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Board.c增加了DMA初始化相关设置

This commit is contained in:
wangqiang 2019-07-05 13:49:03 +08:00
parent 09d18dccf6
commit d93fdb1ea8
1 changed files with 35 additions and 2 deletions
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37
bsp/imxrt/imxrt1064-nxp-evk/board/board.c
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@ -13,6 +13,22 @@
#include "board.h"
#include "pin_mux.h"
#ifdef BSP_USING_DMA
#include "fsl_dmamux.h"
#include "fsl_edma.h"
#endif
#define NVIC_PRIORITYGROUP_0 0x00000007U /*!< 0 bits for pre-emption priority
4 bits for subpriority */
#define NVIC_PRIORITYGROUP_1 0x00000006U /*!< 1 bits for pre-emption priority
3 bits for subpriority */
#define NVIC_PRIORITYGROUP_2 0x00000005U /*!< 2 bits for pre-emption priority
2 bits for subpriority */
#define NVIC_PRIORITYGROUP_3 0x00000004U /*!< 3 bits for pre-emption priority
1 bits for subpriority */
#define NVIC_PRIORITYGROUP_4 0x00000003U /*!< 4 bits for pre-emption priority
0 bits for subpriority */
/* MPU configuration. */
static void BOARD_ConfigMPU(void)
{
@ -52,7 +68,7 @@ static void BOARD_ConfigMPU(void)
MPU->RBAR = ARM_MPU_RBAR(6, 0x20200000U);
MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 0, 0, 1, 1, 0, ARM_MPU_REGION_SIZE_256KB);
#if defined(SDRAM_MPU_INIT)
#if defined(BSP_USING_SDRAM)
/* Region 7 setting */
MPU->RBAR = ARM_MPU_RBAR(7, 0x80000000U);
MPU->RASR = ARM_MPU_RASR(0, ARM_MPU_AP_FULL, 0, 0, 1, 1, 0, ARM_MPU_REGION_SIZE_32MB);
@ -83,15 +99,32 @@ void SysTick_Handler(void)
rt_interrupt_leave();
}
/* This function will initial STM32 board. */
#ifdef BSP_USING_DMA
void imxrt_dma_init(void)
{
edma_config_t config;
DMAMUX_Init(DMAMUX);
EDMA_GetDefaultConfig(&config);
EDMA_Init(DMA0, &config);
}
#endif
/**
* This function will initial rt1050 board.
*/
void rt_hw_board_init()
{
BOARD_ConfigMPU();
BOARD_InitPins();
BOARD_BootClockRUN();
NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
#ifdef BSP_USING_DMA
imxrt_dma_init();
#endif
#ifdef RT_USING_HEAP
rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
#endif