From 5bb0f2aaf54450286822a4c7394c8fb78bab9b92 Mon Sep 17 00:00:00 2001
From: Liu_Weichao <iacu2016@163.com>
Date: Mon, 28 Aug 2023 16:15:32 +0800
Subject: [PATCH] add plc data store function for control framework

---
 .../Framework/control/shared/control_io.c     | 30 +++++++++++++++++++
 .../Framework/control/shared/control_io.h     |  6 ++++
 Ubiquitous/XiZi_IIoT/fs/fatfs/fatfs.c         | 12 ++++++++
 Ubiquitous/XiZi_IIoT/fs/fatfs/ffconf.h        |  2 +-
 4 files changed, 49 insertions(+), 1 deletion(-)

diff --git a/APP_Framework/Framework/control/shared/control_io.c b/APP_Framework/Framework/control/shared/control_io.c
index 5d9e00060..adeac87e3 100644
--- a/APP_Framework/Framework/control/shared/control_io.c
+++ b/APP_Framework/Framework/control/shared/control_io.c
@@ -190,3 +190,33 @@ int SerialRead(uint8_t *read_data, int length)
     return data_size;
 #endif
 }
+
+int ControlFileDataStore(uint8 *data, int data_length)
+{
+    int data_file_fd = -1;
+    struct stat data_file_status;
+    int i = 0;
+
+    //Step1 : open data file from SD card or other store device
+    data_file_fd = PrivOpen(FILE_NAME, O_RDONLY);
+    if (data_file_fd < 0) {
+        printf("Open data file %s failed\n", FILE_NAME);
+        PrivClose(data_file_fd);
+        return -1;
+    }
+
+    if (0 != fstat(data_file_fd, &data_file_status)) {
+        printf("Get data file information failed!\n");
+        PrivClose(data_file_fd);
+        return -1;
+    }
+
+	lseek(data_file_fd, data_file_status.st_size, SEEK_SET);
+
+    //Step2 : write data to file in SD card or other store device
+	FatfsPrintf(GetFileDescriptor(data_file_fd), data, data_length);
+
+    //Step3 : close data file from SD card or other store device
+    PrivClose(data_file_fd);  
+    return 0;
+}
diff --git a/APP_Framework/Framework/control/shared/control_io.h b/APP_Framework/Framework/control/shared/control_io.h
index 9446916a6..efbd11988 100644
--- a/APP_Framework/Framework/control/shared/control_io.h
+++ b/APP_Framework/Framework/control/shared/control_io.h
@@ -48,6 +48,9 @@ extern "C" {
 #endif
 #endif
 
+#define FILE_NAME "plc_data.csv"
+extern void FatfsPrintf(struct FileDescriptor *fdp, const void *src, size_t len);
+
 /*Control Framework Socket Init*/
 void SocketInit(char *ip, char *mask, char *gw);
 
@@ -60,6 +63,9 @@ void SerialWrite(uint8_t *write_data, int length);
 /*Control Framework Serial Read*/
 int SerialRead(uint8_t *read_data, int length);
 
+/*Control Framework Store data in SD Card*/
+int ControlFileDataStore(uint8 *data, int data_length);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/Ubiquitous/XiZi_IIoT/fs/fatfs/fatfs.c b/Ubiquitous/XiZi_IIoT/fs/fatfs/fatfs.c
index 2314af45f..3c75b7443 100644
--- a/Ubiquitous/XiZi_IIoT/fs/fatfs/fatfs.c
+++ b/Ubiquitous/XiZi_IIoT/fs/fatfs/fatfs.c
@@ -493,3 +493,15 @@ DWORD GetFatTime(void)
 
     return fat_time;
 }
+
+void FatfsPrintf(struct FileDescriptor *fdp, const void *src, size_t len)
+{
+    int i = 0;
+    for (i = 0; i < len; i ++) {
+        f_printf(fdp->data, "%d,", ((uint8 *)src)[i]);
+    }
+    if (i == len) {
+        f_printf(fdp->data, "\r\n");
+    }
+}
+
diff --git a/Ubiquitous/XiZi_IIoT/fs/fatfs/ffconf.h b/Ubiquitous/XiZi_IIoT/fs/fatfs/ffconf.h
index 1462ec3c7..83a3ce20b 100644
--- a/Ubiquitous/XiZi_IIoT/fs/fatfs/ffconf.h
+++ b/Ubiquitous/XiZi_IIoT/fs/fatfs/ffconf.h
@@ -33,7 +33,7 @@
 /   3: f_lseek() function is removed in addition to 2. */
 
 
-#define FF_USE_STRFUNC	0
+#define FF_USE_STRFUNC	1
 /* This option switches string functions, f_gets(), f_putc(), f_puts() and f_printf().
 /
 /  0: Disable string functions.