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Ender 3 V2 BL24C16 EEPROM support (#18758)

This commit is contained in:
Scott Lahteine 2020-07-24 03:09:14 -05:00 committed by GitHub
parent 8c88c33d9f
commit 451f48231d
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GPG Key ID: 4AEE18F83AFDEB23
15 changed files with 498 additions and 306 deletions
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81
Marlin/src/HAL/STM32F1/eeprom_bl24cxx.cpp Normal file
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@ -0,0 +1,81 @@
/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
/**
* PersistentStore for Arduino-style EEPROM interface
* with simple implementations supplied by Marlin.
*/
#include "../../inc/MarlinConfig.h"
#if ENABLED(IIC_BL24CXX_EEPROM)
#include "../shared/eeprom_if.h"
#include "../shared/eeprom_api.h"
//
// PersistentStore
//
#ifndef MARLIN_EEPROM_SIZE
#error "MARLIN_EEPROM_SIZE is required for IIC_BL24CXX_EEPROM."
#endif
size_t PersistentStore::capacity() { return MARLIN_EEPROM_SIZE; }
bool PersistentStore::access_start() { eeprom_init(); return true; }
bool PersistentStore::access_finish() { return true; }
bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
while (size--) {
uint8_t v = *value;
uint8_t * const p = (uint8_t * const)pos;
// EEPROM has only ~100,000 write cycles,
// so only write bytes that have changed!
if (v != eeprom_read_byte(p)) {
eeprom_write_byte(p, v);
delay(2);
if (eeprom_read_byte(p) != v) {
SERIAL_ECHO_MSG(STR_ERR_EEPROM_WRITE);
return true;
}
}
crc16(crc, &v, 1);
pos++;
value++;
}
return false;
}
bool PersistentStore::read_data(int &pos, uint8_t* value, size_t size, uint16_t *crc, const bool writing/*=true*/) {
do {
uint8_t * const p = (uint8_t * const)pos;
uint8_t c = eeprom_read_byte(p);
if (writing) *value = c;
crc16(crc, &c, 1);
pos++;
value++;
} while (--size);
return false;
}
#endif // IIC_BL24CXX_EEPROM

51
Marlin/src/HAL/STM32F1/eeprom_if_iic.cpp Normal file
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@ -0,0 +1,51 @@
/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
/**
* Platform-independent Arduino functions for I2C EEPROM.
* Enable USE_SHARED_EEPROM if not supplied by the framework.
*/
#include "../../inc/MarlinConfig.h"
#if ENABLED(IIC_BL24CXX_EEPROM)
#include "../../libs/BL24CXX.h"
#include "../shared/eeprom_if.h"
void eeprom_init() { BL24CXX::init(); }
// ------------------------
// Public functions
// ------------------------
void eeprom_write_byte(uint8_t *pos, unsigned char value) {
const unsigned eeprom_address = (unsigned)pos;
return BL24CXX::writeOneByte(eeprom_address, value);
}
uint8_t eeprom_read_byte(uint8_t *pos) {
const unsigned eeprom_address = (unsigned)pos;
return BL24CXX::readOneByte(eeprom_address);
}
#endif // IIC_BL24CXX_EEPROM

26
Marlin/src/HAL/shared/eeprom_api.h
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@ -29,20 +29,38 @@
class PersistentStore {
public:
static bool access_start();
static bool access_finish();
static bool write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc);
static bool read_data(int &pos, uint8_t* value, size_t size, uint16_t *crc, const bool writing=true);
// Total available persistent storage space (in bytes)
static size_t capacity();
// Prepare to read or write
static bool access_start();
// Housecleaning after read or write
static bool access_finish();
// Write one or more bytes of data and update the CRC
// Return 'true' on write error
static bool write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc);
// Read one or more bytes of data and update the CRC
// Return 'true' on read error
static bool read_data(int &pos, uint8_t* value, size_t size, uint16_t *crc, const bool writing=true);
// Write one or more bytes of data
// Return 'true' on write error
static inline bool write_data(const int pos, const uint8_t* value, const size_t size=sizeof(uint8_t)) {
int data_pos = pos;
uint16_t crc = 0;
return write_data(data_pos, value, size, &crc);
}
// Write a single byte of data
// Return 'true' on write error
static inline bool write_data(const int pos, const uint8_t value) { return write_data(pos, &value); }
// Read one or more bytes of data
// Return 'true' on read error
static inline bool read_data(const int pos, uint8_t* value, const size_t size=1) {
int data_pos = pos;
uint16_t crc = 0;

