Andrew SaLoutos / mbed-dev-STM-lean

From Ben Katz mbed-dev library. Removed unnecessary target files to reduce the overall size by a factor of 10 to make it easier to import into the online IDE.

Dependents:   motor_driver motor_driver_screaming_fix

targets/TARGET_STM/gpio_irq_api.c@0:083111ae2a11, 2020-11-26 (annotated)

Committer:
saloutos
Date:
Thu Nov 26 04:08:56 2020 +0000
Revision:
0:083111ae2a11
first commit of leaned mbed dev lib

Who changed what in which revision?

UserRevisionLine numberNew contents of line
saloutos 0:083111ae2a11 1 /* mbed Microcontroller Library
saloutos 0:083111ae2a11 2 *******************************************************************************
saloutos 0:083111ae2a11 3 * Copyright (c) 2014, STMicroelectronics
saloutos 0:083111ae2a11 4 * All rights reserved.
saloutos 0:083111ae2a11 5 *
saloutos 0:083111ae2a11 6 * Redistribution and use in source and binary forms, with or without
saloutos 0:083111ae2a11 7 * modification, are permitted provided that the following conditions are met:
saloutos 0:083111ae2a11 8 *
saloutos 0:083111ae2a11 9 * 1. Redistributions of source code must retain the above copyright notice,
saloutos 0:083111ae2a11 10 * this list of conditions and the following disclaimer.
saloutos 0:083111ae2a11 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
saloutos 0:083111ae2a11 12 * this list of conditions and the following disclaimer in the documentation
saloutos 0:083111ae2a11 13 * and/or other materials provided with the distribution.
saloutos 0:083111ae2a11 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
saloutos 0:083111ae2a11 15 * may be used to endorse or promote products derived from this software
saloutos 0:083111ae2a11 16 * without specific prior written permission.
saloutos 0:083111ae2a11 17 *
saloutos 0:083111ae2a11 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
saloutos 0:083111ae2a11 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
saloutos 0:083111ae2a11 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
saloutos 0:083111ae2a11 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
saloutos 0:083111ae2a11 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
saloutos 0:083111ae2a11 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
saloutos 0:083111ae2a11 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
saloutos 0:083111ae2a11 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
saloutos 0:083111ae2a11 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
saloutos 0:083111ae2a11 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
saloutos 0:083111ae2a11 28 *******************************************************************************
saloutos 0:083111ae2a11 29 */
saloutos 0:083111ae2a11 30 #include <stddef.h>
saloutos 0:083111ae2a11 31 #include "cmsis.h"
saloutos 0:083111ae2a11 32 #include "gpio_irq_api.h"
