diff options
Diffstat (limited to 'src/ao_dbg.c')
| -rw-r--r-- | src/ao_dbg.c | 54 |
1 files changed, 39 insertions, 15 deletions
diff --git a/src/ao_dbg.c b/src/ao_dbg.c index 2988aed4..e7fbd7ad 100644 --- a/src/ao_dbg.c +++ b/src/ao_dbg.c @@ -175,30 +175,54 @@ ao_dbg_set_pins(void) DBG_PORT_DIR &= ~DBG_DATA; } -#define ao_reset_delay() ao_delay(AO_MS_TO_TICKS(20)) +static void +ao_dbg_long_delay(void) +{ + uint8_t n; + + for (n = 0; n < 20; n++) + _asm nop _endasm; +} + +#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) { - ao_dbg_set_pins(); ao_reset_delay(); - ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA|DBG_RESET_N); ao_reset_delay(); - ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA| 0 ); ao_reset_delay(); - ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, 0 |DBG_DATA| 0 ); ao_reset_delay(); - ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA| 0 ); ao_reset_delay(); - ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, 0 |DBG_DATA| 0 ); ao_reset_delay(); - ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA| 0 ); ao_reset_delay(); - ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA|DBG_RESET_N); ao_reset_delay(); - ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, 0 |DBG_DATA|DBG_RESET_N); ao_reset_delay(); + 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); } void ao_dbg_reset(void) { - ao_dbg_set_pins(); ao_reset_delay(); - ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA|DBG_RESET_N); ao_reset_delay(); - ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA| 0 ); ao_reset_delay(); - ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, DBG_CLOCK|DBG_DATA|DBG_RESET_N); ao_reset_delay(); - ao_dbg_send_bits(DBG_CLOCK|DBG_DATA|DBG_RESET_N, 0 |DBG_DATA|DBG_RESET_N); ao_reset_delay(); + 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_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_delay(AO_RESET_HIGH_DELAY); } static void |