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Diffstat (limited to 'usb-i2c-sl018/sl018.c')
-rw-r--r--usb-i2c-sl018/sl018.c245
1 files changed, 0 insertions, 245 deletions
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 <equinox@spreadspace.org>
- * Othmar Gsenger <otti@wirdorange.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/>.
- */
-
-#include "sl018.h"
-#include "LUFA/Drivers/Peripheral/TWI.h"
-#include <stdio.h>
-#include <util/delay.h>
-
-#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; pos<uid_len; pos++)
- 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 {
- 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;
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 16:51:30 +0000