From 2c997f95cb167e9023c1a44abaeda4ea80bbc7d3 Mon Sep 17 00:00:00 2001 From: Christian Pointner Date: Thu, 8 Aug 2013 22:39:50 +0000 Subject: moved usb-i2c-sl018 to tuer-rfid git-svn-id: https://svn.spreadspace.org/avr/trunk@216 aa12f405-d877-488e-9caf-2d797e2a1cc7 --- usb-i2c-sl018/sl018.c | 245 -------------------------------------------------- 1 file changed, 245 deletions(-) delete mode 100644 usb-i2c-sl018/sl018.c (limited to 'usb-i2c-sl018/sl018.c') diff --git a/usb-i2c-sl018/sl018.c b/usb-i2c-sl018/sl018.c deleted file mode 100644 index 9916e36..0000000 --- a/usb-i2c-sl018/sl018.c +++ /dev/null @@ -1,245 +0,0 @@ -/* - * spreadspace avr utils - * - * - * Copyright (C) 2013 Christian Pointner - * Othmar Gsenger - * - * 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 . - */ - -#include "sl018.h" -#include "LUFA/Drivers/Peripheral/TWI.h" -#include -#include - -#define SL018_TWI_ADDR 0xA0 -#define SL018_TAG_STA_PIN PIND -#define SL018_TAG_STA_BIT 7 -#define CARD_PRESENT (!((SL018_TAG_STA_PIN >> SL018_TAG_STA_BIT) & 1)) -#define MAX_UID_LEN 7 - - -const char* SL018_cmd_tostring(const uint8_t cmd) -{ - switch(cmd) { - case 0x01: return "Select Mifare card"; - case 0x02: return "Login to a sector"; - case 0x03: return "Read a data block"; - case 0x04: return "Write a data block"; - case 0x05: return "Read a value block"; - case 0x06: return "Initialize a value block"; - case 0x07: return "Write master key"; - case 0x08: return "Increment value"; - case 0x09: return "Decrement value"; - case 0x0A: return "Copy value"; - case 0x10: return "Read a data page"; - case 0x11: return "Write a data page"; - case 0x40: return "Control the red led"; - case 0xF0: return "Get firmware version"; - case 0xFF: return "Reset"; - default: return "unknown"; - } -} - -const char* SL018_status_tostring(const uint8_t status) -{ - switch(status) { - case 0x0: return "Operation succeed"; - case 0x1: return "No tag"; - case 0x2: return "Login succeed"; - case 0x3: return "Login fail"; - case 0x4: return "Read fail"; - case 0x5: return "Write fail"; - case 0x6: return "Unable to read after write"; - case 0xA: return "Collision occur"; - case 0xC: return "Load key fail"; - case 0xD: return "Not authenticate"; - case 0xE: return "Not a value block"; - default: return "unknown"; - } -} - -const char* SL018_tagtype_tostring(const uint8_t type) -{ - switch(type) { - case 0x1: return "Mifare 1k, 4 byte UID"; - case 0x2: return "Mifare 1k, 7 byte UID"; - case 0x3: return "Mifare Ultralight or NATG203, 7 byte UID"; - case 0x4: return "Mifare 4k, 4 byte UID"; - case 0x5: return "Mifare 4k, 7 byte UID"; - case 0x6: return "Mifare DesFire, 7 byte UID"; - default: return "unknown"; - } -} - -uint8_t SL018_tagtype_to_uidlen(const uint8_t type) -{ - switch(type) { - case 0x1: - case 0x4: return 4; - case 0x2: - case 0x3: - case 0x5: - case 0x6: return 7; - default: return 0; - } -} - -const uint8_t SL018_CMD_ComSelectCard[] = {1,0x01}; -const uint8_t SL018_CMD_ComRedLedOn[] = {2,0x40,1}; -const uint8_t SL018_CMD_ComRedLedOff[] = {2,0x40,0}; -const uint8_t SL018_CMD_ComGetFirmwareVersion[] = {1,0xF0}; -const uint8_t SL018_CMD_ComReset[] = {1,0xFF}; - -uint8_t twi_recv_buf[256]; -typedef struct __attribute__((__packed__)) -{ - uint8_t len; - uint8_t command; - uint8_t status; - uint8_t data[sizeof(twi_recv_buf)-3]; -} sl018_message_t; - -sl018_message_t* twi_recv_msg = (sl018_message_t *)&twi_recv_buf; - - -uint8_t sl018_cmd_raw(const uint8_t* twi_send_buf, bool wait_for_answer) -{ - uint8_t pos = 0; - - if (TWI_StartTransmission(SL018_TWI_ADDR | TWI_ADDRESS_WRITE,10) == TWI_ERROR_NoError) { - for(pos=0; pos<=twi_send_buf[0]; pos++) { - if( ! TWI_SendByte(twi_send_buf[pos])) { - TWI_StopTransmission(); - return 1; - } - } - TWI_StopTransmission(); - } else - return 1; - - if(!wait_for_answer) return 0; - - memset(twi_recv_buf, 0, sizeof(twi_recv_buf)); - _delay_ms(50); - - if (TWI_StartTransmission(SL018_TWI_ADDR | TWI_ADDRESS_READ,10) == TWI_ERROR_NoError) { - TWI_ReceiveByte(twi_recv_buf, 0); - for(pos=1; pos<=twi_recv_buf[0]; pos++) { - if (! TWI_ReceiveByte(&twi_recv_buf[pos], (pos == twi_recv_buf[0]) ? 1:0 ) ) { - TWI_StopTransmission(); - return 1; - } - } - TWI_StopTransmission(); - } else - return 1; - - return 0; -} - -uint8_t sl018_reset(void) -{ - if(sl018_cmd_raw(SL018_CMD_ComReset, 0)) { - printf("Error(i2c): bus error\n\r"); - return 1; - } - return 0; -} - -uint8_t sl018_cmd(const uint8_t* twi_send_buf) -{ - if(sl018_cmd_raw(twi_send_buf, 1)) { - printf("Error(i2c): bus error\n\r"); - return 1; - } else { - if(twi_recv_msg->len < 2) { - printf("Error(SL018): short message received\n\r"); - return 1; - } - if(twi_recv_msg->status) { - printf("Error(SL018): '%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) { - printf("Error(SL018): 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) -{ - uid->length=0; - uid->buffer=NULL; - printf( "Info(card): "); - 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) { - 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) { - printf(" Invalid uid length (%d) for tag type: %s\n\r", uid_len, SL018_tagtype_tostring(type)); - return; - } - - for (uint8_t pos=0; posdata[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 { - printf("Info(card): Ignoring unknown card type %02x\n\r",type); - } - } -} - -void sl018_set_led(uint8_t on) -{ - if(on) - sl018_cmd(SL018_CMD_ComRedLedOn); - else - sl018_cmd(SL018_CMD_ComRedLedOff); -} - -uint8_t sl018_check_for_new_card(void) -{ - static uint8_t card_status = 0; - if(CARD_PRESENT != card_status) { - card_status = CARD_PRESENT; - if(card_status) - return 1; - } - return 0; -} - -unsigned char * sl018_get_firmware_version(void) -{ - if(!sl018_cmd(SL018_CMD_ComGetFirmwareVersion)) { - twi_recv_msg->data[sizeof(twi_recv_msg->data) - 1] = 0; - return twi_recv_msg->data; - } else { - return NULL; - } -} -- cgit v1.2.3