altos: Shrink help text

[fw/altos] / src / ao_dbg.c

diff --git a/src/ao_dbg.c b/src/ao_dbg.c
index 2988aed4491eab019b5b65c4d5a0d827c3612002..14a123a274fce2e8a71c48840d1279c7e0df2b5c 100644 (file)
--- a/src/ao_dbg.c
+++ b/src/ao_dbg.c
@@ -164,6 +164,12 @@ ao_dbg_read_byte(void)
 static void
 ao_dbg_set_pins(void)
 {
 static void
 ao_dbg_set_pins(void)
 {

+       /* Make the DBG pins GPIOs. On TeleMetrum, this will
+        * disable the SPI link, so don't expect SPI to work after
+        * using the debugger.
+        */
+       DBG_PORT_SEL &= ~(DBG_CLOCK|DBG_DATA|DBG_RESET_N);
+

        /* make DBG_DATA tri-state */
        DBG_PORT_INP |= DBG_DATA;
 
        /* make DBG_DATA tri-state */
        DBG_PORT_INP |= DBG_DATA;
 


@@ -175,30 +181,54 @@ ao_dbg_set_pins(void)
        DBG_PORT_DIR &= ~DBG_DATA;
 }
 
        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)
 {
 
 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)
 {
 }
 
 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
 }
 
 static void


@@ -318,13 +348,13 @@ debug_output(void)
 }
 
 __code struct ao_cmds ao_dbg_cmds[7] = {
 }
 
 __code struct ao_cmds ao_dbg_cmds[7] = {

-       { 'D',  debug_enable,   "D                                  Enable debug mode" },
-       { 'G',  debug_get,      "G <count>                          Get data from debug port" },
-       { 'I',  debug_input,    "I <count> <addr>                   Input <count> bytes to target at <addr>" },
-       { 'O',  debug_output,   "O <count> <addr>                   Output <count> bytes to target at <addr>" },
-       { 'P',  debug_put,      "P <byte> ...                       Put data to debug port" },
-       { 'R',  debug_reset,    "R                                  Reset target" },
-       { 0, debug_reset,       0 },
+       { debug_enable, "D\0Enable debug" },
+       { debug_get,    "G <count>\0Get data" },
+       { debug_input,  "I <count> <addr>\0Input <count> at <addr>" },
+       { debug_output, "O <count> <addr>\0Output <count> at <addr>" },
+       { debug_put,    "P <byte> ...\0Put data" },
+       { debug_reset,  "R\0Reset" },
+       { 0, NULL },

 };
 
 void
 };
 
 void