82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2021, Ha Thach (tinyusb.org)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* This file is part of the TinyUSB stack.
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*/
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#ifndef BOARD_H_
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#define BOARD_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define LED_PIN P5_9
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#define LED_STATE_ON 1
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#define BUTTON_PIN P15_13
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#define BUTTON_STATE_ACTIVE 0
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#define UART_DEV XMC_UART0_CH0
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#define UART_TX_PIN P1_5
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#define UART_TX_PIN_AF P1_5_AF_U0C0_DOUT0
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#define UART_RX_PIN P1_4
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#define UART_RX_INPUT USIC0_C0_DX0_P1_4
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static inline void board_clock_init(void)
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{
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/* Clock configuration */
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/* fPLL = 144MHz */
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/* fSYS = 144MHz */
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/* fUSB = 48MHz */
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const XMC_SCU_CLOCK_CONFIG_t clock_config =
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{
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.syspll_config.p_div = 2,
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.syspll_config.n_div = 48,
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.syspll_config.k_div = 1,
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.syspll_config.mode = XMC_SCU_CLOCK_SYSPLL_MODE_NORMAL,
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.syspll_config.clksrc = XMC_SCU_CLOCK_SYSPLLCLKSRC_OSCHP,
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.enable_oschp = true,
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.calibration_mode = XMC_SCU_CLOCK_FOFI_CALIBRATION_MODE_FACTORY,
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.fsys_clksrc = XMC_SCU_CLOCK_SYSCLKSRC_PLL,
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.fsys_clkdiv = 2,
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.fcpu_clkdiv = 1,
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.fccu_clkdiv = 1,
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.fperipheral_clkdiv = 1
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};
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/* Setup settings for USB clock */
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XMC_SCU_CLOCK_Init(&clock_config);
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XMC_SCU_CLOCK_SetUsbClockDivider(6);
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XMC_SCU_CLOCK_SetUsbClockSource(XMC_SCU_CLOCK_USBCLKSRC_SYSPLL);
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XMC_SCU_CLOCK_EnableClock(XMC_SCU_CLOCK_USB);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* BOARD_H_ */
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