1 /*
2 * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
3 * Copyright (c) 2014 Intel Corporation.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25 #include <unistd.h>
26 #include <stdlib.h>
27 #include <stdint.h>
28
29 #include "nrf8001.h"
30
31 /**
32 * Include the services_lock.h to put the setup in the OTP memory of the nRF8001.
33 * This would mean that the setup cannot be changed once put in.
34 * However this removes the need to do the setup of the nRF8001 on every reset.
35 */
36
37 void
init_local_interfaces(aci_state_t * aci,uint8_t reqn,uint8_t rdyn,uint8_t rst)38 init_local_interfaces (aci_state_t* aci, uint8_t reqn, uint8_t rdyn, uint8_t rst) {
39 /**
40 * Tell the ACI library, the MCU to nRF8001 pin connections.
41 * The Active pin is optional and can be marked UNUSED
42 */
43 aci->aci_pins.board_name = BOARD_DEFAULT; // See board.h for details REDBEARLAB_SHIELD_V1_1 or BOARD_DEFAULT
44 aci->aci_pins.reqn_pin = reqn; // SS for Nordic board, 9 for REDBEARLAB_SHIELD_V1_1
45 aci->aci_pins.rdyn_pin = rdyn; // 3 for Nordic board, 8 for REDBEARLAB_SHIELD_V1_1
46
47 aci->aci_pins.reset_pin = rst; // 4 for Nordic board, UNUSED for REDBEARLAB_SHIELD_V1_1
48 aci->aci_pins.active_pin = UNUSED;
49 aci->aci_pins.optional_chip_sel_pin = UNUSED;
50
51 aci->aci_pins.interface_is_interrupt = false; // Interrupts still not available in Chipkit
52 aci->aci_pins.interrupt_number = 1;
53
54 lib_aci_init (aci, false);
55 }
56
57 void
close_local_interfaces(aci_state_t * aci)58 close_local_interfaces (aci_state_t* aci) {
59 mraa_result_t error = MRAA_SUCCESS;
60
61 error = mraa_spi_stop(aci->aci_pins.m_spi);
62 if (error != MRAA_SUCCESS) {
63
64 }
65 error = mraa_gpio_close (aci->aci_pins.m_rdy_ctx);
66 if (error != MRAA_SUCCESS) {
67
68 }
69 error = mraa_gpio_close (aci->aci_pins.m_req_ctx);
70 if (error != MRAA_SUCCESS) {
71
72 }
73 error = mraa_gpio_close (aci->aci_pins.m_rst_ctx);
74 if (error != MRAA_SUCCESS) {
75
76 }
77 }
78