Working python interface for Mifare cards.

LICENSE.md

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+MIT License (MIT)
+
+Copyright (c) 2014 Scott Vitale
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Mifare.c

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+#include "Mifare.h"
+
+int init(phbalReg_R_Pi_spi_DataParams_t *balReader, phhalHw_Rc523_DataParams_t *pHal) {
+
+    phStatus_t status;
+
+    uint8_t bHalBufferReader[0x40];
+
+    /* Initialize the Reader BAL (Bus Abstraction Layer) component */
+    status = phbalReg_R_Pi_spi_Init(balReader, sizeof(phbalReg_R_Pi_spi_DataParams_t));
+    if (PH_ERR_SUCCESS != status)
+    {
+        printf("Failed to initialize SPI\n");
+        return 1;
+    }
+
+    status = phbalReg_OpenPort((void*)balReader);
+    if (PH_ERR_SUCCESS != status)
+    {
+        printf("Failed to open bal\n");
+        return 2;
+    }
+
+    /* we have a board with PN512,
+    * but on the software point of view,
+    * it's compatible to the RC523 */
+    status = phhalHw_Rc523_Init(pHal,
+        sizeof(phhalHw_Rc523_DataParams_t),
+        balReader,
+        0,
+        bHalBufferReader,
+        sizeof(bHalBufferReader),
+        bHalBufferReader,
+        sizeof(bHalBufferReader));
+
+    if (PH_ERR_SUCCESS != status)
+    {
+        printf("Failed to initialize the HAL\n");
+        return 3;
+    }
+
+    /* Set the HAL configuration to SPI */
+    status = phhalHw_SetConfig(pHal, PHHAL_HW_CONFIG_BAL_CONNECTION,
+        PHHAL_HW_BAL_CONNECTION_SPI);
+    if (PH_ERR_SUCCESS != status)
+    {
+        printf("Failed to set hal connection SPI\n");
+        return 4;
+    }
+
+    return 0;
+}
+
+uint32_t DetectMifare(void *halReader, uint8_t uid[], uint8_t *uidLength)
+{
+    phpalI14443p4_Sw_DataParams_t I14443p4;
+    phpalMifare_Sw_DataParams_t palMifare;
+    phpalI14443p3a_Sw_DataParams_t I14443p3a;
+
+    phalMful_Sw_DataParams_t alMful;
+
+    uint8_t bMoreCardsAvailable;
+    uint8_t pAtqa[2];
+    uint8_t bSak[1];
+    phStatus_t status;
+
+    /* Initialize the 14443-3A PAL (Protocol Abstraction Layer) component */
+    PH_CHECK_SUCCESS_FCT(status, phpalI14443p3a_Sw_Init(&I14443p3a,
+        sizeof(phpalI14443p3a_Sw_DataParams_t), halReader));
+
+    /* Initialize the 14443-4 PAL component */
+    PH_CHECK_SUCCESS_FCT(status, phpalI14443p4_Sw_Init(&I14443p4,
+        sizeof(phpalI14443p4_Sw_DataParams_t), halReader));
+
+    /* Initialize the Mifare PAL component */
+    PH_CHECK_SUCCESS_FCT(status, phpalMifare_Sw_Init(&palMifare,
+        sizeof(phpalMifare_Sw_DataParams_t), halReader, &I14443p4));
+
+    /* Initialize Ultralight(-C) AL component */
+    PH_CHECK_SUCCESS_FCT(status, phalMful_Sw_Init(&alMful,
+        sizeof(phalMful_Sw_DataParams_t), &palMifare, NULL, NULL, NULL));
+
+    /* Reset the RF field */
+    PH_CHECK_SUCCESS_FCT(status, phhalHw_FieldReset(halReader));
+
+    /* Apply the type A protocol settings
+    * and activate the RF field. */
+    PH_CHECK_SUCCESS_FCT(status,
+        phhalHw_ApplyProtocolSettings(halReader, PHHAL_HW_CARDTYPE_ISO14443A));
+
+    /* Empty the pAtqa */
+    memset(pAtqa, '\0', 2);
+    status = phpalI14443p3a_RequestA(&I14443p3a, pAtqa);
+
+    /* Reset the RF field */
+    PH_CHECK_SUCCESS_FCT(status, phhalHw_FieldReset(halReader));
+
+    /* Empty the bSak */
+    memset(bSak, '\0', 1);
+
+    /* Activate the communication layer part 3
+    * of the ISO 14443A standard. */
+    status = phpalI14443p3a_ActivateCard(&I14443p3a,
+        NULL, 0x00, uid, uidLength, bSak, &bMoreCardsAvailable);
+
+    return 0xFFFF;
+}
+
+phStatus_t readerIC_Cmd_SoftReset(phhalHw_Rc523_DataParams_t *halReader)
+{
+    phStatus_t status = PH_ERR_INVALID_DATA_PARAMS;
+
+    switch (PH_GET_COMPID(halReader))
+    {
+    case PHHAL_HW_RC523_ID:
+        status = phhalHw_Rc523_Cmd_SoftReset(halReader);
+        break;
+    }
+
+    return status;
+}