4
Marlin/src/MarlinCore.cpp
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@ -72,7 +72,7 @@
#endif
#if ENABLED(IIC_BL24CXX_EEPROM)
#include "lcd/dwin/eeprom_BL24CXX.h"
#include "libs/BL24CXX.h"
#endif
#if ENABLED(DIRECT_STEPPING)
@ -1171,7 +1171,7 @@ void setup() {
#if ENABLED(IIC_BL24CXX_EEPROM)
BL24CXX::init();
const uint8_t err = BL24CXX::check();
SERIAL_ECHO_TERNARY(err, "I2C_EEPROM Check ", "failed", "succeeded", "!\n");
SERIAL_ECHO_TERNARY(err, "BL24CXX Check ", "failed", "succeeded", "!\n");
#endif
#if ENABLED(DWIN_CREALITY_LCD)

36
Marlin/src/gcode/eeprom/M500-M504.cpp
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@ -58,11 +58,47 @@ void GcodeSuite::M502() {
#endif // !DISABLE_M503
#if ENABLED(EEPROM_SETTINGS)
#if ENABLED(MARLIN_DEV_MODE)
#include "../../libs/hex_print_routines.h"
#endif
/**
* M504: Validate EEPROM Contents
*/
void GcodeSuite::M504() {
#if ENABLED(MARLIN_DEV_MODE)
const bool dowrite = parser.seenval('W');
if (dowrite || parser.seenval('R')) {
uint8_t val = 0;
int addr = parser.value_ushort();
if (dowrite) {
val = parser.byteval('V');
persistentStore.write_data(addr, &val);
SERIAL_ECHOLNPAIR("Wrote address ", addr, " with ", int(val));
}
else {
if (parser.seenval('T')) {
const int endaddr = parser.value_ushort();
while (addr <= endaddr) {
persistentStore.read_data(addr, &val);
SERIAL_ECHOLNPAIR("0x", hex_word(addr), ":", hex_byte(val));
addr++;
safe_delay(10);
}
SERIAL_EOL();
}
else {
persistentStore.read_data(addr, &val);
SERIAL_ECHOLNPAIR("Read address ", addr, " and got ", int(val));
}
}
return;
}
#endif
if (settings.validate())
SERIAL_ECHO_MSG("EEPROM OK");
}
#endif

3
Marlin/src/inc/Conditionals_post.h
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@ -50,6 +50,8 @@
#define USE_EMULATED_EEPROM 1
#elif ANY(I2C_EEPROM, SPI_EEPROM)
#define USE_WIRED_EEPROM 1
#elif ENABLED(IIC_BL24CXX_EEPROM)
// nothing
#else
#define USE_FALLBACK_EEPROM 1
#endif
@ -60,6 +62,7 @@
#undef SDCARD_EEPROM_EMULATION
#undef SRAM_EEPROM_EMULATION
#undef FLASH_EEPROM_EMULATION
#undef IIC_BL24CXX_EEPROM
#endif
#ifdef TEENSYDUINO

9
Marlin/src/inc/SanityCheck.h
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@ -2131,8 +2131,13 @@ static_assert(hbm[Z_AXIS] >= 0, "HOMING_BUMP_MM.Z must be greater than or equal
*/
#if ENABLED(EEPROM_SETTINGS)
#if 1 < 0 \
+ ENABLED(I2C_EEPROM) + ENABLED(SPI_EEPROM) + ENABLED(QSPI_EEPROM) \
+ ENABLED(SDCARD_EEPROM_EMULATION) + ENABLED(FLASH_EEPROM_EMULATION) + ENABLED(SRAM_EEPROM_EMULATION)
+ ENABLED(I2C_EEPROM) \
+ ENABLED(SPI_EEPROM) \
+ ENABLED(QSPI_EEPROM) \
+ ENABLED(SDCARD_EEPROM_EMULATION) \
+ ENABLED(FLASH_EEPROM_EMULATION) \
+ ENABLED(SRAM_EEPROM_EMULATION) \
+ ENABLED(IIC_BL24CXX_EEPROM)
#error "Please select only one method of EEPROM Persistent Storage."
#endif
#endif

