107 lines
3.8 KiB
C
107 lines
3.8 KiB
C
// Copyright 2021 IOsetting <iosetting(at)outlook.com>
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef ___FW_IAP_H___
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#define ___FW_IAP_H___
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#include "fw_conf.h"
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#include "fw_types.h"
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/**
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* EEPROM size and IAP address of different series
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*
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* | LINE | SIZE | ADDR START | ADDR END |
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* | --------- | --- | ----- | ----- |
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* | STC8H1K08 | 4K | 0x0000 | 0x0FFF |
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* | STC8H1K24 | 4K | 0x0000 | 0x0FFF |
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* | STC8H3K60S2 | 4K | 0x0000 | 0x0FFF |
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* | STC8H3K60S4 | 4K | 0x0000 | 0x0FFF |
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* | STC8H8K60U | 4K | 0x0000 | 0x0FFF |
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* | STC8H1K16 | 12K | 0x0000 | 0x2FFF |
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* | STC8H3K48S2 | 16K | 0x0000 | 0x3FFF |
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* | STC8H3K48S4 | 16K | 0x0000 | 0x3FFF |
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* | STC8H8K48U | 16K | 0x0000 | 0x3FFF |
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* | STC8H3K32S2 | 32K | 0x0000 | 0x7FFF |
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* | STC8H3K32S4 | 32K | 0x0000 | 0x7FFF |
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* | STC8H8K32U | 32K | 0x0000 | 0x7FFF |
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*
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*/
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typedef enum
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{
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IAP_RestartFrom_UserCode = 0x00,
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IAP_RestartFrom_ISPCode = 0x01,
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} IAP_RestartFrom_t;
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#define IAP_SetWaitTime() (IAP_TPS = (uint8_t)(__CONF_FOSC / 1000000UL))
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#define IAP_ReadData() (IAP_DATA)
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#define IAP_WriteData(__BYTE__) (IAP_DATA = (__BYTE__))
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/**
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* Set cmd to idle
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*/
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#define IAP_SetIdle() (IAP_CMD = IAP_CMD & ~(0x03))
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/**
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* Read one byte
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*/
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#define IAP_CmdRead(__16BIT_ADDR__) do{ \
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EA = 0; \
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IAP_ADDRH = ((__16BIT_ADDR__) >> 8); \
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IAP_ADDRL = ((__16BIT_ADDR__) & 0xFF); \
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IAP_CMD = IAP_CMD & ~(0x03) | 0x01; \
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IAP_TRIG = 0x5A; \
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IAP_TRIG = 0xA5; \
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NOP();NOP(); \
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IAP_SetIdle(); \
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EA = 1; \
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}while(0)
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/**
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* Write one byte, 1->0 only
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*/
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#define IAP_CmdWrite(__16BIT_ADDR__) do{ \
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EA = 0; \
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IAP_ADDRH = ((__16BIT_ADDR__) >> 8); \
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IAP_ADDRL = ((__16BIT_ADDR__) & 0xFF); \
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IAP_CMD = IAP_CMD & ~(0x03) | 0x02; \
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IAP_TRIG = 0x5A; \
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IAP_TRIG = 0xA5; \
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NOP();NOP(); \
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IAP_SetIdle(); \
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EA = 1; \
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}while(0)
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/**
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* Erase one section (512 bytes), set all bytes to 0xFF
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*/
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#define IAP_CmdErase(__16BIT_ADDR__) do{ \
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EA = 0; \
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IAP_ADDRH = ((__16BIT_ADDR__) >> 8); \
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IAP_ADDRL = ((__16BIT_ADDR__) & 0xFF); \
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IAP_CMD = IAP_CMD & ~(0x03) | 0x03; \
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IAP_TRIG = 0x5A; \
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IAP_TRIG = 0xA5; \
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NOP();NOP(); \
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IAP_SetIdle(); \
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EA = 1; \
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}while(0)
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#define IAP_SetEnabled(__STATE__) SFR_ASSIGN(IAP_CONTR, 7, __STATE__)
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#define IAP_SetRestartFrom(__FROM__) SFR_ASSIGN(IAP_CONTR, 6, __FROM__)
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#define IAP_SoftReset() SFR_SET(IAP_CONTR, 5)
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#define IAP_IsCmdFailed() (IAP_CONTR & (0x01 << 4))
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#define IAP_ClearCmdFailFlag() SFR_RESET(IAP_CONTR, 4)
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#endif
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