Renesas / mbed-src_GR-PEACH_rev_b

mbed library sources for GR-PEACH rev.B.

Fork of mbed-src by mbed official

targets/hal/TARGET_STM/TARGET_DISCO_F100RB/gpio_irq_api.c@497:d54623194236, 2015-03-26 (annotated)

Committer:
mbed_official
Date:
Thu Mar 26 13:45:12 2015 +0000
Revision:
497:d54623194236
Parent:
285:31249416b6f9 
Synchronized with git revision 0251fefac99a5b59beb481e845c6fbf48736bac6



Full URL: https://github.com/mbedmicro/mbed/commit/0251fefac99a5b59beb481e845c6fbf48736bac6/



DISCO_F100RB -Support HAL driver

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 126:549ba18ddd81 1 /* mbed Microcontroller Library
mbed_official 126:549ba18ddd81 2 *******************************************************************************
mbed_official 126:549ba18ddd81 3 * Copyright (c) 2014, STMicroelectronics
mbed_official 126:549ba18ddd81 4 * All rights reserved.
mbed_official 126:549ba18ddd81 5 *
mbed_official 126:549ba18ddd81 6 * Redistribution and use in source and binary forms, with or without
mbed_official 126:549ba18ddd81 7 * modification, are permitted provided that the following conditions are met:
mbed_official 126:549ba18ddd81 8 *
mbed_official 126:549ba18ddd81 9 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 126:549ba18ddd81 10 * this list of conditions and the following disclaimer.
mbed_official 126:549ba18ddd81 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 126:549ba18ddd81 12 * this list of conditions and the following disclaimer in the documentation
mbed_official 126:549ba18ddd81 13 * and/or other materials provided with the distribution.
mbed_official 126:549ba18ddd81 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 126:549ba18ddd81 15 * may be used to endorse or promote products derived from this software
mbed_official 126:549ba18ddd81 16 * without specific prior written permission.
mbed_official 126:549ba18ddd81 17 *
mbed_official 126:549ba18ddd81 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 126:549ba18ddd81 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 126:549ba18ddd81 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 126:549ba18ddd81 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 126:549ba18ddd81 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 126:549ba18ddd81 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 126:549ba18ddd81 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 126:549ba18ddd81 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 126:549ba18ddd81 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 126:549ba18ddd81 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 126:549ba18ddd81 28 *******************************************************************************
mbed_official 126:549ba18ddd81 29 */
mbed_official 126:549ba18ddd81 30 #include <stddef.h>
mbed_official 126:549ba18ddd81 31 #include "cmsis.h"
mbed_official 126:549ba18ddd81 32
mbed_official 126:549ba18ddd81 33 #include "gpio_irq_api.h"
mbed_official 126:549ba18ddd81 34 #include "pinmap.h"
mbed_official 285:31249416b6f9 35 #include "mbed_error.h"
mbed_official 126:549ba18ddd81 36
mbed_official 126:549ba18ddd81 37 #define EDGE_NONE (0)
mbed_official 126:549ba18ddd81 38 #define EDGE_RISE (1)
mbed_official 126:549ba18ddd81 39 #define EDGE_FALL (2)
