From 452ecb5e9c0ad214cab6617c1a54a2edc55a6cd3 Mon Sep 17 00:00:00 2001
From: William Harrington <kb0iic@berzerkula.org>
Date: Thu, 1 Aug 2019 00:33:08 -0500
Subject: Adjust debug screen, change ldr to brtlvl and add brtlvl_chg to
 compare. Add macro for brtlvl to translate brightness levels 0-3.

---
 main.c | 18 ++++++++++--------
 main.h |  5 ++++-
 2 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/main.c b/main.c
index 8bb8554..c5235d1 100755
--- a/main.c
+++ b/main.c
@@ -1,5 +1,3 @@
-#include <stdio.h>                         // included for sprintf
-
 #include "conf.h"                          //Configuration settings
 #include "main.h"                          //Declarations for main
 #include "lcd.h"                           //Declaratons for LCD
@@ -19,6 +17,10 @@
 
 void main(void) {
     TRISA0 = 0x01; // RA is input (ADC)
+    
+    TRISBbits.TRISB0 = 0; // Set RB0 as output
+    PORTBbits.RB0 = 0; // Set RB0 low
+    
     TRISC = 0x00; // Set PORTC as outputs
     PORTC = 0x00; // Set all PORTC pins LOW
 
@@ -54,7 +56,7 @@ void main(void) {
 
     Lcd_Init();
 #ifdef DEBUG
-    UART_send_string(CURSOR(15, 23)); // Set cursor at line 15, column 23
+    UART_send_string(CURSOR(15, 24)); // Set cursor at line 15, column 24
     UART_send_string(GREEN); // Set Green
     UART_send_string("LCD Module Initialized and active\r\n");
     UART_send_string(CLRATTR); // No color
@@ -132,11 +134,11 @@ void main(void) {
 
 #ifdef ADC
         // Get current LDR reading and calculate for brightness levels 0 - 3
-        ldr = Adc_Read(0) / 256;
+        ldr = Adc_Read(0);
 
-        if (ldr_chg != ldr) {
-            Vfd_Set_Brightness(ldr);
-            ldr_chg = ldr;
+        if (brtlvl_chg != brtlvl) {
+            Vfd_Set_Brightness(brtlvl);
+            brtlvl_chg = brtlvl;
         }
 #endif
 
@@ -158,7 +160,7 @@ void main(void) {
         UART_send_string(buf);
         sprintf(buf, "%sTEMP:\t%s%c%c%c.%c%cC%s\t\t%sLDR:%s\t\%04d %d\r\n",
                 YELLOW, CLRATTR, temp_sign, temp_2, temp_1, temp_0, 0xB0,
-                CLRATTR, YELLOW, CLRATTR, ldr, ldr / 256);
+                CLRATTR, YELLOW, CLRATTR, ldr, brtlvl);
         UART_send_string(buf);
 #endif
     }
diff --git a/main.h b/main.h
index 39ca8b2..f7c707d 100755
--- a/main.h
+++ b/main.h
@@ -1,9 +1,11 @@
 #ifdef ADC
 // Initialize variable for LDR
 unsigned int ldr = 0;
-unsigned int ldr_chg = 0;
 #endif
 
+#define brtlvl ldr/256
+int brtlvl_chg = 0;
+
 // Initialize variables for date time and alarms
 unsigned int sec = 0;
 unsigned int min = 37;
@@ -42,6 +44,7 @@ alarm1_hour_0, alarm1_hour_1;
 unsigned char alarm2_min_0, alarm2_min_1, alarm2_hour_0, alarm2_hour_1;
 
 #ifdef DEBUG
+#include <stdio.h>                         // included for sprintf
 // Initialize a variable to use as a buffer for sprintf
 char buf[40];
 #endif
-- 
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