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/*
* Copyright © 2008 Keith Packard <keithp@keithp.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "ccdbg.h"
#if 1
static uint8_t instructions[] = {
3, MOV_direct_data, 0xfe, 0x02,
3, MOV_direct_data, 0x90, 0xff,
0
};
#endif
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,
};
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;
}
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);
#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_reset(dbg);
ccdbg_debug_mode(dbg);
ccdbg_halt(dbg);
#if 1
if (!image) {
fprintf(stderr, "image create failed\n");
exit (1);
}
if (image->address == 0xf000) {
printf("Loading code to execute from RAM\n");
ccdbg_execute_hex_image(dbg, image);
} else if (image->address == 0x0000) {
printf("Loading code to execute from FLASH\n");
ccdbg_flash_hex_image(dbg, image);
ccdbg_set_pc(dbg, 0);
ccdbg_resume(dbg);
} else {
printf("Cannot load code to 0x%04x\n",
image->address);
ccdbg_hex_image_free(image);
ccdbg_close(dbg);
exit(1);
}
#endif
for (;;) {
pc = ccdbg_get_pc(dbg);
status = ccdbg_read_status(dbg);
printf("pc: 0x%04x. status: 0x%02x\n", pc, status);
}
#if 0
/* ccdbg_execute(dbg, instructions); */
ccdbg_write_memory(dbg, 0xf000, mem_instr, sizeof (mem_instr));
ccdbg_read_memory(dbg, 0xf000, memory, sizeof (memory));
#endif
ccdbg_close(dbg);
exit (0);
}
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