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MarlinFirmware/frameworks/CMSIS/LPC1768/driver/lpc17xx_iap.c

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/**********************************************************************
* $Id$ lpc17xx_iap.c 2012-04-18
*//**
* @file lpc17xx_iap.c
* @brief Contains all functions support for IAP on lpc17xx
* @version 1.0
* @date 18. April. 2012
* @author NXP MCU SW Application Team
*
* Copyright(C) 2011, NXP Semiconductor
* All rights reserved.
*
***********************************************************************
* Software that is described herein is for illustrative purposes only
* which provides customers with programming information regarding the
* products. This software is supplied "AS IS" without any warranties.
* NXP Semiconductors assumes no responsibility or liability for the
* use of the software, conveys no license or title under any patent,
* copyright, or mask work right to the product. NXP Semiconductors
* reserves the right to make changes in the software without
* notification. NXP Semiconductors also make no representation or
* warranty that such application will be suitable for the specified
* use without further testing or modification.
* Permission to use, copy, modify, and distribute this software and its
* documentation is hereby granted, under NXP Semiconductors'
* relevant copyright in the software, without fee, provided that it
* is used in conjunction with NXP Semiconductors microcontrollers. This
* copyright, permission, and disclaimer notice must appear in all copies of
* this code.
**********************************************************************/
#include "lpc17xx_iap.h"
#include "system_LPC17xx.h"
// IAP Command
typedef void (*IAP)(uint32_t *cmd,uint32_t *result);
IAP iap_entry = (IAP) IAP_LOCATION;
#define IAP_Call iap_entry
/** @addtogroup IAP_Public_Functions IAP Public Function
* @ingroup IAP
* @{
*/
/*********************************************************************//**
* @brief Get Sector Number
*
* @param[in] adr Sector Address
*
* @return Sector Number.
*
**********************************************************************/
uint32_t GetSecNum (uint32_t adr)
{
uint32_t n;
n = adr >> 12; // 4kB Sector
if (n >= 0x10) {
n = 0x0E + (n >> 3); // 32kB Sector
}
return (n); // Sector Number
}
/*********************************************************************//**
* @brief Prepare sector(s) for write operation
*
* @param[in] start_sec The number of start sector
* @param[in] end_sec The number of end sector
*
* @return CMD_SUCCESS/BUSY/INVALID_SECTOR.
*
**********************************************************************/
IAP_STATUS_CODE PrepareSector(uint32_t start_sec, uint32_t end_sec)
{
IAP_COMMAND_Type command;
command.cmd = IAP_PREPARE; // Prepare Sector for Write
command.param[0] = start_sec; // Start Sector
command.param[1] = end_sec; // End Sector
IAP_Call (&command.cmd, &command.status); // Call IAP Command
return (IAP_STATUS_CODE)command.status;
}
/*********************************************************************//**
* @brief Copy RAM to Flash
*
* @param[in] dest destination buffer (in Flash memory).
* @param[in] source source buffer (in RAM).
* @param[in] size the write size.
*
* @return CMD_SUCCESS.
* SRC_ADDR_ERROR/DST_ADDR_ERROR
* SRC_ADDR_NOT_MAPPED/DST_ADDR_NOT_MAPPED
* COUNT_ERROR/SECTOR_NOT_PREPARED_FOR_WRITE_OPERATION
* BUSY
*
**********************************************************************/
IAP_STATUS_CODE CopyRAM2Flash(uint8_t * dest, uint8_t* source, IAP_WRITE_SIZE size)
{
uint32_t sec;
IAP_STATUS_CODE status;
IAP_COMMAND_Type command;
// Prepare sectors
sec = GetSecNum((uint32_t)dest);
status = PrepareSector(sec, sec);
if(status != CMD_SUCCESS)
return status;
// write
command.cmd = IAP_COPY_RAM2FLASH; // Copy RAM to Flash
command.param[0] = (uint32_t)dest; // Destination Flash Address
command.param[1] = (uint32_t)source; // Source RAM Address
command.param[2] = size; // Number of bytes
command.param[3] = SystemCoreClock / 1000; // CCLK in kHz
IAP_Call (&command.cmd, &command.status); // Call IAP Command
return (IAP_STATUS_CODE)command.status; // Finished without Errors
}
/*********************************************************************//**
* @brief Erase sector(s)
*
* @param[in] start_sec The number of start sector
* @param[in] end_sec The number of end sector
*
* @return CMD_SUCCESS.
* INVALID_SECTOR
* SECTOR_NOT_PREPARED_FOR_WRITE_OPERATION
* BUSY
*
**********************************************************************/
IAP_STATUS_CODE EraseSector(uint32_t start_sec, uint32_t end_sec)
{
IAP_COMMAND_Type command;
IAP_STATUS_CODE status;
// Prepare sectors
status = PrepareSector(start_sec, end_sec);
if(status != CMD_SUCCESS)
return status;
// Erase sectors
command.cmd = IAP_ERASE; // Prepare Sector for Write
command.param[0] = start_sec; // Start Sector
command.param[1] = end_sec; // End Sector
command.param[2] = SystemCoreClock / 1000; // CCLK in kHz
IAP_Call (&command.cmd, &command.status); // Call IAP Command
return (IAP_STATUS_CODE)command.status;
}
/*********************************************************************//**
* @brief Blank check sector(s)
*
* @param[in] start_sec The number of start sector
* @param[in] end_sec The number of end sector
* @param[out] first_nblank_loc The offset of the first non-blank word
* @param[out] first_nblank_val The value of the first non-blank word
*
* @return CMD_SUCCESS.
* INVALID_SECTOR
* SECTOR_NOT_BLANK
* BUSY
*
**********************************************************************/
IAP_STATUS_CODE BlankCheckSector(uint32_t start_sec, uint32_t end_sec,
uint32_t *first_nblank_loc,
uint32_t *first_nblank_val)
{
IAP_COMMAND_Type command;
command.cmd = IAP_BLANK_CHECK; // Prepare Sector for Write
command.param[0] = start_sec; // Start Sector
command.param[1] = end_sec; // End Sector
IAP_Call (&command.cmd, &command.status); // Call IAP Command
if(command.status == SECTOR_NOT_BLANK)
{
// Update out value
if(first_nblank_loc != NULL)
*first_nblank_loc = command.result[0];
if(first_nblank_val != NULL)
*first_nblank_val = command.result[1];
}
return (IAP_STATUS_CODE)command.status;
}
/*********************************************************************//**
* @brief Read part identification number
*
* @param[out] partID Part ID
*
* @return CMD_SUCCESS
*
**********************************************************************/
IAP_STATUS_CODE ReadPartID(uint32_t *partID)
{
IAP_COMMAND_Type command;
command.cmd = IAP_READ_PART_ID;
IAP_Call (&command.cmd, &command.status); // Call IAP Command
if(command.status == CMD_SUCCESS)
{
if(partID != NULL)
*partID = command.result[0];
}
return (IAP_STATUS_CODE)command.status;
}
/*********************************************************************//**
* @brief Read boot code version. The version is interpreted as <major>.<minor>.
*
* @param[out] major The major
* @param[out] minor The minor
*
* @return CMD_SUCCESS
*
**********************************************************************/
IAP_STATUS_CODE ReadBootCodeVer(uint8_t *major, uint8_t* minor)
{
IAP_COMMAND_Type command;
command.cmd = IAP_READ_BOOT_VER;
IAP_Call (&command.cmd, &command.status); // Call IAP Command
if(command.status == CMD_SUCCESS)
{
if(major != NULL)
*major = (command.result[0] >> 8) & 0xFF;
if(minor != NULL)
*minor = (command.result[0]) & 0xFF;
}
return (IAP_STATUS_CODE)command.status;
}
/*********************************************************************//**
* @brief Read Device serial number.
*
* @param[out] uid Serial number.
*
* @return CMD_SUCCESS
*
**********************************************************************/
IAP_STATUS_CODE ReadDeviceSerialNum(uint32_t *uid)
{
IAP_COMMAND_Type command;
command.cmd = IAP_READ_SERIAL_NUMBER;
IAP_Call (&command.cmd, &command.status); // Call IAP Command
if(command.status == CMD_SUCCESS)
{
if(uid != NULL)
{
uint32_t i = 0;
for(i = 0; i < 4; i++)
uid[i] = command.result[i];
}
}
return (IAP_STATUS_CODE)command.status;
}
/*********************************************************************//**
* @brief compare the memory contents at two locations.
*
* @param[in] addr1 The address of the 1st buffer (in RAM/Flash).
* @param[in] addr2 The address of the 2nd buffer (in RAM/Flash).
* @param[in] size Number of bytes to be compared; should be a multiple of 4.
*
* @return CMD_SUCCESS
* COMPARE_ERROR
* COUNT_ERROR (Byte count is not a multiple of 4)
* ADDR_ERROR
* ADDR_NOT_MAPPED
*
**********************************************************************/
IAP_STATUS_CODE Compare(uint8_t *addr1, uint8_t *addr2, uint32_t size)
{
IAP_COMMAND_Type command;
command.cmd = IAP_COMPARE;
command.param[0] = (uint32_t)addr1;
command.param[1] = (uint32_t)addr2;
command.param[2] = size;
IAP_Call (&command.cmd, &command.status); // Call IAP Command
return (IAP_STATUS_CODE)command.status;
}
/*********************************************************************//**
* @brief Re-invoke ISP.
*
* @param[in] None.
*
* @return None.
*
**********************************************************************/
void InvokeISP(void)
{
IAP_COMMAND_Type command;
command.cmd = IAP_REINVOKE_ISP;
IAP_Call (&command.cmd, &command.status); // Call IAP Command
}
/**
* @}
*/
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