395 lines
13 KiB
C
395 lines
13 KiB
C
/****************************************************************************
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* boards/arm/gd32f4/gd32f470ik-eval/include/board.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_ARM_GD32F470IK_EVAL_INCLUDE_BOARD_H
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#define __BOARDS_ARM_GD32F470IK_EVAL_INCLUDE_BOARD_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#ifndef __ASSEMBLY__
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# include <stdint.h>
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#endif
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#define GD32_BOARD_SYSCLK_PLL_HXTAL
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/* Do not include GD32F4 header files here */
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Clocking *****************************************************************/
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/* The GD32F470IK-EVAL board features a single 25MHz crystal.
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*
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* This is the default configuration:
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* System clock source : PLL (HXTAL)
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* SYSCLK(Hz) : 200000000 Determined by PLL config
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* HCLK(Hz) : 200000000 (GD32_SYSCLK_FREQUENCY)
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* AHB Prescaler : 1 (GD32_RCU_CFG0_AHB_PSC)
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* APB2 Prescaler : 2 (GD32_RCU_CFG0_APB2_PSC)
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* APB1 Prescaler : 4 (GD32_RCU_CFG0_APB1_PSC)
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* HXTAL value(Hz) : 25000000 (GD32_BOARD_XTAL)
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* PLLM : 25 (GD32_PLL_PLLM)
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* PLLN : 400 (RCU_PLL_PLLN)
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* PLLP : 2 (GD32_PLL_PLLP)
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* PLLQ : 7 (GD32_PLL_PLLQ)
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*/
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/* IRC16M - 16 MHz RC factory-trimmed
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* IRC32K - 32 KHz RC
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* HXTAL - On-board crystal frequency is 25MHz
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* LXTAL - 32.768 kHz
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*/
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#ifndef CONFIG_GD32F470I_BOARD_HXTAL_VALUE
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# define GD32_BOARD_HXTAL 25000000ul
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#else
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# define GD32_BOARD_HXTAL CONFIG_GD32F470I_BOARD_HXTAL_VALUE
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#endif
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#define GD32_IRC16M_VALUE 16000000ul
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#define GD32_IRC32K_VALUE 32000u
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#define GD32_HXTAL_VALUE GD32_BOARD_HXTAL
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#define GD32_LXTAL_VALUE 32768u
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#if defined(CONFIG_GD32F470I_200MHZ)
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/* Main PLL Configuration.
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*
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* PLL source is HXTAL
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* PLL_VCO = (GD32_HXTAL_VALUE / PLLM) * PLLN
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* = (25,000,000 / 25) * 400
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* = 400,000,000
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* SYSCLK = PLL_VCO / PLLP
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* = 400,000,000 / 2 = 168,000,000
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* USB, SDIO and RNG Clock
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* = PLL_VCO / PLLQ
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* = 48,000,000
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*/
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#define GD32_PLL_PLLPSC RCU_PLL_PLLPSC(25)
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#define GD32_PLL_PLLN RCU_PLL_PLLN(400)
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#define GD32_PLL_PLLP RCU_PLL_PLLP(2)
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#define GD32_PLL_PLLQ RCU_PLL_PLLQ(7)
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#define GD32_SYSCLK_FREQUENCY 200000000ul
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#elif defined(CONFIG_GD32F470I_168MHZ)
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/* Main PLL Configuration.
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*
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* PLL source is HXTAL
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* PLL_VCO = (GD32_HXTAL_VALUE / PLLM) * PLLN
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* = (25,000,000 / 25) * 336
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* = 336,000,000
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* SYSCLK = PLL_VCO / PLLP
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* = 336,000,000 / 2 = 168,000,000
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* USB, SDIO and RNG Clock
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* = PLL_VCO / PLLQ
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* = 48,000,000
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*/
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#define GD32_PLL_PLLPSC RCU_PLL_PLLPSC(25)
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#define GD32_PLL_PLLN RCU_PLL_PLLN(336)
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#define GD32_PLL_PLLP RCU_PLL_PLLP(2)
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#define GD32_PLL_PLLQ RCU_PLL_PLLQ(7)
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#define GD32_SYSCLK_FREQUENCY 168000000ul
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#elif defined(CONFIG_GD32F470I_240MHZ)
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/* Main PLL Configuration.
