X-Git-Url: http://git.rot13.org/?p=digitaldcpower;a=blobdiff_plain;f=hardware_settings.h-20V-1A;fp=hardware_settings.h-20V-1A;h=cce3cf7a4848f82ea4ee8d52df0fe30bb42e665f;hp=0000000000000000000000000000000000000000;hb=6ab9cf06f390d47de6fb94a6f1dec40826f5fcea;hpb=93791a25a42c0d48fa5a62c41d5907fae5829fee

diff --git a/hardware_settings.h-20V-1A b/hardware_settings.h-20V-1A
new file mode 100644
index 0000000..cce3cf7
--- /dev/null
+++ b/hardware_settings.h-20V-1A
@@ -0,0 +1,56 @@
+/*
+ * Hardware settings for the digital dc power supply
+ * http://www.tuxgraphics.org/electronics/
+ *
+ * In this file you can:
+ * - calibrate the ampere and voltmeter
+ * - choose your hardware type: 22V 2.5A or 30V 2.0A
+ *
+ *   The ADC has a resolution of 11 bit = values from 0-2047
+ */
+#ifndef CAL_HW_H
+#define CAL_HW_H
+
+
+/* ================= uncomment this section for the model 22V 2.5A */
+
+#define U_MAX 200
+#define I_MAX 100
+
+// internal adc ref voltage (should be 2.56V, can vary from uC to uC)
+#define ADC_REF 2.56
+
+// the divider R3/R4 [(R3+R4)/R4] (calibrate the voltmeter, lower value=higher output)
+#define U_DIVIDER 10.75
+
+// the shunt for current measurement, you can calibrate here the 
+// amperemeter.
+// 2*1.5Ohm 3W=0.75:
+#define I_RESISTOR 0.79
+// short circuit protection limit (do not change unless you know what you do):
+// 850=2.85A= (2.85A * 1023 * 0.75 / 2.56 )
+#define SH_CIR_PROT 850
+
+/* ================= uncomment this section for the model 30V 2.0A */
+
+
+//#define U_MAX 300
+//#define I_MAX 200
+
+// internal adc ref voltage (should be 2.56V, can vary from uC to uC)
+//#define ADC_REF 2.56
+
+// the divider R3/R4 [(R3+R4)/R4], you can calibrate here the voltmeter:
+//#define U_DIVIDER 13.24
+
+// the shunt for current measurement, you can calibrate here the 
+// amperemeter.
+// 2*1.5Ohm 3W=0.75:
+//#define I_RESISTOR 0.78
+
+// short circuit protection limit (do not change unless you know what you do):
+// 690=2.30A= (2.30A * 1023 * 0.75 / 2.56 )
+//#define SH_CIR_PROT 690
+
+#endif //CAL_HW_H
+