# HG changeset patch
# User Ethan Zonca <ez@ethanzonca.com>
# Date 2014-08-23 23:41:03
# Node ID 7c9cefbe270260e8aa626ad55cd945d98722ce15
# Parent  7e85f405b6d0814c13d3a574284616b8b5d57709

PID setting now more user friendly

diff --git a/main.c b/main.c
--- a/main.c
+++ b/main.c
@@ -247,6 +247,20 @@ enum state {
 };
 
 
+void draw_setpoint() {
+    char tempstr[3];
+    itoa_fp(temp, temp_frac, tempstr);
+    ssd1306_DrawString("    ", 3, 40);
+    ssd1306_DrawString(tempstr, 3, 40);
+    ssd1306_DrawString("-> ", 3, 40);
+    itoa(setpoint, tempstr);
+    ssd1306_DrawString("    ", 3, 70);
+    ssd1306_DrawString(tempstr, 3, 70);
+}
+ 
+
+
+
 uint8_t state = STATE_IDLE;
 uint8_t goto_mode = 2;
 
@@ -264,7 +278,7 @@ void machine()
             // [ therm :: idle ]
             ssd1306_DrawString("therm :: idle ", 0, 40);
 
-            char tempstr[5];
+            char tempstr[6];
             itoa_fp(temp, temp_frac, tempstr);
             ssd1306_DrawString("Temp: ", 3, 40);
             ssd1306_DrawString("    ", 3, 70);
@@ -418,6 +432,7 @@ void machine()
             // [ therm : preheating brew ]
             // [ 30 => 120 C             ]
             ssd1306_DrawString("Preheating...", 0, 40);
+            draw_setpoint();
 
             // Button handler
             if(!GPIO_ReadInputDataBit(SW_BTN)) {
@@ -437,7 +452,7 @@ void machine()
             // [ therm : ready to brew ]
             // [ 30 => 120 C           ]
             ssd1306_DrawString("Ready to Brew!", 0, 40);
-
+            draw_setpoint();
 
             // Button handler
             if(!GPIO_ReadInputDataBit(SW_BTN)) {
@@ -455,6 +470,7 @@ void machine()
             // [ therm : preheating steam ]
             // [ 30 => 120 C           ]
             ssd1306_DrawString("Preheating...", 0, 40);
+            draw_setpoint();
 
             // Button handler
             if(!GPIO_ReadInputDataBit(SW_BTN)) {
@@ -474,6 +490,7 @@ void machine()
             // [ therm : ready to steam ]
             // [ 30 => 120 C            ]
             ssd1306_DrawString("Ready to Steam!", 0, 40);
+            draw_setpoint();
 
             // Button handler
             if(!GPIO_ReadInputDataBit(SW_BTN)) {