diff options
| author | Bernhard Tittelbach <xro@realraum.at> | 2013-11-16 22:04:52 +0000 |
|---|---|---|
| committer | Bernhard Tittelbach <xro@realraum.at> | 2013-11-16 22:04:52 +0000 |
| commit | e620b94a707aacaef0a4d612f25a75cb332c56ee (patch) | |
| tree | 2661d4fc70b6edac4b20bd2ec485adfda8f1ccb8 | |
| parent | run over limit to avoid wrong manual movement detection (diff) | |
gas leak alarm
git-svn-id: https://svn.spreadspace.org/avr/trunk@247 aa12f405-d877-488e-9caf-2d797e2a1cc7
| -rw-r--r-- | usb-ajar/usb-ajar.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/usb-ajar/usb-ajar.c b/usb-ajar/usb-ajar.c index c6ccee5..507c87f 100644 --- a/usb-ajar/usb-ajar.c +++ b/usb-ajar/usb-ajar.c @@ -104,11 +104,17 @@ int main(void) PIN_HIGH(PORTB, PINB1); PINMODE_INPUT(DDRB, PINB1); + PIN_HIGH(PORTB, PINB0); + PINMODE_INPUT(DDRB, PINB0); + PIN_LOW(PORTD, PIND7); + PINMODE_OUTPUT(DDRD, PIND7); owi_init(PINC4, &PINC); char door_ajar = 0; char last_door_ajar = 0; + char gas_leak = 0; + char last_gas_leak = 0; num_temp_sensors_ = ds1820_discover(); uint16_t ms_elapsed = 0; @@ -139,6 +145,13 @@ int main(void) led2_off(); } } + gas_leak = ! (PINB & _BV(PINB0)); + if (gas_leak != last_gas_leak) + { + if (gas_leak) + printf("GasLeakAlert\r\n"); + last_gas_leak = gas_leak; + } anyio_task(); if (door_ajar) { @@ -155,6 +168,8 @@ int main(void) if (ms_elapsed & (1<<14)) { + if (gas_leak) + printf("GasLeakAlert\r\n"); ms_elapsed = 0; tempToUSB(12); } |