbg_hex_file_free(hex);
+#else
+	image = make_hex_image(0xf000, mem_instr, sizeof (mem_instr));
+#endif
+	
 	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);
+	
+#if 1
+	if (!image) {
+		fprintf(stderr, "image create failed\n");
+		exit (1);
+	}
+	if (image->address == 0xf000) {
+		printf("Loading %d bytes to execute from RAM\n", image->length);
+		ccdbg_write_hex_image(dbg, image, 0);
+	} else if (image->address == 0x0000) {
+		printf("Loading code to execute from FLASH\n");
+		ccdbg_flash_hex_image(dbg, image);
+	} else {
+		printf("Cannot load code to 0x%04x\n",
+		       image->address);
+		ccdbg_hex_image_free(image);
+		ccdbg_close(dbg);
+		exit(1);
+	}
+	ccdbg_set_pc(dbg, image->address);
 #endif
-	_ccdbg_reset(dbg);
+	ccdbg_resume(dbg);
 	ccdbg_close(dbg);
 	exit (0);
 }