circuitpython/ports/stm/peripherals/stm32f4/stm32f411xe/clocks.h

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

68 lines
2.2 KiB
C
Raw Normal View History

2021-03-15 09:57:36 -04:00
/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2020 Lucian Copeland for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "stm32f4xx_hal.h"
// Chip: STM32F411
// Line Type: Access Line
// Speed: 96MHz
// Note - the actual maximum frequency is 100MHz, but this requires divisors
// which are incompatible with USB, and there is no additional PLL such as on
2020-06-05 11:42:34 -04:00
// the F412.
// Defaults:
#ifndef CPY_CLK_VSCALE
#define CPY_CLK_VSCALE (PWR_REGULATOR_VOLTAGE_SCALE1)
#endif
#ifndef CPY_CLK_PLLN
#define CPY_CLK_PLLN (192)
#endif
#ifndef CPY_CLK_PLLP
#define CPY_CLK_PLLP (RCC_PLLP_DIV2)
#endif
#ifndef CPY_CLK_PLLQ
#define CPY_CLK_PLLQ (4)
#endif
#ifndef CPY_CLK_AHBDIV
#define CPY_CLK_AHBDIV (RCC_SYSCLK_DIV1)
#endif
#ifndef CPY_CLK_APB1DIV
#define CPY_CLK_APB1DIV (RCC_HCLK_DIV2)
#endif
#ifndef CPY_CLK_APB2DIV
#define CPY_CLK_APB2DIV (RCC_HCLK_DIV1)
#endif
#ifndef CPY_CLK_FLASH_LATENCY
#define CPY_CLK_FLASH_LATENCY (FLASH_LATENCY_3)
#endif
#ifndef CPY_CLK_USB_USES_AUDIOPLL
#define CPY_CLK_USB_USES_AUDIOPLL (0)
#endif
#ifndef BOARD_HSE_SOURCE
#define BOARD_HSE_SOURCE (RCC_HSE_ON)
#endif