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Fix #115: wake from light sleep if a character arrives on the serial port

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Note - we do this not by using the uart wake feature, but by the lower
power GPIO edge feature.  Recommend sending "Z" 0x5A - because that has
many edges.  Send the character 4 times to make sure the device is awake
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geeksville
2020-06-10 14:36:11 -07:00
parent ddfdae64bf
commit 8ccd59a7d8
3 changed files with 20 additions and 1 deletions
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3
src/configuration.h
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@@ -258,7 +258,10 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifdef NO_ESP32
#define USE_SEGGER
#else
#define SERIAL0_RX_GPIO 3 // Always GPIO3 on ESP32
#endif
#ifdef USE_SEGGER
#include "SEGGER_RTT.h"
#define DEBUG_MSG(...) SEGGER_RTT_printf(0, __VA_ARGS__)