diff options
Diffstat (limited to 'keyboard/infinity/mbed-infinity/cmsis_nvic.c')
| -rw-r--r-- | keyboard/infinity/mbed-infinity/cmsis_nvic.c | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/keyboard/infinity/mbed-infinity/cmsis_nvic.c b/keyboard/infinity/mbed-infinity/cmsis_nvic.c deleted file mode 100644 index 985c1d33f5..0000000000 --- a/keyboard/infinity/mbed-infinity/cmsis_nvic.c +++ /dev/null @@ -1,55 +0,0 @@ -/* mbed Microcontroller Library - * CMSIS-style functionality to support dynamic vectors - ******************************************************************************* - * Copyright (c) 2011 ARM Limited. All rights reserved. - * All rights reserved. - * - * 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 ARM Limited 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. - ******************************************************************************* - */ -#include "cmsis_nvic.h" - -#define NVIC_RAM_VECTOR_ADDRESS (0x1FFFE000) // Vectors positioned at start of RAM -#define NVIC_FLASH_VECTOR_ADDRESS (0x1000) // Initial vector position in flash - -void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) { - uint32_t *vectors = (uint32_t*)SCB->VTOR; - uint32_t i; - - // Copy and switch to dynamic vectors if the first time called - if (SCB->VTOR == NVIC_FLASH_VECTOR_ADDRESS) { - uint32_t *old_vectors = vectors; - vectors = (uint32_t*)NVIC_RAM_VECTOR_ADDRESS; - for (i=0; i<NVIC_NUM_VECTORS; i++) { - vectors[i] = old_vectors[i]; - } - SCB->VTOR = (uint32_t)NVIC_RAM_VECTOR_ADDRESS; - } - vectors[IRQn + 16] = vector; -} - -uint32_t NVIC_GetVector(IRQn_Type IRQn) { - uint32_t *vectors = (uint32_t*)SCB->VTOR; - return vectors[IRQn + 16]; -} |