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nRF51822/nordic/app_common/app_gpiote.c@0:76dfa9657d9d, 2014-11-12 (annotated)

Committer:
jksoft
Date:
Wed Nov 12 02:40:34 2014 +0000
Revision:
0:76dfa9657d9d
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Who changed what in which revision?

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jksoft 0:76dfa9657d9d 1 /* Copyright (c) 2012 Nordic Semiconductor. All Rights Reserved.
jksoft 0:76dfa9657d9d 2 *
jksoft 0:76dfa9657d9d 3 * The information contained herein is property of Nordic Semiconductor ASA.
jksoft 0:76dfa9657d9d 4 * Terms and conditions of usage are described in detail in NORDIC
jksoft 0:76dfa9657d9d 5 * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
jksoft 0:76dfa9657d9d 6 *
jksoft 0:76dfa9657d9d 7 * Licensees are granted free, non-transferable use of the information. NO
jksoft 0:76dfa9657d9d 8 * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
jksoft 0:76dfa9657d9d 9 * the file.
jksoft 0:76dfa9657d9d 10 *
jksoft 0:76dfa9657d9d 11 */
jksoft 0:76dfa9657d9d 12
jksoft 0:76dfa9657d9d 13 #if NEED_APP_GPIOTE /* disabled by default */
jksoft 0:76dfa9657d9d 14
jksoft 0:76dfa9657d9d 15 #include "app_gpiote.h"
jksoft 0:76dfa9657d9d 16 #include <stdlib.h>
jksoft 0:76dfa9657d9d 17 #include <string.h>
jksoft 0:76dfa9657d9d 18 #include "app_util.h"
jksoft 0:76dfa9657d9d 19 #include "app_util_platform.h"
jksoft 0:76dfa9657d9d 20 #include "nrf_error.h"
jksoft 0:76dfa9657d9d 21 #include "nrf_gpio.h"
jksoft 0:76dfa9657d9d 22
jksoft 0:76dfa9657d9d 23
jksoft 0:76dfa9657d9d 24 /**@brief GPIOTE user type. */
jksoft 0:76dfa9657d9d 25 typedef struct
jksoft 0:76dfa9657d9d 26 {
jksoft 0:76dfa9657d9d 27 uint32_t pins_mask; /**< Mask defining which pins user wants to monitor. */
jksoft 0:76dfa9657d9d 28 uint32_t pins_low_to_high_mask; /**< Mask defining which pins will generate events to this user when toggling low->high. */
jksoft 0:76dfa9657d9d 29 uint32_t pins_high_to_low_mask; /**< Mask defining which pins will generate events to this user when toggling high->low. */
jksoft 0:76dfa9657d9d 30 uint32_t sense_high_pins; /**< Mask defining which pins are configured to generate GPIOTE interrupt on transition to high level. */
jksoft 0:76dfa9657d9d 31 app_gpiote_event_handler_t event_handler; /**< Pointer to function to be executed when an event occurs. */
jksoft 0:76dfa9657d9d 32 } gpiote_user_t;
jksoft 0:76dfa9657d9d 33
jksoft 0:76dfa9657d9d 34 STATIC_ASSERT(sizeof(gpiote_user_t) <= GPIOTE_USER_NODE_SIZE);
jksoft 0:76dfa9657d9d 35 STATIC_ASSERT(sizeof(gpiote_user_t) % 4 == 0);
jksoft 0:76dfa9657d9d 36
jksoft 0:76dfa9657d9d 37 static uint32_t m_enabled_users_mask; /**< Mask for tracking which users are enabled. */
jksoft 0:76dfa9657d9d 38 static uint8_t m_user_array_size; /**< Size of user array. */
jksoft 0:76dfa9657d9d 39 static uint8_t m_user_count; /**< Number of registered users. */
jksoft 0:76dfa9657d9d 40 static gpiote_user_t * mp_users = NULL; /**< Array of GPIOTE users. */
jksoft 0:76dfa9657d9d 41
jksoft 0:76dfa9657d9d 42
jksoft 0:76dfa9657d9d 43 /**@brief Function for toggling sense level for specified pins.
jksoft 0:76dfa9657d9d 44 *
jksoft 0:76dfa9657d9d 45 * @param[in] p_user Pointer to user structure.
