jaro/bell-rspro
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Fix problem with start

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Jaro
2020-10-29 19:26:25 +01:00
parent 0852a2c83e
commit 27905dc590
2 changed files with 7 additions and 9 deletions
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4
Makefile
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@@ -1,4 +1,4 @@
VERSION = 0.0.7 VERSION = 0.0.11
# Global target; when 'make' is run without arguments, this is what it should do # Global target; when 'make' is run without arguments, this is what it should do
all: bell-mqtt-recv all: bell-mqtt-recv
@@ -35,4 +35,4 @@ clean:
rm bell-mqtt-recv -f *.o rm bell-mqtt-recv -f *.o
pack: pack:
tar cvzf ../bell-rspro-$(VERSION).tar.gz $(DEPS) $(SRC) Makefile bell-rspro.init tar cvzf ../bell-rspro-$(VERSION).tar.gz $(DEPS) $(SRC) Makefile Makefile.openwrt bell-rspro.init

12
gpiosysfs.c
View File

@@ -32,19 +32,17 @@ static void writeToFile(const char *absoluteFileName, const char *contents) {
} }
void gpioSetup(const char *pin) { void gpioSetup(const char *pin) {
// TODO only export if not already exported... char buf[64];
if (access("/sys/class/gpio/unexport",W_OK) == 0)
writeToFile("/sys/class/gpio/unexport", pin);
writeToFile("/sys/class/gpio/export", pin);
char buf[33];
struct stat statBuf; struct stat statBuf;
int pinExported = -1; int pinExported = -1;
sprintf(buf, "/sys/class/gpio/gpio%s/direction", pin); sprintf(buf, "/sys/class/gpio/gpio%s/direction", pin);
if (stat(buf, &statBuf) != 0)
writeToFile("/sys/class/gpio/export", pin);
// May have to briefly wait for OS to make symlink! // May have to briefly wait for OS to make symlink!
while (pinExported != 0) { while (pinExported != 0) {
msleep(1000); msleep(1000);
pinExported = stat(buf, &statBuf); pinExported = stat(buf, &statBuf);
} }