From e9c7ab4cfc82172a07c19a0c4877b4afd11412f8 Mon Sep 17 00:00:00 2001
From: Jean-François Milants <jf@codingfield.com>
Date: Sat, 6 Nov 2021 19:01:19 +0100
Subject: Add data validity check and retries in CST816S driver. See
 https://github.com/InfiniTimeOrg/InfiniTime/issues/763#issuecomment-962436976.

---
 src/drivers/Cst816s.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src/drivers/Cst816s.h')

diff --git a/src/drivers/Cst816s.h b/src/drivers/Cst816s.h
index 0fec8419..507dd4f5 100644
--- a/src/drivers/Cst816s.h
+++ b/src/drivers/Cst816s.h
@@ -21,7 +21,7 @@ namespace Pinetime {
         uint16_t y = 0;
         Gestures gesture = Gestures::None;
         bool touching = false;
-        bool isValid = true;
+        bool isValid = false;
       };
 
       Cst816S(TwiMaster& twiMaster, uint8_t twiAddress);
@@ -45,6 +45,8 @@ namespace Pinetime {
         return fwVersion;
       }
     private:
+      bool CheckDeviceIds();
+
       // Unused/Unavailable commented out
       static constexpr uint8_t gestureIndex = 1;
       static constexpr uint8_t touchPointNumIndex = 2;
@@ -58,6 +60,9 @@ namespace Pinetime {
       //static constexpr uint8_t touchXYIndex = 7;
       //static constexpr uint8_t touchMiscIndex = 8;
 
+      static constexpr uint8_t maxX = 240;
+      static constexpr uint8_t maxY = 240;
+
       TwiMaster& twiMaster;
       uint8_t twiAddress;
 
-- 
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