X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=ccdbg.c;h=4533fd0caeee643c553471cbf31a8ab744715837;hp=3fcf7053138df240ea04f97e735976cde72a92e4;hb=55995515b9d4fc1e193039eab697c5d03db417c2;hpb=5df84df7cd6a31527dcfd11030f00ef9d8abf170 diff --git a/ccdbg.c b/ccdbg.c index 3fcf7053..4533fd0c 100644 --- a/ccdbg.c +++ b/ccdbg.c @@ -18,12 +18,52 @@ #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) @@ -32,12 +72,49 @@ main (int argc, char **argv) ccdbg_manual(dbg, stdin); #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); + hex = ccdbg_hex_file_read(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);