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rt-thread-official/bsp/stm32_radio/board.c

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/*
* File : board.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2009 RT-Thread Develop Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2006-08-23 Bernard first implementation
*/
#include <rthw.h>
#include <rtthread.h>
#include "stm32f10x.h"
#include "board.h"
/**
* @addtogroup STM32
*/
/*@{*/
/*******************************************************************************
* Function Name : NVIC_Configuration
* Description : Configures Vector Table base location.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void NVIC_Configuration(void)
{
#ifdef VECT_TAB_RAM
/* Set the Vector Table base location at 0x20000000 */
NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0);
#else /* VECT_TAB_FLASH */
/* Set the Vector Table base location at 0x08000000 */
NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);
#endif
/*
* set priority group:
* 2 bits for pre-emption priority
* 2 bits for subpriority
*/
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
}
extern void rt_hw_interrupt_thread_switch(void);
/**
* This is the timer interrupt service routine.
*
*/
void rt_hw_timer_handler(void)
{
/* enter interrupt */
rt_interrupt_enter();
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
}
/* NAND Flash */
#include "fsmc_nand.h"
static void all_device_reset(void)
{
/* RESET */
/* DM9000A PE5 */
/* LCD PF10 */
/* SPI-FLASH PA3 */
/* CS */
/* DM9000A FSMC_NE4 PG12 */
/* LCD FSMC_NE2 PG9 */
/* SPI_FLASH PA4 */
/* CODEC PC5 */
/* TOUCH PC4 */
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOE
| RCC_APB2Periph_GPIOF | RCC_APB2Periph_GPIOG,ENABLE);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
/* SDIO POWER */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_Init(GPIOC,&GPIO_InitStructure);
GPIO_SetBits(GPIOC,GPIO_Pin_6); /* SD card power down */
/* SPI_FLASH CS */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
GPIO_Init(GPIOA,&GPIO_InitStructure);
GPIO_SetBits(GPIOA,GPIO_Pin_4);
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
/* CODEC && TOUCH CS */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5;
GPIO_Init(GPIOC,&GPIO_InitStructure);
GPIO_SetBits(GPIOC,GPIO_Pin_4 | GPIO_Pin_5);
/* DM9000A RESET */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_Init(GPIOE,&GPIO_InitStructure);
GPIO_ResetBits(GPIOE,GPIO_Pin_5);
/* LCD RESET */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_Init(GPIOF,&GPIO_InitStructure);
GPIO_ResetBits(GPIOF,GPIO_Pin_10);
/* SPI_FLASH RESET */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
GPIO_Init(GPIOA,&GPIO_InitStructure);
GPIO_ResetBits(GPIOA,GPIO_Pin_3);
/* FSMC GPIO configure */
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE | RCC_APB2Periph_GPIOF
| RCC_APB2Periph_GPIOG, ENABLE);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
/*
FSMC_D0 ~ FSMC_D3
PD14 FSMC_D0 PD15 FSMC_D1 PD0 FSMC_D2 PD1 FSMC_D3
*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_14 | GPIO_Pin_15;
GPIO_Init(GPIOD,&GPIO_InitStructure);
/*
FSMC_D4 ~ FSMC_D12
PE7 ~ PE15 FSMC_D4 ~ FSMC_D12
*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10
| GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
GPIO_Init(GPIOE,&GPIO_InitStructure);
/* FSMC_D13 ~ FSMC_D15 PD8 ~ PD10 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10;
GPIO_Init(GPIOD,&GPIO_InitStructure);
/*
FSMC_A0 ~ FSMC_A5 FSMC_A6 ~ FSMC_A9
PF0 ~ PF5 PF12 ~ PF15
*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3
| GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
GPIO_Init(GPIOF,&GPIO_InitStructure);
/* FSMC_A10 ~ FSMC_A15 PG0 ~ PG5 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5;
GPIO_Init(GPIOG,&GPIO_InitStructure);
/* FSMC_A16 ~ FSMC_A18 PD11 ~ PD13 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13;
GPIO_Init(GPIOD,&GPIO_InitStructure);
/* RD-PD4 WR-PD5 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5;
GPIO_Init(GPIOD,&GPIO_InitStructure);
/* NBL0-PE0 NBL1-PE1 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1;
GPIO_Init(GPIOE,&GPIO_InitStructure);
/* NE1/NCE2 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
GPIO_Init(GPIOD,&GPIO_InitStructure);
/* NE2 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_Init(GPIOG,&GPIO_InitStructure);
/* NE3 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_Init(GPIOG,&GPIO_InitStructure);
/* NE4 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
GPIO_Init(GPIOG,&GPIO_InitStructure);
}
/* FSMC GPIO configure */
GPIO_SetBits(GPIOE,GPIO_Pin_5); /* DM9000A */
GPIO_SetBits(GPIOF,GPIO_Pin_10); /* LCD */
GPIO_SetBits(GPIOA,GPIO_Pin_3); /* SPI_FLASH */
}
/**
* This function will initial STM32 Radio board.
*/
extern void FSMC_SRAM_Init(void);
void rt_hw_board_init()
{
//NAND_IDTypeDef NAND_ID;
/* Configure the system clocks */
SystemInit();
all_device_reset();
/* NVIC Configuration */
NVIC_Configuration();
/* Configure the SysTick */
SysTick_Config( SystemCoreClock / RT_TICK_PER_SECOND );
/* Console Initialization*/
rt_hw_usart_init();
rt_console_set_device("uart1");
rt_kprintf("\r\n\r\nSystemInit......\r\n");
/* SRAM init */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE);
FSMC_SRAM_Init();
/* memtest */
{
unsigned char * p_extram = (unsigned char *)STM32_EXT_SRAM_BEGIN;
unsigned int temp;
rt_kprintf("\r\nmem testing....");
for(temp=0; temp<(STM32_EXT_SRAM_END-STM32_EXT_SRAM_BEGIN); temp++)
{
*p_extram++ = (unsigned char)temp;
}
p_extram = (unsigned char *)STM32_EXT_SRAM_BEGIN;
for(temp=0; temp<(STM32_EXT_SRAM_END-STM32_EXT_SRAM_BEGIN); temp++)
{
if( *p_extram++ != (unsigned char)temp )
{
rt_kprintf("\rmemtest fail @ %08X\r\nsystem halt!!!!!",(unsigned int)p_extram);
while(1);
}
}
rt_kprintf("\rmem test pass!!\r\n");
}/* memtest */
/* SPI1 config */
{
GPIO_InitTypeDef GPIO_InitStructure;
SPI_InitTypeDef SPI_InitStructure;
/* Enable SPI1 Periph clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA
| RCC_APB2Periph_AFIO | RCC_APB2Periph_SPI1,
ENABLE);
/* Configure SPI1 pins: PA5-SCK, PA6-MISO and PA7-MOSI */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/*------------------------ SPI1 configuration ------------------------*/
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;//SPI_Direction_1Line_Tx;
SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_8;/* 72M/64=1.125M */
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
SPI_InitStructure.SPI_CRCPolynomial = 7;
SPI_I2S_DeInit(SPI1);
SPI_Init(SPI1, &SPI_InitStructure);
/* Enable SPI_MASTER */
SPI_Cmd(SPI1, ENABLE);
SPI_CalculateCRC(SPI1, DISABLE);
}
}/* rt_hw_board_init */
/*@}*/
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