9
Marlin/src/lcd/dwin/dwin.cpp
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@ -185,10 +185,11 @@ int temphot = 0, tempbed = 0;
float zprobe_zoffset = 0;
float last_zoffset = 0, last_probe_zoffset = 0;
#define FONT_EEPROM_OFFSET 0
#define DWIN_LANGUAGE_EEPROM_ADDRESS 0x01 // Between 0x01 and 0x63 (EEPROM_OFFSET-1)
// BL24CXX::check() uses 0x00
void lcd_select_language(void) {
BL24CXX::read(FONT_EEPROM_OFFSET, (uint8_t*)&HMI_flag.language_flag, sizeof(HMI_flag.language_flag));
BL24CXX::read(DWIN_LANGUAGE_EEPROM_ADDRESS, (uint8_t*)&HMI_flag.language_flag, sizeof(HMI_flag.language_flag));
if (HMI_flag.language_flag)
DWIN_JPG_CacheTo1(Language_Chinese);
else
@ -198,12 +199,12 @@ void lcd_select_language(void) {
void set_english_to_eeprom(void) {
HMI_flag.language_flag = 0;
DWIN_JPG_CacheTo1(Language_English);
BL24CXX::write(FONT_EEPROM_OFFSET, (uint8_t*)&HMI_flag.language_flag, sizeof(HMI_flag.language_flag));
BL24CXX::write(DWIN_LANGUAGE_EEPROM_ADDRESS, (uint8_t*)&HMI_flag.language_flag, sizeof(HMI_flag.language_flag));
}
void set_chinese_to_eeprom(void) {
HMI_flag.language_flag = 1;
DWIN_JPG_CacheTo1(Language_Chinese);
BL24CXX::write(FONT_EEPROM_OFFSET, (uint8_t*)&HMI_flag.language_flag, sizeof(HMI_flag.language_flag));
BL24CXX::write(DWIN_LANGUAGE_EEPROM_ADDRESS, (uint8_t*)&HMI_flag.language_flag, sizeof(HMI_flag.language_flag));
}
void show_plus_or_minus(uint8_t size, uint16_t bColor, uint8_t iNum, uint8_t fNum, uint16_t x, uint16_t y, long value) {

2
Marlin/src/lcd/dwin/dwin.h
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@ -27,7 +27,7 @@
#include "dwin_lcd.h"
#include "rotary_encoder.h"
#include "eeprom_BL24CXX.h"
#include "../../libs/BL24CXX.h"
#include <stdint.h>