saloutos 0:083111ae2a11 33 #include "pinmap.h"
saloutos 0:083111ae2a11 34 #include "mbed_error.h"
saloutos 0:083111ae2a11 35 #include "gpio_irq_device.h"
saloutos 0:083111ae2a11 36
saloutos 0:083111ae2a11 37 #define EDGE_NONE (0)
saloutos 0:083111ae2a11 38 #define EDGE_RISE (1)
saloutos 0:083111ae2a11 39 #define EDGE_FALL (2)
saloutos 0:083111ae2a11 40 #define EDGE_BOTH (3)
saloutos 0:083111ae2a11 41
saloutos 0:083111ae2a11 42
saloutos 0:083111ae2a11 43 typedef struct gpio_channel {
saloutos 0:083111ae2a11 44 uint32_t pin_mask; // bitmask representing which pins are configured for receiving interrupts
saloutos 0:083111ae2a11 45 uint32_t channel_ids[MAX_PIN_LINE]; // mbed "gpio_irq_t gpio_irq" field of instance
saloutos 0:083111ae2a11 46 GPIO_TypeDef* channel_gpio[MAX_PIN_LINE]; // base address of gpio port group
saloutos 0:083111ae2a11 47 uint32_t channel_pin[MAX_PIN_LINE]; // pin number in port group
saloutos 0:083111ae2a11 48 } gpio_channel_t;
saloutos 0:083111ae2a11 49
saloutos 0:083111ae2a11 50 static gpio_irq_handler irq_handler;
saloutos 0:083111ae2a11 51
saloutos 0:083111ae2a11 52 static gpio_channel_t channels[CHANNEL_NUM] = {
saloutos 0:083111ae2a11 53 #ifdef EXTI_IRQ0_NUM_LINES
saloutos 0:083111ae2a11 54 {.pin_mask = 0},
saloutos 0:083111ae2a11 55 #endif
saloutos 0:083111ae2a11 56 #ifdef EXTI_IRQ1_NUM_LINES
saloutos 0:083111ae2a11 57 {.pin_mask = 0},
saloutos 0:083111ae2a11 58 #endif
saloutos 0:083111ae2a11 59 #ifdef EXTI_IRQ2_NUM_LINES
saloutos 0:083111ae2a11 60 {.pin_mask = 0},
saloutos 0:083111ae2a11 61 #endif
saloutos 0:083111ae2a11 62 #ifdef EXTI_IRQ3_NUM_LINES
saloutos 0:083111ae2a11 63 {.pin_mask = 0},
saloutos 0:083111ae2a11 64 #endif
saloutos 0:083111ae2a11 65 #ifdef EXTI_IRQ4_NUM_LINES
saloutos 0:083111ae2a11 66 {.pin_mask = 0},
saloutos 0:083111ae2a11 67 #endif
saloutos 0:083111ae2a11 68 #ifdef EXTI_IRQ5_NUM_LINES
saloutos 0:083111ae2a11 69 {.pin_mask = 0},
saloutos 0:083111ae2a11 70 #endif
saloutos 0:083111ae2a11 71 #ifdef EXTI_IRQ6_NUM_LINES
saloutos 0:083111ae2a11 72 {.pin_mask = 0}
saloutos 0:083111ae2a11 73 #endif
saloutos 0:083111ae2a11 74 };
saloutos 0:083111ae2a11 75
saloutos 0:083111ae2a11 76 static void handle_interrupt_in(uint32_t irq_index, uint32_t max_num_pin_line)
saloutos 0:083111ae2a11 77 {
saloutos 0:083111ae2a11 78 gpio_channel_t *gpio_channel = &channels[irq_index];
saloutos 0:083111ae2a11 79 uint32_t gpio_idx;
saloutos 0:083111ae2a11 80
saloutos 0:083111ae2a11 81 for (gpio_idx = 0; gpio_idx < max_num_pin_line; gpio_idx++) {
saloutos 0:083111ae2a11 82 uint32_t current_mask = (1 << gpio_idx);
saloutos 0:083111ae2a11 83
saloutos 0:083111ae2a11 84 if (gpio_channel->pin_mask & current_mask) {
saloutos 0:083111ae2a11 85 // Retrieve the gpio and pin that generate the irq
saloutos 0:083111ae2a11 86 GPIO_TypeDef *gpio = (GPIO_TypeDef *)(gpio_channel->channel_gpio[gpio_idx]);
