-static void
-get_bit(char *line, int i, char on, uint8_t bit, uint8_t *bits, uint8_t *masks)
-{
- if (line[i] == on) {
- *bits |= bit;
- *masks |= bit;
- return;
- }
- if (line[i] == '.') {
- *masks |= bit;
- return;
- }
- if (line[i] == '-') {
- return;
- }
- fprintf(stderr, "bad line %s\n", line);
- exit (1);
-}
-
-static char
-is_bit(uint8_t get, uint8_t mask, char on, uint8_t bit)
-{
- if (mask&bit) {
- if (get&bit)
- return on;
- else
- return '.';
- } else
- return '-';
-}
-
-static uint8_t
-ccdbg_write_read(struct ccdbg *dbg, uint8_t set, uint8_t mask)
-{
- uint8_t get = set;
-
- if (mask != (CC_DATA|CC_CLOCK|CC_RESET_N))
- get = ccdbg_read(dbg);
- ccdbg_write(dbg, mask, set);
- printf ("%c %c %c",
- is_bit(set, mask, 'C', CC_CLOCK),
- is_bit(set, mask, 'D', CC_DATA),
- is_bit(set, mask, 'R', CC_RESET_N));
- if (mask != (CC_DATA|CC_CLOCK|CC_RESET_N))
- printf(" -> %c %c %c",
- is_bit(get, 0xf, 'C', CC_CLOCK),
- is_bit(get, 0xf, 'D', CC_DATA),
- is_bit(get, 0xf, 'R', CC_RESET_N));
- printf("\n");
- ccdbg_half_clock(dbg);
- return get;
-}
-
-static void
-_ccdbg_debug_mode(struct ccdbg *dbg)
-{
- printf ("#\n");
- printf ("# Debug mode\n");
- printf ("#\n");
- ccdbg_write_read(dbg, CC_CLOCK|CC_DATA|CC_RESET_N, CC_CLOCK|CC_DATA|CC_RESET_N);
- ccdbg_write_read(dbg, CC_DATA , CC_CLOCK|CC_DATA|CC_RESET_N);
- ccdbg_write_read(dbg, CC_CLOCK|CC_DATA , CC_CLOCK|CC_DATA|CC_RESET_N);
- ccdbg_write_read(dbg, CC_DATA , CC_CLOCK|CC_DATA|CC_RESET_N);
- ccdbg_write_read(dbg, CC_CLOCK|CC_DATA , CC_CLOCK|CC_DATA|CC_RESET_N);
- ccdbg_write_read(dbg, CC_DATA|CC_RESET_N, CC_CLOCK|CC_DATA|CC_RESET_N);
-}
-
-static void
-_ccdbg_reset(struct ccdbg *dbg)
-{
- ccdbg_write_read(dbg, CC_CLOCK|CC_DATA|CC_RESET_N, CC_CLOCK|CC_DATA|CC_RESET_N);
- ccdbg_write_read(dbg, CC_CLOCK|CC_DATA , CC_CLOCK|CC_DATA|CC_RESET_N);
- ccdbg_write_read(dbg, CC_CLOCK|CC_DATA , CC_CLOCK|CC_DATA|CC_RESET_N);
- ccdbg_write_read(dbg, CC_CLOCK|CC_DATA|CC_RESET_N, CC_CLOCK|CC_DATA|CC_RESET_N);
-}
-
-static void
-_ccdbg_send_bit(struct ccdbg *dbg, uint8_t bit)
-{
- if (bit) bit = CC_DATA;
- ccdbg_write_read(dbg, CC_CLOCK|bit|CC_RESET_N, CC_CLOCK|CC_DATA|CC_RESET_N);
- ccdbg_write_read(dbg, bit|CC_RESET_N, CC_CLOCK|CC_DATA|CC_RESET_N);
-}
-
-static void
-_ccdbg_send_byte(struct ccdbg *dbg, uint8_t byte)
-{
- int bit;
- printf ("#\n");
- printf ("# Send Byte 0x%02x\n", byte);
- printf ("#\n");
- for (bit = 7; bit >= 0; bit--) {
- _ccdbg_send_bit(dbg, (byte >> bit) & 1);
- if (bit == 3)
- printf ("\n");
- }
-}
-
-static void
-_ccdbg_send_bits(struct ccdbg *dbg, int n, uint32_t bits)
-{
- int bit;
- printf ("#\n");
- printf ("# Send %d bits 0x%08x\n", n, bits);
- printf ("#\n");
- for (bit = n - 1; bit >= 0; bit--) {
- _ccdbg_send_bit(dbg, (bits >> bit) & 1);
- if ((bit & 3) == 3)
- printf ("\n");
- }
-}
-
-static void
-_ccdbg_print_bits(int n, uint32_t bits)
-{
- int bit;
-
- for (bit = n - 1; bit >= 0; bit--)
- printf ("%d", (bits >> bit) & 1);
-}