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/*
* spreadspace avr utils
*
*
* Copyright (C) 2012 Christian Pointner <equinox@spreadspace.org>
*
* This file is part of spreadspace avr utils.
*
* spreadspace avr utils is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* spreadspace avr utils is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* 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/>.
*/
#define TAG_STA_PIN PINB
#define TAG_STA_BIT 4
#define PIN_B_INTERRUPT 1<<TAG_STA_BIT
//#define PIN_C_INTERRUPT 0
//#define PIN_D_INTERRUPT 0
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/interrupt.h>
#include <avr/power.h>
#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.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
#include <LUFA/Drivers/USB/USB.h>
#include "lufa-descriptor-usbserial.h"
USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =
{
.Config =
{
.ControlInterfaceNumber = 0,
.DataINEndpointNumber = CDC_TX_EPNUM,
.DataINEndpointSize = CDC_TXRX_EPSIZE,
.DataINEndpointDoubleBank = false,
.DataOUTEndpointNumber = CDC_RX_EPNUM,
.DataOUTEndpointSize = CDC_TXRX_EPSIZE,
.DataOUTEndpointDoubleBank = false,
.NotificationEndpointNumber = CDC_NOTIFICATION_EPNUM,
.NotificationEndpointSize = CDC_NOTIFICATION_EPSIZE,
.NotificationEndpointDoubleBank = false,
},
};
void EVENT_USB_Device_ConfigurationChanged(void)
{
CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface);
}
void EVENT_USB_Device_ControlRequest(void)
{
CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);
}
/* 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) {
case '0': led_off(); break;
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(void)
{
if( (TAG_STA_PIN >> TAG_STA_BIT) & 1)
led_on();
else
led_off();
}
SIGNAL(PCINT0_vect) {
PCint();
}
//SIGNAL(PCINT1_vect) {
// PCint();
//}
//SIGNAL(PCINT2_vect) {
// PCint();
//}
int main(void)
{
MCUSR &= ~(1 << WDRF);
wdt_disable();
PCMSK0=PIN_B_INTERRUPT;
//PCMSK1=PIN_C_INTERRUPT;
//PCMSK2=PIN_D_INTERRUPT;
PCICR|=1<<PCIE0;
cpu_init();
led_init();
USB_Init();
TWI_Init(TWI_BIT_PRESCALE_1, TWI_BITLENGTH_FROM_FREQ(1, 200000));
sei();
for(;;) {
int16_t BytesReceived = CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface);
while(BytesReceived > 0) {
int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
if(!(ReceivedByte < 0)) {
handle_cmd(ReceivedByte);
}
BytesReceived--;
}
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
USB_USBTask();
}
}
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