altoslib: Add Ms5607 constructor that just takes config_data

Use for making Ms5607 from eeprom files.

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

1 files changed, 9 insertions, 4 deletions

diff --git a/altoslib/AltosEepromFireTwo.java b/altoslib/AltosEepromFireTwo.java
index 14a026a9..16019c8c 100644
--- a/altoslib/AltosEepromFireTwo.java
+++ b/altoslib/AltosEepromFireTwo.java
@@ -49,13 +49,11 @@ public class AltosEepromFireTwo extends AltosEeprom {
 	private static final double r_below = 10000.0;
 	private static final double v_adc = 3.3;
 
-	private static double
-	firetwo_adc(int raw) {
+	private static double firetwo_adc(int raw) {
 		return raw / 4095.0;
 	}
 
-	private static double
-	adc_to_pa(int adc) {
+	public static double adc_to_pa(int adc) {
 
 		/* raw adc to processor voltage, then back through the
 		 * voltage divider to the sensor voltage
@@ -71,6 +69,13 @@ public class AltosEepromFireTwo extends AltosEeprom {
 		return AltosConvert.psi_to_pa(psi);
 	}
 
+	public static double adc_to_n(int adc) {
+		double v = firetwo_adc(adc);
+
+		/* this is a total guess */
+		return AltosConvert.lb_to_n(v * 298 * 9.807);
+	}
+
 	public void update_state(AltosState state) {
 		super.update_state(state);