saloutos 0:083111ae2a11 87 uint32_t pin = (uint32_t)(1 << (gpio_channel->channel_pin[gpio_idx]));
saloutos 0:083111ae2a11 88
saloutos 0:083111ae2a11 89 // Clear interrupt flag
saloutos 0:083111ae2a11 90 if (__HAL_GPIO_EXTI_GET_FLAG(pin) != RESET) {
saloutos 0:083111ae2a11 91 __HAL_GPIO_EXTI_CLEAR_FLAG(pin);
saloutos 0:083111ae2a11 92
saloutos 0:083111ae2a11 93 if (gpio_channel->channel_ids[gpio_idx] == 0) {
saloutos 0:083111ae2a11 94 continue;
saloutos 0:083111ae2a11 95 }
saloutos 0:083111ae2a11 96
saloutos 0:083111ae2a11 97 // Check which edge has generated the irq
saloutos 0:083111ae2a11 98 if ((gpio->IDR & pin) == 0) {
saloutos 0:083111ae2a11 99 irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_FALL);
saloutos 0:083111ae2a11 100 } else {
saloutos 0:083111ae2a11 101 irq_handler(gpio_channel->channel_ids[gpio_idx], IRQ_RISE);
saloutos 0:083111ae2a11 102 }
saloutos 0:083111ae2a11 103 return;
saloutos 0:083111ae2a11 104 }
saloutos 0:083111ae2a11 105 }
saloutos 0:083111ae2a11 106 }
saloutos 0:083111ae2a11 107 error("Unexpected Spurious interrupt, index %d\r\n", irq_index);
saloutos 0:083111ae2a11 108 }
saloutos 0:083111ae2a11 109
saloutos 0:083111ae2a11 110
saloutos 0:083111ae2a11 111 #ifdef EXTI_IRQ0_NUM_LINES
saloutos 0:083111ae2a11 112 // EXTI line 0
saloutos 0:083111ae2a11 113 static void gpio_irq0(void)
saloutos 0:083111ae2a11 114 {
saloutos 0:083111ae2a11 115 handle_interrupt_in(0, EXTI_IRQ0_NUM_LINES);
saloutos 0:083111ae2a11 116 }
saloutos 0:083111ae2a11 117 #endif
saloutos 0:083111ae2a11 118 #ifdef EXTI_IRQ1_NUM_LINES
saloutos 0:083111ae2a11 119 // EXTI line 1
saloutos 0:083111ae2a11 120 static void gpio_irq1(void)
saloutos 0:083111ae2a11 121 {
saloutos 0:083111ae2a11 122 handle_interrupt_in(1, EXTI_IRQ1_NUM_LINES);
saloutos 0:083111ae2a11 123 }
saloutos 0:083111ae2a11 124 #endif
saloutos 0:083111ae2a11 125 #ifdef EXTI_IRQ2_NUM_LINES
saloutos 0:083111ae2a11 126 // EXTI line 2
saloutos 0:083111ae2a11 127 static void gpio_irq2(void)
saloutos 0:083111ae2a11 128 {
saloutos 0:083111ae2a11 129 handle_interrupt_in(2, EXTI_IRQ2_NUM_LINES);
saloutos 0:083111ae2a11 130 }
saloutos 0:083111ae2a11 131 #endif
saloutos 0:083111ae2a11 132 #ifdef EXTI_IRQ3_NUM_LINES
saloutos 0:083111ae2a11 133 // EXTI line 3
saloutos 0:083111ae2a11 134 static void gpio_irq3(void)
saloutos 0:083111ae2a11 135 {
saloutos 0:083111ae2a11 136 handle_interrupt_in(3, EXTI_IRQ3_NUM_LINES);
saloutos 0:083111ae2a11 137 }
saloutos 0:083111ae2a11 138 #endif
saloutos 0:083111ae2a11 139 #ifdef EXTI_IRQ4_NUM_LINES
saloutos 0:083111ae2a11 140 // EXTI line 4
saloutos 0:083111ae2a11 141 static void gpio_irq4(void)
saloutos 0:083111ae2a11 142 {
saloutos 0:083111ae2a11 143 handle_interrupt_in(4, EXTI_IRQ4_NUM_LINES);
saloutos 0:083111ae2a11 144 }
saloutos 0:083111ae2a11 145 #endif
saloutos 0:083111ae2a11 146 #ifdef EXTI_IRQ5_NUM_LINES