mbed_official 126:549ba18ddd81 40 #define EDGE_BOTH (3)
mbed_official 126:549ba18ddd81 41
mbed_official 497:d54623194236 42 // Number of EXTI irq vectors (EXTI0, EXTI1, EXTI2, EXTI3, EXTI4, EXTI5_9, EXTI10_15)
mbed_official 497:d54623194236 43 #define CHANNEL_NUM (7)
mbed_official 497:d54623194236 44
mbed_official 497:d54623194236 45 // Max pins for one line (max with EXTI10_15)
mbed_official 497:d54623194236 46 #define MAX_PIN_LINE (6)
mbed_official 497:d54623194236 47
mbed_official 497:d54623194236 48 typedef struct gpio_channel {
mbed_official 497:d54623194236 49 uint32_t pin_mask; // bitmask representing which pins are configured for receiving interrupts
mbed_official 497:d54623194236 50 uint32_t channel_ids[MAX_PIN_LINE]; // mbed "gpio_irq_t gpio_irq" field of instance
mbed_official 497:d54623194236 51 uint32_t channel_gpio[MAX_PIN_LINE]; // base address of gpio port group
mbed_official 497:d54623194236 52 uint32_t channel_pin[MAX_PIN_LINE]; // pin number in port group
mbed_official 497:d54623194236 53 } gpio_channel_t;
mbed_official 497:d54623194236 54
mbed_official 497:d54623194236 55 static gpio_channel_t channels[CHANNEL_NUM] = {
mbed_official 497:d54623194236 56 {.pin_mask = 0},
mbed_official 497:d54623194236 57 {.pin_mask = 0},
mbed_official 497:d54623194236 58 {.pin_mask = 0},
mbed_official 497:d54623194236 59 {.pin_mask = 0},
mbed_official 497:d54623194236 60 {.pin_mask = 0},
mbed_official 497:d54623194236 61 {.pin_mask = 0},
mbed_official 497:d54623194236 62 {.pin_mask = 0}
mbed_official 497:d54623194236 63 };
mbed_official 126:549ba18ddd81 64
mbed_official 497:d54623194236 65 // Used to return the index for channels array.
mbed_official 497:d54623194236 66 static uint32_t pin_base_nr[16] = {
mbed_official 497:d54623194236 67 // EXTI0
mbed_official 497:d54623194236 68 0, // pin 0
mbed_official 497:d54623194236 69 // EXTI1
mbed_official 497:d54623194236 70 0, // pin 1
mbed_official 497:d54623194236 71 // EXTI2
mbed_official 497:d54623194236 72 0, // pin 2
mbed_official 497:d54623194236 73 // EXTI3
mbed_official 497:d54623194236 74 0, // pin 3
mbed_official 497:d54623194236 75 // EXTI4
mbed_official 497:d54623194236 76 0, // pin 4
mbed_official 497:d54623194236 77 // EXTI5_9
mbed_official 497:d54623194236 78 0, // pin 5
mbed_official 497:d54623194236 79 1, // pin 6
mbed_official 497:d54623194236 80 2, // pin 7
mbed_official 497:d54623194236 81 3, // pin 8
mbed_official 497:d54623194236 82 4, // pin 9
mbed_official 497:d54623194236 83 // EXTI10_15
mbed_official 497:d54623194236 84 0, // pin 10
mbed_official 497:d54623194236 85 1, // pin 11
mbed_official 497:d54623194236 86 2, // pin 12
mbed_official 497:d54623194236 87 3, // pin 13
mbed_official 497:d54623194236 88 4, // pin 14
mbed_official 497:d54623194236 89 5 // pin 15
mbed_official 497:d54623194236 90 };
mbed_official 126:549ba18ddd81 91
mbed_official 126:549ba18ddd81 92 static gpio_irq_handler irq_handler;
mbed_official 126:549ba18ddd81 93
mbed_official 497:d54623194236 94 static void handle_interrupt_in(uint32_t irq_index, uint32_t max_num_pin_line)
mbed_official 497:d54623194236 95 {
mbed_official 497:d54623194236 96 gpio_channel_t *gpio_channel = &channels[irq_index];
mbed_official 497:d54623194236 97 uint32_t gpio_idx;
