tm_stm32f4_sdram.h

#ifndef TM_SDRAM_H
#define TM_SDRAM_H 130

#include "stm32f4xx.h"
#include "stm32f4xx_rcc.h"
#include "stm32f4xx_fmc.h"
#include "defines.h"
#include "attributes.h"
#include "tm_stm32f4_gpio.h"

/* Library supports STM324x9_Eval board too */

#if defined(SDRAM_USE_STM324x9_EVAL) || defined(TM_DISCO_STM324x9_EVAL)

/* Make define */
#ifndef SDRAM_USE_STM324x9_EVAL
#define SDRAM_USE_STM324x9_EVAL
#endif

    /* SDRAM start address = FMC peripheral start address */
    #define SDRAM_START_ADR             (uint32_t)0xC0000000
    /* SDRAM max memory size = 8MB */
    #define SDRAM_MEMORY_SIZE           (uint32_t)0x800000
    /* SDRAM bank */
    #define SDRAM_BANK                  FMC_Bank1_SDRAM
    /* Bank target command */
    #define SDRAM_COMMAND_TARGET_BANK   FMC_Command_Target_bank1
    /* Refresh count */
    #define SDRAM_REFRESH_COUNT         1385
    /* Number of rows */
    #define SDRAM_ROWBITS_NUMBER        FMC_RowBits_Number_11b
    /* Data witdh */
    #define SDRAM_MEMORY_WIDTH          FMC_SDMemory_Width_32b
    /* Read burst */
    #define SDRAM_READ_BURST_STATE      FMC_Read_Burst_Disable
    /* Register value */
    #define SDRAM_REG_VALUE             0x0230

#else

    /* SDRAM start address = FMC peripheral start address */
    #define SDRAM_START_ADR             (uint32_t)0xD0000000
    /* SDRAM max memory size = 8MB */
    #define SDRAM_MEMORY_SIZE           (uint32_t)0x800000
    /* SDRAM bank */
    #define SDRAM_BANK                  FMC_Bank2_SDRAM
    /* Bank target command */
    #define SDRAM_COMMAND_TARGET_BANK   FMC_Command_Target_bank2
    /* Refresh count */
    #define SDRAM_REFRESH_COUNT         680
    /* Number of rows */
    #define SDRAM_ROWBITS_NUMBER        FMC_RowBits_Number_12b
    /* Data witdh */
    #define SDRAM_MEMORY_WIDTH          FMC_SDMemory_Width_16b
    /* Read burst */
    #define SDRAM_READ_BURST_STATE      FMC_Read_Burst_Disable
    /* Register value */
    #define SDRAM_REG_VALUE             0x0231

#endif /* SDRAM_USE_STM324x9_EVAL */

/* Timeout for SDRAM initialization */
#define SDRAM_TIMEOUT                   ((uint32_t)0xFFFF) 

uint8_t TM_SDRAM_Init(void);

#define TM_SDRAM_GetSize()                  (SDRAM_MEMORY_SIZE)

#define TM_SDRAM_Write8(address, value)     (*(__IO uint8_t *) (SDRAM_START_ADR + (address)) = (value))

#define TM_SDRAM_Read8(address)             (*(__IO uint8_t *) (SDRAM_START_ADR + (address)))

#define TM_SDRAM_Write16(address, value)    (*(__IO uint16_t *) (SDRAM_START_ADR + (address)) = (value))

#define TM_SDRAM_Read16(address)            (*(__IO uint16_t *) (SDRAM_START_ADR + (address)))

#define TM_SDRAM_Write32(address, value)    (*(__IO uint32_t *) (SDRAM_START_ADR + (address)) = (value))

#define TM_SDRAM_Read32(address)            (*(__IO uint32_t *) (SDRAM_START_ADR + (address)))

#define TM_SDRAM_WriteFloat(address, value) (*(__IO float *) (SDRAM_START_ADR + (address)) = (value))

#define TM_SDRAM_ReadFloat(address)         (*(__IO float *) (SDRAM_START_ADR + (address)))

uint8_t TM_SDRAM_InitCustomPinsCallback(void);

#endif