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*
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* PLL source is HXTAL
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* PLL_VCO = (GD32_HXTAL_VALUE / PLLM) * PLLN
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* = (25,000,000 / 25) * 336
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* = 336,000,000
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* SYSCLK = PLL_VCO / PLLP
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* = 336,000,000 / 2 = 168,000,000
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* USB, SDIO and RNG Clock
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* = PLL_VCO / PLLQ
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* = 48,000,000
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*/
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#define GD32_PLL_PLLPSC RCU_PLL_PLLPSC(25)
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#define GD32_PLL_PLLN RCU_PLL_PLLN(480)
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#define GD32_PLL_PLLP RCU_PLL_PLLP(2)
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#define GD32_PLL_PLLQ RCU_PLL_PLLQ(7)
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#define GD32_SYSCLK_FREQUENCY 240000000ul
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#endif
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/* AHB clock (HCLK) is SYSCLK */
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#define GD32_RCU_CFG0_AHB_PSC RCU_CFG0_AHBPSC_CKSYS_DIV1 /* HCLK = SYSCLK / 1 */
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#define GD32_HCLK_FREQUENCY GD32_SYSCLK_FREQUENCY
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/* APB2 clock (PCLK2) is HCLK/2 */
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#define GD32_RCU_CFG0_APB2_PSC RCU_CFG0_APB2PSC_CKAHB_DIV2 /* PCLK2 = HCLK / 2 */
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#define GD32_PCLK2_FREQUENCY (GD32_HCLK_FREQUENCY/2)
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/* APB1 clock (PCLK1) is HCLK/4 */
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#define GD32_RCU_CFG0_APB1_PSC RCU_CFG0_APB1PSC_CKAHB_DIV4 /* PCLK1 = HCLK / 4 */
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#define GD32_PCLK1_FREQUENCY (GD32_HCLK_FREQUENCY / 4)
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/* Timers driven from APB1 will be twice PCLK1 */
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#define GD32_APB1_TIMER2_CLKIN (2*GD32_PCLK1_FREQUENCY)
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#define GD32_APB1_TIMER3_CLKIN (2*GD32_PCLK1_FREQUENCY)
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#define GD32_APB1_TIMER4_CLKIN (2*GD32_PCLK1_FREQUENCY)
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#define GD32_APB1_TIMER5_CLKIN (2*GD32_PCLK1_FREQUENCY)
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#define GD32_APB1_TIMER6_CLKIN (2*GD32_PCLK1_FREQUENCY)
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#define GD32_APB1_TIMER7_CLKIN (2*GD32_PCLK1_FREQUENCY)
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#define GD32_APB1_TIMER12_CLKIN (2*GD32_PCLK1_FREQUENCY)
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#define GD32_APB1_TIMER13_CLKIN (2*GD32_PCLK1_FREQUENCY)
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#define GD32_APB1_TIMER14_CLKIN (2*GD32_PCLK1_FREQUENCY)
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/* Timers driven from APB2 will be twice PCLK2 */
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#define GD32_APB2_TIMER1_CLKIN (2*GD32_PCLK2_FREQUENCY)
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#define GD32_APB2_TIMER8_CLKIN (2*GD32_PCLK2_FREQUENCY)
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#define GD32_APB2_TIMER9_CLKIN (2*GD32_PCLK2_FREQUENCY)
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#define GD32_APB2_TIMER10_CLKIN (2*GD32_PCLK2_FREQUENCY)
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#define GD32_APB2_TIMER11_CLKIN (2*GD32_PCLK2_FREQUENCY)
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/* Timer Frequencies, if APBx is set to 1, frequency is same to APBx
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* otherwise frequency is 2xAPBx.
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* Note: TIMER1,8 are on APB2, others on APB1
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*/
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#define BOARD_TIMER1_FREQUENCY GD32_HCLK_FREQUENCY
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#define BOARD_TIMER2_FREQUENCY (GD32_HCLK_FREQUENCY/2)
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#define BOARD_TIMER3_FREQUENCY (GD32_HCLK_FREQUENCY/2)
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#define BOARD_TIMER4_FREQUENCY (GD32_HCLK_FREQUENCY/2)
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#define BOARD_TIMER5_FREQUENCY (GD32_HCLK_FREQUENCY/2)
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#define BOARD_TIMER6_FREQUENCY (GD32_HCLK_FREQUENCY/2)
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#define BOARD_TIMER7_FREQUENCY (GD32_HCLK_FREQUENCY/2)
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#define BOARD_TIMER8_FREQUENCY GD32_HCLK_FREQUENCY
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/* LED definitions **********************************************************/
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/* The GD32F470IK_EVAL board has board has three LEDs. The LED1, LED2 and
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* LED3 are controlled by GPIO. LED1 is connected to PD4, LED2 is connected
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* to PD5, LED3 is connected to PG3
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*
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* If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs
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* in any way.
