From d6c89d35e7982789d256c9a66c39685af537ebcc Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@mur.at>
Date: Tue, 5 Jun 2012 18:47:32 +0000
Subject: first working version of spi communication

git-svn-id: https://svn.spreadspace.org/mur.sat@503 7de4ea59-55d0-425e-a1af-a3118ea81d4c
---
 software/idm-test/idm-test.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'software/idm-test')

diff --git a/software/idm-test/idm-test.c b/software/idm-test/idm-test.c
index c72ab91..89363e6 100644
--- a/software/idm-test/idm-test.c
+++ b/software/idm-test/idm-test.c
@@ -104,7 +104,7 @@ void SetupHardware(void)
 
   TCCR0B = (1 << CS02);
 
-  SPI_Init(SPI_SPEED_FCPU_DIV_16  | SPI_MODE_MASTER | SPI_ORDER_MSB_FIRST | 
+  SPI_Init(SPI_SPEED_FCPU_DIV_8  | SPI_MODE_MASTER | SPI_ORDER_MSB_FIRST | 
            SPI_SCK_LEAD_RISING | SPI_SAMPLE_LEADING);
   SPI_CS_DDR |= (1<<CS);
   SPI_CS_PORT |= (1<<CS);
@@ -158,7 +158,7 @@ int main(void)
     int16_t BytesReceived = CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface);
     while(BytesReceived > 0) {
       int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
-      if (!(ReceivedByte < 0)) {
+      if (ReceivedByte >= 0) {
         switch(ReceivedByte) {
         case 'p': PWRDWN_PORT &= ~(1<<PWRDWN); break;
         case 'P': PWRDWN_PORT |= (1<<PWRDWN); break;
@@ -176,8 +176,8 @@ int main(void)
     if ((TIFR0 & (1 << TOV0)) || (BufferCount > (uint8_t)(sizeof(SPItoUSB_Buffer_Data) * .75))) {
       TIFR0 |= (1 << TOV0);
       while (BufferCount--) {
-        if (CDC_Device_SendByte(&VirtualSerial_CDC_Interface,
-                                RingBuffer_Peek(&SPItoUSB_Buffer)) != ENDPOINT_READYWAIT_NoError)
+        if(CDC_Device_SendByte(&VirtualSerial_CDC_Interface,
+                               RingBuffer_Peek(&SPItoUSB_Buffer)) != ENDPOINT_READYWAIT_NoError)
           break;
 
         RingBuffer_Remove(&SPItoUSB_Buffer);
-- 
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