hal_fmc.h

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/* ----------------------------------------------------------------------------
 * --  _____       ______  _____                                              -
 * -- |_   _|     |  ____|/ ____|                                             -
 * --   | |  _ __ | |__  | (___    Institute of Embedded Systems              -
 * --   | | | '_ \|  __|  \___ \   Zurich University of                       -
 * --  _| |_| | | | |____ ____) |  Applied Sciences                           -
 * -- |_____|_| |_|______|_____/   8401 Winterthur, Switzerland               -
 * ------------------------------------------------------------------------- */
/* Re-definition guard */
#ifndef _HAL_FMC_H
#define _HAL_FMC_H


/* User includes */
#include "hal_common.h"


/* -- Type definitions
 * ------------------------------------------------------------------------- */

typedef enum {
    HAL_FMC_SRAM_BANK1 = 0u,    
    HAL_FMC_SRAM_BANK2 = 1u,    
    HAL_FMC_SRAM_BANK3 = 2u,    
    HAL_FMC_SRAM_BANK4 = 3u     
} hal_fmc_bank_t;


typedef enum {
    HAL_FMC_TYPE_SRAM = 0u,     
    HAL_FMC_TYPE_PSRAM = 1u     
} hal_fmc_memory_type_t;


typedef enum {
    HAL_FMC_WIDTH_8B = 0u,      
    HAL_FMC_WIDTH_16B = 1u,     
    HAL_FMC_WIDTH_32B = 2u      
} hal_fmc_memory_width_t;


typedef enum {
    HAL_FMC_ACCESS_MODE_A = 0u,     
    HAL_FMC_ACCESS_MODE_B = 1u,     
    HAL_FMC_ACCESS_MODE_C = 2u,     
    HAL_FMC_ACCESS_MODE_D = 3u,     
} hal_fmc_access_mode_t;


typedef struct {
    hal_bool_t address_mux;         
    hal_fmc_memory_type_t type;     
    hal_fmc_memory_width_t width;   
    hal_bool_t read_burst;          
    hal_bool_t write_enable;        
    hal_bool_t write_burst;         
    hal_bool_t continous_clock;     
} hal_fmc_sram_init_t;


typedef struct {
    uint8_t bus_turnaround;         
    /* Only for async. SRAM */
    uint8_t address_setup;          
    uint8_t address_hold;           
    uint8_t data_setup;             
    /* Only for sync. PSRAM */
    uint8_t clk_divider;            
    uint8_t data_latency;           
    hal_fmc_access_mode_t mode;     
} hal_fmc_sram_timing_t;


/* -- Public function declarations
 * ------------------------------------------------------------------------- */

void hal_fmc_reset(hal_fmc_bank_t bank)
__attribute__((deprecated("Please use FMC_RESET().")));

void hal_fmc_init_sram(hal_fmc_bank_t bank, 
                       hal_fmc_sram_init_t init, 
                       hal_fmc_sram_timing_t timing);


#endif