diff options
Diffstat (limited to 'Drivers/CMSIS/DSP/Examples/ARM/arm_convolution_example/RTE/Device/ARMCM3/system_ARMCM3.c')
-rw-r--r-- | Drivers/CMSIS/DSP/Examples/ARM/arm_convolution_example/RTE/Device/ARMCM3/system_ARMCM3.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/Drivers/CMSIS/DSP/Examples/ARM/arm_convolution_example/RTE/Device/ARMCM3/system_ARMCM3.c b/Drivers/CMSIS/DSP/Examples/ARM/arm_convolution_example/RTE/Device/ARMCM3/system_ARMCM3.c new file mode 100644 index 000000000..f56b85fc8 --- /dev/null +++ b/Drivers/CMSIS/DSP/Examples/ARM/arm_convolution_example/RTE/Device/ARMCM3/system_ARMCM3.c @@ -0,0 +1,68 @@ +/**************************************************************************//** + * @file system_ARMCM3.c + * @brief CMSIS Device System Source File for + * ARMCM3 Device + * @version V5.3.1 + * @date 09. July 2018 + ******************************************************************************/ +/* + * Copyright (c) 2009-2018 Arm Limited. All rights reserved. + * + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the License); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an AS IS BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "ARMCM3.h" + +/*---------------------------------------------------------------------------- + Define clocks + *----------------------------------------------------------------------------*/ +#define XTAL (50000000UL) /* Oscillator frequency */ + +#define SYSTEM_CLOCK (XTAL / 2U) + + +/*---------------------------------------------------------------------------- + Externals + *----------------------------------------------------------------------------*/ +#if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U) + extern uint32_t __Vectors; +#endif + +/*---------------------------------------------------------------------------- + System Core Clock Variable + *----------------------------------------------------------------------------*/ +uint32_t SystemCoreClock = SYSTEM_CLOCK; /* System Core Clock Frequency */ + + +/*---------------------------------------------------------------------------- + System Core Clock update function + *----------------------------------------------------------------------------*/ +void SystemCoreClockUpdate (void) +{ + SystemCoreClock = SYSTEM_CLOCK; +} + +/*---------------------------------------------------------------------------- + System initialization function + *----------------------------------------------------------------------------*/ +void SystemInit (void) +{ + +#if defined (__VTOR_PRESENT) && (__VTOR_PRESENT == 1U) + SCB->VTOR = (uint32_t) &__Vectors; +#endif + + SystemCoreClock = SYSTEM_CLOCK; +} |