mbed_official 497:d54623194236 98
mbed_official 497:d54623194236 99 for (gpio_idx = 0; gpio_idx < max_num_pin_line; gpio_idx++) {
mbed_official 497:d54623194236 100 uint32_t current_mask = (1 << gpio_idx);
mbed_official 497:d54623194236 101
mbed_official 497:d54623194236 102 if (gpio_channel->pin_mask & current_mask) {
mbed_official 163:995a0017c116 103 // Retrieve the gpio and pin that generate the irq
mbed_official 497:d54623194236 104 GPIO_TypeDef *gpio = (GPIO_TypeDef *)(gpio_channel->channel_gpio[gpio_idx]);
mbed_official 497:d54623194236 105 uint32_t pin = (uint32_t)(1 << (gpio_channel->channel_pin[gpio_idx]));
mbed_official 497:d54623194236 106
mbed_official 163:995a0017c116 107 // Clear interrupt flag
mbed_official 497:d54623194236 108 if (__HAL_GPIO_EXTI_GET_FLAG(pin) != RESET) {
mbed_official 497:d54623194236 109 __HAL_GPIO_EXTI_CLEAR_FLAG(pin);
mbed_official 497:d54623194236 110
mbed_official 497:d54623194236 111 if (gpio_channel->channel_ids[gpio_idx] == 0) continue;
mbed_official 497:d54623194236 112
mbed_official 163:995a0017c116 113 // Check which edge has generated the irq
mbed_official 163:995a0017c116 114 if ((gpio->IDR & pin) == 0) {
mbed_official 497:d54623194236 115 irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_FALL);
mbed_official 163:995a0017c116 116 } else {
mbed_official 497:d54623194236 117 irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_RISE);
mbed_official 497:d54623194236 118 }
mbed_official 497:d54623194236 119 }
mbed_official 163:995a0017c116 120 }
mbed_official 163:995a0017c116 121 }
mbed_official 497:d54623194236 122 }
mbed_official 497:d54623194236 123
mbed_official 497:d54623194236 124 // EXTI line 0
mbed_official 497:d54623194236 125 static void gpio_irq0(void)
mbed_official 497:d54623194236 126 {
mbed_official 497:d54623194236 127 handle_interrupt_in(0, 1);
mbed_official 497:d54623194236 128 }
mbed_official 497:d54623194236 129
mbed_official 497:d54623194236 130 // EXTI line 1
mbed_official 497:d54623194236 131 static void gpio_irq1(void)
mbed_official 497:d54623194236 132 {
mbed_official 497:d54623194236 133 handle_interrupt_in(1, 1);
mbed_official 163:995a0017c116 134 }
mbed_official 162:937d965048d3 135
mbed_official 497:d54623194236 136 // EXTI line 2
mbed_official 497:d54623194236 137 static void gpio_irq2(void)
mbed_official 497:d54623194236 138 {
mbed_official 497:d54623194236 139 handle_interrupt_in(2, 1);
mbed_official 497:d54623194236 140 }
mbed_official 126:549ba18ddd81 141
mbed_official 497:d54623194236 142 // EXTI line 3
mbed_official 497:d54623194236 143 static void gpio_irq3(void)
mbed_official 497:d54623194236 144 {
mbed_official 497:d54623194236 145 handle_interrupt_in(3, 1);
mbed_official 497:d54623194236 146 }
mbed_official 497:d54623194236 147
mbed_official 497:d54623194236 148 // EXTI line 4
mbed_official 497:d54623194236 149 static void gpio_irq4(void)
mbed_official 497:d54623194236 150 {
mbed_official 497:d54623194236 151 handle_interrupt_in(4, 1);
mbed_official 497:d54623194236 152 }
mbed_official 497:d54623194236 153
mbed_official 497:d54623194236 154 // EXTI lines 5 to 9
mbed_official 497:d54623194236 155 static void gpio_irq5(void)
mbed_official 497:d54623194236 156 {
