You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
2.2 KiB
Plaintext
55 lines
2.2 KiB
Plaintext
4 years ago
|
/*
|
||
|
|
ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
|
||
|
|
|
||
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
you may not use this file except in compliance with the License.
|
||
|
|
You may obtain a copy of the License at
|
||
|
|
|
||
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
|
||
|
|
Unless required by applicable law or agreed to in writing, software
|
||
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
See the License for the specific language governing permissions and
|
||
|
|
limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @defgroup HAL_SERIAL_NOR Serial NOR Flash Driver
|
||
|
|
* @brief Serial NOR Flash driver.
|
||
|
|
* @details This module implements a generic driver for serial NOR Flash
|
||
|
|
* devices.
|
||
|
|
*
|
||
|
|
* @section snorflash_1 Driver State Machine
|
||
|
|
* The flash driver implements a state machine internally, not all the driver
|
||
|
|
* functionalities can be used in any moment, any transition not explicitly
|
||
|
|
* shown in the following diagram has to be considered an error and shall
|
||
|
|
* be captured by an assertion (if enabled).
|
||
|
|
* @dot
|
||
|
|
digraph example {
|
||
|
|
rankdir="LR";
|
||
|
|
node [shape=circle, fontname=Helvetica, fontsize=8, fixedsize="true", width="0.9", height="0.9"];
|
||
|
|
edge [fontname=Helvetica, fontsize=8];
|
||
|
|
stop [label="FLS_STOP\nLow Power"];
|
||
|
|
uninit [label="FLS_UNINIT", style="bold"];
|
||
|
|
ready [label="FLS_READY\nClock Enabled"];
|
||
|
|
read [label="FLS_READ\nReading"];
|
||
|
|
pgm [label="FLS_PGM\nProgramming"];
|
||
|
|
erase [label="FLS_ERASE\nErasing"];
|
||
|
|
uninit -> stop [label=" snorInit()", constraint=false];
|
||
|
|
stop -> stop [label=" snorStop()"];
|
||
|
|
stop -> ready [label=" snorStart()"];
|
||
|
|
ready -> stop [label=" snorStop()"];
|
||
|
|
ready -> read [label=" flashRead()\nflashVerifyErase()"];
|
||
|
|
read -> ready [label=" return"];
|
||
|
|
ready -> pgm [label=" flashProgram()"];
|
||
|
|
pgm -> ready [label=" return"];
|
||
|
|
ready -> erase [label=" \n\nflashEraseAll()\nflashEraseSector()"];
|
||
|
|
erase -> ready [label=" flashQueryErase()\nFLASH_NO_ERROR\nFLASH_ERROR_*"];
|
||
|
|
erase -> erase [label=" flashQueryErase()\nflashProgram()\nflashRead()\nFLASH_BUSY_ERASING"];
|
||
|
|
}
|
||
|
|
* @enddot
|
||
|
|
*
|
||
|
|
* @ingroup HAL_COMPLEX_DRIVERS
|
||
|
|
*/
|