altos: Go back to recording sensor data in globals

[fw/altos] / src / drivers / ao_hmc5883.c

diff --git a/src/drivers/ao_hmc5883.c b/src/drivers/ao_hmc5883.c
index ade6c263d84236823d7d366cdb1c42b8b18348c8..059fc2c8d5fb85d75872d9325e34f341f50a5991 100644 (file)
--- a/src/drivers/ao_hmc5883.c
+++ b/src/drivers/ao_hmc5883.c
@@ -123,12 +123,14 @@ ao_hmc5883_setup(void)
        return 1;
 }
 
+struct ao_hmc5883_sample ao_hmc5883_current;
+
 static void
 ao_hmc5883(void)
 {
        ao_hmc5883_setup();
        for (;;) {
-               ao_hmc5883_sample((struct ao_hmc5883_sample *) &ao_data_ring[ao_data_head].hmc5883);
+               ao_hmc5883_sample(&ao_hmc5883_current);
                ao_arch_critical(
                        AO_DATA_PRESENT(AO_DATA_HMC5883);
                        AO_DATA_WAIT();