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author | Martijn Coenen <maco@google.com> | 2012-09-12 17:59:39 -0400 |
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committer | Martijn Coenen <maco@google.com> | 2012-09-14 13:56:58 -0700 |
commit | 1c970f1a493371aaa68f9227a8c3c395c5112fac (patch) | |
tree | 47899d77ab06c750efdc26698a18ba5a50c8bf8d /modules/nfc/nfc_pn544_example.c | |
parent | 9633d506b798cfd44172f467b59b2305b19b9b00 (diff) | |
download | hardware_libhardware-1c970f1a493371aaa68f9227a8c3c395c5112fac.zip hardware_libhardware-1c970f1a493371aaa68f9227a8c3c395c5112fac.tar.gz hardware_libhardware-1c970f1a493371aaa68f9227a8c3c395c5112fac.tar.bz2 |
Initial NFC HAL for NCI controllers.
Bug: 7123942
Change-Id: Ic64aa6477f2eb65b489b3be5d49ad21ccce63e2d
Diffstat (limited to 'modules/nfc/nfc_pn544_example.c')
-rw-r--r-- | modules/nfc/nfc_pn544_example.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/modules/nfc/nfc_pn544_example.c b/modules/nfc/nfc_pn544_example.c new file mode 100644 index 0000000..54c9c56 --- /dev/null +++ b/modules/nfc/nfc_pn544_example.c @@ -0,0 +1,71 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include <errno.h> +#include <string.h> + +#include <hardware/hardware.h> +#include <hardware/nfc.h> + +/* Close an opened pn544 device instance */ +static int pn544_close(hw_device_t *dev) { + free(dev); + return 0; +} + +/* + * Generic device handling + */ +static int nfc_open(const hw_module_t* module, const char* name, + hw_device_t** device) { + if (strcmp(name, NFC_PN544_CONTROLLER) == 0) { + nfc_pn544_device_t *dev = calloc(1, sizeof(nfc_pn544_device_t)); + + dev->common.tag = HARDWARE_DEVICE_TAG; + dev->common.version = 0; + dev->common.module = (struct hw_module_t*) module; + dev->common.close = pn544_close; + + /* Example settings */ + dev->num_eeprom_settings = 0; + dev->eeprom_settings = NULL; + dev->linktype = PN544_LINK_TYPE_INVALID; + dev->device_node = NULL; + dev->enable_i2c_workaround = 0; + dev->i2c_device_address = 0; + + *device = (hw_device_t*) dev; + return 0; + } else { + return -EINVAL; + } +} + + +static struct hw_module_methods_t nfc_module_methods = { + .open = nfc_open, +}; + +struct nfc_module_t HAL_MODULE_INFO_SYM = { + .common = { + .tag = HARDWARE_MODULE_TAG, + .version_major = 1, + .version_minor = 0, + .id = NFC_HARDWARE_MODULE_ID, + .name = "Default NFC HW HAL", + .author = "The Android Open Source Project", + .methods = &nfc_module_methods, + }, +}; |