saloutos 0:083111ae2a11 147 // EXTI lines 5 to 9
saloutos 0:083111ae2a11 148 static void gpio_irq5(void)
saloutos 0:083111ae2a11 149 {
saloutos 0:083111ae2a11 150 handle_interrupt_in(5, EXTI_IRQ5_NUM_LINES);
saloutos 0:083111ae2a11 151 }
saloutos 0:083111ae2a11 152 #endif
saloutos 0:083111ae2a11 153 #ifdef EXTI_IRQ6_NUM_LINES
saloutos 0:083111ae2a11 154 // EXTI lines 10 to 15
saloutos 0:083111ae2a11 155 static void gpio_irq6(void)
saloutos 0:083111ae2a11 156 {
saloutos 0:083111ae2a11 157 handle_interrupt_in(6, EXTI_IRQ6_NUM_LINES);
saloutos 0:083111ae2a11 158 }
saloutos 0:083111ae2a11 159 #endif
saloutos 0:083111ae2a11 160
saloutos 0:083111ae2a11 161 extern GPIO_TypeDef *Set_GPIO_Clock(uint32_t port_idx);
saloutos 0:083111ae2a11 162 extern void pin_function_gpiomode(PinName pin, uint32_t gpiomode);
saloutos 0:083111ae2a11 163
saloutos 0:083111ae2a11 164 int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id)
saloutos 0:083111ae2a11 165 {
saloutos 0:083111ae2a11 166 uint32_t vector = 0;
saloutos 0:083111ae2a11 167 uint32_t irq_index;
saloutos 0:083111ae2a11 168 gpio_channel_t *gpio_channel;
saloutos 0:083111ae2a11 169 uint32_t gpio_idx;
saloutos 0:083111ae2a11 170
saloutos 0:083111ae2a11 171 if (pin == NC) return -1;
saloutos 0:083111ae2a11 172
saloutos 0:083111ae2a11 173 /* Enable SYSCFG Clock */
saloutos 0:083111ae2a11 174 __HAL_RCC_SYSCFG_CLK_ENABLE();
saloutos 0:083111ae2a11 175
saloutos 0:083111ae2a11 176 uint32_t port_index = STM_PORT(pin);
saloutos 0:083111ae2a11 177 uint32_t pin_index = STM_PIN(pin);
saloutos 0:083111ae2a11 178 irq_index = pin_lines_desc[pin_index].irq_index;
saloutos 0:083111ae2a11 179
saloutos 0:083111ae2a11 180 switch (irq_index) {
saloutos 0:083111ae2a11 181 #ifdef EXTI_IRQ0_NUM_LINES
saloutos 0:083111ae2a11 182 case 0:
saloutos 0:083111ae2a11 183 vector = (uint32_t)&gpio_irq0;
saloutos 0:083111ae2a11 184 break;
saloutos 0:083111ae2a11 185 #endif
saloutos 0:083111ae2a11 186 #ifdef EXTI_IRQ1_NUM_LINES
saloutos 0:083111ae2a11 187 case 1:
saloutos 0:083111ae2a11 188 vector = (uint32_t)&gpio_irq1;
saloutos 0:083111ae2a11 189 break;
saloutos 0:083111ae2a11 190 #endif
saloutos 0:083111ae2a11 191 #ifdef EXTI_IRQ2_NUM_LINES
saloutos 0:083111ae2a11 192 case 2:
saloutos 0:083111ae2a11 193 vector = (uint32_t)&gpio_irq2;
saloutos 0:083111ae2a11 194 break;
saloutos 0:083111ae2a11 195 #endif
saloutos 0:083111ae2a11 196 #ifdef EXTI_IRQ3_NUM_LINES
saloutos 0:083111ae2a11 197 case 3:
saloutos 0:083111ae2a11 198 vector = (uint32_t)&gpio_irq3;
saloutos 0:083111ae2a11 199 break;
saloutos 0:083111ae2a11 200 #endif
saloutos 0:083111ae2a11 201 #ifdef EXTI_IRQ4_NUM_LINES
saloutos 0:083111ae2a11 202 case 4:
saloutos 0:083111ae2a11 203 vector = (uint32_t)&gpio_irq4;
saloutos 0:083111ae2a11 204 break;
saloutos 0:083111ae2a11 205 #endif
saloutos 0:083111ae2a11 206 #ifdef EXTI_IRQ5_NUM_LINES
saloutos 0:083111ae2a11 207 case 5:
