1 /*
2 * Copyright (c) 2015, Freescale Semiconductor, Inc.
3 * Copyright 2016-2019 NXP
4 * All rights reserved.
5 *
6 * SPDX-License-Identifier: BSD-3-Clause
7 */
8 #include "fsl_aoi.h"
9
10 /*******************************************************************************
11 * Definitions
12 ******************************************************************************/
13 /* Component ID definition, used by tools. */
14 #ifndef FSL_COMPONENT_ID
15 #define FSL_COMPONENT_ID "platform.drivers.aoi"
16 #endif
17
18 #if defined(AOI_RSTS)
19 #define AOI_RESETS_ARRAY AOI_RSTS
20 #endif
21
22 /*******************************************************************************
23 * Variables
24 ******************************************************************************/
25 /*! @brief Pointers to aoi bases for each instance. */
26 static AOI_Type *const s_aoiBases[] = AOI_BASE_PTRS;
27
28 #if defined(AOI_RESETS_ARRAY)
29 /* Reset array */
30 static const reset_ip_name_t s_aoiResets[] = AOI_RESETS_ARRAY;
31 #endif
32
33 #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
34 /*! @brief Pointers to aoi clocks for each instance. */
35 static const clock_ip_name_t s_aoiClocks[] = AOI_CLOCKS;
36 #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
37 /*******************************************************************************
38 * Prototypes
39 ******************************************************************************/
40 /*!
41 * @brief Get instance number for AOI module.
42 *
43 * @param base AOI peripheral base address
44 *
45 * @return The AOI instance
46 */
47 static uint32_t AOI_GetInstance(AOI_Type *base);
48 /*******************************************************************************
49 * Code
50 ******************************************************************************/
51
AOI_GetInstance(AOI_Type * base)52 static uint32_t AOI_GetInstance(AOI_Type *base)
53 {
54 uint32_t instance;
55
56 /* Find the instance index from base address mappings. */
57 for (instance = 0; instance < ARRAY_SIZE(s_aoiBases); instance++)
58 {
59 if (s_aoiBases[instance] == base)
60 {
61 break;
62 }
63 }
64
65 assert(instance < ARRAY_SIZE(s_aoiBases));
66
67 return instance;
68 }
69
70 /*!
71 * brief Initializes an AOI instance for operation.
72 *
73 * This function un-gates the AOI clock.
74 *
75 * param base AOI peripheral address.
76 */
AOI_Init(AOI_Type * base)77 void AOI_Init(AOI_Type *base)
78 {
79 #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
80 /* Enable the clock gate from clock manager. */
81 CLOCK_EnableClock(s_aoiClocks[AOI_GetInstance(base)]);
82 #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
83
84 #if defined(AOI_RESETS_ARRAY)
85 RESET_ReleasePeripheralReset(s_aoiResets[AOI_GetInstance(base)]);
86 #endif
87 }
88
89 /*!
90 * brief Deinitializes an AOI instance for operation.
91 *
92 * This function shutdowns AOI module.
93 *
94 * param base AOI peripheral address.
95 */
AOI_Deinit(AOI_Type * base)96 void AOI_Deinit(AOI_Type *base)
97 {
98 #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
99 /* Disable the clock gate from clock manager */
100 CLOCK_DisableClock(s_aoiClocks[AOI_GetInstance(base)]);
101 #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
102 }
103
104 /*!
105 * brief Gets the Boolean evaluation associated.
106 *
107 * This function returns the Boolean evaluation associated.
108 *
109 * Example:
110 code
111 aoi_event_config_t demoEventLogicStruct;
112
113 AOI_GetEventLogicConfig(AOI, kAOI_Event0, &demoEventLogicStruct);
114 endcode
115 *
116 * param base AOI peripheral address.
117 * param event Index of the event which will be set of type aoi_event_t.
118 * param config Selected input configuration .
