-#if 0
-command_ret_t do_clock(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
-{
- long freq;
- char *endp;
-
- (void) cmdtp; (void) flag;
-
- if (argc == 2) {
- if (toupper(argv[1][0]) == 'L')
- freq = 0;
- else if (toupper(argv[1][0]) == 'H')
- freq = LONG_MAX;
- else {
- freq = strtol(argv[1], &endp, 10);
- switch (*endp) {
- case 'M':
- freq *= 1000;
- case 'K':
- freq *= 1000;
- endp++;
- case '\0':
- if (*endp == '\0')
- break;
- default:
- printf_P(PSTR("invalid value\n"));
- return CMD_RET_USAGE;
- }
-
- if (freq == 0) {
- printf_P(PSTR("CPU clock cannot be 0\n"));
- return CMD_RET_USAGE;
- }
-
-
-/* if (freq > (long) F_CPU / 2) {
- printf_P(PSTR("Max CPU clock freq. is: %luHz\n"), F_CPU/2);
- return CMD_RET_USAGE;
- }
-*/
- }
- if (z80_clock_set(freq) < 0) {
- printf_P(PSTR("Setting CPU clock freq. to %luHz failed.\n"),
- freq);
- }
- }
-
- printf_P(PSTR("CPU clock: %luHz\n"), z80_clock_get());
-
-
- return CMD_RET_SUCCESS;
-}
-
-command_ret_t do_clock2(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
-{
- long value;
- char *endp;
- uint8_t div_flag = 0;
-
- (void) cmdtp; (void) flag;
-
- if (argc >= 2) {
- if (argv[1][0] == '-' && argv[1][1] == 'd') {
- div_flag = 1;
- argc--;
- argv++;
- }
- }
-
- if (argc == 2) {
- if (toupper(argv[1][0]) == 'L')
- value = 0;
- else if (toupper(argv[1][0]) == 'H')
- value = LONG_MAX;
- else {
- value = strtol(argv[1], &endp, 10);
- switch (*endp) {
- case 'M':
- value *= 1000;
- case 'K':
- value *= 1000;
- endp++;
- case '\0':
- if (*endp == '\0')
- break;
- default:
- printf_P(PSTR("invalid value\n"));
- return CMD_RET_USAGE;
- }
-
- if (value == 0) {
- printf_P(PSTR("clk2 cannot be 0\n"));
- return CMD_RET_USAGE;
- }
-
- if (div_flag) {
- if (value > 256*1024L) {
- printf_P(PSTR("Max clk2 divider is: %lu\n"), 256*1024L);
- return CMD_RET_USAGE;
- }
- } else {
- if (value > (long) F_CPU / 2) {
- printf_P(PSTR("Max clk2 freq. is: %luHz\n"), F_CPU/2);
- return CMD_RET_USAGE;
- }
- }
- }
- if (div_flag ? z80_clock2_divset(value) : z80_clock2_set(value) < 0) {
- printf_P(PSTR("Setting clk2 freq. to %luHz failed.\n"),
- value);
- }
- }
-
- printf_P(PSTR("clk2: %luHz\n"), z80_clock2_get());
-
-
- return CMD_RET_SUCCESS;
-}
-#endif
-
-// {INPUT, INPUT_PULLUP, OUTPUT, OUTPUT_TIMER} pinmode_t;
-
-
-static void print_blanks(uint_fast8_t count)
-{
- while(count--)
- putchar(' ');
-}
-
-static const FLASH char * const FLASH pinconf_str[] = {
- FSTR("?"),
- FSTR("Input"),
- FSTR("Pullup"),
- FSTR("Output"),
- FSTR("Clock"),
- };
-
-static const FLASH char * const FLASH pinlevel_str[] = {
- FSTR("Low"),
- FSTR("High"),
- FSTR(""),
- };
-
-int print_pin(int pin, int multi)
-{
- int pinconf;
- const FLASH char *levelp;
- long div;
-
- pinconf = pin_config_get(pin);
- if (pinconf == OUTPUT_TIMER) {
- div = pin_clockdiv_get(pin);
- levelp = pinlevel_str[2];
- } else
- levelp = pinlevel_str[pin_read(pin)];
-
- if (multi) {
- printf_P(PSTR("%3d "), pin);
- my_puts_P(pinconf_str[pinconf]);
- print_blanks(8 - strlen_P(pinconf_str[pinconf]));
- my_puts_P(levelp);
- print_blanks(6 - strlen_P(levelp));
- if (pinconf == OUTPUT_TIMER)
- printf_P(PSTR("%7ld %8ld"),
- div, F_CPU/div);
- } else {
- printf_P(PSTR("Pin %d: "), pin);
- my_puts_P(pinconf_str[pinconf]);
- printf_P(PSTR(", "));
- my_puts_P(levelp);
-
- if (pinconf == OUTPUT_TIMER)
- printf_P(PSTR("divide by %ld (%ldHz)"),
- div, F_CPU/div);
- }
- printf_P(PSTR("\n"));
-
- return 0;
-}
-
-int pinarg_insert(int pin, int count, int pinarg[])
-{
- int pos;
-
- if (pin < 0 || pin >= PIN_MAX)
