altos: Go back to recording sensor data in globalsmm-ms5611

Instead of trying to get things into the ring from a variety of
functions, go back to the simpler method of storing them in globals
and having the ADC code just pluck out the most recent values.

Signed-off-by: Keith Packard <keithp@keithp.com>

8 files changed, 19 insertions, 4 deletions

diff --git a/src/drivers/ao_hmc5883.c b/src/drivers/ao_hmc5883.c
index ade6c263..059fc2c8 100644
--- 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();
diff --git a/src/drivers/ao_hmc5883.h b/src/drivers/ao_hmc5883.h
index 55690978..ff2725eb 100644
--- a/src/drivers/ao_hmc5883.h
+++ b/src/drivers/ao_hmc5883.h
@@ -79,6 +79,8 @@ struct ao_hmc5883_sample {
 	int16_t		x, y, z;
 };
 
+extern struct ao_hmc5883_sample	ao_hmc5883_current;
+
 void
 ao_hmc5883_init(void);
 
diff --git a/src/drivers/ao_mma655x.c b/src/drivers/ao_mma655x.c
index 005bc684..18c5317c 100644
--- a/src/drivers/ao_mma655x.c
+++ b/src/drivers/ao_mma655x.c
@@ -250,12 +250,14 @@ __code struct ao_cmds ao_mma655x_cmds[] = {
 	{ 0, NULL },
 };
 
+uint16_t	ao_mma655x_current;
+
 static void
 ao_mma655x(void)
 {
 	ao_mma655x_setup();
 	for (;;) {
-		ao_data_ring[ao_data_head].mma655x = ao_mma655x_value();
+		ao_mma655x_current = ao_mma655x_value();
 		ao_arch_critical(
 			AO_DATA_PRESENT(AO_DATA_MMA655X);
 			AO_DATA_WAIT();
diff --git a/src/drivers/ao_mma655x.h b/src/drivers/ao_mma655x.h
index 9c0c59dc..2d951e07 100644
--- a/src/drivers/ao_mma655x.h
+++ b/src/drivers/ao_mma655x.h
@@ -78,6 +78,7 @@
 #define AO_MMA655X_COUNT	0x15
 #define AO_MMA655X_OFFCORR	0x16
 
+extern uint16_t	ao_mma655x_current;
 
 void
 ao_mma655x_init(void);
diff --git a/src/drivers/ao_mpu6000.c b/src/drivers/ao_mpu6000.c
index b3e284e0..49596705 100644
--- a/src/drivers/ao_mpu6000.c
+++ b/src/drivers/ao_mpu6000.c
@@ -240,13 +240,15 @@ ao_mpu6000_setup(void)
 	ao_mpu6000_configured = 1;
 }
 
+struct ao_mpu6000_sample	ao_mpu6000_current;
+
 static void
 ao_mpu6000(void)
 {
 	ao_mpu6000_setup();
 	for (;;)
 	{
-		ao_mpu6000_sample((struct ao_mpu6000_sample *) &ao_data_ring[ao_data_head].mpu6000);
+		ao_mpu6000_sample(&ao_mpu6000_current);
 		ao_arch_critical(
 			AO_DATA_PRESENT(AO_DATA_MPU6000);
 			AO_DATA_WAIT();
diff --git a/src/drivers/ao_mpu6000.h b/src/drivers/ao_mpu6000.h
index ca76b081..ab36d6f2 100644
--- a/src/drivers/ao_mpu6000.h
+++ b/src/drivers/ao_mpu6000.h
@@ -155,6 +155,8 @@ struct ao_mpu6000_sample {
 	int16_t		gyro_z;
 };
 
+extern struct ao_mpu6000_sample	ao_mpu6000_current;
+
 void
 ao_mpu6000_init(void);
 
diff --git a/src/drivers/ao_ms5607.c b/src/drivers/ao_ms5607.c
index 3295baac..492199b8 100644
--- a/src/drivers/ao_ms5607.c
+++ b/src/drivers/ao_ms5607.c
@@ -207,13 +207,15 @@ ao_ms5607_convert(struct ao_ms5607_sample *sample, struct ao_ms5607_value *value
 	value->temp = TEMP;
 }
 
+struct ao_ms5607_sample	ao_ms5607_current;
+
 static void
 ao_ms5607(void)
 {
 	ao_ms5607_setup();
 	for (;;)
 	{
-		ao_ms5607_sample((struct ao_ms5607_sample *) &ao_data_ring[ao_data_head].ms5607_raw);
+		ao_ms5607_sample(&ao_ms5607_current);
 		ao_arch_critical(
 			AO_DATA_PRESENT(AO_DATA_MS5607);
 			AO_DATA_WAIT();
diff --git a/src/drivers/ao_ms5607.h b/src/drivers/ao_ms5607.h
index e9c364d9..4c29f6a7 100644
--- a/src/drivers/ao_ms5607.h
+++ b/src/drivers/ao_ms5607.h
@@ -56,6 +56,8 @@ struct ao_ms5607_value {
 	int32_t		temp;	/* in °C * 100 */
 };
 
+extern struct ao_ms5607_sample	ao_ms5607_current;
+
 void
 ao_ms5607_init(void);