Rebase: 0d1c6c2

This commit completely rewrote flash_api.c in a few places so kicked out changes from Master and accepted the branch changes.

F429 + F439 : changes after code review
GetSector has been rewritten

Author: adustm

targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/device/flash_api.c

@@ -36,54 +36,60 @@
 
 #if DEVICE_FLASH
 
-// This is a flash algo binary blob. It is PIC (position independent code) that should be stored in RAM
-static uint32_t FLASH_ALGO[] = {
-    0xf3c04601, 0x28203007, 0x2204bf24, 0x1050eb02, 0x2810d205, 0x2203bf26, 0x1010eb02, 0xf4110880,
-    0xbf181f80, 0x0010f040, 0x48714770, 0x6001496f, 0x60014970, 0x68014870, 0x01f0f041, 0x486f6001,
-    0xf0106800, 0xd1080f20, 0xf245486d, 0x60015155, 0x60412106, 0x71fff640, 0x20006081, 0x49694770,
-    0xf4206808, 0x600a52f8, 0x48676008, 0xf0416801, 0x60014100, 0x47702000, 0xc18cf8df, 0x0000f8dc,
-    0x0004f040, 0x0000f8cc, 0x0000f8dc, 0x4000f440, 0x0000f8cc, 0x0000f8dc, 0x3080f440, 0x0000f8cc,
-    0x0004f1ac, 0xf4116801, 0xbf1c3f80, 0x21aaf64a, 0xd0044a53, 0x68036011, 0x3f80f413, 0xf8dcd1fa,
-    0xf0200000, 0xf8cc0004, 0xf8dc0000, 0xf4200000, 0xf8cc4000, 0x20000000, 0xf3c04770, 0x29203107,
-    0x2204bf24, 0x1151eb02, 0x2910d205, 0x2203bf26, 0x1111eb02, 0xf4100889, 0xbf181f80, 0x0110f041,
-    0x6802483d, 0x02f0f042, 0xf1006002, 0x22020c04, 0x2000f8cc, 0x2000f8dc, 0xea0323f8, 0x431101c1,
-    0x1000f8cc, 0x1000f8dc, 0x3180f441, 0x1000f8cc, 0xf4116801, 0xbf1c3f80, 0x21aaf64a, 0xd0044a30,
-    0x68036011, 0x3f80f413, 0xf8dcd1fa, 0xf0211000, 0xf8cc0102, 0x68011000, 0x0ff0f011, 0x2000bf04,
-    0x68014770, 0x01f0f041, 0x20016001, 0x4b224770, 0x1cc9b430, 0xc000f8d3, 0x0103f031, 0x0cf0f04c,
-    0xc000f8c3, 0x0404f103, 0x0c00f04f, 0xc000f8c4, 0xf240bf18, 0xd0252501, 0xc000f8d4, 0x0c05ea4c,
-    0xc000f8c4, 0xc000f8d2, 0xc000f8c0, 0xc000f8d3, 0x3f80f41c, 0xf8d4d1fa, 0xf02cc000, 0xf8c40c01,
-    0xf8d3c000, 0xf01cc000, 0xd0060ff0, 0xf0406818, 0x601800f0, 0x2001bc30, 0x1d004770, 0xf1021f09,
-    0xd1d90204, 0x2000bc30, 0x00004770, 0x45670123, 0x40023c04, 0xcdef89ab, 0x40023c0c, 0x40023c14,
-    0x40003000, 0x40023c00, 0x40023c10, 0x00000000
-};
+#if defined (STM32F429xx) || defined (STM32F439xx)
+#define FLASH_SIZE      (uint32_t) 0x200000
+#endif
 
-static const flash_algo_t flash_algo_config = {
-    .init = 0x2b,
-    .uninit = 0x5f,
-    .erase_sector = 0xdb,
-    .program_page = 0x16f,
-    .static_base = 0x20c,
-    .algo_blob = FLASH_ALGO
-};
+static uint32_t GetSector(uint32_t Address);
+static uint32_t GetSectorSize(uint32_t Sector);
 
-static const sector_info_t sectors_info[] = {
-    {0x8000000, 0x4000},
-    {0x8010000, 0x10000},
-    {0x8020000, 0x20000},
-    {0x8100000, 0x4000},
-    {0x8110000, 0x10000},
-    {0x8120000, 0x20000},
-};
+int32_t flash_init(flash_t *obj)
+{
+    /* Allow Access to Flash control registers and user Falsh */
+    if (HAL_FLASH_Unlock()) {
+        return -1;
+    } else {
+        return 0;
+    }
+}
+int32_t flash_free(flash_t *obj)
+{
+    /* Disable the Flash option control register access (recommended to protect 
+    the option Bytes against possible unwanted operations) */
+    if (HAL_FLASH_Lock()) {
+        return -1;
+    } else {
+        return 0;
+    }
+}
+int32_t flash_erase_sector(flash_t *obj, uint32_t address)
+{
+    /*Variable used for Erase procedure*/
+    static FLASH_EraseInitTypeDef EraseInitStruct;
+    uint32_t FirstSector;
+    uint32_t SectorError = 0;
+ 
+    if ((address >= (FLASH_BASE + FLASH_SIZE)) || (address < FLASH_BASE)) {
+
+        return -1;
+    }
+   
+    /* Get the 1st sector to erase */
+    FirstSector = GetSector(address);
 
-static const flash_target_config_t flash_target_config = {
-    .page_size  = 0x400,
-    .flash_start = 0x8000000,
-    .flash_size = 0x200000,
-    .sectors = sectors_info,
-    .sector_info_count = sizeof(sectors_info) / sizeof(sector_info_t)
-};
+    /* Fill EraseInit structure*/
+    EraseInitStruct.TypeErase = FLASH_TYPEERASE_SECTORS;
+    EraseInitStruct.VoltageRange = FLASH_VOLTAGE_RANGE_3;
+    EraseInitStruct.Sector = FirstSector;
+    EraseInitStruct.NbSectors = 1;
+    if(HAL_FLASHEx_Erase(&EraseInitStruct, &SectorError) != HAL_OK){
+        return -1;
+    } else {
+        return 0;
+    }
+}
 
-void flash_set_target_config(flash_t *obj)
+int32_t flash_program_page(flash_t *obj, uint32_t address, const uint8_t *data, uint32_t size)
 {
 
     if ((address >= (FLASH_BASE + FLASH_SIZE)) || (address < FLASH_BASE)) {