jksoft 0:76dfa9657d9d 46 * @param[in] pins Bitmask specifying for which pins the sense level is to be toggled.
jksoft 0:76dfa9657d9d 47 */
jksoft 0:76dfa9657d9d 48 static void sense_level_toggle(gpiote_user_t * p_user, uint32_t pins)
jksoft 0:76dfa9657d9d 49 {
jksoft 0:76dfa9657d9d 50 uint32_t pin_no;
jksoft 0:76dfa9657d9d 51
jksoft 0:76dfa9657d9d 52 for (pin_no = 0; pin_no < NO_OF_PINS; pin_no++)
jksoft 0:76dfa9657d9d 53 {
jksoft 0:76dfa9657d9d 54 uint32_t pin_mask = (1 << pin_no);
jksoft 0:76dfa9657d9d 55
jksoft 0:76dfa9657d9d 56 if ((pins & pin_mask) != 0)
jksoft 0:76dfa9657d9d 57 {
jksoft 0:76dfa9657d9d 58 uint32_t sense;
jksoft 0:76dfa9657d9d 59
jksoft 0:76dfa9657d9d 60 // Invert sensing.
jksoft 0:76dfa9657d9d 61 if ((p_user->sense_high_pins & pin_mask) == 0)
jksoft 0:76dfa9657d9d 62 {
jksoft 0:76dfa9657d9d 63 sense = GPIO_PIN_CNF_SENSE_High << GPIO_PIN_CNF_SENSE_Pos;
jksoft 0:76dfa9657d9d 64 p_user->sense_high_pins |= pin_mask;
jksoft 0:76dfa9657d9d 65 }
jksoft 0:76dfa9657d9d 66 else
jksoft 0:76dfa9657d9d 67 {
jksoft 0:76dfa9657d9d 68 sense = GPIO_PIN_CNF_SENSE_Low << GPIO_PIN_CNF_SENSE_Pos;
jksoft 0:76dfa9657d9d 69 p_user->sense_high_pins &= ~pin_mask;
jksoft 0:76dfa9657d9d 70 }
jksoft 0:76dfa9657d9d 71
jksoft 0:76dfa9657d9d 72 NRF_GPIO->PIN_CNF[pin_no] &= ~GPIO_PIN_CNF_SENSE_Msk;
jksoft 0:76dfa9657d9d 73 NRF_GPIO->PIN_CNF[pin_no] |= sense;
jksoft 0:76dfa9657d9d 74 }
jksoft 0:76dfa9657d9d 75 }
jksoft 0:76dfa9657d9d 76 }
jksoft 0:76dfa9657d9d 77
jksoft 0:76dfa9657d9d 78
jksoft 0:76dfa9657d9d 79 /**@brief Function for handling the GPIOTE interrupt.
jksoft 0:76dfa9657d9d 80 */
jksoft 0:76dfa9657d9d 81 void GPIOTE_IRQHandler(void)
jksoft 0:76dfa9657d9d 82 {
jksoft 0:76dfa9657d9d 83 uint8_t i;
jksoft 0:76dfa9657d9d 84 uint32_t pins_changed;
jksoft 0:76dfa9657d9d 85 uint32_t pins_state = NRF_GPIO->IN;
jksoft 0:76dfa9657d9d 86
jksoft 0:76dfa9657d9d 87 // Clear event.
jksoft 0:76dfa9657d9d 88 NRF_GPIOTE->EVENTS_PORT = 0;
jksoft 0:76dfa9657d9d 89
jksoft 0:76dfa9657d9d 90 // Check all users.
jksoft 0:76dfa9657d9d 91 for (i = 0; i < m_user_count; i++)
jksoft 0:76dfa9657d9d 92 {
jksoft 0:76dfa9657d9d 93 gpiote_user_t * p_user = &mp_users[i];
jksoft 0:76dfa9657d9d 94
jksoft 0:76dfa9657d9d 95 // Check if user is enabled.