mbed_official 497:d54623194236 157 handle_interrupt_in(5, 5);
mbed_official 497:d54623194236 158 }
mbed_official 497:d54623194236 159
mbed_official 497:d54623194236 160 // EXTI lines 10 to 15
mbed_official 497:d54623194236 161 static void gpio_irq6(void)
mbed_official 497:d54623194236 162 {
mbed_official 497:d54623194236 163 handle_interrupt_in(6, 6);
mbed_official 497:d54623194236 164 }
mbed_official 126:549ba18ddd81 165
mbed_official 126:549ba18ddd81 166 extern uint32_t Set_GPIO_Clock(uint32_t port_idx);
mbed_official 126:549ba18ddd81 167
mbed_official 497:d54623194236 168 int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id)
mbed_official 497:d54623194236 169 {
mbed_official 126:549ba18ddd81 170 IRQn_Type irq_n = (IRQn_Type)0;
mbed_official 126:549ba18ddd81 171 uint32_t vector = 0;
mbed_official 126:549ba18ddd81 172 uint32_t irq_index;
mbed_official 497:d54623194236 173 gpio_channel_t *gpio_channel;
mbed_official 497:d54623194236 174 uint32_t gpio_idx;
mbed_official 126:549ba18ddd81 175
mbed_official 126:549ba18ddd81 176 if (pin == NC) return -1;
mbed_official 126:549ba18ddd81 177
mbed_official 126:549ba18ddd81 178 uint32_t port_index = STM_PORT(pin);
mbed_official 126:549ba18ddd81 179 uint32_t pin_index = STM_PIN(pin);
mbed_official 126:549ba18ddd81 180
mbed_official 126:549ba18ddd81 181 // Select irq number and interrupt routine
mbed_official 162:937d965048d3 182 switch (pin_index) {
mbed_official 162:937d965048d3 183 case 0:
mbed_official 162:937d965048d3 184 irq_n = EXTI0_IRQn;
mbed_official 126:549ba18ddd81 185 vector = (uint32_t)&gpio_irq0;
mbed_official 126:549ba18ddd81 186 irq_index = 0;
mbed_official 126:549ba18ddd81 187 break;
mbed_official 162:937d965048d3 188 case 1:
mbed_official 162:937d965048d3 189 irq_n = EXTI1_IRQn;
mbed_official 126:549ba18ddd81 190 vector = (uint32_t)&gpio_irq1;
mbed_official 126:549ba18ddd81 191 irq_index = 1;
mbed_official 126:549ba18ddd81 192 break;
mbed_official 162:937d965048d3 193 case 2:
mbed_official 162:937d965048d3 194 irq_n = EXTI2_IRQn;
mbed_official 126:549ba18ddd81 195 vector = (uint32_t)&gpio_irq2;
mbed_official 126:549ba18ddd81 196 irq_index = 2;
mbed_official 126:549ba18ddd81 197 break;
mbed_official 162:937d965048d3 198 case 3:
mbed_official 162:937d965048d3 199 irq_n = EXTI3_IRQn;
mbed_official 126:549ba18ddd81 200 vector = (uint32_t)&gpio_irq3;
mbed_official 126:549ba18ddd81 201 irq_index = 3;
mbed_official 126:549ba18ddd81 202 break;
mbed_official 162:937d965048d3 203 case 4:
mbed_official 162:937d965048d3 204 irq_n = EXTI4_IRQn;
mbed_official 162:937d965048d3 205 vector = (uint32_t)&gpio_irq4;
mbed_official 162:937d965048d3 206 irq_index = 4;
mbed_official 162:937d965048d3 207 break;
mbed_official 162:937d965048d3 208 case 5:
mbed_official 162:937d965048d3 209 case 6:
mbed_official 162:937d965048d3 210 case 7:
mbed_official 162:937d965048d3 211 case 8:
mbed_official 162:937d965048d3 212 case 9:
mbed_official 162:937d965048d3 213 irq_n = EXTI9_5_IRQn;
mbed_official 162:937d965048d3 214 vector = (uint32_t)&gpio_irq5;
mbed_official 497:d54623194236 215 irq_index = 5;
mbed_official 162:937d965048d3 216 break;
mbed_official 162:937d965048d3 217 case 10:
mbed_official 162:937d965048d3 218 case 11:
mbed_official 162:937d965048d3 219 case 12:
