slp/aldl_pi
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Logic 0 is ALDL 1. Oops.

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This commit is contained in:
Solomon Peachy 2019-02-01 16:42:19 -05:00
parent 4479ad454c
commit 3d07cdeb23
1 changed files with 5 additions and 2 deletions
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7
aldl_pi.c
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@ -42,7 +42,7 @@ static char *datalog_fname = "DATALOG.csv";
int readbit(void)
{
return digitalRead(ALDL_PIN_IN);
return !digitalRead(ALDL_PIN_IN); /* Logic low is ALDL '1' */
}
void delayfn(int ms)
{
@ -54,9 +54,12 @@ int main (int argc, char **argv)
{
int run = 1;
/* Set up RPi GPIO */
wiringPiSetup();
/* Set highest possible priority */
piHiPri(99);
/* Set up RPi GPIO */
pinMode(ALDL_PIN_IN, INPUT);
pullUpDnControl(ALDL_PIN_IN, PUD_DOWN);