119 */
AOI_GetEventLogicConfig(AOI_Type * base,aoi_event_t event,aoi_event_config_t * config)120 void AOI_GetEventLogicConfig(AOI_Type *base, aoi_event_t event, aoi_event_config_t *config)
121 {
122 assert((uint32_t)event < (uint32_t)FSL_FEATURE_AOI_EVENT_COUNT);
123 assert(config != NULL);
124
125 uint16_t value;
126 uint16_t temp;
127 /* Read BFCRT01 register at event index. */
128 value = base->BFCRT[event].BFCRT01;
129
130 temp = (value & AOI_BFCRT01_PT0_AC_MASK) >> AOI_BFCRT01_PT0_AC_SHIFT;
131 config->PT0AC = (aoi_input_config_t)temp;
132 temp = (value & AOI_BFCRT01_PT0_BC_MASK) >> AOI_BFCRT01_PT0_BC_SHIFT;
133 config->PT0BC = (aoi_input_config_t)temp;
134 temp = (value & AOI_BFCRT01_PT0_CC_MASK) >> AOI_BFCRT01_PT0_CC_SHIFT;
135 config->PT0CC = (aoi_input_config_t)temp;
136 temp = (value & AOI_BFCRT01_PT0_DC_MASK) >> AOI_BFCRT01_PT0_DC_SHIFT;
137 config->PT0DC = (aoi_input_config_t)temp;
138
139 temp = (value & AOI_BFCRT01_PT1_AC_MASK) >> AOI_BFCRT01_PT1_AC_SHIFT;
140 config->PT1AC = (aoi_input_config_t)temp;
141 temp = (value & AOI_BFCRT01_PT1_BC_MASK) >> AOI_BFCRT01_PT1_BC_SHIFT;
142 config->PT1BC = (aoi_input_config_t)temp;
143 temp = (value & AOI_BFCRT01_PT1_CC_MASK) >> AOI_BFCRT01_PT1_CC_SHIFT;
144 config->PT1CC = (aoi_input_config_t)temp;
145 temp = (value & AOI_BFCRT01_PT1_DC_MASK) >> AOI_BFCRT01_PT1_DC_SHIFT;
146 config->PT1DC = (aoi_input_config_t)temp;
147
148 /* Read BFCRT23 register at event index. */
149 value = base->BFCRT[event].BFCRT23;
150
151 temp = (value & AOI_BFCRT23_PT2_AC_MASK) >> AOI_BFCRT23_PT2_AC_SHIFT;
152 config->PT2AC = (aoi_input_config_t)temp;
153 temp = (value & AOI_BFCRT23_PT2_BC_MASK) >> AOI_BFCRT23_PT2_BC_SHIFT;
154 config->PT2BC = (aoi_input_config_t)temp;
155 temp = (value & AOI_BFCRT23_PT2_CC_MASK) >> AOI_BFCRT23_PT2_CC_SHIFT;
156 config->PT2CC = (aoi_input_config_t)temp;
157 temp = (value & AOI_BFCRT23_PT2_DC_MASK) >> AOI_BFCRT23_PT2_DC_SHIFT;
158 config->PT2DC = (aoi_input_config_t)temp;
159
160 temp = (value & AOI_BFCRT23_PT3_AC_MASK) >> AOI_BFCRT23_PT3_AC_SHIFT;
161 config->PT3AC = (aoi_input_config_t)temp;
162 temp = (value & AOI_BFCRT23_PT3_BC_MASK) >> AOI_BFCRT23_PT3_BC_SHIFT;
163 config->PT3BC = (aoi_input_config_t)temp;
164 temp = (value & AOI_BFCRT23_PT3_CC_MASK) >> AOI_BFCRT23_PT3_CC_SHIFT;
165 config->PT3CC = (aoi_input_config_t)temp;
166 temp = (value & AOI_BFCRT23_PT3_DC_MASK) >> AOI_BFCRT23_PT3_DC_SHIFT;
167 config->PT3DC = (aoi_input_config_t)temp;
168 }
169
170 /*!
171 * brief Configures an AOI event.