mbed_official 162:937d965048d3 220 case 13:
mbed_official 162:937d965048d3 221 case 14:
mbed_official 162:937d965048d3 222 case 15:
mbed_official 162:937d965048d3 223 irq_n = EXTI15_10_IRQn;
mbed_official 162:937d965048d3 224 vector = (uint32_t)&gpio_irq6;
mbed_official 497:d54623194236 225 irq_index = 6;
mbed_official 162:937d965048d3 226 break;
mbed_official 126:549ba18ddd81 227 default:
mbed_official 162:937d965048d3 228 error("InterruptIn error: pin not supported.\n");
mbed_official 126:549ba18ddd81 229 return -1;
mbed_official 126:549ba18ddd81 230 }
mbed_official 126:549ba18ddd81 231 // Enable GPIO clock
mbed_official 126:549ba18ddd81 232 uint32_t gpio_add = Set_GPIO_Clock(port_index);
mbed_official 126:549ba18ddd81 233
mbed_official 497:d54623194236 234 // Configure GPIO
mbed_official 497:d54623194236 235 pin_function(pin, STM_PIN_DATA(STM_MODE_IT_FALLING, GPIO_NOPULL, 0));
mbed_official 126:549ba18ddd81 236
mbed_official 497:d54623194236 237 // Enable EXTI interrupt
mbed_official 126:549ba18ddd81 238 NVIC_SetVector(irq_n, vector);
mbed_official 126:549ba18ddd81 239 NVIC_EnableIRQ(irq_n);
mbed_official 126:549ba18ddd81 240
mbed_official 126:549ba18ddd81 241 // Save informations for future use
mbed_official 126:549ba18ddd81 242 obj->irq_n = irq_n;
mbed_official 126:549ba18ddd81 243 obj->irq_index = irq_index;
mbed_official 126:549ba18ddd81 244 obj->event = EDGE_NONE;
mbed_official 497:d54623194236 245 obj->pin = pin;
mbed_official 497:d54623194236 246
mbed_official 497:d54623194236 247 gpio_channel = &channels[irq_index];
mbed_official 497:d54623194236 248 gpio_idx = pin_base_nr[pin_index];
mbed_official 497:d54623194236 249 gpio_channel->pin_mask |= (1 << gpio_idx);
mbed_official 497:d54623194236 250 gpio_channel->channel_ids[gpio_idx] = id;
mbed_official 497:d54623194236 251 gpio_channel->channel_gpio[gpio_idx] = gpio_add;
mbed_official 497:d54623194236 252 gpio_channel->channel_pin[gpio_idx] = pin_index;
mbed_official 126:549ba18ddd81 253
mbed_official 126:549ba18ddd81 254 irq_handler = handler;
mbed_official 126:549ba18ddd81 255
mbed_official 126:549ba18ddd81 256 return 0;
mbed_official 126:549ba18ddd81 257 }
mbed_official 126:549ba18ddd81 258
mbed_official 497:d54623194236 259 void gpio_irq_free(gpio_irq_t *obj)
mbed_official 497:d54623194236 260 {
mbed_official 497:d54623194236 261 gpio_channel_t *gpio_channel = &channels[obj->irq_index];
mbed_official 497:d54623194236 262 uint32_t pin_index = STM_PIN(obj->pin);
mbed_official 497:d54623194236 263 uint32_t gpio_idx = pin_base_nr[pin_index];
mbed_official 497:d54623194236 264
mbed_official 497:d54623194236 265 gpio_channel->pin_mask &= ~(1 << gpio_idx);
mbed_official 497:d54623194236 266 gpio_channel->channel_ids[gpio_idx] = 0;
mbed_official 497:d54623194236 267 gpio_channel->channel_gpio[gpio_idx] = 0;
mbed_official 497:d54623194236 268 gpio_channel->channel_pin[gpio_idx] = 0;
mbed_official 497:d54623194236 269
mbed_official 126:549ba18ddd81 270 // Disable EXTI line
mbed_official 497:d54623194236 271 pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
mbed_official 126:549ba18ddd81 272 obj->event = EDGE_NONE;
mbed_official 126:549ba18ddd81 273 }
mbed_official 126:549ba18ddd81 274
mbed_official 497:d54623194236 275 void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable)
