SkyLi
74 lines
2.9 KiB
C
74 lines
2.9 KiB
C
/*
|
|
* Copyright (c) 2020, Texas Instruments Incorporated
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* * 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.
|
|
*
|
|
* * Neither the name of Texas Instruments Incorporated 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 OWNER 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.
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <ti/driverlib/m0p/dl_interrupt.h>
|
|
|
|
/* 32 Device Peripheral Exceptions + 16 reserved M0+ Exceptions */
|
|
#define NUM_RES_M0_EXC ((uint32_t) 16)
|
|
#define NUM_DEV_PERIPH_EXC ((uint32_t) 32)
|
|
#define NUM_INTERRUPTS (NUM_RES_M0_EXC + NUM_DEV_PERIPH_EXC)
|
|
|
|
#if defined(__IAR_SYSTEMS_ICC__)
|
|
#pragma data_alignment = 256
|
|
static __no_init void (*InterruptRAMVectors[NUM_INTERRUPTS])(void) @ "VTABLE";
|
|
#else
|
|
static __attribute__((section(".vtable"))) void (
|
|
*InterruptRAMVectors[NUM_INTERRUPTS])(void) __attribute__((aligned(256)));
|
|
#endif
|
|
void DL_Interrupt_registerInterrupt(
|
|
uint32_t exceptionNumber, void (*intHandler)(void))
|
|
{
|
|
void (**baseAddress)(void);
|
|
uint32_t i;
|
|
|
|
/* See if the RAM vector table has been initialized */
|
|
if (SCB->VTOR != (uint32_t) InterruptRAMVectors) {
|
|
baseAddress = (void (**)(void)) SCB->VTOR;
|
|
|
|
/* Copy the vector table from Flash to RAM */
|
|
for (i = 0; i < NUM_INTERRUPTS; i++) {
|
|
InterruptRAMVectors[i] = baseAddress[i];
|
|
}
|
|
|
|
SCB->VTOR = (uint32_t) InterruptRAMVectors;
|
|
}
|
|
|
|
InterruptRAMVectors[exceptionNumber + NUM_RES_M0_EXC] = intHandler;
|
|
}
|
|
|
|
void DL_Interrupt_unregisterInterrupt(uint32_t exceptionNumber)
|
|
{
|
|
InterruptRAMVectors[exceptionNumber + NUM_RES_M0_EXC] = Default_Handler;
|
|
}
|