saloutos 0:083111ae2a11 208 vector = (uint32_t)&gpio_irq5;
saloutos 0:083111ae2a11 209 break;
saloutos 0:083111ae2a11 210 #endif
saloutos 0:083111ae2a11 211 #ifdef EXTI_IRQ6_NUM_LINES
saloutos 0:083111ae2a11 212 case 6:
saloutos 0:083111ae2a11 213 vector = (uint32_t)&gpio_irq6;
saloutos 0:083111ae2a11 214 break;
saloutos 0:083111ae2a11 215 #endif
saloutos 0:083111ae2a11 216 default:
saloutos 0:083111ae2a11 217 error("InterruptIn error: pin not supported.\n");
saloutos 0:083111ae2a11 218 return -1;
saloutos 0:083111ae2a11 219 }
saloutos 0:083111ae2a11 220
saloutos 0:083111ae2a11 221 // Enable GPIO clock
saloutos 0:083111ae2a11 222 GPIO_TypeDef *gpio_add = Set_GPIO_Clock(port_index);
saloutos 0:083111ae2a11 223
saloutos 0:083111ae2a11 224 // Save informations for future use
saloutos 0:083111ae2a11 225 obj->irq_n = pin_lines_desc[pin_index].irq_n;
saloutos 0:083111ae2a11 226 obj->irq_index = pin_lines_desc[pin_index].irq_index;
saloutos 0:083111ae2a11 227 obj->event = EDGE_NONE;
saloutos 0:083111ae2a11 228 obj->pin = pin;
saloutos 0:083111ae2a11 229
saloutos 0:083111ae2a11 230 gpio_channel = &channels[irq_index];
saloutos 0:083111ae2a11 231 gpio_idx = pin_lines_desc[pin_index].gpio_idx;
saloutos 0:083111ae2a11 232 gpio_channel->pin_mask |= (1 << gpio_idx);
saloutos 0:083111ae2a11 233 gpio_channel->channel_ids[gpio_idx] = id;
saloutos 0:083111ae2a11 234 gpio_channel->channel_gpio[gpio_idx] = gpio_add;
saloutos 0:083111ae2a11 235 gpio_channel->channel_pin[gpio_idx] = pin_index;
saloutos 0:083111ae2a11 236
saloutos 0:083111ae2a11 237 irq_handler = handler;
saloutos 0:083111ae2a11 238
saloutos 0:083111ae2a11 239 // Enable EXTI interrupt
saloutos 0:083111ae2a11 240 NVIC_SetVector(obj->irq_n, vector);
saloutos 0:083111ae2a11 241 gpio_irq_enable(obj);
saloutos 0:083111ae2a11 242
saloutos 0:083111ae2a11 243 return 0;
saloutos 0:083111ae2a11 244 }
saloutos 0:083111ae2a11 245
saloutos 0:083111ae2a11 246 void gpio_irq_free(gpio_irq_t *obj)
saloutos 0:083111ae2a11 247 {
saloutos 0:083111ae2a11 248 uint32_t gpio_idx = pin_lines_desc[STM_PIN(obj->pin)].gpio_idx;
saloutos 0:083111ae2a11 249 gpio_channel_t *gpio_channel = &channels[obj->irq_index];
saloutos 0:083111ae2a11 250
saloutos 0:083111ae2a11 251 gpio_irq_disable(obj);
saloutos 0:083111ae2a11 252 gpio_channel->pin_mask &= ~(1 << gpio_idx);
saloutos 0:083111ae2a11 253 gpio_channel->channel_ids[gpio_idx] = 0;
saloutos 0:083111ae2a11 254 gpio_channel->channel_gpio[gpio_idx] = 0;
saloutos 0:083111ae2a11 255 gpio_channel->channel_pin[gpio_idx] = 0;
saloutos 0:083111ae2a11 256 }
saloutos 0:083111ae2a11 257
saloutos 0:083111ae2a11 258 void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable)
saloutos 0:083111ae2a11 259 {
saloutos 0:083111ae2a11 260 /* Enable / Disable Edge triggered interrupt and store event */
saloutos 0:083111ae2a11 261 if (event == IRQ_RISE) {