jksoft 0:76dfa9657d9d 96 if (((1 << i) & m_enabled_users_mask) != 0)
jksoft 0:76dfa9657d9d 97 {
jksoft 0:76dfa9657d9d 98 uint32_t transition_pins;
jksoft 0:76dfa9657d9d 99 uint32_t event_low_to_high;
jksoft 0:76dfa9657d9d 100 uint32_t event_high_to_low;
jksoft 0:76dfa9657d9d 101
jksoft 0:76dfa9657d9d 102 // Find set of pins on which there has been a transition.
jksoft 0:76dfa9657d9d 103 transition_pins = (pins_state ^ ~p_user->sense_high_pins) & p_user->pins_mask;
jksoft 0:76dfa9657d9d 104
jksoft 0:76dfa9657d9d 105 // Toggle SENSE level for all pins that have changed state.
jksoft 0:76dfa9657d9d 106 sense_level_toggle(p_user, transition_pins);
jksoft 0:76dfa9657d9d 107
jksoft 0:76dfa9657d9d 108 // Second read after setting sense.
jksoft 0:76dfa9657d9d 109 // Check if any pins have changed while serving this interrupt.
jksoft 0:76dfa9657d9d 110 pins_changed = NRF_GPIO->IN ^ pins_state;
jksoft 0:76dfa9657d9d 111 if (pins_changed)
jksoft 0:76dfa9657d9d 112 {
jksoft 0:76dfa9657d9d 113 // Transition pins detected in late stage.
jksoft 0:76dfa9657d9d 114 uint32_t late_transition_pins;
jksoft 0:76dfa9657d9d 115
jksoft 0:76dfa9657d9d 116 pins_state |= pins_changed;
jksoft 0:76dfa9657d9d 117
jksoft 0:76dfa9657d9d 118 // Find set of pins on which there has been a transition.
jksoft 0:76dfa9657d9d 119 late_transition_pins = (pins_state ^ ~p_user->sense_high_pins) & p_user->pins_mask;
jksoft 0:76dfa9657d9d 120
jksoft 0:76dfa9657d9d 121 // Toggle SENSE level for all pins that have changed state in last phase.
jksoft 0:76dfa9657d9d 122 sense_level_toggle(p_user, late_transition_pins);
jksoft 0:76dfa9657d9d 123
jksoft 0:76dfa9657d9d 124 // Update pins that has changed state since the interrupt occurred.
jksoft 0:76dfa9657d9d 125 transition_pins |= late_transition_pins;
jksoft 0:76dfa9657d9d 126 }
jksoft 0:76dfa9657d9d 127
jksoft 0:76dfa9657d9d 128 // Call user event handler if an event has occurred.
jksoft 0:76dfa9657d9d 129 event_high_to_low = (~pins_state & p_user->pins_high_to_low_mask) & transition_pins;
jksoft 0:76dfa9657d9d 130 event_low_to_high = (pins_state & p_user->pins_low_to_high_mask) & transition_pins;
jksoft 0:76dfa9657d9d 131
jksoft 0:76dfa9657d9d 132 if ((event_low_to_high | event_high_to_low) != 0)
jksoft 0:76dfa9657d9d 133 {
jksoft 0:76dfa9657d9d 134 p_user->event_handler(event_low_to_high, event_high_to_low);
jksoft 0:76dfa9657d9d 135 }
jksoft 0:76dfa9657d9d 136 }
jksoft 0:76dfa9657d9d 137 }
jksoft 0:76dfa9657d9d 138 }
jksoft 0:76dfa9657d9d 139
jksoft 0:76dfa9657d9d 140
jksoft 0:76dfa9657d9d 141 /**@brief Function for sense disabling for all pins for specified user.
jksoft 0:76dfa9657d9d 142 *
jksoft 0:76dfa9657d9d 143 * @param[in] user_id User id.
