From e3896d99a14bf95bd68b078da2bfb701af9580ba Mon Sep 17 00:00:00 2001
From: Jens Ahrensfeld <jens@jayfield.org>
Date: Wed, 3 Apr 2019 16:33:54 +0000
Subject: [PATCH] refined test

git-svn-id: http://moon:8086/svn/projects/HendiControl@213 fda53097-d464-4ada-af97-ba876c37ca34
---
 Control/brewpi/hendiCtrl.py | 96 ++++++++++++++++++++++++++++---------
 1 file changed, 73 insertions(+), 23 deletions(-)

diff --git a/Control/brewpi/hendiCtrl.py b/Control/brewpi/hendiCtrl.py
index c477d60..bad5e19 100644
--- a/Control/brewpi/hendiCtrl.py
+++ b/Control/brewpi/hendiCtrl.py
@@ -15,6 +15,14 @@ class HendiCtrl():
 
 		self.ser.timeout = 1.000
 		self.prompt = b':'
+		self.caps = {
+			"name"				: self.getSoftwareIdentifier(),
+			"ver"				: self.getSoftwareVersion(),
+			"pwr_watts_min"		: 500,
+			"pwr_watts_max"		: 3500,
+			"pwr_digits_min"	: 4095,
+			"pwr_digits_max"	: 0
+		}
 
 	def reset(self):
 		self.ser.dtr = True
@@ -85,19 +93,11 @@ class HendiCtrl():
 		return None
 	
 	def getCapabilties(self):
-		caps = {
-			"name"				: self.getSoftwareIdentifier(),
-			"ver"				: self.getSoftwareVersion(),
-			"pwr_watts_min"		: 500,
-			"pwr_watts_max"		: 3500,
-			"pwr_digits_min"	: 4095,
-			"pwr_digits_max"	: 0
-		}
-		return caps
+		return self.caps
 
 	def getInfo(self):
 		result = {
-			'caps'			: self.getCapabilties(),
+			'caps'			: self.caps,
 			'state'			: self.getState(),
 			'pwr_digits'	: self.getPowerDigits(),
 			'Switch_state'	: self.getSwitch()
@@ -137,30 +137,80 @@ class HendiCtrl():
 	def getSwitch(self):
 		return self.cmd("S?")
 
+	def setPowerWatts(self, power_watts):
+		pwr_watts_min = self.caps['pwr_watts_min']
+		pwr_watts_max = self.caps['pwr_watts_max']
+		pwr_digits_min = self.caps['pwr_digits_min']
+		pwr_digits_max = self.caps['pwr_digits_max']
+
+		pwr_watts_range = pwr_watts_max - pwr_watts_min
+		pwr_digits_range = pwr_digits_max - pwr_digits_min
+		digits_per_watt = pwr_digits_range/pwr_watts_range
+		pwr_digits  =  pwr_digits_min + digits_per_watt * (power_watts - pwr_watts_min)
+
+		max_digit = max(pwr_digits_max, pwr_digits_min)
+		min_digit = min(pwr_digits_max, pwr_digits_min)
+		pwr_digit = min(max_digit, max(min_digit, pwr_digits)) + 0.5
+
+		self.setPowerDigits(pwr_digits)
+
+	def getPowerWatts(self):
+		pwr_watts_min = self.caps['pwr_watts_min']
+		pwr_watts_max = self.caps['pwr_watts_max']
+		pwr_digits_min = self.caps['pwr_digits_min']
+		pwr_digits_max = self.caps['pwr_digits_max']
+
+		pwr_watts_range = pwr_watts_max - pwr_watts_min
+		pwr_digits_range = pwr_digits_max - pwr_digits_min
+		digits_per_watt = pwr_digits_range/pwr_watts_range
+
+		max_digit = max(pwr_digits_max, pwr_digits_min)
+		min_digit = min(pwr_digits_max, pwr_digits_min)
+		pwr_digit = int(self.getPowerDigits())
+
+		pwr_watts = (pwr_digit - pwr_digits_min)/digits_per_watt + pwr_watts_min
+
+		return int(pwr_watts)
+
 
 if __name__ == '__main__':
 
 	hendi = HendiCtrl('/dev/ttyUSB0', 115200)
 
-	hendi.firmware_update("HendiCtrl.srec")
-	hendi.reset()
-	time.sleep(0.5)
+#	hendi.firmware_update("HendiCtrl.srec")
+#	hendi.reset()
+	time.sleep(10)
 
 	hendi.getState()
 	hendi.getSoftwareIdentifier()
 	hendi.getSoftwareVersion()
-	hendi.setPower(1234)
-	hendi.setSwitch(1)
 
-	hendi.remoteEnable(True)
-	if hendi.isRemoteEnable():
-		switch_state = 1
-		for p in range(0, 4000, 10):
-			hendi.setPowerDigits(p)
-			hendi.setSwitch(switch_state)
-			switch_state = not switch_state
+	try:	
+		hendi.remoteEnable(True)
+		hendi.setSwitch(1)
+		for pwr in range(500, 3500, 100):
+			hendi.setPowerWatts(pwr)
+			time.sleep(0.1)
+			pw = hendi.getPowerWatts()
+			print("power_w", pw)
+			time.sleep(1.0)
 
-		hendi.remoteEnable(False)
+	except:
+		pass
+	
+	hendi.setSwitch(0)
+	hendi.remoteEnable(False)
+
+	if 0:
+		hendi.remoteEnable(True)
+		if hendi.isRemoteEnable():
+			hendi.setSwitch(True)
+			for p in range(0, 4096, 100):
+				hendi.setPowerDigits(p)
+				time.sleep(1)
+
+			hendi.setSwitch(False)
+			hendi.remoteEnable(False)
 
 	print ("End of program.")