stm32f4xx_it.c 9.44 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
/**
  ******************************************************************************
  * @file    Templates/Src/stm32f4xx_it.c 
  * @author  MCD Application Team
  * @version V1.0.1
  * @date    26-February-2014
  * @brief   Main Interrupt Service Routines.
  *          This file provides template for all exceptions handler and 
  *          peripherals interrupt service routine.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include <stdio.h>

#include "stm32f4xx_it.h"
#include "stm32f4xx_hal.h"

46
47
48
49
50
51
#include "misc.h"
#include "mpconfig.h"
#include "qstr.h"
#include "obj.h"
#include "exti.h"

52
53
54
55
56
57
58
59
60
61
62
63
64
/** @addtogroup STM32F4xx_HAL_Examples
  * @{
  */

/** @addtogroup Templates
  * @{
  */

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/

65
66
67
extern void fatality();
extern PCD_HandleTypeDef hpcd;

68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/******************************************************************************/
/*            Cortex-M4 Processor Exceptions Handlers                         */
/******************************************************************************/

/**
  * @brief   This function handles NMI exception.
  * @param  None
  * @retval None
  */
void NMI_Handler(void)
{
}

/**
  * @brief  This function handles Hard Fault exception.
  * @param  None
  * @retval None
  */
void HardFault_Handler(void)
{
  /* Go to infinite loop when Hard Fault exception occurs */
  while (1)
  {
94
    fatality();
95
96
97
98
99
100
101
102
103
104
105
106
107
  }
}

/**
  * @brief  This function handles Memory Manage exception.
  * @param  None
  * @retval None
  */
void MemManage_Handler(void)
{
  /* Go to infinite loop when Memory Manage exception occurs */
  while (1)
  {
108
    fatality();
109
110
111
112
113
114
115
116
117
118
119
120
121
  }
}

/**
  * @brief  This function handles Bus Fault exception.
  * @param  None
  * @retval None
  */
void BusFault_Handler(void)
{
  /* Go to infinite loop when Bus Fault exception occurs */
  while (1)
  {
122
    fatality();
123
124
125
126
127
128
129
130
131
132
133
134
135
  }
}

/**
  * @brief  This function handles Usage Fault exception.
  * @param  None
  * @retval None
  */
void UsageFault_Handler(void)
{
  /* Go to infinite loop when Usage Fault exception occurs */
  while (1)
  {
136
    fatality();
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
  }
}

/**
  * @brief  This function handles SVCall exception.
  * @param  None
  * @retval None
  */
void SVC_Handler(void)
{
}

/**
  * @brief  This function handles Debug Monitor exception.
  * @param  None
  * @retval None
  */
void DebugMon_Handler(void)
{
}

/**
  * @brief  This function handles PendSVC exception.
  * @param  None
  * @retval None
  */
void PendSV_Handler(void)
{
165
166
    extern void pendsv_isr_handler(void);
    pendsv_isr_handler();
167
168
169
170
171
172
173
174
175
}

/**
  * @brief  This function handles SysTick Handler.
  * @param  None
  * @retval None
  */
void SysTick_Handler(void)
{
176
    HAL_IncTick();
177
178
179
180
181
182
183
184
185
}

/******************************************************************************/
/*                 STM32F4xx Peripherals Interrupt Handlers                   */
/*  Add here the Interrupt Handler for the used peripheral(s) (PPP), for the  */
/*  available peripheral interrupt handler's name please refer to the startup */
/*  file (startup_stm32f4xx.s).                                               */
/******************************************************************************/

186
187
188
189
190
/**
  * @brief  This function handles USB-On-The-Go FS global interrupt request.
  * @param  None
  * @retval None
  */
191
192
193
#if defined(USE_USB_FS)
#define OTG_XX_IRQHandler      OTG_FS_IRQHandler
#define OTG_XX_WKUP_IRQHandler OTG_FS_WKUP_IRQHandler
194
#elif defined(USE_USB_HS)
195
196
#define OTG_XX_IRQHandler      OTG_HS_IRQHandler
#define OTG_XX_WKUP_IRQHandler OTG_HS_WKUP_IRQHandler
197
#endif
198
199
200

#if defined(OTG_XX_IRQHandler)
void OTG_XX_IRQHandler(void)
201
202
203
{
    HAL_PCD_IRQHandler(&hpcd);
}
204
#endif
205
206
207
208
209
210