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* The following definitions are used to access individual LEDs.
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*/
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/* LED index values */
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typedef enum
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{
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BOARD_LED1 = 0,
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BOARD_LED2 = 1,
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BOARD_LED3 = 2,
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BOARD_LEDS
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} led_typedef_enum;
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/* LED bits */
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#define BOARD_LED1_BIT (1 << BOARD_LED1)
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#define BOARD_LED2_BIT (1 << BOARD_LED2)
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#define BOARD_LED3_BIT (1 << BOARD_LED3)
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/* If CONFIG_ARCH_LEDS is defined, the usage by the board port is defined in
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* include/board.h and src/gd32f4xx_autoleds.c. The LEDs are used to encode
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* OS-related events as follows:
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*
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*
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* SYMBOL Meaning LED state
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* LED1 LED2 LED3
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* ---------------------- -------------------------- ------ ------ ---
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*/
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#define LED_STARTED 0 /* NuttX has been started OFF OFF OFF */
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#define LED_HEAPALLOCATE 1 /* Heap has been allocated ON OFF OFF */
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#define LED_IRQSENABLED 2 /* Interrupts enabled OFF ON OFF */
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#define LED_STACKCREATED 3 /* Idle stack created OFF OFF ON */
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#define LED_INIRQ 4 /* In an interrupt ON ON OFF */
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#define LED_SIGNAL 5 /* In a signal handler ON OFF ON */
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#define LED_ASSERTION 6 /* An assertion failed OFF ON ON */
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#define LED_PANIC 7 /* The system has crashed FLASH ON ON */
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#define LED_IDLE 8 /* MCU is is sleep mode OFF FLASH OFF */
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/* Button definitions *******************************************************/
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/* The GD32F470I Eval supports three user buttons: Wakeup, Tamper and
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* User key, they are connected to GPIO PA0, PC13, PB14.
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* A low value will be sensed when the button is depressed.
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*/
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typedef enum
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{
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BUTTON_WAKEUP = 0,
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BUTTON_TAMPER = 1,
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BUTTON_USER = 2,
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NUM_BUTTONS
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} key_typedef_enum;
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#define BUTTON_WAKEUP_BIT (1 << BUTTON_WAKEUP)
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#define BUTTON_TAMPER_BIT (1 << BUTTON_TAMPER)
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#define BUTTON_USER_BIT (1 << BUTTON_USER)
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/* Alternate function pin selections ****************************************/
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#if defined(CONFIG_GD32F470IK_EVAL_CONSOLE_BOARD)
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/* USART0:
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*
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* These configurations assume that you are using a standard RS-232
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* shield with the serial interface with RX on PA10 and TX on PA10:
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*
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* -------- ---------------
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* GD32F470IK-EVAL
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* -- ----- --------- -----
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* RX USART0_RX PA10
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* TX USART0_TX PA9
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* -- ----- --------- -----
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*/
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# define GPIO_USART0_RX GPIO_USART0_RX_1
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# define GPIO_USART0_TX GPIO_USART0_TX_1
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#if defined(CONFIG_SERIAL_IFLOWCONTROL) && defined(CONFIG_USART0_IFLOWCONTROL)
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# define GPIO_USART0_RTS GPIO_USART0_RTS_1
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# endif
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#if defined(CONFIG_SERIAL_OFLOWCONTROL) && defined(CONFIG_USART0_OFLOWCONTROL)
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# define GPIO_USART0_CTS GPIO_USART0_CTS_1
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# endif
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#endif
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#if CONFIG_GD32F4_USART0_TXDMA
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# define DMA_CHANNEL_USART0_TX DMA_REQ_USART0_TX
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#endif
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#if CONFIG_GD32F4_USART0_RXDMA
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# define DMA_CHANNEL_USART0_RX DMA_REQ_USART0_RX_1
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#endif
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#if defined(CONFIG_GD32F4_USART_RXDMA) || defined(CONFIG_GD32F4_USART_TXDMA)