saloutos 0:083111ae2a11 262 if (enable) {
saloutos 0:083111ae2a11 263 LL_EXTI_EnableRisingTrig_0_31(1 << STM_PIN(obj->pin));
saloutos 0:083111ae2a11 264 obj->event |= IRQ_RISE;
saloutos 0:083111ae2a11 265 } else {
saloutos 0:083111ae2a11 266 LL_EXTI_DisableRisingTrig_0_31(1 << STM_PIN(obj->pin));
saloutos 0:083111ae2a11 267 obj->event &= ~IRQ_RISE;
saloutos 0:083111ae2a11 268 }
saloutos 0:083111ae2a11 269 }
saloutos 0:083111ae2a11 270 if (event == IRQ_FALL) {
saloutos 0:083111ae2a11 271 if (enable) {
saloutos 0:083111ae2a11 272 LL_EXTI_EnableFallingTrig_0_31(1 << STM_PIN(obj->pin));
saloutos 0:083111ae2a11 273 obj->event |= IRQ_FALL;
saloutos 0:083111ae2a11 274 } else {
saloutos 0:083111ae2a11 275 LL_EXTI_DisableFallingTrig_0_31(1 << STM_PIN(obj->pin));
saloutos 0:083111ae2a11 276 obj->event &= ~IRQ_FALL;
saloutos 0:083111ae2a11 277 }
saloutos 0:083111ae2a11 278 }
saloutos 0:083111ae2a11 279 }
saloutos 0:083111ae2a11 280
saloutos 0:083111ae2a11 281 void gpio_irq_enable(gpio_irq_t *obj)
saloutos 0:083111ae2a11 282 {
saloutos 0:083111ae2a11 283 uint32_t temp = 0;
saloutos 0:083111ae2a11 284 uint32_t port_index = STM_PORT(obj->pin);
saloutos 0:083111ae2a11 285 uint32_t pin_index = STM_PIN(obj->pin);
saloutos 0:083111ae2a11 286
saloutos 0:083111ae2a11 287 /* Select Source */
saloutos 0:083111ae2a11 288 temp = SYSCFG->EXTICR[pin_index >> 2];
saloutos 0:083111ae2a11 289 CLEAR_BIT(temp, (0x0FU) << (4U * (pin_index & 0x03U)));
saloutos 0:083111ae2a11 290 SET_BIT(temp, port_index << (4U * (pin_index & 0x03U)));
saloutos 0:083111ae2a11 291 SYSCFG->EXTICR[pin_index >> 2] = temp;
saloutos 0:083111ae2a11 292
saloutos 0:083111ae2a11 293 LL_EXTI_EnableIT_0_31(1 << pin_index);
saloutos 0:083111ae2a11 294
saloutos 0:083111ae2a11 295 /* Restore previous edge interrupt configuration if applicable */
saloutos 0:083111ae2a11 296 if (obj->event & IRQ_RISE) {
saloutos 0:083111ae2a11 297 LL_EXTI_EnableRisingTrig_0_31(1 << STM_PIN(obj->pin));
saloutos 0:083111ae2a11 298 }
saloutos 0:083111ae2a11 299 if (obj->event & IRQ_FALL) {
saloutos 0:083111ae2a11 300 LL_EXTI_EnableFallingTrig_0_31(1 << STM_PIN(obj->pin));
saloutos 0:083111ae2a11 301 }
saloutos 0:083111ae2a11 302
saloutos 0:083111ae2a11 303 NVIC_EnableIRQ(obj->irq_n);
saloutos 0:083111ae2a11 304 }
saloutos 0:083111ae2a11 305
saloutos 0:083111ae2a11 306 void gpio_irq_disable(gpio_irq_t *obj)
saloutos 0:083111ae2a11 307 {
saloutos 0:083111ae2a11 308 /* Clear EXTI line configuration */
saloutos 0:083111ae2a11 309 LL_EXTI_DisableRisingTrig_0_31(1 << STM_PIN(obj->pin));
saloutos 0:083111ae2a11 310 LL_EXTI_DisableFallingTrig_0_31(1 << STM_PIN(obj->pin));
saloutos 0:083111ae2a11 311 LL_EXTI_DisableIT_0_31(1 << STM_PIN(obj->pin));
saloutos 0:083111ae2a11 312 NVIC_DisableIRQ(obj->irq_n);
saloutos 0:083111ae2a11 313 NVIC_ClearPendingIRQ(obj->irq_n);
saloutos 0:083111ae2a11 314 }