mbed_official 497:d54623194236 276 {
mbed_official 497:d54623194236 277 uint32_t mode = STM_MODE_IT_EVT_RESET;
mbed_official 497:d54623194236 278 uint32_t pull = GPIO_NOPULL;
mbed_official 126:549ba18ddd81 279
mbed_official 497:d54623194236 280 if (enable) {
mbed_official 126:549ba18ddd81 281 if (event == IRQ_RISE) {
mbed_official 126:549ba18ddd81 282 if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) {
mbed_official 497:d54623194236 283 mode = STM_MODE_IT_RISING_FALLING;
mbed_official 126:549ba18ddd81 284 obj->event = EDGE_BOTH;
mbed_official 497:d54623194236 285 } else { // NONE or RISE
mbed_official 497:d54623194236 286 mode = STM_MODE_IT_RISING;
mbed_official 126:549ba18ddd81 287 obj->event = EDGE_RISE;
mbed_official 126:549ba18ddd81 288 }
mbed_official 126:549ba18ddd81 289 }
mbed_official 126:549ba18ddd81 290 if (event == IRQ_FALL) {
mbed_official 126:549ba18ddd81 291 if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) {
mbed_official 497:d54623194236 292 mode = STM_MODE_IT_RISING_FALLING;
mbed_official 126:549ba18ddd81 293 obj->event = EDGE_BOTH;
mbed_official 497:d54623194236 294 } else { // NONE or FALL
mbed_official 497:d54623194236 295 mode = STM_MODE_IT_FALLING;
mbed_official 497:d54623194236 296 obj->event = EDGE_FALL;
mbed_official 497:d54623194236 297 }
mbed_official 126:549ba18ddd81 298 }
mbed_official 497:d54623194236 299 } else { // Disable
mbed_official 497:d54623194236 300 if (event == IRQ_RISE) {
mbed_official 497:d54623194236 301 if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) {
mbed_official 497:d54623194236 302 mode = STM_MODE_IT_FALLING;
mbed_official 126:549ba18ddd81 303 obj->event = EDGE_FALL;
mbed_official 497:d54623194236 304 } else { // NONE or RISE
mbed_official 497:d54623194236 305 mode = STM_MODE_IT_EVT_RESET;
mbed_official 497:d54623194236 306 obj->event = EDGE_NONE;
mbed_official 126:549ba18ddd81 307 }
mbed_official 126:549ba18ddd81 308 }
mbed_official 497:d54623194236 309 if (event == IRQ_FALL) {
mbed_official 497:d54623194236 310 if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) {
mbed_official 497:d54623194236 311 mode = STM_MODE_IT_RISING;
mbed_official 497:d54623194236 312 obj->event = EDGE_RISE;
mbed_official 497:d54623194236 313 } else { // NONE or FALL
mbed_official 497:d54623194236 314 mode = STM_MODE_IT_EVT_RESET;
mbed_official 497:d54623194236 315 obj->event = EDGE_NONE;
mbed_official 497:d54623194236 316 }
mbed_official 497:d54623194236 317 }
mbed_official 497:d54623194236 318 }
mbed_official 126:549ba18ddd81 319
mbed_official 497:d54623194236 320 pin_function(obj->pin, STM_PIN_DATA(mode, pull, 0));
mbed_official 126:549ba18ddd81 321 }
mbed_official 126:549ba18ddd81 322
mbed_official 497:d54623194236 323 void gpio_irq_enable(gpio_irq_t *obj)
mbed_official 497:d54623194236 324 {
mbed_official 126:549ba18ddd81 325 NVIC_EnableIRQ(obj->irq_n);
mbed_official 126:549ba18ddd81 326 }
mbed_official 126:549ba18ddd81 327
mbed_official 497:d54623194236 328 void gpio_irq_disable(gpio_irq_t *obj)
mbed_official 497:d54623194236 329 {
mbed_official 126:549ba18ddd81 330 NVIC_DisableIRQ(obj->irq_n);
mbed_official 126:549ba18ddd81 331 obj->event = EDGE_NONE;
mbed_official 126:549ba18ddd81 332 }