- return -1;
-
- for (pos = 0; pos < count; pos++) {
- if (pin == pinarg[pos])
- return 0;
- if (pin < pinarg[pos])
- break;
- }
- for (int i = count-1; i == pos ; i--)
- pinarg[i+1] = pinarg[i];
- pinarg[pos] = pin;
-
- return 1;
-}
-
-int pinarg_get(char * arg, int pinarg[])
-{
- int count = 0;
- char *endp;
- int pin1, pin2, rc;
-
- while (1) {
- pin1 = (int) strtoul(arg, &endp, 10);
- if (endp != arg && *endp == '-') {
- arg = endp+1;
- pin2 = (int) strtoul(arg, &endp, 10);
- if (pin1 < pin2)
- for (; pin1 < pin2; pin1++)
- if ((rc = pinarg_insert(pin1, count, pinarg)) >= 0)
- count += rc;
- else
- return 0;
- else
- return 0;
- }
- if (endp != arg && pin1 >= 0) {
- if ((*endp == ',' || *endp == '\0') &&
- (rc = pinarg_insert(pin1, count, pinarg)) >= 0) {
- count += rc;
- if (*endp == '\0')
- return count;
- } else
- return 0;
- } else
- return 0;
-
- arg = endp+1;
- }
-}
-
-
-command_ret_t do_pin(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
-{
- char printheader = 1;
- int pinarg[PIN_MAX];
- int pinargc;
-
- (void) cmdtp; (void) flag;
-
- /* reset getopt() */
- optind = 1;
-
- int opt;
- while ((opt = getopt(argc, argv, PSTR("s"))) != -1) {
- switch (opt) {
- case 's':
- printheader = 0;
- break;
- default: /* '?' */
- return CMD_RET_USAGE;
- }
- }
-
- /* remaining arguments */
- argc -= optind;
-
- if (argc == 0)
- /* print cofig of all pins */
- for (pinargc = 0; pinargc < PIN_MAX; pinargc++)
- pinarg[pinargc] = pinargc;
- else {
- /* get first arg */
- pinargc = pinarg_get(argv[optind++], pinarg);
- if (pinargc == 0)
- return CMD_RET_USAGE;
- else
- argc--;
- }
-
- if (argc == 0) {
- /* no more args, print config */
- if (pinargc == 1)
- print_pin(pinarg[0], 0);
- else {
- if (printheader)
- printf_P(PSTR("Pin Config Level Divider Frequency/Hz\n"
- "-----------------------------------------\n"));
- for (int i = 0; i < pinargc; i++)
- print_pin(pinarg[i], 1);
- }
- return CMD_RET_SUCCESS;
- }
-
- /* arguments must be in pairs: pins conf */
- if (argc % 2 != 1)
- return CMD_RET_USAGE;
-
- while (argc > 0) {
- char *endp;
- pinmode_t mode = NONE;
- int level = 0;
- unsigned long value = 0;
- uint8_t hz_flag = 0;
-
- switch (toupper(argv[optind][0])) {
- case 'H':
- level = 1;
- case 'L':
- mode = OUTPUT;
- break;
- case 'P':
- mode = INPUT_PULLUP;
- break;
- case 'I':
- case 'T':
- mode = INPUT;
- break;
-
- default:
- value = strtoul(argv[optind], &endp, 10);
- switch (*endp) {
- case 'M':
- value *= 1000;
- case 'K':
- value *= 1000;
- endp++;
- }
-
- if (*endp && strcmp_P(endp, PSTR("Hz")) == 0) {
- hz_flag = 1;
- endp += 2;
- }
-
- if (*endp != '\0') {
- printf_P(PSTR("invalid parameter: '%s'\n"), argv[optind]);
- return CMD_RET_USAGE;
- }
-
- if (value == 0) {
- printf_P(PSTR("invalid value: %lu \n"));
- return CMD_RET_USAGE;
- }
-
- if (hz_flag) {
- if (value > F_CPU / 2) {
- printf_P(PSTR("Max frequency is: %luHz\n"), F_CPU/2);
- return CMD_RET_USAGE;
- }
- value = F_CPU/value;
- }
- mode = OUTPUT_TIMER;
-
- }
-
- if (mode == NONE)
- return CMD_RET_USAGE;
-
- for (int i = 0; i < pinargc; i++) {
- switch (mode) {
- case OUTPUT:
- pin_write(pinarg[i], level);
- /* fall thru */
- case INPUT:
- case INPUT_PULLUP:
- pin_config(pinarg[i], mode);
- break;
- case OUTPUT_TIMER:
- if (pin_clockdiv_set(pinarg[i], value) < 0) {
- printf_P(PSTR("Setting pin %d to %lu failed.\n"),
- pinarg[i], value);
- }
- break;
- default:
- break;
- }
- }
-
- optind++;
- pinargc = pinarg_get(argv[optind++], pinarg);
- argc -= 2;
- }
-
- return CMD_RET_SUCCESS;
-}
-