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#include <zup.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
typedef int (*cmd_command)(int, const struct param*, int, char**);
static int
cmd_boot(int fd, const struct param *param, int argc, char **args)
{
int err = 0;
uint8_t bank;
uint16_t address;
if (argc != 2) {
fputs("BOOT expects 2 arguments\n", stderr);
return 1;
}
errno = 0;
bank = strtoul(args[0], NULL, 16);
if (errno)
goto error;
address = strtoul(args[1], NULL, 16);
if (errno)
goto error;
return z_boot(fd, bank, address);
error:
perror("BOOT: Invalid arguments\n");
return -1;
}
static int
cmd_read(int fd, const struct param *param, int argc, char **args)
{
int err = 0;
uint8_t bank;
uint16_t address;
uint16_t length;
const char *pathname;
if (!((argc == 4 && !param->human_readable)
|| (argc == 3 && param->human_readable))) {
fputs("READ expects 4 arguments\n", stderr);
return 1;
}
errno = 0;
bank = strtoul(args[0], NULL, 16);
err |= errno;
errno = 0;
address = strtoul(args[1], NULL, 16);
err |= errno;
errno = 0;
length = strtoul(args[2], NULL, 16);
err |= errno;
pathname = args[3];
if (err) {
fputs("READ: Invalid arguments\n", stderr);
return -1;
}
uint8_t buf[MAX_PACKET_SIZE];
if ((err = z_read(fd, bank, address, length, buf)))
return err;
if (param->human_readable) {
hexdump(address, length, buf);
} else {
FILE *file;
if (!(file = fopen(pathname, "w"))) {
perror("File could not be opened");
return -1;
}
fwrite(buf, sizeof(uint8_t), length, file);
fclose(file);
}
return 0;
}
// TODO: Handle length 0 at protcol level
static int
cmd_write(int fd, const struct param *param, int argc, char **args)
{
int err = 0;
uint8_t bank;
uint16_t address;
uint16_t length;
const char *pathname;
if (argc != 3) {
fputs("WRITE expects 3 arguments\n", stderr);
return -1;
}
errno = 0;
bank = strtoul(args[0], NULL, 16);
err |= errno;
errno = 0;
address = strtoul(args[1], NULL, 16);
err |= errno;
pathname = args[2];
if (err) {
fputs("WRITE: Invalid arguments\n", stderr);
return -1;
}
uint8_t buf[MAX_PACKET_SIZE];
FILE *fp;
if (!(fp = fopen(pathname, "r"))) {
perror("File could not be opened");
return -1;
}
// Split file into packets
while ((length = fread(buf, sizeof(uint8_t), 8, fp))) {
if ((err = z_write(fd, bank, address, length, buf)))
break;
address += length;
}
fclose(fp);
return err;
}
static int
cmd_io_read(int fd, const struct param *param, int argc, char **args)
{
return 0;
}
static int
cmd_io_write(int fd, const struct param *param, int argc, char **args)
{
return 0;
}
int
run_commands(int fd, const struct param *param, int ncmd, char **cmds)
{
struct command {
const char *name;
cmd_command fptr;
};
const struct command cmd_table[] = {
{"b", cmd_boot},
{"r", cmd_read},
{"w", cmd_write},
{"i", cmd_io_read},
{"o", cmd_io_write}
};
for (int i = 0; i < ncmd; ++i) {
int err;
int argc = 1;
char *args[MAX_ARGS] = { NULL };
// Parse command
args[0] = strtok(cmds[i], ":");
while(argc < MAX_ARGS && (args[argc] = strtok(NULL, ":")))
++argc;
// Match action
int cmdi;
for (cmdi = 0; cmdi < LEN(cmd_table); ++cmdi) {
if (!strcmp(args[0], cmd_table[cmdi].name))
break;
}
// Call action
if (cmdi == LEN(cmd_table)) {
fprintf(stderr, "Unknown command %s\n", args[0]);
return 1;
}
if ((err = cmd_table[cmdi].fptr(fd, param, argc - 1, &args[1]))) {
print_error(err);
return err;
}
}
return 0;
}
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