rt-thread-official/bsp/airm2m/air105/board/board.c

86 lines
2.2 KiB
C

/*
* Copyright (c) 2006-2024 RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-02-22 airm2m first version
*/
#include "board.h"
#include "drv_common.h"
#include "drv_gpio.h"
#include "drv_usart_v2.h"
uint32_t SystemCoreClock;
extern const uint32_t __isr_start_address;
const uint32_t __attribute__((section (".app_info")))
g_CAppInfo[256] =
{
__APP_START_MAGIC__,
sizeof(g_CAppInfo),
0,
0,
};
void SystemInit(void)
{
#ifdef __USE_XTL__
SYSCTRL->FREQ_SEL = 0x20000000 | SYSCTRL_FREQ_SEL_HCLK_DIV_1_2 | (1 << 13) | SYSCTRL_FREQ_SEL_CLOCK_SOURCE_EXT | SYSCTRL_FREQ_SEL_XTAL_192Mhz;
#else
SYSCTRL->FREQ_SEL = 0x20000000 | SYSCTRL_FREQ_SEL_HCLK_DIV_1_2 | (1 << 13) | SYSCTRL_FREQ_SEL_CLOCK_SOURCE_INC | SYSCTRL_FREQ_SEL_XTAL_192Mhz;
#endif
SCB->VTOR = (uint32_t)(&__isr_start_address);
SYSCTRL->CG_CTRL1 = SYSCTRL_APBPeriph_ALL;
SYSCTRL->SOFT_RST1 = SYSCTRL_APBPeriph_ALL;
SYSCTRL->PHER_CTRL &= ~(1 << 20);
SYSCTRL->SOFT_RST2 &= ~SYSCTRL_USB_RESET;
SYSCTRL->LOCK_R |= SYSCTRL_USB_RESET;
__enable_irq();
}
void SystemCoreClockUpdate (void) /* Get Core Clock Frequency */
{
SystemCoreClock = HSE_VALUE * (((SYSCTRL->FREQ_SEL & SYSCTRL_FREQ_SEL_XTAL_Mask) >> SYSCTRL_FREQ_SEL_XTAL_Pos) + 1);
}
void rt_hw_board_init(void)
{
GPIO_Config(GPIOC_03, 0, 0);
GPIO_Config(GPIOD_14, 0, 0);
GPIO_Config(GPIOD_15, 0, 0);
__NVIC_SetPriorityGrouping(7 - __NVIC_PRIO_BITS);
SystemCoreClockUpdate();
#ifdef RT_USING_HEAP
rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
#endif
rt_hw_systick_init();
DMA_GlobalInit();
Uart_GlobalInit();
DMA_TakeStream(DMA1_STREAM_1);/* for qspi */
CoreTick_Init();
#ifdef RT_USING_PIN
rt_hw_pin_init();
#endif
/* USART driver initialization is open by default */
#ifdef RT_USING_SERIAL
rt_hw_usart_init();
#endif
/* Set the shell console output device */
#if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
#endif
/* Board underlying hardware initialization */
#ifdef RT_USING_COMPONENTS_INIT
rt_components_board_init();
#endif
}