*
* 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; version 2 of the License.
+ * 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
#define AO_RESET_LOW_DELAY AO_MS_TO_TICKS(100)
#define AO_RESET_HIGH_DELAY AO_MS_TO_TICKS(100)
-void
-ao_dbg_debug_mode(void)
+static void
+ao_dbg_send_bits_delay(uint8_t msk, uint8_t val)
{
- ao_dbg_set_pins();
- ao_dbg_long_delay();
- ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA|DBG_RESET_N);
- ao_dbg_long_delay();
- ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, 0 |DBG_DATA| 0 );
- ao_delay(AO_RESET_LOW_DELAY);
- ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA| 0 );
- ao_dbg_long_delay();
- ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, 0 |DBG_DATA| 0 );
ao_dbg_long_delay();
- ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA| 0 );
- ao_dbg_long_delay();
- ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, 0 |DBG_DATA|DBG_RESET_N);
- ao_delay(AO_RESET_HIGH_DELAY);
+ ao_dbg_send_bits(msk, val);
}
void
-ao_dbg_reset(void)
+ao_dbg_do_reset(uint8_t clock_up)
{
ao_dbg_set_pins();
- ao_dbg_long_delay();
- ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA|DBG_RESET_N);
- ao_dbg_long_delay();
- ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA| 0 );
+ ao_dbg_send_bits_delay(DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA|DBG_RESET_N);
+ ao_dbg_send_bits_delay(DBG_CLOCK|DBG_DATA|DBG_RESET_N, clock_up |DBG_DATA| 0 );
ao_delay(AO_RESET_LOW_DELAY);
- ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA| 0 );
- ao_dbg_long_delay();
- ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA| 0 );
- ao_dbg_long_delay();
- ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA| 0 );
- ao_dbg_long_delay();
- ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA|DBG_RESET_N);
+ ao_dbg_send_bits (DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA| 0 );
+ ao_dbg_send_bits_delay(DBG_CLOCK|DBG_DATA|DBG_RESET_N, clock_up |DBG_DATA| 0 );
+ ao_dbg_send_bits_delay(DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA| 0 );
+ ao_dbg_send_bits_delay(DBG_CLOCK|DBG_DATA|DBG_RESET_N, clock_up |DBG_DATA|DBG_RESET_N);
ao_delay(AO_RESET_HIGH_DELAY);
}
static void
debug_enable(void)
{
- ao_dbg_debug_mode();
+ /* toggle clock line while holding reset low */
+ ao_dbg_do_reset(0);
}
static void
debug_reset(void)
{
- ao_dbg_reset();
+ /* hold clock high while holding reset low */
+ ao_dbg_do_reset(DBG_CLOCK);
}
static void