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/* util.c */
#include <mqx.h>
#include <bsp.h>
#include <fio.h>
#include <mfs.h>
#include <sdcard.h>
#include <spi.h>
#include <part_mgr.h>
#include "util.h"
#if !BSPCFG_ENABLE_IO_SUBSYSTEM
#error This application requires BSPCFG_ENABLE_IO_SUBSYSTEM defined \
non-zero in user_config.h. Please recompile BSP with this option.
#endif
#ifndef BSP_DEFAULT_IO_CHANNEL_DEFINED
#error This application requires BSP_DEFAULT_IO_CHANNEL to be not \
NULL. Please set corresponding BSPCFG_ENABLE_TTYx to non-zero \
in user_config.h and recompile BSP with this option.
#endif
#if defined BSP_SDCARD_ESDHC_CHANNEL
#if ! BSPCFG_ENABLE_ESDHC
#error This application requires BSPCFG_ENABLE_ESDHC defined \
non-zero in user_config.h. Please recompile libraries with \
this option.
#endif
#elif defined BSP_SDCARD_SDHC_CHANNEL
#if ! BSPCFG_ENABLE_SDHC
#error This application requires BSPCFG_ENABLE_SDHC defined \
non-zero in user_config.h. Please recompile libraries with \
this option.
#endif
#endif
#if defined (BSP_SDCARD_SPI_CHANNEL)
#define SDCARD_COM_CHANNEL BSP_SDCARD_SPI_CHANNEL
#elif defined (BSP_SDCARD_ESDHC_CHANNEL)
#define SDCARD_COM_CHANNEL BSP_SDCARD_ESDHC_CHANNEL
#elif defined (BSP_SDCARD_SDHC_CHANNEL)
#define SDCARD_COM_CHANNEL BSP_SDCARD_SDHC_CHANNEL
#else
#error "SDCARD low level communication device not defined!"
#endif
int sdcard_open(MQX_FILE_PTR *com_handle, MQX_FILE_PTR *sdcard_handle,
MQX_FILE_PTR *partman_handle, MQX_FILE_PTR *filesystem_handle,
char *partman_name, char *filesystem_name)
{
_mqx_int error_code;
_mqx_uint param;
/* Open low level communication device */
*com_handle = fopen(SDCARD_COM_CHANNEL, NULL);
if (NULL == *com_handle) {
printf("Error installing communication handle.\n");
return -60;
}
/* Install SD card device */
error_code = _io_sdcard_install("sdcard:", (void *)&_bsp_sdcard0_init,
*com_handle);
if (error_code != MQX_OK) {
printf("Error installing SD card device (0x%x)\n", error_code);
return -61;
}
_time_delay(200);
/* Open the device which MFS will be installed on */
*sdcard_handle = fopen("sdcard:", 0);
if (*sdcard_handle == NULL) {
printf("Unable to open SD card device.\n");
return -62;
}
/* Install partition manager over SD card driver */
error_code = _io_part_mgr_install(*sdcard_handle, partman_name, 0);
if (error_code != MFS_NO_ERROR) {
printf("Error installing partition manager: %s\n", MFS_Error_text(
(uint32_t) error_code));
return -63;
}
/* Open partition manager */
*partman_handle = fopen(partman_name, NULL);
if (*partman_handle == NULL) {
error_code = ferror(*partman_handle);
printf("Error opening partition manager: %s\n", MFS_Error_text(
(uint32_t) error_code));
return -64;
}
/* Validate partition 1 */
param = 1;
error_code = _io_ioctl(*partman_handle, IO_IOCTL_VAL_PART, ¶m);
if (error_code == MQX_OK) {
/* Install MFS over partition 1 */
error_code = _io_mfs_install(*partman_handle, filesystem_name, param);
if (error_code != MFS_NO_ERROR) {
printf("Error initializing MFS over partition: %s\n",
MFS_Error_text((uint32_t) error_code));
return -65;
}
} else {
/* Install MFS over SD card driver */
error_code = _io_mfs_install(*sdcard_handle, filesystem_name,
(_file_size) 0);
if (error_code != MFS_NO_ERROR) {
printf("Error initializing MFS: %s\n", MFS_Error_text(
(uint32_t) error_code));
return -66;
}
} /* end Validate partition 1 */
/* Open file system */
*filesystem_handle = fopen(filesystem_name, NULL);
error_code = ferror(*filesystem_handle);
if ((error_code != MFS_NO_ERROR) && (error_code != MFS_NOT_A_DOS_DISK)) {
printf("Error opening filesystem: %s\n", MFS_Error_text(
(uint32_t) error_code));
return -67;
}
if (error_code == MFS_NOT_A_DOS_DISK) {
printf("NOT A DOS DISK! You must format to continue.\n");
return -68;
}
return 0;
}
int sdcard_close(MQX_FILE_PTR *sdcard_handle, MQX_FILE_PTR *partman_handle,
MQX_FILE_PTR *filesystem_handle,
char *partman_name, char *filesystem_name)
{
_mqx_int error_code;
/* Close the filesystem */
if (MQX_OK != fclose(*filesystem_handle)) {
printf("Error closing filesystem.\n");
return -69;
}
*filesystem_handle = NULL;
/* Uninstall MFS */
error_code = _io_dev_uninstall(filesystem_name);
if (error_code != MFS_NO_ERROR) {
printf("Error uninstalling filesystem.\n");
return -70;
}
/* Close partition manager */
if (MQX_OK != fclose(*partman_handle)) {
printf("Unable to close partition manager.\n");
return -71;
}
*partman_handle = NULL;
/* Uninstall partition manager */
error_code = _io_dev_uninstall(partman_name);
if (error_code != MFS_NO_ERROR) {
printf("Error uninstalling partition manager.\n");
return -72;
}
/* Close the SD card device */
if (MQX_OK != fclose(*sdcard_handle)) {
printf("Unable to close SD card device.\n");
return -73;
}
*sdcard_handle = NULL;
return 0;
}
/* EOF */
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