263
Marlin/src/lcd/dwin/eeprom_BL24CXX.cpp
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@ -1,263 +0,0 @@
/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
/********************************************************************************
* @file eeprom_BL24CXX.cpp
* @brief i2c EEPROM for Ender 3 v2 board (4.2.2)
********************************************************************************/
#include "../../inc/MarlinConfig.h"
#if ENABLED(IIC_BL24CXX_EEPROM)
#include "eeprom_BL24CXX.h"
#include "../../MarlinCore.h"
#include <stdlib.h>
/******************** IIC ********************/
// 初始化IIC
void IIC::init() {
SET_OUTPUT(IIC_EEPROM_SDA);
SET_OUTPUT(IIC_EEPROM_SCL);
IIC_SCL_1();
IIC_SDA_1();
}
// 产生IIC起始信号
void IIC::start() {
SDA_OUT(); // sda线输出
IIC_SDA_1();
IIC_SCL_1();
delay_us(4);
IIC_SDA_0(); // START:when CLK is high, DATA change form high to low
delay_us(4);
IIC_SCL_0(); // 钳住I2C总线，准备发送或接收数据
}
// 产生IIC停止信号
void IIC::stop() {
SDA_OUT(); // sda线输出
IIC_SCL_0();
IIC_SDA_0(); // STOP:when CLK is high DATA change form low to high
delay_us(4);
IIC_SCL_1();
IIC_SDA_1(); // 发送I2C总线结束信号
delay_us(4);
}
// 等待应答信号到来
// 返回值：1，接收应答失败
// 0，接收应答成功
uint8_t IIC::wait_ack() {
uint8_t ucErrTime=0;
SDA_IN(); // SDA设置为输入
IIC_SDA_1();delay_us(1);
IIC_SCL_1();delay_us(1);
while (READ_SDA()) {
ucErrTime++;
if (ucErrTime>250) {
stop();
return 1;
}
}
IIC_SCL_0(); // 时钟输出0
return 0;
}
// 产生ACK应答
void IIC::ack() {
IIC_SCL_0();
SDA_OUT();
IIC_SDA_0();
delay_us(2);
IIC_SCL_1();
delay_us(2);
IIC_SCL_0();
}
// 不产生ACK应答
void IIC::nAck() {
IIC_SCL_0();
SDA_OUT();
IIC_SDA_1();
delay_us(2);
IIC_SCL_1();
delay_us(2);
IIC_SCL_0();
}
// IIC发送一个字节
// 返回从机有无应答
// 1，有应答
// 0，无应答
void IIC::send_byte(uint8_t txd) {
SDA_OUT();
IIC_SCL_0(); // 拉低时钟开始数据传输
LOOP_L_N(t, 8) {
// IIC_SDA = (txd & 0x80) >> 7;
if (txd & 0x80) IIC_SDA_1(); else IIC_SDA_0();
txd <<= 1;
delay_us(2); // 对TEA5767这三个延时都是必须的
IIC_SCL_1();
delay_us(2);
IIC_SCL_0();
delay_us(2);
}
}
// 读1个字节，ack=1时，发送ACK，ack=0，发送nACK
uint8_t IIC::read_byte(unsigned char ack_chr) {
unsigned char receive = 0;
SDA_IN(); // SDA设置为输入
LOOP_L_N(i, 8) {
IIC_SCL_0();
delay_us(2);
IIC_SCL_1();
receive <<= 1;
if (READ_SDA()) receive++;
delay_us(1);
}
ack_chr ? ack() : nAck(); // 发送ACK / 发送nACK
return receive;
}
/******************** EEPROM ********************/
// 初始化IIC接口
void BL24CXX::init() { IIC::init(); }
// 在BL24CXX指定地址读出一个数据
// ReadAddr:开始读数的地址
// 返回值 :读到的数据
