134 lines
4.1 KiB
C
134 lines
4.1 KiB
C
/*
|
|
* 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 "../board.h"
|
|
|
|
#include "stm32f3xx.h"
|
|
#include "stm32f3xx_hal_conf.h"
|
|
|
|
void board_init(void)
|
|
{
|
|
RCC_ClkInitTypeDef RCC_ClkInitStruct;
|
|
RCC_OscInitTypeDef RCC_OscInitStruct;
|
|
|
|
/* Enable HSE Oscillator and activate PLL with HSE as source */
|
|
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
|
|
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
|
|
RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
|
|
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
|
|
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
|
|
HAL_RCC_OscConfig(&RCC_OscInitStruct);
|
|
|
|
/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
|
|
clocks dividers */
|
|
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
|
|
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
|
|
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
|
|
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
|
|
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
|
|
(void) HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);
|
|
|
|
// Notify runtime of frequency change.
|
|
SystemCoreClockUpdate();
|
|
|
|
#if CFG_TUSB_OS == OPT_OS_NONE
|
|
// 1ms tick timer
|
|
SysTick_Config(SystemCoreClock / 1000);
|
|
#endif
|
|
|
|
/* -1- Enable GPIOE Clock (to be able to program the configuration registers) */
|
|
__HAL_RCC_GPIOE_CLK_ENABLE();
|
|
|
|
/* -2- Configure PE.8 to PE.15 IOs in output push-pull mode to drive external LEDs */
|
|
static GPIO_InitTypeDef GPIO_InitStruct;
|
|
GPIO_InitStruct.Pin = GPIO_PIN_9;
|
|
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
|
|
GPIO_InitStruct.Pull = GPIO_PULLUP;
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
|
|
|
|
HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
|
|
|
|
#if 0
|
|
RCC->AHB2ENR |= RCC_AHB2ENR_OTGFSEN;
|
|
|
|
// USB Pin Init
|
|
// PA9- VUSB, PA10- ID, PA11- DM, PA12- DP
|
|
// PC0- Power on
|
|
RCC->AHB1ENR |= RCC_AHB1ENR_GPIOAEN;
|
|
GPIOA->MODER |= GPIO_MODER_MODE9_1 | GPIO_MODER_MODE10_1 | \
|
|
GPIO_MODER_MODE11_1 | GPIO_MODER_MODE12_1;
|
|
GPIOA->AFR[1] |= (10 << GPIO_AFRH_AFSEL9_Pos) | \
|
|
(10 << GPIO_AFRH_AFSEL10_Pos) | (10 << GPIO_AFRH_AFSEL11_Pos) | \
|
|
(10 << GPIO_AFRH_AFSEL12_Pos);
|
|
|
|
// Pullup required on ID, despite the manual claiming there's an
|
|
// internal pullup already (page 1245, Rev 17)
|
|
GPIOA->PUPDR |= GPIO_PUPDR_PUPD10_0;
|
|
#endif
|
|
}
|
|
|
|
|
|
void board_led_write(bool state)
|
|
{
|
|
HAL_GPIO_WritePin(GPIOE, GPIO_PIN_9, state);
|
|
}
|
|
|
|
uint32_t board_button_read(void)
|
|
{
|
|
// TODO implement
|
|
return 0;
|
|
}
|
|
|
|
/*------------------------------------------------------------------*/
|
|
/* TUSB HAL MILLISECOND
|
|
*------------------------------------------------------------------*/
|
|
#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
|
|
|
|
void HardFault_Handler (void)
|
|
{
|
|
asm("bkpt");
|
|
}
|
|
|
|
// Required by __libc_init_array in startup code if we are compiling using
|
|
// -nostdlib/-nostartfiles.
|
|
void _init(void)
|
|
{
|
|
|
|
}
|