From 175867196214b456738a464f8f8a9b580aa83a3c Mon Sep 17 00:00:00 2001
From: Kristjan Komlosi <kristjan.komlosi@gmail.com>
Date: Thu, 18 Jul 2019 09:06:41 +0200
Subject: [PATCH] asserts and error checking

---
 tinio/tinio.c | 28 +++++++++++++++++++++++-----
 1 file changed, 23 insertions(+), 5 deletions(-)

diff --git a/tinio/tinio.c b/tinio/tinio.c
index 328de9d..d60e43f 100644
--- a/tinio/tinio.c
+++ b/tinio/tinio.c
@@ -4,10 +4,14 @@
 #include <assert.h>
 #include "header/CyUSBSerial.h"
 #include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
 
 typedef enum inErr {
-  USAGE = 0,
-  INVALID
+  SUCCESS = 0,
+  USAGE,
+  INVALID,
+  NO_DEVICES
 } inErr;
 
 void cyErrHandler(CY_RETURN_STATUS err);
@@ -16,14 +20,18 @@ void inErrHandler(inErr err);
 bool setPin(CY_HANDLE h, int pinNumber, bool value) {
   assert(pinNumber <= 11); // sanity checks, should be sanitized in the parser
   assert(pinNumber >=0);
-  CY_RETURN_STATUS err = CySetGpioValue(h, pinNumber, value);
-  if (err) cyErrHandler(err);
+  CY_RETURN_STATUS r = CySetGpioValue(h, pinNumber, value);
+  if (r != CY_SUCCESS) cyErrHandler(r);
   return value;
 }
 
 bool getPin(CY_HANDLE h, int pinNumber){
   assert(pinNumber <= 11); // sanity checks, should be sanitized in the parser
   assert(pinNumber >=0);
+  uint8_t v;
+  CY_RETURN_STATUS r = CyGetGpioValue(h, pinNumber, &v);
+  if (r != CY_SUCCESS) cyErrHandler(r);
+  return (bool)v;
 }
 
 bool flpPin(CY_HANDLE h, int pinNumber) {
@@ -37,4 +45,14 @@ bool flpPin(CY_HANDLE h, int pinNumber) {
 
 
 void parser(int argc, char **args);
-int main(int argc, char **args);
+
+inErr attachHandles() {
+  
+}
+
+int main(int argc, char **args){
+  CY_RETURN_STATUS r = CyLibraryInit();
+  if (r != CY_SUCCESS) cyErrHandler(r);
+
+
+}