jksoft 0:76dfa9657d9d 144 */
jksoft 0:76dfa9657d9d 145 static void pins_sense_disable(app_gpiote_user_id_t user_id)
jksoft 0:76dfa9657d9d 146 {
jksoft 0:76dfa9657d9d 147 uint32_t pin_no;
jksoft 0:76dfa9657d9d 148
jksoft 0:76dfa9657d9d 149 for (pin_no = 0; pin_no < 32; pin_no++)
jksoft 0:76dfa9657d9d 150 {
jksoft 0:76dfa9657d9d 151 if ((mp_users[user_id].pins_mask & (1 << pin_no)) != 0)
jksoft 0:76dfa9657d9d 152 {
jksoft 0:76dfa9657d9d 153 NRF_GPIO->PIN_CNF[pin_no] &= ~GPIO_PIN_CNF_SENSE_Msk;
jksoft 0:76dfa9657d9d 154 NRF_GPIO->PIN_CNF[pin_no] |= GPIO_PIN_CNF_SENSE_Disabled << GPIO_PIN_CNF_SENSE_Pos;
jksoft 0:76dfa9657d9d 155 }
jksoft 0:76dfa9657d9d 156 }
jksoft 0:76dfa9657d9d 157 }
jksoft 0:76dfa9657d9d 158
jksoft 0:76dfa9657d9d 159
jksoft 0:76dfa9657d9d 160 uint32_t app_gpiote_init(uint8_t max_users, void * p_buffer)
jksoft 0:76dfa9657d9d 161 {
jksoft 0:76dfa9657d9d 162 if (p_buffer == NULL)
jksoft 0:76dfa9657d9d 163 {
jksoft 0:76dfa9657d9d 164 return NRF_ERROR_INVALID_PARAM;
jksoft 0:76dfa9657d9d 165 }
jksoft 0:76dfa9657d9d 166
jksoft 0:76dfa9657d9d 167 // Check that buffer is correctly aligned.
jksoft 0:76dfa9657d9d 168 if (!is_word_aligned(p_buffer))
jksoft 0:76dfa9657d9d 169 {
jksoft 0:76dfa9657d9d 170 return NRF_ERROR_INVALID_PARAM;
jksoft 0:76dfa9657d9d 171 }
jksoft 0:76dfa9657d9d 172
jksoft 0:76dfa9657d9d 173 // Initialize file globals.
jksoft 0:76dfa9657d9d 174 mp_users = (gpiote_user_t *)p_buffer;
jksoft 0:76dfa9657d9d 175 m_user_array_size = max_users;
jksoft 0:76dfa9657d9d 176 m_user_count = 0;
jksoft 0:76dfa9657d9d 177 m_enabled_users_mask = 0;
jksoft 0:76dfa9657d9d 178
jksoft 0:76dfa9657d9d 179 memset(mp_users, 0, m_user_array_size * sizeof(gpiote_user_t));
jksoft 0:76dfa9657d9d 180
jksoft 0:76dfa9657d9d 181 // Initialize GPIOTE interrupt (will not be enabled until app_gpiote_user_enable() is called).
jksoft 0:76dfa9657d9d 182 NRF_GPIOTE->INTENCLR = 0xFFFFFFFF;
jksoft 0:76dfa9657d9d 183
jksoft 0:76dfa9657d9d 184 NVIC_ClearPendingIRQ(GPIOTE_IRQn);
jksoft 0:76dfa9657d9d 185 NVIC_SetPriority(GPIOTE_IRQn, APP_IRQ_PRIORITY_HIGH);
jksoft 0:76dfa9657d9d 186 NVIC_EnableIRQ(GPIOTE_IRQn);
jksoft 0:76dfa9657d9d 187
jksoft 0:76dfa9657d9d 188 return NRF_SUCCESS;
jksoft 0:76dfa9657d9d 189 }
jksoft 0:76dfa9657d9d 190
jksoft 0:76dfa9657d9d 191
jksoft 0:76dfa9657d9d 192 uint32_t app_gpiote_user_register(app_gpiote_user_id_t * p_user_id,
jksoft 0:76dfa9657d9d 193 uint32_t pins_low_to_high_mask,
jksoft 0:76dfa9657d9d 194 uint32_t pins_high_to_low_mask,
jksoft 0:76dfa9657d9d 195 app_gpiote_event_handler_t event_handler)
jksoft 0:76dfa9657d9d 196 {
jksoft 0:76dfa9657d9d 197 // Check state and parameters.
