components/sfd/luat_sfd_onchip.c

   1
   2 #include "luat_base.h"
   3
   4 #include "luat_sfd.h"
   5 #include "luat_mem.h"
   6
   7 const sdf_opts_t sfd_onchip_opts = {
   8     .initialize = sfd_onchip_init,
   9     .status = sfd_onchip_status,
  10     .read = sfd_onchip_read,
  11     .write = sfd_onchip_write,
  12     .erase = sfd_onchip_erase,
  13     .ioctl = sfd_onchip_ioctl,
  14 };
  15
  16 sfd_drv_t* sfd_onchip;
  17
  18 int luat_sfd_onchip_init(void) {
  19     if (sfd_onchip != NULL) {
  20         return 0;
  21     }
  22     sfd_onchip = luat_heap_malloc(sizeof(sfd_drv_t));
  23     if (sfd_onchip == NULL) {
  24         return -1;
  25     }
  26     sfd_onchip_t * onchip = luat_heap_malloc(sizeof(sfd_onchip_t));
  27     if (onchip == NULL) {
  28         luat_heap_free(sfd_onchip);
  29         sfd_onchip = NULL;
  30         return -2;
  31     }
  32     memset(sfd_onchip, 0, sizeof(sfd_drv_t));
  33     sfd_onchip->opts = &sfd_onchip_opts;
  34     sfd_onchip->type = 2;
  35     sfd_onchip->userdata = onchip;
  36     int ret = sfd_onchip_init(onchip);
  37     if (ret != 0) {
  38         luat_heap_free(onchip);
  39         luat_heap_free(sfd_onchip);
  40         sfd_onchip = NULL;
  41         return -3;
  42     }
  43     return ret;
  44 }