/**
  * @brief  This function handles USB OTG FS or HS Wakeup IRQ Handler.
  * @param  None
  * @retval None
  */
211
212
#if defined(OTG_XX_WKUP_IRQHandler)
void OTG_XX_WKUP_IRQHandler(void)
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
{
 
  if((&hpcd)->Init.low_power_enable)
  {
    /* Reset SLEEPDEEP bit of Cortex System Control Register */
    SCB->SCR &= (uint32_t)~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));  
    
    /* Configures system clock after wake-up from STOP: enable HSE, PLL and select 
    PLL as system clock source (HSE and PLL are disabled in STOP mode) */
    
    __HAL_RCC_HSE_CONFIG(RCC_HSE_ON);
    
    /* Wait till HSE is ready */  
    while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET)
    {}
    
    /* Enable the main PLL. */
    __HAL_RCC_PLL_ENABLE();
    
    /* Wait till PLL is ready */  
    while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET)
    {}
    
    /* Select PLL as SYSCLK */
    MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, RCC_SYSCLKSOURCE_PLLCLK);
    
    while (__HAL_RCC_GET_SYSCLK_SOURCE() != RCC_CFGR_SWS_PLL)
    {}
    
    /* ungate PHY clock */
     __HAL_PCD_UNGATE_PHYCLOCK((&hpcd)); 
  }
#ifdef USE_USB_FS
  /* Clear EXTI pending Bit*/
  __HAL_USB_FS_EXTI_CLEAR_FLAG();
#elif defined(USE_USB_HS)
    /* Clear EXTI pending Bit*/
  __HAL_USB_HS_EXTI_CLEAR_FLAG();
#endif
  
}
254
#endif
255

256
257
258
259
260
261
262
263
264
265
/**
  * @brief  This function handles PPP interrupt request.
  * @param  None
  * @retval None
  */
/*void PPP_IRQHandler(void)
{
}*/

/**
266
267
268
  * @brief  These functions handle the EXTI interrupt requests.
  * @param  None
  * @retval None
269
  */
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
void EXTI0_IRQHandler(void) {
    Handle_EXTI_Irq(0);
}

void EXTI1_IRQHandler(void) {
    Handle_EXTI_Irq(1);
}

void EXTI2_IRQHandler(void) {
    Handle_EXTI_Irq(2);
}

void EXTI3_IRQHandler(void) {
    Handle_EXTI_Irq(3);
}

void EXTI4_IRQHandler(void) {
    Handle_EXTI_Irq(4);
}

void EXTI9_5_IRQHandler(void) {
    Handle_EXTI_Irq(5);
    Handle_EXTI_Irq(6);
    Handle_EXTI_Irq(7);
    Handle_EXTI_Irq(8);
    Handle_EXTI_Irq(9);
}

void EXTI15_10_IRQHandler(void) {
    Handle_EXTI_Irq(10);
    Handle_EXTI_Irq(11);
    Handle_EXTI_Irq(12);
    Handle_EXTI_Irq(13);
    Handle_EXTI_Irq(14);
    Handle_EXTI_Irq(15);

#if 0
    // for CC3000 support, needs to be re-written to use new EXTI code 
    if (EXTI_GetITStatus(EXTI_Line14) != RESET) {
        led_toggle(PYB_LED_G2);
        /* these are needed for CC3000 support
        extern void SpiIntGPIOHandler(void);
        extern uint32_t exti14_enabled;
        extern uint32_t exti14_missed;
        //printf("-> EXTI14 en=%lu miss=%lu\n", exti14_enabled, exti14_missed);
        if (exti14_enabled) {
            exti14_missed = 0;
            SpiIntGPIOHandler(); // CC3000 interrupt
        } else {
            exti14_missed = 1;
        }
        */
        EXTI_ClearITPendingBit(EXTI_Line14);
        //printf("<- EXTI14 done\n");
    }
#endif
}

void PVD_IRQHandler(void) {
    Handle_EXTI_Irq(EXTI_PVD_OUTPUT);
}

void RTC_Alarm_IRQHandler(void) {
    Handle_EXTI_Irq(EXTI_RTC_ALARM);
}


#if defined(ETH)    // The 407 has ETH, the 405 doesn't
void ETH_WKUP_IRQHandler(void)  {
    Handle_EXTI_Irq(EXTI_ETH_WAKEUP);
}
#endif

void TAMP_STAMP_IRQHandler(void) {
    Handle_EXTI_Irq(EXTI_RTC_TIMESTAMP);
}

void RTC_WKUP_IRQHandler(void) {
    Handle_EXTI_Irq(EXTI_RTC_WAKEUP);
}
350
351

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/