172 *
173 * This function configures an AOI event according
174 * to the aoiEventConfig structure. This function configures all inputs (A, B, C, and D)
175 * of all product terms (0, 1, 2, and 3) of a desired event.
176 *
177 * Example:
178 code
179 aoi_event_config_t demoEventLogicStruct;
180
181 demoEventLogicStruct.PT0AC = kAOI_InvInputSignal;
182 demoEventLogicStruct.PT0BC = kAOI_InputSignal;
183 demoEventLogicStruct.PT0CC = kAOI_LogicOne;
184 demoEventLogicStruct.PT0DC = kAOI_LogicOne;
185
186 demoEventLogicStruct.PT1AC = kAOI_LogicZero;
187 demoEventLogicStruct.PT1BC = kAOI_LogicOne;
188 demoEventLogicStruct.PT1CC = kAOI_LogicOne;
189 demoEventLogicStruct.PT1DC = kAOI_LogicOne;
190
191 demoEventLogicStruct.PT2AC = kAOI_LogicZero;
192 demoEventLogicStruct.PT2BC = kAOI_LogicOne;
193 demoEventLogicStruct.PT2CC = kAOI_LogicOne;
194 demoEventLogicStruct.PT2DC = kAOI_LogicOne;
195
196 demoEventLogicStruct.PT3AC = kAOI_LogicZero;
197 demoEventLogicStruct.PT3BC = kAOI_LogicOne;
198 demoEventLogicStruct.PT3CC = kAOI_LogicOne;
199 demoEventLogicStruct.PT3DC = kAOI_LogicOne;
200
201 AOI_SetEventLogicConfig(AOI, kAOI_Event0, demoEventLogicStruct);
202 endcode
203 *
204 * param base AOI peripheral address.
205 * param event Event which will be configured of type aoi_event_t.
206 * param eventConfig Pointer to type aoi_event_config_t structure. The user is responsible for
207 * filling out the members of this structure and passing the pointer to this function.
208 */
AOI_SetEventLogicConfig(AOI_Type * base,aoi_event_t event,const aoi_event_config_t * eventConfig)209 void AOI_SetEventLogicConfig(AOI_Type *base, aoi_event_t event, const aoi_event_config_t *eventConfig)
210 {
211 assert(eventConfig != NULL);
212 assert((uint32_t)event < (uint32_t)FSL_FEATURE_AOI_EVENT_COUNT);
213
214 uint16_t value;
215 /* Calculate value to configure product term 0, 1 */
216 value = AOI_BFCRT01_PT0_AC(eventConfig->PT0AC) | AOI_BFCRT01_PT0_BC(eventConfig->PT0BC) |
217 AOI_BFCRT01_PT0_CC(eventConfig->PT0CC) | AOI_BFCRT01_PT0_DC(eventConfig->PT0DC) |
218 AOI_BFCRT01_PT1_AC(eventConfig->PT1AC) | AOI_BFCRT01_PT1_BC(eventConfig->PT1BC) |
219 AOI_BFCRT01_PT1_CC(eventConfig->PT1CC) | AOI_BFCRT01_PT1_DC(eventConfig->PT1DC);
220 /* Write value to register */
221 base->BFCRT[event].BFCRT01 = value;
222
223 /* Reset and calculate value to configure product term 2, 3 */
224 value = AOI_BFCRT23_PT2_AC(eventConfig->PT2AC) | AOI_BFCRT23_PT2_BC(eventConfig->PT2BC) |
225 AOI_BFCRT23_PT2_CC(eventConfig->PT2CC) | AOI_BFCRT23_PT2_DC(eventConfig->PT2DC) |
226 AOI_BFCRT23_PT3_AC(eventConfig->PT3AC) | AOI_BFCRT23_PT3_BC(eventConfig->PT3BC) |
227 AOI_BFCRT23_PT3_CC(eventConfig->PT3CC) | AOI_BFCRT23_PT3_DC(eventConfig->PT3DC);
228 /* Write value to register */
229 base->BFCRT[event].BFCRT23 = value;
230 }
231
