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support at32 mcu

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zhiqiang
2025-07-07 14:13:15 +08:00
parent b012e95dfe
commit 73bf9aeaa6
99 changed files with 262200 additions and 1 deletions
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hw/bsp/at32f425/family.c Normal file
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/*
* The MIT License (MIT)
*
* Copyright (c) 2019 Ha Thach (tinyusb.org)
*
* 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 "at32f425_clock.h"
#include "bsp/board_api.h"
#include "board.h"
void uart_print_init(uint32_t baudrate);
void usb_clock48m_select(usb_clk48_s clk_s);
void led_and_button_init(void);
//--------------------------------------------------------------------+
// Forward USB interrupt events to TinyUSB IRQ Handler
//--------------------------------------------------------------------+
void OTGFS1_IRQHandler(void)
{
tusb_int_handler(0, true);
}
void OTGFS1_WKUP_IRQHandler(void)
{
tusb_int_handler(0, true);
}
void board_init(void)
{
/* config nvic priority group */
nvic_priority_group_config(NVIC_PRIORITY_GROUP_4);
/* config system clock */
system_clock_config();
/* enable usb clock */
crm_periph_clock_enable(OTG_CLOCK, TRUE);
/* select usb 48m clcok source */
usb_clock48m_select(USB_CLK_HEXT);
/* vbus ignore */
board_vbus_sense_init();
/* configure systick */
systick_clock_source_config(SYSTICK_CLOCK_SOURCE_AHBCLK_NODIV);
SysTick_Config(SystemCoreClock / 1000);
#if CFG_TUSB_OS == OPT_OS_FREERTOS
// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
NVIC_SetPriority(OTG_IRQ, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
#endif
/* otgfs use vbus pin */
#ifndef USB_VBUS_IGNORE
gpio_init_type gpio_init_struct;
crm_periph_clock_enable(OTG_PIN_GPIO_CLOCK, TRUE);
gpio_default_para_init(&gpio_init_struct);
gpio_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_STRONGER;
gpio_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
gpio_init_struct.gpio_mode = GPIO_MODE_MUX;
gpio_init_struct.gpio_pins = OTG_PIN_VBUS;
gpio_init_struct.gpio_pull = GPIO_PULL_DOWN;
gpio_pin_mux_config(OTG_PIN_GPIO, OTG_PIN_VBUS_SOURCE, OTG_PIN_MUX);
gpio_init(OTG_PIN_GPIO, &gpio_init_struct);
#endif
/* config led and key */
led_and_button_init();
/* config usart printf */
uart_print_init(115200);
printf("usart printf config success!\r\n");
}
//--------------------------------------------------------------------+
// Board porting API
//--------------------------------------------------------------------+
/**
* @brief usb 48M clock select
* @param clk_s:USB_CLK_HICK, USB_CLK_HEXT
* @retval none
*/
void usb_clock48m_select(usb_clk48_s clk_s)
{
if(clk_s == USB_CLK_HICK)
{
crm_usb_clock_source_select(CRM_USB_CLOCK_SOURCE_HICK);
/* enable the acc calibration ready interrupt */
crm_periph_clock_enable(CRM_ACC_PERIPH_CLOCK, TRUE);
/* update the c1\c2\c3 value */
acc_write_c1(7980);
acc_write_c2(8000);
acc_write_c3(8020);
/* open acc calibration */
acc_calibration_mode_enable(ACC_CAL_HICKTRIM, TRUE);
}
else
{
/* usb divider reset */
crm_usb_div_reset();
switch(system_core_clock)
{
/* 48MHz */
case 48000000:
crm_usb_clock_div_set(CRM_USB_DIV_1);
break;
/* 72MHz */
case 72000000:
crm_usb_clock_div_set(CRM_USB_DIV_1_5);
break;
/* 96MHz */
case 96000000:
crm_usb_clock_div_set(CRM_USB_DIV_2);
break;
default:
break;
}
}
}
void led_and_button_init(void)
