John Mitchell / DMSupport

Subdirectory provided by Embedded Artists

Dependencies:   DM_FATFileSystem DM_HttpServer DM_USBHost EthernetInterface USBDevice mbed-rpc mbed-rtos mbed-src

Dependents:   lpc4088_displaymodule_hello_world_Sept_2018

Fork of DMSupport by Embedded Artists

Bios/BiosLoader.h@22:1a58a518435c, 2015-01-16 (annotated)

Committer:
embeddedartists
Date:
Fri Jan 16 11:13:39 2015 +0100
Revision:
22:1a58a518435c
Child:
28:8ae20cb0b943
- Updated SPIFI code to allow BIOS to id chips not yet supported by DMSupport

- Updated QSPIFileSystem to be chip independant. Erase block info from SPIFI.cpp

- Split BiosDisplayAndTouch into BiosDisplay and BiosTouch

- Added BiosLoader with common functionallity

- Removed BIOS code from DMBoard

- Added first version of a touch listener

Who changed what in which revision?

UserRevisionLine numberNew contents of line
embeddedartists 22:1a58a518435c 1 /*
embeddedartists 22:1a58a518435c 2 * Copyright 2014 Embedded Artists AB
embeddedartists 22:1a58a518435c 3 *
embeddedartists 22:1a58a518435c 4 * Licensed under the Apache License, Version 2.0 (the "License");
embeddedartists 22:1a58a518435c 5 * you may not use this file except in compliance with the License.
embeddedartists 22:1a58a518435c 6 * You may obtain a copy of the License at
embeddedartists 22:1a58a518435c 7 *
embeddedartists 22:1a58a518435c 8 * http://www.apache.org/licenses/LICENSE-2.0
embeddedartists 22:1a58a518435c 9 *
embeddedartists 22:1a58a518435c 10 * Unless required by applicable law or agreed to in writing, software
embeddedartists 22:1a58a518435c 11 * distributed under the License is distributed on an "AS IS" BASIS,
embeddedartists 22:1a58a518435c 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
embeddedartists 22:1a58a518435c 13 * See the License for the specific language governing permissions and
embeddedartists 22:1a58a518435c 14 * limitations under the License.
embeddedartists 22:1a58a518435c 15 */
embeddedartists 22:1a58a518435c 16
embeddedartists 22:1a58a518435c 17 #ifndef BIOSLOADER_H
embeddedartists 22:1a58a518435c 18 #define BIOSLOADER_H
embeddedartists 22:1a58a518435c 19
embeddedartists 22:1a58a518435c 20 #include "mbed.h"
embeddedartists 22:1a58a518435c 21 #include "DMBoard.h"
embeddedartists 22:1a58a518435c 22 #include "BiosDisplay.h"
embeddedartists 22:1a58a518435c 23 #include "BiosTouch.h"
embeddedartists 22:1a58a518435c 24 #include "bios.h"
embeddedartists 22:1a58a518435c 25
embeddedartists 22:1a58a518435c 26 /**
embeddedartists 22:1a58a518435c 27 * Unpacks and prepares the BIOS code.
embeddedartists 22:1a58a518435c 28 */
embeddedartists 22:1a58a518435c 29 class BiosLoader {
embeddedartists 22:1a58a518435c 30 public:
embeddedartists 22:1a58a518435c 31
embeddedartists 22:1a58a518435c 32 /** Get the only instance of the BiosLoader
embeddedartists 22:1a58a518435c 33 *
embeddedartists 22:1a58a518435c 34 * @returns The BIOS
embeddedartists 22:1a58a518435c 35 */
embeddedartists 22:1a58a518435c 36 static BiosLoader& instance()
embeddedartists 22:1a58a518435c 37 {
embeddedartists 22:1a58a518435c 38 static BiosLoader singleton;
embeddedartists 22:1a58a518435c 39 return singleton;
embeddedartists 22:1a58a518435c 40 }
embeddedartists 22:1a58a518435c 41
embeddedartists 22:1a58a518435c 42
embeddedartists 22:1a58a518435c 43 bool isKnownSPIFIMemory(uint8_t mfgr, uint8_t devType, uint8_t devID, uint32_t memSize, uint32_t* eraseBlockSize);
embeddedartists 22:1a58a518435c 44
embeddedartists 22:1a58a518435c 45 friend class BiosDisplay;
embeddedartists 22:1a58a518435c 46 friend class BiosTouch;
embeddedartists 22:1a58a518435c 47 friend class DMBoard;
embeddedartists 22:1a58a518435c 48
embeddedartists 22:1a58a518435c 49 private:
embeddedartists 22:1a58a518435c 50
embeddedartists 22:1a58a518435c 51 bool _initialized;
embeddedartists 22:1a58a518435c 52
embeddedartists 22:1a58a518435c 53 bios_header_t _bios;
embeddedartists 22:1a58a518435c 54 void* _biosData;
embeddedartists 22:1a58a518435c 55 uint8_t* _conf;
embeddedartists 22:1a58a518435c 56 uint32_t _confSize;
embeddedartists 22:1a58a518435c 57
embeddedartists 22:1a58a518435c 58 explicit BiosLoader();
embeddedartists 22:1a58a518435c 59 // hide copy constructor
embeddedartists 22:1a58a518435c 60 BiosLoader(const BiosLoader&);
embeddedartists 22:1a58a518435c 61 // hide assign operator
embeddedartists 22:1a58a518435c 62 BiosLoader& operator=(const BiosLoader&);
embeddedartists 22:1a58a518435c 63 ~BiosLoader();
embeddedartists 22:1a58a518435c 64
embeddedartists 22:1a58a518435c 65 /** Loads, verifies and prepares the BIOS
embeddedartists 22:1a58a518435c 66 *
embeddedartists 22:1a58a518435c 67 * @returns
embeddedartists 22:1a58a518435c 68 * Ok on success
embeddedartists 22:1a58a518435c 69 * An error code on failure
embeddedartists 22:1a58a518435c 70 */
embeddedartists 22:1a58a518435c 71 DMBoard::BoardError init();
embeddedartists 22:1a58a518435c 72 DMBoard::BoardError readBIOS(uint8_t** data, uint32_t* size);
embeddedartists 22:1a58a518435c 73 DMBoard::BoardError params(bios_header_t** header, void** instanceData);
embeddedartists 22:1a58a518435c 74
embeddedartists 22:1a58a518435c 75 void resetI2C();
embeddedartists 22:1a58a518435c 76 };
embeddedartists 22:1a58a518435c 77
embeddedartists 22:1a58a518435c 78 #endif /* BIOSLOADER_H */