altos: Check for MS5607 MISO low before sleeping

[fw/altos] / src / attiny / ao_arch_funcs.h

diff --git a/src/attiny/ao_arch_funcs.h b/src/attiny/ao_arch_funcs.h
index 76dc7820a0d2460d583b74696a28d993bd1e8079..d4584a9fc1eeeb2dd028948ce3d78e427acd57ee 100644 (file)
--- a/src/attiny/ao_arch_funcs.h
+++ b/src/attiny/ao_arch_funcs.h
@@ -41,6 +41,8 @@
                        PORTB &= ~(1 << bit);   \
        } while (0)
 
+#define ao_gpio_get(port, bit, pin)    ((PORTB >> (bit)) & 1)
+
 /*
  * The SPI mutex must be held to call either of these
  * functions -- this mutex covers the entire SPI operation,