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# define USART_DMA_INTEN (DMA_CHXCTL_SDEIE | DMA_CHXCTL_TAEIE | DMA_CHXCTL_FTFIE)
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#endif
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/* USART3:
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* Use USART3 and the USB virtual COM port
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*/
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#if defined(GD32F470IK_EVAL_CONSOLE_VIRTUAL)
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# define GPIO_USART3_RX GPIO_USART3_RX_3
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# define GPIO_USART3_TX GPIO_USART3_TX_3
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#endif
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/* I2C0 gpios:
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*
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* PB6 I2C0_SCL
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* PB7 I2C0_SDA
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*
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*/
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#define GPIO_I2C0_SCL GPIO_I2C0_SCL_1
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#define GPIO_I2C0_SDA GPIO_I2C0_SDA_1
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/* SPI flash
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*
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* PG12 SPI5_MISO
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* PG14 SPI5_MOSI
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* PG13 SPI5_SCK
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*
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* PG9 SPI5_CS
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*
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*/
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#define GPIO_SPI5_CSPIN (GPIO_CFG_PORT_G | GPIO_PIN9_OUTPUT)
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#define GPIO_SPI5_MISO_PIN ((GPIO_SPI5_MISO & ~GPIO_CFG_SPEED_MASK) | GPIO_CFG_SPEED_25MHZ)
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#define GPIO_SPI5_MOSI_PIN ((GPIO_SPI5_MOSI & ~GPIO_CFG_SPEED_MASK) | GPIO_CFG_SPEED_25MHZ)
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#define GPIO_SPI5_SCK_PIN ((GPIO_SPI5_SCK & ~GPIO_CFG_SPEED_MASK) | GPIO_CFG_SPEED_25MHZ)
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#define GPIO_SPI5_IO2_PIN ((GPIO_SPI5_IO2 & ~GPIO_CFG_SPEED_MASK) | GPIO_CFG_SPEED_25MHZ)
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#define GPIO_SPI5_IO3_PIN ((GPIO_SPI5_IO3 & ~GPIO_CFG_SPEED_MASK) | GPIO_CFG_SPEED_25MHZ)
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/* The GD32 F4 connects to a DP83848 PHY using these pins:
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*
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* GD32F470I Eval BOARD DP83848
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* GPIO SIGNAL PIN NAME
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* -------- ------------ -------------
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* PG11 RMII_TX_EN TXEN
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* PG13 RMII_TXD0 TXD0
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* PG14 RMII_TXD1 TXD1
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* PC4 RMII_RXD0 RXD_0/PHYAD1
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* PC5 RMII_RXD1 RXD_1/PHYAD2
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* PA7 RMII_CRS_DV RX_DV/MII_MODE
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* PC1 RMII_MDC MDC
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* PA2 RMII_MDIO MDIO
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* NRST NRST RESET_N
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* PA1 RMII_REF_CLK X1
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* PB15 RMII_INT PWR_DOWN/INT
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*
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* The PHY address is 1.
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*/
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#define GPIO_ENET_RMII_TX_EN GPIO_ENET_RMII_TX_EN_2
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#define GPIO_ENET_RMII_TXD0 GPIO_ENET_RMII_TXD0_2
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#define GPIO_ENET_RMII_TXD1 GPIO_ENET_RMII_TXD1_2
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#ifdef CONFIG_GD32F4_ENET_PTP
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/* Enable pulse-per-second (PPS) output signal */
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# define GPIO_ENET_PPS_OUT GPIO_ENET_PPS_OUT_1
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#endif
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#ifdef CONFIG_GD32F4_RMII_CKOUT0
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# define BOARD_CFG_CKOUT0_SOURCE RCU_CFG0_CKOUT0SEL_PLLP
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# define BOARD_CFG_CKOUT0_DIVIDER RCU_CFG0_CKOUT0_DIV4
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#endif
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/* SDIO gpios
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*
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* PD2 SDIO_CMD
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* PC12 SDIO_CLK
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* PC8 SDIO_DAT0
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* PC9 SDIO_DAT1
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* PC10 SDIO_DAT2
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* PC11 SDIO_DAT3
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*
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*/
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#define GPIO_SDIO_CMD_PIN GPIO_SDIO_CMD_2
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#define GPIO_SDIO_CLK_PIN GPIO_SDIO_CK_2
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#define GPIO_SDIO_DAT0_PIN GPIO_SDIO_D0_2
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#define GPIO_SDIO_DAT1_PIN GPIO_SDIO_D1_3
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#define GPIO_SDIO_DAT2_PIN GPIO_SDIO_D2_3
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#define GPIO_SDIO_DAT3_PIN GPIO_SDIO_D3
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#ifdef CONFIG_GD32F4_SDIO_DMA
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# define SDIO_DMA_INTEN (DMA_CHXCTL_SDEIE | DMA_CHXCTL_TAEIE | DMA_CHXCTL_FTFIE)
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#endif
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#endif /* __BOARDS_ARM_GD32F470IK_EVAL_INCLUDE_BOARD_H */
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