#include "ccdbg.h"
-#define MOV_direct_data 0x75
-#define LJMP 0x02
-#define MOV_Rn_data(n) (0x78 | (n))
-#define DJNZ_Rn_rel(n) (0xd8 | (n))
-
#if 0
static uint8_t instructions[] = {
3, MOV_direct_data, 0xfe, 0x02,
};
#endif
+#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,
- MOV_Rn_data(0), 0xff,
- MOV_Rn_data(1), 0xff,
DJNZ_Rn_rel(1), 0xfe,
- DJNZ_Rn_rel(0), 0xfa,
- DJNZ_Rn_rel(2), 0xf6,
+ DJNZ_Rn_rel(0), 0xfc,
+ DJNZ_Rn_rel(2), 0xfa,
MOV_direct_data, 0x90, 0xfd,
MOV_Rn_data(2), 0x10,
- MOV_Rn_data(0), 0xff,
- MOV_Rn_data(1), 0xff,
DJNZ_Rn_rel(1), 0xfe,
- DJNZ_Rn_rel(0), 0xfa,
- DJNZ_Rn_rel(2), 0xf6,
- LJMP, 0xf0, 0x03
+ DJNZ_Rn_rel(0), 0xfc,
+ DJNZ_Rn_rel(2), 0xfa,
+ SJMP, 0xe7,
};
+#endif
-static uint8_t jump_mem[] = {
- 3, LJMP, 0xf0, 0x00,
- 0
-};
+#if 0
+static struct hex_image *
+make_hex_image(uint16_t addr, uint8_t *data, uint16_t length)
+{
+ struct hex_image *image;
+
+ 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;
- uint8_t memory[0x10];
- int i;
+ struct hex_file *hex;
+ struct hex_image *image;
dbg = ccdbg_open("/dev/ttyUSB0");
if (!dbg)
ccdbg_manual(dbg, stdin);
#endif
#if 1
- ccdbg_reset(dbg);
+ 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);
- status = ccdbg_halt(dbg);
- printf ("halt status: 0x%02x\n", status);
-/* ccdbg_execute(dbg, instructions); */
- ccdbg_write_memory(dbg, 0xf000, mem_instr, sizeof (mem_instr));
- ccdbg_read_memory(dbg, 0xf000, memory, sizeof (memory));
- for (i = 0; i < sizeof (memory); i++)
- printf (" %02x", memory[i]);
- printf ("\n");
- ccdbg_execute(dbg, jump_mem);
- pc = ccdbg_get_pc(dbg);
- printf ("pc starts at 0x%04x\n", pc);
- status = ccdbg_resume(dbg);
- printf ("resume status: 0x%02x\n", status);
+
+#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_resume(dbg);
ccdbg_close(dbg);
exit (0);
}