uint8_t BL24CXX::readOneByte(uint16_t ReadAddr) {
uint8_t temp = 0;
IIC::start();
if (EE_TYPE > BL24C16) {
IIC::send_byte(0xA0); // 发送写命令
IIC::wait_ack();
IIC::send_byte(ReadAddr >> 8); // 发送高地址
IIC::wait_ack();
}
else
IIC::send_byte(0xA0 + ((ReadAddr >> 8) << 1)); // 发送器件地址0xA0,写数据
IIC::wait_ack();
IIC::send_byte(ReadAddr & 0xFF); // 发送低地址
IIC::wait_ack();
IIC::start();
IIC::send_byte(0xA1); // 进入接收模式
IIC::wait_ack();
temp = IIC::read_byte(0);
IIC::stop(); // 产生一个停止条件
return temp;
}
// 在BL24CXX指定地址写入一个数据
// WriteAddr :写入数据的目的地址
// DataToWrite:要写入的数据
void BL24CXX::writeOneByte(uint16_t WriteAddr, uint8_t DataToWrite) {
IIC::start();
if (EE_TYPE > BL24C16) {
IIC::send_byte(0xA0); // 发送写命令
IIC::wait_ack();
IIC::send_byte(WriteAddr >> 8); // 发送高地址
}
else {
IIC::send_byte(0xA0 + ((WriteAddr >> 8) << 1)); // 发送器件地址0xA0,写数据
}
IIC::wait_ack();
IIC::send_byte(WriteAddr & 0xFF); // 发送低地址
IIC::wait_ack();
IIC::send_byte(DataToWrite); // 发送字节
IIC::wait_ack();
IIC::stop(); // 产生一个停止条件
delay(10);
}
// 在BL24CXX里面的指定地址开始写入长度为Len的数据
// 该函数用于写入16bit或者32bit的数据.
// WriteAddr :开始写入的地址
// DataToWrite:数据数组首地址
// Len :要写入数据的长度2,4
void BL24CXX::writeLenByte(uint16_t WriteAddr, uint32_t DataToWrite, uint8_t Len) {
LOOP_L_N(t, Len)
writeOneByte(WriteAddr + t, (DataToWrite >> (8 * t)) & 0xFF);
}
// 在BL24CXX里面的指定地址开始读出长度为Len的数据
// 该函数用于读出16bit或者32bit的数据.
// ReadAddr :开始读出的地址
// 返回值 :数据
// Len :要读出数据的长度2,4
uint32_t BL24CXX::readLenByte(uint16_t ReadAddr, uint8_t Len) {
uint32_t temp = 0;
LOOP_L_N(t, Len) {
temp <<= 8;
temp += readOneByte(ReadAddr + Len - t - 1);
}
return temp;
}
// 检查BL24CXX是否正常
// 这里用了24XX的最后一个地址(255)来存储标志字.
// 如果用其他24C系列,这个地址要修改
// 返回1:检测失败
// 返回0:检测成功
uint8_t BL24CXX::check() {
uint8_t temp;
temp = readOneByte(255); // 避免每次开机都写BL24CXX
if (temp == 'U') return 0;
else { // 排除第一次初始化的情况
writeOneByte(255, 'U');
temp = readOneByte(255);
if (temp == 'U') return 0;
}
return 1;
}
// 在BL24CXX里面的指定地址开始读出指定个数的数据
// ReadAddr :开始读出的地址 对24c02为0~255
// pBuffer :数据数组首地址
// NumToRead:要读出数据的个数
void BL24CXX::read(uint16_t ReadAddr, uint8_t *pBuffer, uint16_t NumToRead) {
while (NumToRead) {
*pBuffer++ = readOneByte(ReadAddr++);
NumToRead--;
}
}
// 在BL24CXX里面的指定地址开始写入指定个数的数据
// WriteAddr :开始写入的地址 对24c02为0~255
// pBuffer :数据数组首地址
// NumToWrite:要写入数据的个数
void BL24CXX::write(uint16_t WriteAddr, uint8_t *pBuffer, uint16_t NumToWrite) {
while (NumToWrite--) {
writeOneByte(WriteAddr, *pBuffer);
WriteAddr++;
pBuffer++;
}
}
#endif // IIC_BL24CXX_EEPROM

