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arch/arm/ht32f491x3: add initial support
Add initial HT32F491x3 support with startup, IRQ handling, serial console, GPIO helpers, custom vectors, and CMake build files. Signed-off-by: Felipe Moura <moura.fmo@gmail.com>
1 parent 3039184 commit ba6ee9d

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‎arch/arm/Kconfig‎

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@@ -779,6 +779,14 @@ config ARCH_CHIP_CXD32XX
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---help---
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Sony CXD32XX (ARM Cortex-M4) architectures
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config ARCH_CHIP_HT32F491X3
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bool "Holtek HT32F491x3"
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select ARCH_CORTEXM4
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select ARCH_HAVE_FPU
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select LIBC_ARCH_ATOMIC
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---help---
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Holtek HT32F491x3 (ARM Cortex-M4) architectures
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config ARCH_CHIP_ARM_CUSTOM
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bool "Custom ARM chip"
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select ARCH_CHIP_CUSTOM
@@ -1207,6 +1215,7 @@ config ARCH_CHIP
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default "goldfish" if ARCH_CHIP_GOLDFISH_ARM
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default "at32" if ARCH_CHIP_AT32
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default "cxd32xx" if ARCH_CHIP_CXD32XX
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default "ht32f491x3" if ARCH_CHIP_HT32F491X3
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default "csk6" if ARCH_CHIP_CSK6
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default "mcx-nxxx" if ARCH_CHIP_MCX_NXXX
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@@ -1748,6 +1757,9 @@ endif
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if ARCH_CHIP_CXD32XX
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source "arch/arm/src/cxd32xx/Kconfig"
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endif
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if ARCH_CHIP_HT32F491X3
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source "arch/arm/src/ht32f491x3/Kconfig"
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endif
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if ARCH_CHIP_MCX_NXXX
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source "arch/arm/src/mcx-nxxx/Kconfig"
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endif

‎arch/arm/include/ht32f491x3/chip.h‎

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/****************************************************************************
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* arch/arm/include/ht32f491x3/chip.h
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*
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* SPDX-License-Identifier: Apache-2.0
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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 __ARCH_ARM_INCLUDE_HT32F491X3_CHIP_H
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#define __ARCH_ARM_INCLUDE_HT32F491X3_CHIP_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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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define HT32M4_SYSH_PRIORITY_MIN 0xe0
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#define HT32M4_SYSH_PRIORITY_DEFAULT 0x80
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#define HT32M4_SYSH_PRIORITY_MAX 0x00
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#define HT32M4_SYSH_PRIORITY_STEP 0x20
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#define NVIC_SYSH_PRIORITY_MIN HT32M4_SYSH_PRIORITY_MIN
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#define NVIC_SYSH_PRIORITY_DEFAULT HT32M4_SYSH_PRIORITY_DEFAULT
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#define NVIC_SYSH_PRIORITY_MAX HT32M4_SYSH_PRIORITY_MAX
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#define NVIC_SYSH_PRIORITY_STEP HT32M4_SYSH_PRIORITY_STEP
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#if defined(CONFIG_ARCH_CHIP_HT32F49153)
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# define HT32_FLASH_KB 128
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#elif defined(CONFIG_ARCH_CHIP_HT32F49163)
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# define HT32_FLASH_KB 256
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#else
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# error "Unsupported HT32F491x3 device"
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#endif
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#define HT32_SRAM_KB 48
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#define HT32_NUSART 8
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#define HT32_NGPIO 6
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#define HT32_HICK_FREQUENCY 8000000
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#define HT32_HICK48_FREQUENCY 48000000
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#define HT32_HEXT_MIN_FREQUENCY 4000000
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#define HT32_HEXT_MAX_FREQUENCY 25000000
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#define HT32_PLL_MAX_FREQUENCY 150000000
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#define HT32_SYSCLK_FREQUENCY CONFIG_HT32F491X3_SYSCLK_FREQUENCY
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#define HT32_HCLK_FREQUENCY HT32_SYSCLK_FREQUENCY
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#define HT32_PCLK1_FREQUENCY CONFIG_HT32F491X3_PCLK1_FREQUENCY
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#define HT32_PCLK2_FREQUENCY CONFIG_HT32F491X3_PCLK2_FREQUENCY
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#endif /* __ARCH_ARM_INCLUDE_HT32F491X3_CHIP_H */

‎arch/arm/include/ht32f491x3/ht32f491x3_irq.h‎

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/****************************************************************************
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* arch/arm/include/ht32f491x3/ht32f491x3_irq.h
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*
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* SPDX-License-Identifier: Apache-2.0
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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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/* This file should never be included directly but, rather,
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* only indirectly through nuttx/irq.h
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*/
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#ifndef __ARCH_ARM_INCLUDE_HT32F491X3_HT32F491X3_IRQ_H
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#define __ARCH_ARM_INCLUDE_HT32F491X3_HT32F491X3_IRQ_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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#include <nuttx/irq.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* External interrupts. These values follow the Holtek CMSIS device header
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* and startup vector table for the HT32F491x3 family.
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*/
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#define HT32_IRQ_WWDT (HT32_IRQ_FIRST + 0)
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#define HT32_IRQ_PVM (HT32_IRQ_FIRST + 1)
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#define HT32_IRQ_PVD HT32_IRQ_PVM
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#define HT32_IRQ_TAMP_STAMP (HT32_IRQ_FIRST + 2)
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#define HT32_IRQ_TAMPER HT32_IRQ_TAMP_STAMP
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#define HT32_IRQ_TIMESTAMP HT32_IRQ_TAMP_STAMP
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#define HT32_IRQ_ERTCWAKEUP (HT32_IRQ_FIRST + 3)
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#define HT32_IRQ_FLASH (HT32_IRQ_FIRST + 4)
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#define HT32_IRQ_CRM (HT32_IRQ_FIRST + 5)
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#define HT32_IRQ_EXINT0 (HT32_IRQ_FIRST + 6)
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#define HT32_IRQ_EXINT1 (HT32_IRQ_FIRST + 7)
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#define HT32_IRQ_EXINT2 (HT32_IRQ_FIRST + 8)
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#define HT32_IRQ_EXINT3 (HT32_IRQ_FIRST + 9)
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#define HT32_IRQ_EXINT4 (HT32_IRQ_FIRST + 10)
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#define HT32_IRQ_DMA1CH1 (HT32_IRQ_FIRST + 11)
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#define HT32_IRQ_DMA1CH2 (HT32_IRQ_FIRST + 12)
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#define HT32_IRQ_DMA1CH3 (HT32_IRQ_FIRST + 13)
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#define HT32_IRQ_DMA1CH4 (HT32_IRQ_FIRST + 14)
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#define HT32_IRQ_DMA1CH5 (HT32_IRQ_FIRST + 15)
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#define HT32_IRQ_DMA1CH6 (HT32_IRQ_FIRST + 16)
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#define HT32_IRQ_DMA1CH7 (HT32_IRQ_FIRST + 17)
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#define HT32_IRQ_ADC1 (HT32_IRQ_FIRST + 18)
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#define HT32_IRQ_ADC HT32_IRQ_ADC1
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#define HT32_IRQ_CAN1TX (HT32_IRQ_FIRST + 19)
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#define HT32_IRQ_CAN1RX0 (HT32_IRQ_FIRST + 20)
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#define HT32_IRQ_CAN1RX1 (HT32_IRQ_FIRST + 21)
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#define HT32_IRQ_CAN1SE (HT32_IRQ_FIRST + 22)
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#define HT32_IRQ_CANSE HT32_IRQ_CAN1SE
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#define HT32_IRQ_EXINT95 (HT32_IRQ_FIRST + 23)
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#define HT32_IRQ_TMR1BRK (HT32_IRQ_FIRST + 24)
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#define HT32_IRQ_TMR9 HT32_IRQ_TMR1BRK
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#define HT32_IRQ_TMR1UP (HT32_IRQ_FIRST + 25)
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#define HT32_IRQ_TMR10 HT32_IRQ_TMR1UP
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#define HT32_IRQ_TMR1TRGCOM (HT32_IRQ_FIRST + 26)
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#define HT32_IRQ_TMR11 HT32_IRQ_TMR1TRGCOM
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#define HT32_IRQ_TMR1CC (HT32_IRQ_FIRST + 27)
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#define HT32_IRQ_TMR2 (HT32_IRQ_FIRST + 28)
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#define HT32_IRQ_TMR3 (HT32_IRQ_FIRST + 29)
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#define HT32_IRQ_TMR4 (HT32_IRQ_FIRST + 30)
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#define HT32_IRQ_I2C1EV (HT32_IRQ_FIRST + 31)
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#define HT32_IRQ_I2C1ERR (HT32_IRQ_FIRST + 32)
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#define HT32_IRQ_I2C2EV (HT32_IRQ_FIRST + 33)
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#define HT32_IRQ_I2C2ERR (HT32_IRQ_FIRST + 34)
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#define HT32_IRQ_SPI1 (HT32_IRQ_FIRST + 35)
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#define HT32_IRQ_SPI2 (HT32_IRQ_FIRST + 36)
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#define HT32_IRQ_USART1 (HT32_IRQ_FIRST + 37)
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#define HT32_IRQ_USART2 (HT32_IRQ_FIRST + 38)
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#define HT32_IRQ_USART3 (HT32_IRQ_FIRST + 39)
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#define HT32_IRQ_EXINT1510 (HT32_IRQ_FIRST + 40)
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#define HT32_IRQ_ERTCALARM (HT32_IRQ_FIRST + 41)
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#define HT32_IRQ_OTGFSWKUP (HT32_IRQ_FIRST + 42)
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#define HT32_IRQ_TMR12 (HT32_IRQ_FIRST + 43)
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#define HT32_IRQ_TMR13 (HT32_IRQ_FIRST + 44)
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#define HT32_IRQ_TMR14 (HT32_IRQ_FIRST + 45)
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#define HT32_IRQ_SPI3 (HT32_IRQ_FIRST + 51)
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#define HT32_IRQ_USART4 (HT32_IRQ_FIRST + 52)
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#define HT32_IRQ_USART5 (HT32_IRQ_FIRST + 53)
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#define HT32_IRQ_TMR6 (HT32_IRQ_FIRST + 54)
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#define HT32_IRQ_DAC HT32_IRQ_TMR6
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#define HT32_IRQ_TMR7 (HT32_IRQ_FIRST + 55)
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#define HT32_IRQ_DMA2CH1 (HT32_IRQ_FIRST + 56)
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#define HT32_IRQ_DMA2CH2 (HT32_IRQ_FIRST + 57)
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#define HT32_IRQ_DMA2CH3 (HT32_IRQ_FIRST + 58)
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#define HT32_IRQ_DMA2CH4 (HT32_IRQ_FIRST + 59)
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#define HT32_IRQ_DMA2CH5 (HT32_IRQ_FIRST + 60)
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#define HT32_IRQ_CAN2TX (HT32_IRQ_FIRST + 63)
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#define HT32_IRQ_CAN2RX0 (HT32_IRQ_FIRST + 64)
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#define HT32_IRQ_CAN2RX1 (HT32_IRQ_FIRST + 65)
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#define HT32_IRQ_CAN2SE (HT32_IRQ_FIRST + 66)
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#define HT32_IRQ_OTGFS1 (HT32_IRQ_FIRST + 67)
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#define HT32_IRQ_OTGFS HT32_IRQ_OTGFS1
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#define HT32_IRQ_DMA2CH6 (HT32_IRQ_FIRST + 68)
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#define HT32_IRQ_DMA2CH7 (HT32_IRQ_FIRST + 69)
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#define HT32_IRQ_USART6 (HT32_IRQ_FIRST + 71)
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#define HT32_IRQ_I2C3EV (HT32_IRQ_FIRST + 72)
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#define HT32_IRQ_I2C3ERR (HT32_IRQ_FIRST + 73)
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#define HT32_IRQ_FPU (HT32_IRQ_FIRST + 81)
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#define HT32_IRQ_USART7 (HT32_IRQ_FIRST + 82)
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#define HT32_IRQ_USART8 (HT32_IRQ_FIRST + 83)
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#define HT32_IRQ_DMAMUX (HT32_IRQ_FIRST + 94)
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#define HT32_IRQ_ACC (HT32_IRQ_FIRST + 103)
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#define HT32_IRQ_NEXTINT (104)
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#define NR_IRQS (HT32_IRQ_FIRST + HT32_IRQ_NEXTINT)
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#endif /* __ARCH_ARM_INCLUDE_HT32F491X3_HT32F491X3_IRQ_H */

‎arch/arm/include/ht32f491x3/irq.h‎

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/****************************************************************************
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* arch/arm/include/ht32f491x3/irq.h
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*
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* SPDX-License-Identifier: Apache-2.0
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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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/* This file should never be included directly but, rather,
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* only indirectly through nuttx/irq.h
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*/
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#ifndef __ARCH_ARM_INCLUDE_HT32F491X3_IRQ_H
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#define __ARCH_ARM_INCLUDE_HT32F491X3_IRQ_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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#include <nuttx/irq.h>
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#include <arch/ht32f491x3/chip.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define HT32_IRQ_RESERVED (0)
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#define HT32_IRQ_NMI (2)
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#define HT32_IRQ_HARDFAULT (3)
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#define HT32_IRQ_MEMFAULT (4)
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#define HT32_IRQ_BUSFAULT (5)
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#define HT32_IRQ_USAGEFAULT (6)
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#define HT32_IRQ_SVCALL (11)
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#define HT32_IRQ_DBGMONITOR (12)
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#define HT32_IRQ_PENDSV (14)
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#define HT32_IRQ_SYSTICK (15)
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#define HT32_IRQ_FIRST (16)
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <arch/ht32f491x3/ht32f491x3_irq.h>
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#endif /* __ARCH_ARM_INCLUDE_HT32F491X3_IRQ_H */

‎arch/arm/src/Makefile‎

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############################################################################
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include $(TOPDIR)/tools/Make.defs
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# Allow cleanup targets to run even if the configured chip dirlink is gone.
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CLEAN_GOALS = clean distclean
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ifeq ($(strip $(MAKECMDGOALS)),)
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include chip/Make.defs
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else ifeq ($(strip $(filter-out $(CLEAN_GOALS),$(MAKECMDGOALS))),)
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-include chip/Make.defs
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else
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include chip/Make.defs
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endif
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ifeq ($(CONFIG_ARCH_ARMV7A),y) # ARMv7-A
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ARCH_SUBDIR = armv7-a

‎arch/arm/src/ht32f491x3/CMakeLists.txt‎

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# ##############################################################################
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# arch/arm/src/ht32f491x3/CMakeLists.txt
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more contributor
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# license agreements. See the NOTICE file distributed with this work for
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# additional information regarding copyright ownership. The ASF licenses this
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# file to you under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# 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 under
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# the License.
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#
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# ##############################################################################
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list(
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APPEND
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SRCS
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ht32f491x3_start.c
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ht32f491x3_irq.c
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ht32f491x3_timerisr.c
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ht32f491x3_gpio.c
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ht32f491x3_lowputc.c
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ht32f491x3_serial.c)
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if(CONFIG_ARCH_HAVE_CUSTOM_VECTORS)
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list(APPEND SRCS arm_vectors.c)
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endif()
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target_sources(arch PRIVATE ${SRCS})

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