ra8-firmware/ra8__sdramc_8h_source.html

#pragma once


#ifdef __cplusplus

extern "C" {

#endif


#include <stdint.h>


#include "ra8_err.h"


[[nodiscard]] ra8_err_t ra8_sdramc_init(void);


[[nodiscard]] ra8_err_t ra8_sdramc_deinit(void);


[[nodiscard]] ra8_err_t ra8_sdramc_set_refresh_interval(uint16_t sdrfcr);


[[nodiscard]] ra8_err_t ra8_sdramc_get_status(uint8_t* out_enabled);


[[nodiscard]] ra8_err_t ra8_sdramc_enter_stop(void);


[[nodiscard]] ra8_err_t ra8_sdramc_exit_stop(void);


[[nodiscard]] ra8_err_t ra8_sdramc_enter_self_refresh(void);


[[nodiscard]] ra8_err_t ra8_sdramc_exit_self_refresh(void);


#ifdef __cplusplus

}

#endif

ra8_err.h
Error Code Definitions for ra8-firmware.

ra8_err_t
ra8_err_codes_t ra8_err_t
Canonical error-return type used by every ra8-firmware API.
Definition ra8_err.h:546

ra8_sdramc_enter_stop
ra8_err_t ra8_sdramc_enter_stop(void)
Disable auto-refresh for deep-sleep entry.
Definition ra8_sdramc.c:346

ra8_sdramc_exit_stop
ra8_err_t ra8_sdramc_exit_stop(void)
Re-enable auto-refresh after wake-up.
Definition ra8_sdramc.c:353

ra8_sdramc_init
ra8_err_t ra8_sdramc_init(void)
Initialise the external SDRAM at k_ra8_sdram_base_addr.
Definition ra8_sdramc.c:257

ra8_sdramc_exit_self_refresh
ra8_err_t ra8_sdramc_exit_self_refresh(void)
Exit SDRAM self-refresh and resume normal auto-refresh operation.
Definition ra8_sdramc.c:400

ra8_sdramc_enter_self_refresh
ra8_err_t ra8_sdramc_enter_self_refresh(void)
Put the external SDRAM into JEDEC self-refresh mode.
Definition ra8_sdramc.c:360

ra8_sdramc_get_status
ra8_err_t ra8_sdramc_get_status(uint8_t *out_enabled)
Read the refresh-enable bit as a status mask.
Definition ra8_sdramc.c:338

ra8_sdramc_set_refresh_interval
ra8_err_t ra8_sdramc_set_refresh_interval(uint16_t sdrfcr)
Change the SDRAM auto-refresh interval at runtime.
Definition ra8_sdramc.c:331

ra8_sdramc_deinit
ra8_err_t ra8_sdramc_deinit(void)
Tear down the SDRAM controller (disable refresh, clear SDICR).
Definition ra8_sdramc.c:321