jksoft 0:76dfa9657d9d 198 if (mp_users == NULL)
jksoft 0:76dfa9657d9d 199 {
jksoft 0:76dfa9657d9d 200 return NRF_ERROR_INVALID_STATE;
jksoft 0:76dfa9657d9d 201 }
jksoft 0:76dfa9657d9d 202 if (event_handler == NULL)
jksoft 0:76dfa9657d9d 203 {
jksoft 0:76dfa9657d9d 204 return NRF_ERROR_INVALID_PARAM;
jksoft 0:76dfa9657d9d 205 }
jksoft 0:76dfa9657d9d 206 if (m_user_count >= m_user_array_size)
jksoft 0:76dfa9657d9d 207 {
jksoft 0:76dfa9657d9d 208 return NRF_ERROR_NO_MEM;
jksoft 0:76dfa9657d9d 209 }
jksoft 0:76dfa9657d9d 210
jksoft 0:76dfa9657d9d 211 // Allocate new user.
jksoft 0:76dfa9657d9d 212 mp_users[m_user_count].pins_mask = pins_low_to_high_mask | pins_high_to_low_mask;
jksoft 0:76dfa9657d9d 213 mp_users[m_user_count].pins_low_to_high_mask = pins_low_to_high_mask;
jksoft 0:76dfa9657d9d 214 mp_users[m_user_count].pins_high_to_low_mask = pins_high_to_low_mask;
jksoft 0:76dfa9657d9d 215 mp_users[m_user_count].event_handler = event_handler;
jksoft 0:76dfa9657d9d 216
jksoft 0:76dfa9657d9d 217 *p_user_id = m_user_count++;
jksoft 0:76dfa9657d9d 218
jksoft 0:76dfa9657d9d 219 // Make sure SENSE is disabled for all pins.
jksoft 0:76dfa9657d9d 220 pins_sense_disable(*p_user_id);
jksoft 0:76dfa9657d9d 221
jksoft 0:76dfa9657d9d 222 return NRF_SUCCESS;
jksoft 0:76dfa9657d9d 223 }
jksoft 0:76dfa9657d9d 224
jksoft 0:76dfa9657d9d 225
jksoft 0:76dfa9657d9d 226 uint32_t app_gpiote_user_enable(app_gpiote_user_id_t user_id)
jksoft 0:76dfa9657d9d 227 {
jksoft 0:76dfa9657d9d 228 uint32_t pin_no;
jksoft 0:76dfa9657d9d 229 uint32_t pins_state;
jksoft 0:76dfa9657d9d 230
jksoft 0:76dfa9657d9d 231 // Check state and parameters.
jksoft 0:76dfa9657d9d 232 if (mp_users == NULL)
jksoft 0:76dfa9657d9d 233 {
jksoft 0:76dfa9657d9d 234 return NRF_ERROR_INVALID_STATE;
jksoft 0:76dfa9657d9d 235 }
jksoft 0:76dfa9657d9d 236 if (user_id >= m_user_count)
jksoft 0:76dfa9657d9d 237 {
jksoft 0:76dfa9657d9d 238 return NRF_ERROR_INVALID_PARAM;
jksoft 0:76dfa9657d9d 239 }
jksoft 0:76dfa9657d9d 240
jksoft 0:76dfa9657d9d 241 // Clear any pending event.
jksoft 0:76dfa9657d9d 242 NRF_GPIOTE->EVENTS_PORT = 0;
jksoft 0:76dfa9657d9d 243 pins_state = NRF_GPIO->IN;
jksoft 0:76dfa9657d9d 244
jksoft 0:76dfa9657d9d 245 // Enable user.
jksoft 0:76dfa9657d9d 246 if (m_enabled_users_mask == 0)
jksoft 0:76dfa9657d9d 247 {
jksoft 0:76dfa9657d9d 248 NRF_GPIOTE->INTENSET = GPIOTE_INTENSET_PORT_Msk;
jksoft 0:76dfa9657d9d 249 }
jksoft 0:76dfa9657d9d 250 m_enabled_users_mask |= (1 << user_id);
jksoft 0:76dfa9657d9d 251
jksoft 0:76dfa9657d9d 252 // Enable sensing for all pins for specified user.
