CLSH1001-Firmware/managed_components/espressif__tinyusb/hw/bsp/ch32v307/family.c
2024-03-05 16:09:49 -06:00

179 lines
4.7 KiB
C

/*
* The MIT License (MIT)
*
* Copyright (c) 2022 Greg Davill
*
* 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 "stdio.h"
#include "debug_uart.h"
#include "ch32v30x.h"
#include "bsp/board.h"
#include "board.h"
//--------------------------------------------------------------------+
// Forward USB interrupt events to TinyUSB IRQ Handler
//--------------------------------------------------------------------+
void USBHS_IRQHandler (void) __attribute__((naked));
void USBHS_IRQHandler (void)
{
__asm volatile ("call USBHS_IRQHandler_impl; mret");
}
__attribute__ ((used)) void USBHS_IRQHandler_impl (void)
{
tud_int_handler(0);
}
//--------------------------------------------------------------------+
// MACRO TYPEDEF CONSTANT ENUM
//--------------------------------------------------------------------+
uint32_t SysTick_Config(uint32_t ticks)
{
NVIC_EnableIRQ(SysTicK_IRQn);
SysTick->CTLR=0;
SysTick->SR=0;
SysTick->CNT=0;
SysTick->CMP=ticks-1;
SysTick->CTLR=0xF;
return 0;
}
void board_init(void) {
/* Disable interrupts during init */
__disable_irq();
#if CFG_TUSB_OS == OPT_OS_NONE
SysTick_Config(SystemCoreClock / 1000);
#endif
usart_printf_init(115200);
RCC_USBCLK48MConfig(RCC_USBCLK48MCLKSource_USBPHY);
RCC_USBHSPLLCLKConfig(RCC_HSBHSPLLCLKSource_HSE);
RCC_USBHSConfig(RCC_USBPLL_Div2);
RCC_USBHSPLLCKREFCLKConfig(RCC_USBHSPLLCKREFCLK_4M);
RCC_USBHSPHYPLLALIVEcmd(ENABLE);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_USBHS, ENABLE);
GPIO_InitTypeDef GPIO_InitStructure = {0};
// LED
LED_CLOCK_EN();
GPIO_InitStructure.GPIO_Pin = LED_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(LED_PORT, &GPIO_InitStructure);
// Button
BUTTON_CLOCK_EN();
GPIO_InitStructure.GPIO_Pin = BUTTON_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(BUTTON_PORT, &GPIO_InitStructure);
/* Enable interrupts globally */
__enable_irq();
board_delay(2);
}
#if CFG_TUSB_OS == OPT_OS_NONE
volatile uint32_t system_ticks = 0;
/* Small workaround to support HW stack save/restore */
void SysTick_Handler (void) __attribute__((naked));
void SysTick_Handler (void)
{
__asm volatile ("call SysTick_Handler_impl; mret");
}
__attribute__((used)) void SysTick_Handler_impl (void)
{
SysTick->SR = 0;
system_ticks++;
}
uint32_t board_millis (void)
{
return system_ticks;
}
#endif
//--------------------------------------------------------------------+
// Board porting API
//--------------------------------------------------------------------+
void board_led_write (bool state)
{
GPIO_WriteBit(LED_PORT, LED_PIN, state);
}
uint32_t board_button_read (void)
{
return BUTTON_STATE_ACTIVE == GPIO_ReadInputDataBit(BUTTON_PORT, BUTTON_PIN);
}
int board_uart_read (uint8_t *buf, int len)
{
(void) buf;
(void) len;
return 0;
}
int board_uart_write (void const *buf, int len)
{
int txsize = len;
while ( txsize-- )
{
uart_write(*(uint8_t const*) buf);
buf++;
}
return len;
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(char* file, uint32_t line) {
/* USER CODE BEGIN 6 */
/* User can add his own implementation to report the file name and line
number,
tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line)
*/
/* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */