Switching between chip erase/sector erase by .act files and DAP Vendor Command.

Author: MarianSavchuk

docs/MSD_COMMANDS.md

@@ -50,6 +50,10 @@ own right.
 
 ``msd_on.act`` Mass storage device can be enabled back by this file command on bootloader mode only if there is a target flash algo.
 
+``page_off.act`` This file temporary enables page programming and chip erasing until the next restart occurred for drag and drop.
+
+``page_on.act`` This file temporary enables page programming and sector erasing until the next restart occurred for drag and drop.
+
 ### Configuration Commands
 
 ``auto_rst.cfg`` This file will turn on Auto Reset mode. In this mode, 

source/daplink/cmsis-dap/DAP_vendor.c

@@ -1,5 +1,7 @@
 /*
  * Copyright (c) 2013-2016 ARM Limited. All rights reserved.
+ * Copyright 2019, Cypress Semiconductor Corporation 
+ * or a subsidiary of Cypress Semiconductor Corporation.
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -33,6 +35,7 @@
 #include "uart.h"
 #include "settings.h"
 #include "target_family.h"
+#include "flash_manager.h"
 #include <string.h>
 
 
@@ -158,7 +161,25 @@ uint32_t DAP_ProcessVendorCommand(const uint8_t *request, uint8_t *response) {
         break;
     }
 #endif
-    case ID_DAP_Vendor13: break;
+    case ID_DAP_Vendor13: {
+        // switching between chip erase and page erase
+        //              COMMAND(OUT Packet)
+        //              BYTE 0 1000 1110 0x8D
+        //              BYTE 1 Desired Mode:
+        //                                              0x00 - Chip Erase
+        //                                              nonzero - Page Erase
+        //              RESPONSE(IN Packet)
+        //              BYTE 0 
+        //                                              0x00 - OK
+        *response = DAP_OK;
+        if (0x00U == *request) {
+            flash_manager_set_page_erase(false);
+        } else {
+            flash_manager_set_page_erase(true);
+        }
+        num += (1U << 16) | 1U; // increment request and response count each by 1
+        break;
+    }
     case ID_DAP_Vendor14: break;
     case ID_DAP_Vendor15: break;
     case ID_DAP_Vendor16: break;

source/daplink/drag-n-drop/flash_manager.c

@@ -4,6 +4,8 @@
  *
  * DAPLink Interface Firmware
  * Copyright (c) 2009-2019, ARM Limited, All Rights Reserved
+ * Copyright 2019, Cypress Semiconductor Corporation 
+ * or a subsidiary of Cypress Semiconductor Corporation.
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -22,6 +24,7 @@
 #include "flash_manager.h"
 #include "util.h"
 #include "error.h"
+#include "settings.h"
 
 // Set to 1 to enable debugging
 #define DEBUG_FLASH_MANAGER     0
@@ -236,6 +239,7 @@ error_t flash_manager_uninit(void)
 
 void flash_manager_set_page_erase(bool enabled)
 {
+    config_ram_set_page_erase(enabled);
     page_erase_enabled = enabled;
 }
 

source/daplink/drag-n-drop/vfs_user.c

@@ -4,6 +4,8 @@
  *
  * DAPLink Interface Firmware
  * Copyright (c) 2009-2020, ARM Limited, All Rights Reserved
+ * Copyright 2019, Cypress Semiconductor Corporation 
+ * or a subsidiary of Cypress Semiconductor Corporation.
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -35,6 +37,7 @@
 #include "flash_intf.h"     // for flash_intf_target
 #include "cortex_m.h"
 #include "target_board.h"
+#include "flash_manager.h"
 
 //! @brief Size in bytes of the virtual disk.
 //!
@@ -63,6 +66,8 @@ typedef enum _magic_file {
     kOverflowOffConfigFile,     //!< Disable UART overflow reporting.
     kMSDOnConfigFile,           //!< Enable USB MSC. Uh....
     kMSDOffConfigFile,          //!< Disable USB MSC.
+    kPageEraseActionFile,       //!< Enable page programming and sector erase for drag and drop.
+    kChipEraseActionFile,       //!< Enable page programming and chip erase for drag and drop.
 } magic_file_t;
 
 //! @brief Mapping from filename string to magic file enum.
@@ -105,6 +110,8 @@ static const magic_file_info_t s_magic_file_info[] = {
         { "OVFL_OFFCFG", kOverflowOffConfigFile     },
         { "MSD_ON  CFG", kMSDOnConfigFile           },
         { "MSD_OFF CFG", kMSDOffConfigFile          },
+        { "PAGE_ON ACT", kPageEraseActionFile       },
+        { "PAGE_OFFACT", kChipEraseActionFile       },
     };
 
 static uint8_t file_buffer[VFS_SECTOR_SIZE];
@@ -261,6 +268,12 @@ void vfs_user_file_change_handler(const vfs_filename_t filename, vfs_file_change
                     case kMSDOffConfigFile:
                         config_ram_set_disable_msd(true);
                         break;
+                    case kPageEraseActionFile:
+                        config_ram_set_page_erase(true);
+                        break;
+                    case kChipEraseActionFile:
+                        config_ram_set_page_erase(false);
+                        break;
                     default:
                         util_assert(false);
                 }
@@ -479,6 +492,9 @@ static uint32_t update_details_txt_file(uint8_t *data, uint32_t datasize)
     pos += util_write_string(buf + pos, "Overflow detection: ");
     pos += util_write_string(buf + pos, config_get_overflow_detect() ? "1" : "0");
     pos += util_write_string(buf + pos, "\r\n");
+    pos += util_write_string(buf + pos, "Page erasing: ");
+    pos += util_write_string(buf + pos, config_ram_get_page_erase() ? "1" : "0");
+    pos += util_write_string(buf + pos, "\r\n");
     // Current mode
     mode_str = daplink_is_bootloader() ? "Bootloader" : "Interface";
     pos += util_write_string(buf + pos, "Daplink Mode: ");

source/daplink/settings/settings.c

@@ -4,6 +4,8 @@
  *
  * DAPLink Interface Firmware
  * Copyright (c) 2009-2016, ARM Limited, All Rights Reserved
+ * Copyright 2019, Cypress Semiconductor Corporation 
+ * or a subsidiary of Cypress Semiconductor Corporation.
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -57,7 +59,7 @@ typedef struct __attribute__((__packed__)) cfg_ram {
     uint8_t disable_msd;
 
     //Add new entries from here
-
+    uint8_t page_erase_enable;
 } cfg_ram_t;
 
 // Configuration RAM
@@ -93,6 +95,7 @@ void config_init()
     config_ram.valid_dumps = config_ram_copy.valid_dumps;
     memcpy(config_ram.hexdump, config_ram_copy.hexdump, sizeof(config_ram_copy.hexdump[0]) * config_ram_copy.valid_dumps);
     config_ram.disable_msd = config_ram_copy.disable_msd;
+    config_ram.page_erase_enable = config_ram_copy.page_erase_enable;
     config_rom_init();
 }
 
@@ -230,3 +233,12 @@ uint8_t config_ram_get_disable_msd(void)
     return config_ram.disable_msd;
 }
 
+void config_ram_set_page_erase(bool page_erase_enable)
+{
+    config_ram.page_erase_enable = page_erase_enable;
+}
+
+bool config_ram_get_page_erase(void)
+{
+    return config_ram.page_erase_enable;
+}

source/daplink/settings/settings.h

@@ -4,6 +4,8 @@
  *
  * DAPLink Interface Firmware
  * Copyright (c) 2009-2016, ARM Limited, All Rights Reserved
+ * Copyright 2019, Cypress Semiconductor Corporation 
+ * or a subsidiary of Cypress Semiconductor Corporation.
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -55,6 +57,8 @@ uint8_t config_ram_add_hexdump(uint32_t hexdump);
 uint8_t config_ram_get_hexdumps(uint32_t **hexdumps);
 void config_ram_set_disable_msd(bool disable_msd);
 uint8_t config_ram_get_disable_msd(void);
+void config_ram_set_page_erase(bool page_erase_enable);
+bool config_ram_get_page_erase(void);
 
 // Private - should only be called from settings.c
 void config_rom_init(void);