jksoft 0:76dfa9657d9d 253 mp_users[user_id].sense_high_pins = 0;
jksoft 0:76dfa9657d9d 254 for (pin_no = 0; pin_no < 32; pin_no++)
jksoft 0:76dfa9657d9d 255 {
jksoft 0:76dfa9657d9d 256 uint32_t pin_mask = (1 << pin_no);
jksoft 0:76dfa9657d9d 257
jksoft 0:76dfa9657d9d 258 if ((mp_users[user_id].pins_mask & pin_mask) != 0)
jksoft 0:76dfa9657d9d 259 {
jksoft 0:76dfa9657d9d 260 uint32_t sense;
jksoft 0:76dfa9657d9d 261
jksoft 0:76dfa9657d9d 262 if ((pins_state & pin_mask) != 0)
jksoft 0:76dfa9657d9d 263 {
jksoft 0:76dfa9657d9d 264 sense = GPIO_PIN_CNF_SENSE_Low << GPIO_PIN_CNF_SENSE_Pos;
jksoft 0:76dfa9657d9d 265 }
jksoft 0:76dfa9657d9d 266 else
jksoft 0:76dfa9657d9d 267 {
jksoft 0:76dfa9657d9d 268 sense = GPIO_PIN_CNF_SENSE_High << GPIO_PIN_CNF_SENSE_Pos;
jksoft 0:76dfa9657d9d 269 mp_users[user_id].sense_high_pins |= pin_mask;
jksoft 0:76dfa9657d9d 270 }
jksoft 0:76dfa9657d9d 271
jksoft 0:76dfa9657d9d 272 NRF_GPIO->PIN_CNF[pin_no] &= ~GPIO_PIN_CNF_SENSE_Msk;
jksoft 0:76dfa9657d9d 273 NRF_GPIO->PIN_CNF[pin_no] |= sense;
jksoft 0:76dfa9657d9d 274 }
jksoft 0:76dfa9657d9d 275 }
jksoft 0:76dfa9657d9d 276
jksoft 0:76dfa9657d9d 277 return NRF_SUCCESS;
jksoft 0:76dfa9657d9d 278 }
jksoft 0:76dfa9657d9d 279
jksoft 0:76dfa9657d9d 280
jksoft 0:76dfa9657d9d 281 uint32_t app_gpiote_user_disable(app_gpiote_user_id_t user_id)
jksoft 0:76dfa9657d9d 282 {
jksoft 0:76dfa9657d9d 283 // Check state and parameters.
jksoft 0:76dfa9657d9d 284 if (mp_users == NULL)
jksoft 0:76dfa9657d9d 285 {
jksoft 0:76dfa9657d9d 286 return NRF_ERROR_INVALID_STATE;
jksoft 0:76dfa9657d9d 287 }
jksoft 0:76dfa9657d9d 288 if (user_id >= m_user_count)
jksoft 0:76dfa9657d9d 289 {
jksoft 0:76dfa9657d9d 290 return NRF_ERROR_INVALID_PARAM;
jksoft 0:76dfa9657d9d 291 }
jksoft 0:76dfa9657d9d 292
jksoft 0:76dfa9657d9d 293 // Disable sensing for all pins for specified user.
jksoft 0:76dfa9657d9d 294 pins_sense_disable(user_id);
jksoft 0:76dfa9657d9d 295
jksoft 0:76dfa9657d9d 296 // Disable user.
jksoft 0:76dfa9657d9d 297 m_enabled_users_mask &= ~(1UL << user_id);
jksoft 0:76dfa9657d9d 298 if (m_enabled_users_mask == 0)
jksoft 0:76dfa9657d9d 299 {
jksoft 0:76dfa9657d9d 300 NRF_GPIOTE->INTENCLR = GPIOTE_INTENSET_PORT_Msk;
jksoft 0:76dfa9657d9d 301 }
jksoft 0:76dfa9657d9d 302
jksoft 0:76dfa9657d9d 303 return NRF_SUCCESS;
jksoft 0:76dfa9657d9d 304 }
jksoft 0:76dfa9657d9d 305
jksoft 0:76dfa9657d9d 306
jksoft 0:76dfa9657d9d 307 uint32_t app_gpiote_pins_state_get(app_gpiote_user_id_t user_id, uint32_t * p_pins)
jksoft 0:76dfa9657d9d 308 {
jksoft 0:76dfa9657d9d 309 gpiote_user_t * p_user;
jksoft 0:76dfa9657d9d 310
jksoft 0:76dfa9657d9d 311 // Check state and parameters.