273
Marlin/src/libs/BL24CXX.cpp Normal file
View File

@ -0,0 +1,273 @@
/**
* Marlin 3D Printer Firmware
*
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
#include "../inc/MarlinConfig.h"
#if ENABLED(IIC_BL24CXX_EEPROM)
/**
* PersistentStore for Arduino-style EEPROM interface
* with simple implementations supplied by Marlin.
*/
#include "BL24CXX.h"
#include <libmaple/gpio.h>
#ifndef EEPROM_WRITE_DELAY
#define EEPROM_WRITE_DELAY 10
#endif
#ifndef EEPROM_DEVICE_ADDRESS
#define EEPROM_DEVICE_ADDRESS (0x50 << 1)
#endif
// IO direction setting
#define SDA_IN() do{ PIN_MAP[IIC_EEPROM_SDA].gpio_device->regs->CRH &= 0XFFFF0FFF; PIN_MAP[IIC_EEPROM_SDA].gpio_device->regs->CRH |= 8 << 12; }while(0)
#define SDA_OUT() do{ PIN_MAP[IIC_EEPROM_SDA].gpio_device->regs->CRH &= 0XFFFF0FFF; PIN_MAP[IIC_EEPROM_SDA].gpio_device->regs->CRH |= 3 << 12; }while(0)
// IO ops
#define IIC_SCL_0() WRITE(IIC_EEPROM_SCL, LOW)
#define IIC_SCL_1() WRITE(IIC_EEPROM_SCL, HIGH)
#define IIC_SDA_0() WRITE(IIC_EEPROM_SDA, LOW)
#define IIC_SDA_1() WRITE(IIC_EEPROM_SDA, HIGH)
#define READ_SDA() READ(IIC_EEPROM_SDA)
//
// Simple IIC interface via libmaple
//
// Initialize IIC
void IIC::init() {
SET_OUTPUT(IIC_EEPROM_SDA);
SET_OUTPUT(IIC_EEPROM_SCL);
IIC_SCL_1();
IIC_SDA_1();
}
// Generate IIC start signal
void IIC::start() {
SDA_OUT(); // SDA line output
IIC_SDA_1();
IIC_SCL_1();
delay_us(4);
IIC_SDA_0(); // START:when CLK is high, DATA change from high to low
delay_us(4);
IIC_SCL_0(); // Clamp the I2C bus, ready to send or receive data
}
// Generate IIC stop signal
void IIC::stop() {
SDA_OUT(); // SDA line output
IIC_SCL_0();
IIC_SDA_0(); // STOP:when CLK is high DATA change from low to high
delay_us(4);
IIC_SCL_1();
IIC_SDA_1(); // Send I2C bus end signal
delay_us(4);
}
// Wait for the response signal to arrive
// 1 = failed to receive response
// 0 = response received
uint8_t IIC::wait_ack() {
uint8_t ucErrTime = 0;
SDA_IN(); // SDA is set as input
IIC_SDA_1(); delay_us(1);
IIC_SCL_1(); delay_us(1);
while (READ_SDA()) {
if (++ucErrTime > 250) {
stop();
return 1;
}
}
IIC_SCL_0(); // Clock output 0
return 0;
}
// Generate ACK response
void IIC::ack() {
IIC_SCL_0();
SDA_OUT();
IIC_SDA_0();
delay_us(2);
IIC_SCL_1();
delay_us(2);
IIC_SCL_0();
}
// No ACK response
void IIC::nAck() {
IIC_SCL_0();
SDA_OUT();
IIC_SDA_1();
delay_us(2);
IIC_SCL_1();
delay_us(2);
IIC_SCL_0();
}
// Send one IIC byte
// Return whether the slave responds
// 1 = there is a response
// 0 = no response
void IIC::send_byte(uint8_t txd) {
SDA_OUT();
IIC_SCL_0(); // Pull down the clock to start data transmission
LOOP_L_N(t, 8) {
// IIC_SDA = (txd & 0x80) >> 7;
if (txd & 0x80) IIC_SDA_1(); else IIC_SDA_0();
txd <<= 1;
delay_us(2); // All three delays are necessary for TEA5767
IIC_SCL_1();
delay_us(2);
IIC_SCL_0();
delay_us(2);
}
}
// Read 1 byte, when ack=1, send ACK, ack=0, send nACK
uint8_t IIC::read_byte(unsigned char ack_chr) {
unsigned char receive = 0;
SDA_IN(); // SDA is set as input
LOOP_L_N(i, 8) {
IIC_SCL_0();
delay_us(2);
IIC_SCL_1();
receive <<= 1;
if (READ_SDA()) receive++;
delay_us(1);
}
ack_chr ? ack() : nAck(); // Send ACK / send nACK
return receive;
}
/******************** EEPROM ********************/
// Initialize the IIC interface
void BL24CXX::init() { IIC::init(); }
// Read a byte at the specified address
// ReadAddr: the address to start reading
// Return: the byte read
uint8_t BL24CXX::readOneByte(uint16_t ReadAddr) {
uint8_t temp = 0;
IIC::start();
if (EE_TYPE > BL24C16) {
IIC::send_byte(EEPROM_DEVICE_ADDRESS); // Send write command
IIC::wait_ack();
IIC::send_byte(ReadAddr >> 8); // Send high address
IIC::wait_ack();
}
else
IIC::send_byte(EEPROM_DEVICE_ADDRESS + ((ReadAddr >> 8) << 1)); // Send device address 0xA0, write data
IIC::wait_ack();
IIC::send_byte(ReadAddr & 0xFF); // Send low address
IIC::wait_ack();
