From 3fb7cae1a71c87c719894d220bd4a0651a9402e7 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Wed, 6 Feb 2013 22:00:08 +0000
Subject: entire code now uses stdin and stdout (no stdio any more)

git-svn-id: https://svn.spreadspace.org/avr/trunk@137 aa12f405-d877-488e-9caf-2d797e2a1cc7
---
 usb-i2c-sl018/sl018.c | 44 +++++++++++++++++++++++---------------------
 1 file changed, 23 insertions(+), 21 deletions(-)

(limited to 'usb-i2c-sl018/sl018.c')

diff --git a/usb-i2c-sl018/sl018.c b/usb-i2c-sl018/sl018.c
index 7127f12..68d8745 100644
--- a/usb-i2c-sl018/sl018.c
+++ b/usb-i2c-sl018/sl018.c
@@ -20,8 +20,10 @@
  *  You should have received a copy of the GNU General Public License
  *  along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
  */
+
 #include "sl018.h"
 #include "LUFA/Drivers/Peripheral/TWI.h"
+#include <stdio.h>
 
 #define SL018_TWI_ADDR  0xA0
 #define SL018_TAG_STA_PIN PIND
@@ -149,78 +151,78 @@ uint8_t sl018_cmd_raw(const uint8_t* twi_send_buf, bool wait_for_answer)
   return 0;
 }
 
-uint8_t sl018_reset(FILE * stdio)
+uint8_t sl018_reset(void)
 {
   if(sl018_cmd_raw(SL018_CMD_ComReset, 0)) {
-    fprintf(stdio, "I2C error\n\r");
+    printf("I2C error\n\r");
     return 1;
   }
   return 0;
 }
 
-uint8_t sl018_cmd(const uint8_t* twi_send_buf, FILE * stdio)
+uint8_t sl018_cmd(const uint8_t* twi_send_buf)
 {
   if(sl018_cmd_raw(twi_send_buf, 1)) {
-    fprintf(stdio, "I2C error\n\r");
+    printf("I2C error\n\r");
     return 1;
   } else {
     if(twi_recv_msg->len < 2) {
-      fprintf(stdio,"SL018 Cmd,Error: short message received\n\r");
+      printf("SL018 Cmd,Error: short message received\n\r");
       return 1;
     }
     if(twi_recv_msg->status) {
-      fprintf(stdio,"SL018 Cmd,Error: '%s','%s'\n\r",SL018_cmd_tostring(twi_recv_msg->command),SL018_status_tostring(twi_recv_msg->status));
+      printf("SL018 Cmd,Error: '%s','%s'\n\r",SL018_cmd_tostring(twi_recv_msg->command),SL018_status_tostring(twi_recv_msg->status));
       return 1;
     }
     sl018_message_t * twi_send_msg = (sl018_message_t *)twi_send_buf;
     if(twi_send_msg->command != twi_recv_msg->command) {
-      fprintf(stdio,"SL018 Cmd,Error: mismatch of sent and received command code: %02X,%02X\n\r",twi_send_msg->command,twi_recv_msg->command);
+      printf("SL018 Cmd,Error: mismatch of sent and received command code: %02X,%02X\n\r",twi_send_msg->command,twi_recv_msg->command);
     }
   }
   return 0;
 }
 
-void sl018_read_card_uid(uid_t * uid, FILE * stdio) 
+void sl018_read_card_uid(uid_t * uid)
 { 
   uid->length=0;
   uid->buffer=NULL;
-  fprintf(stdio, "CARD IN: "); 
-  if(!sl018_cmd(SL018_CMD_ComSelectCard,stdio)) 
+  printf( "CARD IN: "); 
+  if(!sl018_cmd(SL018_CMD_ComSelectCard)) 
   { 
     uint8_t uid_len = twi_recv_msg->len - sizeof(twi_recv_msg->command) - sizeof(twi_recv_msg->status) - 1; 
     if(uid_len == 255 || uid_len > MAX_UID_LEN) { 
-      fprintf(stdio," received UID length (%d) is to big for keystore \n\r", uid_len); 
+      printf(" received UID length (%d) is to big for keystore \n\r", uid_len); 
       return; 
     } 
     uint8_t type = twi_recv_msg->data[uid_len]; 
     uint8_t expected_uid_len = SL018_tagtype_to_uidlen(type); 
     if(expected_uid_len != uid_len) { 
-      fprintf(stdio," Invalid uid length (%d) for tag type: %s\n\r", uid_len, SL018_tagtype_tostring(type)); 
+      printf(" Invalid uid length (%d) for tag type: %s\n\r", uid_len, SL018_tagtype_tostring(type)); 
       return; 
     }     
  
     for (uint8_t pos=0; pos<uid_len; pos++) 
-      fprintf(stdio,"%02X",twi_recv_msg->data[uid_len-pos-1]); 
-    fprintf(stdio, ", %s\n\r", SL018_tagtype_tostring(type)); 
+      printf("%02X",twi_recv_msg->data[uid_len-pos-1]); 
+    printf( ", %s\n\r", SL018_tagtype_tostring(type)); 
  
     if (0 < type && type < 7) { 
       uid->length= uid_len;
       uid->buffer=twi_recv_msg->data; 
     } else { 
-      fprintf(stdio,"Ignoring unknown card type %02x\n\r",type); 
+      printf("Ignoring unknown card type %02x\n\r",type); 
     } 
   }   
 } 
  
-void sl018_set_led(uint8_t on,FILE * stdio)
+void sl018_set_led(uint8_t on)
 {
   if(on)
-   sl018_cmd(SL018_CMD_ComRedLedOn,stdio);
+   sl018_cmd(SL018_CMD_ComRedLedOn);
   else
-   sl018_cmd(SL018_CMD_ComRedLedOff,stdio);
+   sl018_cmd(SL018_CMD_ComRedLedOff);
 }
 
-uint8_t sl018_check_for_new_card(FILE * stdio)
+uint8_t sl018_check_for_new_card(void)
 {
   static uint8_t card_status = 0;
   if(CARD_PRESENT != card_status) {
@@ -231,9 +233,9 @@ uint8_t sl018_check_for_new_card(FILE * stdio)
   return 0;
 }
 
-unsigned char * sl018_get_firmware_version(FILE * stdio)
+unsigned char * sl018_get_firmware_version(void)
 {
-  if(!sl018_cmd(SL018_CMD_ComGetFirmwareVersion,stdio)) {
+  if(!sl018_cmd(SL018_CMD_ComGetFirmwareVersion)) {
    twi_recv_msg->data[sizeof(twi_recv_msg->data) - 1] = 0;
    return twi_recv_msg->data;
   } else {
-- 
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