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Limit I2C GPS retry rate to 1/500ms. Prevent I2C bus from being flooded by failed I2C transactions when no I2C-GPS is present

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Konstantin Sharlaimov (DigitalEntity) 2015-11-26 22:41:05 +10:00
parent ad3f5a8e3a
commit 77caedcda2
1 changed files with 7 additions and 0 deletions
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7
src/main/io/gps.c
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@ -402,6 +402,13 @@ bool gpsDetectI2C(void)
void gpsInitI2C(void)
{
static uint32_t lastRetryMillis = 0;
if ((millis() - lastRetryMillis) < 500)
return;
lastRetryMillis = millis();
switch(gpsData.state) {
case GPS_INITIALIZING:
case GPS_CHANGE_BAUD: