diff --git a/hw/bsp/mm32/mm32f327x/flash.ld b/hw/bsp/mm32/mm32f327x/flash.ld new file mode 100644 index 000000000..d96d6e43d --- /dev/null +++ b/hw/bsp/mm32/mm32f327x/flash.ld @@ -0,0 +1,163 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2020 MM32 SE TEAM + * + * 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. + * + * This file is part of the TinyUSB stack. + */ + +/* Entry Point */ +ENTRY(Reset_Handler) + +/* Highest address of the user mode stack */ +_estack = 0x2001FFFF; /* end of RAM */ + +/* Generate a link error if heap and stack don't fit into RAM */ +_Min_Heap_Size = 0x200; /* required amount of heap */ +_Min_Stack_Size = 0x400; /* required amount of stack */ + +/* Specify the memory areas */ +MEMORY +{ +FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 512K +RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K +} + +/* Define output sections */ +SECTIONS +{ + /* The startup code goes first into FLASH */ + .isr_vector : + { + . = ALIGN(4); + KEEP(*(.isr_vector)) /* Startup code */ + . = ALIGN(4); + } >FLASH + + /* The program code and other data goes into FLASH */ + .text : + { + . = ALIGN(4); + *(.text) /* .text sections (code) */ + *(.text*) /* .text* sections (code) */ + *(.glue_7) /* glue arm to thumb code */ + *(.glue_7t) /* glue thumb to arm code */ + *(.eh_frame) + + KEEP (*(.init)) + KEEP (*(.fini)) + + . = ALIGN(4); + _etext = .; /* define a global symbols at end of code */ + } >FLASH + + /* Constant data goes into FLASH */ + .rodata : + { + . = ALIGN(4); + *(.rodata) /* .rodata sections (constants, strings, etc.) */ + *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ + . = ALIGN(4); + } >FLASH + + .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH + .ARM : { + __exidx_start = .; + *(.ARM.exidx*) + __exidx_end = .; + } >FLASH + + .preinit_array : + { + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP (*(.preinit_array*)) + PROVIDE_HIDDEN (__preinit_array_end = .); + } >FLASH + .init_array : + { + PROVIDE_HIDDEN (__init_array_start = .); + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array*)) + PROVIDE_HIDDEN (__init_array_end = .); + } >FLASH + .fini_array : + { + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP (*(SORT(.fini_array.*))) + KEEP (*(.fini_array*)) + PROVIDE_HIDDEN (__fini_array_end = .); + } >FLASH + + /* used by the startup to initialize data */ + _sidata = LOADADDR(.data); + + /* Initialized data sections goes into RAM, load LMA copy after code */ + .data : + { + . = ALIGN(4); + _sdata = .; /* create a global symbol at data start */ + *(.data) /* .data sections */ + *(.data*) /* .data* sections */ + + . = ALIGN(4); + _edata = .; /* define a global symbol at data end */ + } >RAM AT> FLASH + + + /* Uninitialized data section */ + . = ALIGN(4); + .bss : + { + /* This is used by the startup in order to initialize the .bss secion */ + _sbss = .; /* define a global symbol at bss start */ + __bss_start__ = _sbss; + *(.bss) + *(.bss*) + *(COMMON) + + . = ALIGN(4); + _ebss = .; /* define a global symbol at bss end */ + __bss_end__ = _ebss; + } >RAM + + /* User_heap_stack section, used to check that there is enough RAM left */ + ._user_heap_stack : + { + . = ALIGN(8); + PROVIDE ( end = . ); + PROVIDE ( _end = . ); + . = . + _Min_Heap_Size; + . = . + _Min_Stack_Size; + . = ALIGN(8); + } >RAM + + + + /* Remove information from the standard libraries */ + /DISCARD/ : + { + libc.a ( * ) + libm.a ( * ) + libgcc.a ( * ) + } + + .ARM.attributes 0 : { *(.ARM.attributes) } +} diff --git a/hw/bsp/mm32/mm32f327x/mm32f327x_mb39.c b/hw/bsp/mm32/mm32f327x/mm32f327x_mb39.c new file mode 100644 index 000000000..39b264b70 --- /dev/null +++ b/hw/bsp/mm32/mm32f327x/mm32f327x_mb39.c @@ -0,0 +1,161 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2020 MM32 SE TEAM + * + * 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. + * + * This file is part of the TinyUSB stack. + */ + +#include "mm32_device.h" +#include "hal_conf.h" +#include "tusb.h" +#include "../board.h" + +//--------------------------------------------------------------------+ +// Forward USB interrupt events to TinyUSB IRQ Handler +//--------------------------------------------------------------------+ +void OTG_FS_IRQHandler(void) +{ + dcd_int_handler(TUD_OPT_RHPORT); + +} +void USB_DeviceClockInit(void) +{ + /* Select USBCLK source */ + // RCC_USBCLKConfig(RCC_USBCLKSource_PLLCLK_Div1); + RCC->CFGR &= ~(0x3 << 22); + RCC->CFGR |= (0x1 << 22); + + /* Enable USB clock */ + RCC->AHB2ENR |= 0x1 << 7; +} +//--------------------------------------------------------------------+ +// MACRO TYPEDEF CONSTANT ENUM DECLARATION +//--------------------------------------------------------------------+ +// LED + +void board_led_write(bool state); +extern u32 SystemCoreClock; +const int baudrate = 115200; + +void board_init(void) +{ +// usb clock + USB_DeviceClockInit(); + + if (SysTick_Config(SystemCoreClock / 1000)) { + while (1); + } + NVIC_SetPriority(SysTick_IRQn, 0x0); + + // LED + GPIO_InitTypeDef GPIO_InitStruct; + RCC_AHBPeriphClockCmd(RCC_AHBENR_GPIOA, ENABLE); + GPIO_StructInit(&GPIO_InitStruct); + GPIO_PinAFConfig(GPIOA, GPIO_PinSource15, GPIO_AF_15); //Disable JTDI AF to AF15 + + GPIO_InitStruct.GPIO_Pin = GPIO_Pin_15; + GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP; + GPIO_Init(GPIOA, &GPIO_InitStruct); + + board_led_write(true); + + // UART + UART_InitTypeDef UART_InitStruct; + + RCC_APB2PeriphClockCmd(RCC_APB2ENR_UART1, ENABLE); //enableUART1,GPIOAclock + RCC_AHBPeriphClockCmd(RCC_AHBENR_GPIOA, ENABLE); // + //UART initialset + + GPIO_PinAFConfig(GPIOA, GPIO_PinSource9, GPIO_AF_7); + GPIO_PinAFConfig(GPIOA, GPIO_PinSource10, GPIO_AF_7); + + + UART_StructInit(&UART_InitStruct); + UART_InitStruct.UART_BaudRate = baudrate; + UART_InitStruct.UART_WordLength = UART_WordLength_8b; + UART_InitStruct.UART_StopBits = UART_StopBits_1;//one stopbit + UART_InitStruct.UART_Parity = UART_Parity_No;//none odd-even verify bit + UART_InitStruct.UART_HardwareFlowControl = UART_HardwareFlowControl_None;//No hardware flow control + UART_InitStruct.UART_Mode = UART_Mode_Rx | UART_Mode_Tx; // receive and sent mode + + UART_Init(UART1, &UART_InitStruct); //initial uart 1 + UART_Cmd(UART1, ENABLE); //enable uart 1 + + //UART1_TX GPIOA.9 + GPIO_StructInit(&GPIO_InitStruct); + GPIO_InitStruct.GPIO_Pin = GPIO_Pin_9; + GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_Init(GPIOA, &GPIO_InitStruct); + + //UART1_RX GPIOA.10 + GPIO_InitStruct.GPIO_Pin = GPIO_Pin_5; + GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IPU; + GPIO_Init(GPIOA, &GPIO_InitStruct); + +} + +//--------------------------------------------------------------------+ +// Board porting API +//--------------------------------------------------------------------+ + +void board_led_write(bool state) +{ + state ? (GPIO_ResetBits(GPIOA,GPIO_Pin_15)):(GPIO_SetBits(GPIOA,GPIO_Pin_15)); +} + +uint32_t board_button_read(void) +{ + return 0; +} + +int board_uart_read(uint8_t* buf, int len) +{ + (void) buf; (void) len; + return 0; +} + +int board_uart_write(void const * buf, int len) +{ + const char *buff = buf; + while(len){ + while((UART1->CSR & UART_IT_TXIEN) == 0); //The loop is sent until it is finished + UART1->TDR = (*buff & 0xFF); + buff++; + len--; + } + return len; +} + +#if CFG_TUSB_OS == OPT_OS_NONE +volatile uint32_t system_ticks = 0; +void SysTick_Handler(void) +{ + system_ticks++; +} + +uint32_t board_millis(void) +{ + return system_ticks; +} +#endif