jksoft 0:76dfa9657d9d 312 if (mp_users == NULL)
jksoft 0:76dfa9657d9d 313 {
jksoft 0:76dfa9657d9d 314 return NRF_ERROR_INVALID_STATE;
jksoft 0:76dfa9657d9d 315 }
jksoft 0:76dfa9657d9d 316 if (user_id >= m_user_count)
jksoft 0:76dfa9657d9d 317 {
jksoft 0:76dfa9657d9d 318 return NRF_ERROR_INVALID_PARAM;
jksoft 0:76dfa9657d9d 319 }
jksoft 0:76dfa9657d9d 320
jksoft 0:76dfa9657d9d 321 // Get pins.
jksoft 0:76dfa9657d9d 322 p_user = &mp_users[user_id];
jksoft 0:76dfa9657d9d 323 *p_pins = NRF_GPIO->IN & p_user->pins_mask;
jksoft 0:76dfa9657d9d 324
jksoft 0:76dfa9657d9d 325 return NRF_SUCCESS;
jksoft 0:76dfa9657d9d 326 }
jksoft 0:76dfa9657d9d 327
jksoft 0:76dfa9657d9d 328 #if defined(SVCALL_AS_NORMAL_FUNCTION) || defined(SER_CONNECTIVITY)
jksoft 0:76dfa9657d9d 329 uint32_t app_gpiote_input_event_handler_register(const uint8_t channel,
jksoft 0:76dfa9657d9d 330 const uint32_t pin,
jksoft 0:76dfa9657d9d 331 const uint32_t polarity,
jksoft 0:76dfa9657d9d 332 app_gpiote_input_event_handler_t event_handler)
jksoft 0:76dfa9657d9d 333 {
jksoft 0:76dfa9657d9d 334 (void)sense_level_toggle(NULL, pin);
jksoft 0:76dfa9657d9d 335 return NRF_ERROR_NOT_SUPPORTED;
jksoft 0:76dfa9657d9d 336 }
jksoft 0:76dfa9657d9d 337
jksoft 0:76dfa9657d9d 338 uint32_t app_gpiote_input_event_handler_unregister(const uint8_t channel)
jksoft 0:76dfa9657d9d 339 {
jksoft 0:76dfa9657d9d 340 return NRF_ERROR_NOT_SUPPORTED;
jksoft 0:76dfa9657d9d 341 }
jksoft 0:76dfa9657d9d 342
jksoft 0:76dfa9657d9d 343 uint32_t app_gpiote_end_irq_event_handler_register(app_gpiote_input_event_handler_t event_handler)
jksoft 0:76dfa9657d9d 344 {
jksoft 0:76dfa9657d9d 345 return NRF_ERROR_NOT_SUPPORTED;
jksoft 0:76dfa9657d9d 346 }
jksoft 0:76dfa9657d9d 347
jksoft 0:76dfa9657d9d 348 uint32_t app_gpiote_end_irq_event_handler_unregister(void)
jksoft 0:76dfa9657d9d 349 {
jksoft 0:76dfa9657d9d 350 return NRF_ERROR_NOT_SUPPORTED;
jksoft 0:76dfa9657d9d 351 }
jksoft 0:76dfa9657d9d 352
jksoft 0:76dfa9657d9d 353 uint32_t app_gpiote_enable_interrupts(void)
jksoft 0:76dfa9657d9d 354 {
jksoft 0:76dfa9657d9d 355 return NRF_ERROR_NOT_SUPPORTED;
jksoft 0:76dfa9657d9d 356 }
jksoft 0:76dfa9657d9d 357
jksoft 0:76dfa9657d9d 358 uint32_t app_gpiote_disable_interrupts(void)
jksoft 0:76dfa9657d9d 359 {
jksoft 0:76dfa9657d9d 360 return NRF_ERROR_NOT_SUPPORTED;
jksoft 0:76dfa9657d9d 361 }
jksoft 0:76dfa9657d9d 362 #endif // SVCALL_AS_NORMAL_FUNCTION || SER_CONNECTIVITY
jksoft 0:76dfa9657d9d 363
jksoft 0:76dfa9657d9d 364 #endif // #if NEED_APP_GPIOTE