altos: Check for MS5607 MISO low before sleeping

[fw/altos] / src / drivers / ao_ms5607.c

diff --git a/src/drivers/ao_ms5607.c b/src/drivers/ao_ms5607.c
index 5259b2650c4c4ed4746025c0e5380b744dff42a9..58ab91973ce0b63b5a51c0e6b053a1b903d10fa8 100644 (file)
--- a/src/drivers/ao_ms5607.c
+++ b/src/drivers/ao_ms5607.c
@@ -22,7 +22,7 @@
 #if HAS_MS5607 || HAS_MS5611
 
 static __xdata struct ao_ms5607_prom   ms5607_prom;
-static uint8_t                 ms5607_configured;
+static __xdata uint8_t                 ms5607_configured;
 
 static void
 ao_ms5607_start(void) {
@@ -140,7 +140,8 @@ ao_ms5607_get_sample(uint8_t cmd) {
        ao_spi_put(AO_MS5607_SPI_INDEX);
 #endif
        ao_arch_block_interrupts();
-       while (!ao_ms5607_done)
+       while (!ao_gpio_get(AO_MS5607_MISO_PORT, AO_MS5607_MISO_PIN, AO_MS5607_MISO) &&
+              !ao_ms5607_done)
                ao_sleep((void *) &ao_ms5607_done);
        ao_arch_release_interrupts();
 #if AO_MS5607_PRIVATE_PINS
@@ -173,7 +174,7 @@ ao_ms5607_get_sample(uint8_t cmd) {
 #define AO_CONVERT_D2  token_evaluator(AO_MS5607_CONVERT_D2_, AO_MS5607_TEMP_OVERSAMPLE)
 
 void
-ao_ms5607_sample(struct ao_ms5607_sample *sample)
+ao_ms5607_sample(__xdata struct ao_ms5607_sample *sample)
 {
        sample->pres = ao_ms5607_get_sample(AO_CONVERT_D1);
        sample->temp = ao_ms5607_get_sample(AO_CONVERT_D2);
@@ -220,11 +221,11 @@ ao_ms5607_info(void)
 static void
 ao_ms5607_dump(void)
 {
-       struct ao_ms5607_value value;
+       __xdata struct ao_ms5607_value value;
 
        ao_ms5607_convert(&ao_ms5607_current, &value);
-       printf ("Pressure:    %8u %8d\n", ao_ms5607_current.pres, value.pres);
-       printf ("Temperature: %8u %8d\n", ao_ms5607_current.temp, value.temp);
+       printf ("Pressure:    %8lu %8ld\n", ao_ms5607_current.pres, value.pres);
+       printf ("Temperature: %8lu %8ld\n", ao_ms5607_current.temp, value.temp);
        printf ("Altitude: %ld\n", ao_pa_to_altitude(value.pres));
 }