1 /*
2 * Copyright 2017 , NXP
3 * All rights reserved.
4 *
5 *
6 * SPDX-License-Identifier: BSD-3-Clause
7 */
8
9 #include "fsl_port.h"
10
11 /*******************************************************************************
12 * Definitions
13 ******************************************************************************/
14 /* Component ID definition, used by tools. */
15 #ifndef FSL_COMPONENT_ID
16 #define FSL_COMPONENT_ID "platform.drivers.port_ke02"
17 #endif
18 #define PORT_PINNUMS_EACHPORT (8U) /* PORT pin numbers in each PTA/PTB etc. */
19 #define PORT_NUM_EACH_PULLUPREG (4U) /* The port numbers in each pull up register. */
20
21 /*******************************************************************************
22 * Variables
23 ******************************************************************************/
24
25 /*******************************************************************************
26 * Prototypes
27 ******************************************************************************/
28
29 /*******************************************************************************
30 * Code
31 ******************************************************************************/
32 /*!
33 * brief Enables or disables the port pull up.
34 *
35 * param base PORT peripheral base pointer.
36 * param port PORT type, such as PTA/PTB/PTC etc, see "port_type_t".
37 * param num PORT Pin number, such as 0, 1, 2....
38 * There are seven pins not exists in this device:
39 * PTG: PTG4, PTG5, PTG6, PTG7. PTH: PTH3, PTH4, PTH5.
40 * so, when set PTG, and PTH, please don't set the pins mentioned above.
41 * Please take refer to the reference manual.
42 * param enable Enable or disable the pull up feature switch.
43 */
PORT_SetPinPullUpEnable(PORT_Type * base,port_type_t port,uint8_t num,bool enable)44 void PORT_SetPinPullUpEnable(PORT_Type *base, port_type_t port, uint8_t num, bool enable)
45 {
46 if (enable)
47 {
48 /* Enable the pull up */
49 if (port < kPORT_PTE)
50 {
51 base->PUEL |= (1UL << (PORT_PINNUMS_EACHPORT * (uint32_t)port + (uint32_t)num));
52 }
53 else
54 {
55 base->PUEH |= (1UL << (PORT_PINNUMS_EACHPORT * ((uint32_t)port - PORT_NUM_EACH_PULLUPREG) + (uint32_t)num));
56 }
57 }
58 else
59 {
60 /* Disable the pull up */
61 if (port < kPORT_PTE)
62 {
63 base->PUEL &= ~(1UL << (PORT_PINNUMS_EACHPORT * (uint32_t)port + (uint32_t)num));
64 }
65 else
66 {
67 base->PUEH &=
68 ~(1UL << (PORT_PINNUMS_EACHPORT * ((uint32_t)port - PORT_NUM_EACH_PULLUPREG) + (uint32_t)num));
69 }
70 }
71 }
72
PORT_SetPinSelect(port_module_t module,port_pin_select_t pin)73 void PORT_SetPinSelect(port_module_t module, port_pin_select_t pin)
74 {
75 if ((uint32_t)pin != 0U)
76 {
77 if (module > kPORT_SWDE)
78 {
79 SIM->PINSEL |= (uint32_t)module;
80 }
81 else
82 {
83 SIM->SOPT |= (uint32_t)module;
84 }
85 }
86 else
87 {
88 if (module > kPORT_SWDE)
89 {
90 SIM->PINSEL &= ~(uint32_t)module;
91 }
92 else
93 {
94 SIM->SOPT &= ~(uint32_t)module;
95 }
96 }
97 }
98
