# HG changeset patch
# User Ethan Zonca <ez@ethanzonca.com>
# Date 2014-08-23 22:29:44
# Node ID f228963e487ab98184113c47b990bf59b071430b
# Parent  255811a3e69cf20fe87bbfe6f047acfb3b749a2a

Get fractional part

diff --git a/main.c b/main.c
--- a/main.c
+++ b/main.c
@@ -49,13 +49,6 @@ char* itoa(int16_t i, char b[]){
     return b;
 }
 
-
-int32_t round(double x) {
-    if (x >= 0)
-        return (long) (x+0.5);
-    return (long) (x-0.5);
-}
-
 static __IO uint32_t TimingDelay;
 
 // Move to header file
@@ -186,31 +179,10 @@ void process()
         temp = temp_pre;
     }
 
-
     // Deassert CS
     Delay(1);
     GPIO_SetBits(MAX_CS);
 
-
-    //////////////////////////
-    // Calc internal temp   //
-    //////////////////////////
-/*    temp = temp >> 4; // Drop last 4 bits, no need for them
-    float internal_temp = temp & 0x7FF // Lower 11bits are internal temp
-    
-    // Check internal temp sign
-    if(temp & 0x800) {
-        // Convert to negative value by extending sign and casting to signed type.
-        int16_t tmp = 0xF800 | (temp & 0x7FF);
-        internal_temp = tmp;
-    }
-    internal_temp *= 0.0625; // LSB = 0.0625 degrees
-    // Now we have a good internal temp!
-*/
-    //////////////////////////
-    // Calc external temp   //
-    //////////////////////////
-
     if(temp > 0) {
         GPIO_SetBits(LED_STAT);
     }
@@ -223,25 +195,8 @@ void process()
     ssd1306_DrawString("  ", 1, 90);
     ssd1306_DrawString(tempstr, 1, 90);
 
-/*
-    if((!retval || (temp & 0x2) != 0))
-    {
-        ssd1306_DrawString("!TempCOMMS", 3, 35);
-        //return; // Comms error - this is happening right now
-    }
-
-    else if((temp & 0x4)!= 0)
-    {
-        ssd1306_DrawString("!OpenThermocouple", 3, 40);
-        //return; // Open thermocouple
-    }
-
-    temp = (temp & 0x7FF8) >> 5;
-*/
-
     // TODO: Add calibration offset (linear)
 
-
     // Perform PID calculations
 
     // Write output to SSR
@@ -477,7 +432,7 @@ void init_spi(void)
     SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low; // From andysworkshop
     SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge; // same
     SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
-    SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_256;
+    SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_8;
     SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
     SPI_InitStructure.SPI_CRCPolynomial = 7;
     SPI_Init(SPI2, &SPI_InitStructure);