From 108253a1167627288a06654fff1f5ce1351a9b00 Mon Sep 17 00:00:00 2001
From: Othmar Gsenger <otti@wirdorange.org>
Date: Sun, 27 Jan 2013 16:59:22 +0000
Subject: usb-i2c-sl018 added lufa i2c tests (non working)

git-svn-id: https://svn.spreadspace.org/avr/trunk@66 aa12f405-d877-488e-9caf-2d797e2a1cc7
---
 usb-i2c-sl018/tuer-rfid.c | 63 +++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 56 insertions(+), 7 deletions(-)

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

diff --git a/usb-i2c-sl018/tuer-rfid.c b/usb-i2c-sl018/tuer-rfid.c
index 4aebb28..e59b65c 100644
--- a/usb-i2c-sl018/tuer-rfid.c
+++ b/usb-i2c-sl018/tuer-rfid.c
@@ -33,6 +33,29 @@
 #include "util.h"
 #include "led.h"
 
+#include "LUFA/Drivers/Peripheral/TWI.h"
+
+//const uint8_t SL018_ADDR = B10100000:
+const uint8_t SL018_ADDR = 0xa0;
+const uint8_t SL018_WRITE = 0;
+const uint8_t SL018_READ  = 1;
+//============================================
+//  Command List, preamble + length + command 
+//============================================
+
+const unsigned char SL018CMD_ComSelectCard[]          ={1,1};                                               
+const unsigned char SL018CMD_ComLoginSector0[]        ={9,2,0+2,0xAA,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
+const unsigned char SL018CMD_ComReadBlock1[]          ={2,3,1+8};       
+const unsigned char SL018CMD_ComWriteBlock1[]         ={18,4,1+8,0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF};
+const unsigned char SL018CMD_ComIntiPurse1[]          ={6,6,1+8,0x78,0x56,0x34,0x12};                               
+const unsigned char SL018CMD_ComReadPurse1[]          ={2,5,1+8};       
+const unsigned char SL018CMD_ComIncrPurse1[]          ={6,8,1+8,0x02,0x00,0x00,0x00};                                
+const unsigned char SL018CMD_ComDecrPurse1[]          ={6,9,1+8,0x01,0x00,0x00,0x00};                                
+const unsigned char SL018CMD_ComCopyValue[]           ={3,0x0A,1+8,2+8};
+const unsigned char SL018CMD_ComReadUltralightPage5[] ={2,0x10,0x05};
+const unsigned char SL018CMD_ComWriteUltralightPage5[]={6,0x11,0x05,0x12,0x34,0x56,0x78};
+const unsigned char SL018CMD_ComRedLedOn[]            ={2,0x40,1};
+const unsigned char SL018CMD_ComRedLedOff[]           ={2,0x40,0};
 /*
              LUFA Library
      Copyright (C) Dean Camera, 2012.
@@ -74,6 +97,24 @@ void EVENT_USB_Device_ControlRequest(void)
 }
 /* end LUFA CDC-ACM specific definitions*/
 
+unsigned char sl018_send_buffer(const unsigned char * buffer)
+{
+    uint8_t len = 0;
+    uint8_t pos = 0;
+    unsigned char ret;
+    len = buffer[0];
+    if (TWI_StartTransmission(SL018_ADDR | SL018_WRITE,10) == TWI_ERROR_NoError)
+    {
+        for(pos=0; pos<=len; pos++)
+          TWI_SendByte(buffer[pos]);
+        // Must stop transmission afterwards to release the bus
+        TWI_StopTransmission();
+    } else {
+     return 1;
+    }
+    return 0;
+}
+
 void handle_cmd(uint8_t cmd)
 {
   switch(cmd) {
@@ -81,12 +122,19 @@ void handle_cmd(uint8_t cmd)
   case '1': led_on(); break;
   case 't': led_toggle(); break;
   case 'r': reset2bootloader(); break;
+  case '3': 
+           if(sl018_send_buffer(SL018CMD_ComRedLedOff))
+           {
+             led_toggle();
+           }
+           break;
   default: CDC_Device_SendString(&VirtualSerial_CDC_Interface, "error\n"); return;
   }
   CDC_Device_SendString(&VirtualSerial_CDC_Interface, "ok\n");
 }
 
-static void PCint()
+
+static void PCint(void)
 {
   if( (TAG_STA_PIN >> TAG_STA_BIT) & 1)
     led_on();
@@ -97,12 +145,12 @@ static void PCint()
 SIGNAL(PCINT0_vect) {
   PCint();
 }
-SIGNAL(PCINT1_vect) {
-  PCint();
-}
-SIGNAL(PCINT2_vect) {
-  PCint();
-}
+//SIGNAL(PCINT1_vect) {
+//  PCint();
+//}
+//SIGNAL(PCINT2_vect) {
+//  PCint();
+//}
 
 
 int main(void)
@@ -118,6 +166,7 @@ int main(void)
   cpu_init();
   led_init();
   USB_Init();
+  TWI_Init(TWI_BIT_PRESCALE_1, TWI_BITLENGTH_FROM_FREQ(1, 200000));
   sei();
 
   for(;;) {
-- 
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