{
/* LED */
gpio_init_type gpio_led_init_struct;
/* enable the led clock */
LED_GPIO_CLK_EN();
/* set default parameter */
gpio_default_para_init(&gpio_led_init_struct);
/* configure the led gpio */
gpio_led_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_STRONGER;
gpio_led_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
gpio_led_init_struct.gpio_mode = GPIO_MODE_OUTPUT;
gpio_led_init_struct.gpio_pins = LED_PIN;
gpio_led_init_struct.gpio_pull = GPIO_PULL_NONE;
gpio_init(LED_PORT, &gpio_led_init_struct);
/* Button */
gpio_init_type gpio_button_init_struct;
/* enable the button clock */
BUTTON_GPIO_CLK_EN();
/* set default parameter */
gpio_default_para_init(&gpio_button_init_struct);
/* configure the button gpio */
gpio_button_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_STRONGER;
gpio_button_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
gpio_button_init_struct.gpio_mode = GPIO_MODE_INPUT;
gpio_button_init_struct.gpio_pins = BUTTON_PIN;
gpio_button_init_struct.gpio_pull = GPIO_PULL_DOWN;
gpio_init(BUTTON_PORT, &gpio_button_init_struct);
}
/**
* @brief initialize uart
* @param baudrate: uart baudrate
* @retval none
*/
void uart_print_init(uint32_t baudrate)
{
gpio_init_type gpio_init_struct;
/* enable the uart and gpio clock */
crm_periph_clock_enable(PRINT_UART_CRM_CLK, TRUE);
crm_periph_clock_enable(PRINT_UART_TX_GPIO_CRM_CLK, TRUE);
gpio_default_para_init(&gpio_init_struct);
/* configure the uart tx pin */
gpio_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_STRONGER;
gpio_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
gpio_init_struct.gpio_mode = GPIO_MODE_MUX;
gpio_init_struct.gpio_pins = PRINT_UART_TX_PIN;
gpio_init_struct.gpio_pull = GPIO_PULL_NONE;
gpio_init(PRINT_UART_TX_GPIO, &gpio_init_struct);
gpio_pin_mux_config(PRINT_UART_TX_GPIO, PRINT_UART_TX_PIN_SOURCE, PRINT_UART_TX_PIN_MUX_NUM);
/* configure uart param */
usart_init(PRINT_UART, baudrate, USART_DATA_8BITS, USART_STOP_1_BIT);
usart_transmitter_enable(PRINT_UART, TRUE);
usart_enable(PRINT_UART, TRUE);
}
// Get characters from UART. Return number of read bytes
int board_uart_read(uint8_t *buf, int len)
{
(void) buf;
(void) len;
return 0;
}
// Send characters to UART. Return number of sent bytes
int board_uart_write(void const *buf, int len)
{
#if CFG_TUSB_OS == OPT_OS_NONE
int txsize = len;
u16 timeout = 0xffff;
while (txsize--)
{
while(usart_flag_get(PRINT_UART, USART_TDBE_FLAG) == RESET)
{
timeout--;
if(timeout == 0)
{
return 0;
}
}
PRINT_UART->dt = (*((uint8_t const *)buf) & 0x01FF);
buf++;
}
return len;
#else
(void) buf;
(void) len;
return 0;
#endif
}
void board_led_write(bool state)
{
gpio_bits_write(LED_PORT, LED_PIN, state ^ (!LED_STATE_ON));
}
uint32_t board_button_read(void)
{
return gpio_input_data_bit_read(BUTTON_PORT, BUTTON_PIN);
}
size_t board_get_unique_id(uint8_t id[], size_t max_len)
{
(void) max_len;
volatile uint32_t * at32_uuid = ((volatile uint32_t*)0x1FFFF7E8);
uint32_t* id32 = (uint32_t*) (uintptr_t) id;
uint8_t const len = 12;
id32[0] = at32_uuid[0];
id32[1] = at32_uuid[1];
id32[2] = at32_uuid[2];
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;
}
void SVC_Handler(void)
{
}
void PendSV_Handler(void)
{
}
#endif
void HardFault_Handler(void)
{
__asm("BKPT #0\n");
}
#ifdef USE_FULL_ASSERT
void assert_failed(const 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 */