From c48b4d80cc3f0f9607a8191e63121f2373551555 Mon Sep 17 00:00:00 2001
From: matt <matt@matthewgong.com>
Date: Sat, 31 Oct 2020 11:35:38 +0800
Subject: [PATCH] rec to sd card

---
 fmc41/hal_uart_out_wrapper.c | 53 ++++++++----------------------------
 1 file changed, 12 insertions(+), 41 deletions(-)

diff --git a/fmc41/hal_uart_out_wrapper.c b/fmc41/hal_uart_out_wrapper.c
index a8c87b5..c040285 100644
--- a/fmc41/hal_uart_out_wrapper.c
+++ b/fmc41/hal_uart_out_wrapper.c
@@ -13,7 +13,6 @@
 #ifdef HAL_IMPL
 #include "uart_fifos.h"
 #include "param_pre.h"
-#include "fatfs.h"
 #endif
 /* %%%-SFUNWIZ_wrapper_includes_Changes_END --- EDIT HERE TO _BEGIN */
 #define y_width 1
@@ -23,53 +22,25 @@
  *
  */
 /* %%%-SFUNWIZ_wrapper_externs_Changes_BEGIN --- EDIT HERE TO _END */
-int is_fat_rec_init = 0;
-FIL *rec_pf;
+#define REC_ZONE_LEN (2000)
+extern uint8_t rec_zone[2][REC_ZONE_LEN];
+extern int rec_sel;
+extern int rec_head[2];
 
 static int FAT_REC_write(uint8_t *buff, const uint16_t len) 
 {
-    int rslt;
-	FRESULT res;
-    if (is_fat_rec_init == 1)
+    if (rec_head[rec_sel] < REC_ZONE_LEN)
     {
-		UINT bw;
-		res = f_write(rec_pf, buff, len, &bw);
-        f_sync(rec_pf);
-		if (res != FR_OK)
-		{
-            rslt = -1;
-		}
-        else
+        for (int i=0u;i<len;++i)
         {
-            rslt = 0;
+            rec_zone[rec_sel][rec_head[rec_sel]++] = buff[i];
+            if (rec_head[rec_sel] >= REC_ZONE_LEN)
+            {
+                break;
+            }
         }
     }
-    else if (is_fat_rec_init == 0 && ap_U.sens.gps_fixtype >= ENUM_GPS_FIXTYPE_FIX_2D)
-    {
-		res = f_mount(&SDFatFS, SDPath, 1);
-		if (res != FR_OK)
-		{
-			is_fat_rec_init = -1;
-            rslt = -1;
-		}
-		rec_pf = &SDFile;
-		long path_len;
-		char path[80];
-		strncpy(path, SDPath, 3);
-        sprintf(&path[3], "R%d.dat", (ap_U.sens.TOW / 1000));
-		res = f_open(rec_pf, path, FA_OPEN_ALWAYS | FA_WRITE);
-		if (res == FR_OK)
-		{
-			is_fat_rec_init = 1;
-            rslt = 0;
-		}
-        else
-        {
-			is_fat_rec_init = -1;
-            rslt = -1;
-        }
-    }
-    return rslt;
+    return 0;
 }
 
 /* %%%-SFUNWIZ_wrapper_externs_Changes_END --- EDIT HERE TO _BEGIN */