IIC::start();
IIC::send_byte(EEPROM_DEVICE_ADDRESS | 0x01); // Send byte
IIC::wait_ack();
temp = IIC::read_byte(0);
IIC::stop(); // Generate a stop condition
return temp;
}
// Write a data at the address specified by BL24CXX
// WriteAddr: The destination address for writing data
// DataToWrite: the data to be written
void BL24CXX::writeOneByte(uint16_t WriteAddr, uint8_t DataToWrite) {
IIC::start();
if (EE_TYPE > BL24C16) {
IIC::send_byte(EEPROM_DEVICE_ADDRESS); // Send write command
IIC::wait_ack();
IIC::send_byte(WriteAddr >> 8); // Send high address
}
else
IIC::send_byte(EEPROM_DEVICE_ADDRESS + ((WriteAddr >> 8) << 1)); // Send device address 0xA0, write data
IIC::wait_ack();
IIC::send_byte(WriteAddr & 0xFF); // Send low address
IIC::wait_ack();
IIC::send_byte(DataToWrite); // Receiving mode
IIC::wait_ack();
IIC::stop(); // Generate a stop condition
delay(10);
}
// Start writing data of length Len at the specified address in BL24CXX
// This function is used to write 16bit or 32bit data.
// WriteAddr: the address to start writing
// DataToWrite: the first address of the data array
// Len: The length of the data to be written 2, 4
void BL24CXX::writeLenByte(uint16_t WriteAddr, uint32_t DataToWrite, uint8_t Len) {
LOOP_L_N(t, Len)
writeOneByte(WriteAddr + t, (DataToWrite >> (8 * t)) & 0xFF);
}
// Start reading data of length Len from the specified address in BL24CXX
// This function is used to read 16bit or 32bit data.
// ReadAddr: the address to start reading
// Return value: data
// Len: The length of the data to be read 2,4
uint32_t BL24CXX::readLenByte(uint16_t ReadAddr, uint8_t Len) {
uint32_t temp = 0;
LOOP_L_N(t, Len) {
temp <<= 8;
temp += readOneByte(ReadAddr + Len - t - 1);
}
return temp;
}
// Check if BL24CXX is normal
// Return 1: Detection failed
// return 0: detection is successful
#define BL24CXX_TEST_ADDRESS 0x00
#define BL24CXX_TEST_VALUE 0x55
bool BL24CXX::_check() {
return (readOneByte(BL24CXX_TEST_ADDRESS) != BL24CXX_TEST_VALUE); // false = success!
}
bool BL24CXX::check() {
if (_check()) { // Value was written? Good EEPROM!
writeOneByte(BL24CXX_TEST_ADDRESS, BL24CXX_TEST_VALUE); // Write now and check.
return _check();
}
return false; // success!
}
// Start reading the specified number of data at the specified address in BL24CXX
// ReadAddr: The address to start reading is 0~255 for 24c02
// pBuffer: the first address of the data array
// NumToRead: the number of data to be read
void BL24CXX::read(uint16_t ReadAddr, uint8_t *pBuffer, uint16_t NumToRead) {
for (; NumToRead; NumToRead--)
*pBuffer++ = readOneByte(ReadAddr++);
}
// Start writing the specified number of data at the specified address in BL24CXX
// WriteAddr: the address to start writing, 0~255 for 24c02
// pBuffer: the first address of the data array
// NumToWrite: the number of data to be written
void BL24CXX::write(uint16_t WriteAddr, uint8_t *pBuffer, uint16_t NumToWrite) {
for (; NumToWrite; NumToWrite--, WriteAddr++)
writeOneByte(WriteAddr, *pBuffer++);
}
#endif // IIC_BL24CXX_EEPROM

36
Marlin/src/lcd/dwin/eeprom_BL24CXX.h → Marlin/src/libs/BL24CXX.h
View File

@ -22,25 +22,12 @@
#pragma once
/********************************************************************************
* @file eeprom_BL24CXX.h
* @file BL24CXX.h
* @brief i2c EEPROM for Ender 3 v2 board (4.2.2)
********************************************************************************/
#include <libmaple/gpio.h>
/******************** IIC ********************/
//IO direction setting
#define SDA_IN() do{ PIN_MAP[IIC_EEPROM_SDA].gpio_device->regs->CRH &= 0XFFFF0FFF; PIN_MAP[IIC_EEPROM_SDA].gpio_device->regs->CRH |= 8 << 12; }while(0)
#define SDA_OUT() do{ PIN_MAP[IIC_EEPROM_SDA].gpio_device->regs->CRH &= 0XFFFF0FFF; PIN_MAP[IIC_EEPROM_SDA].gpio_device->regs->CRH |= 3 << 12; }while(0)
//IO operation function
#define IIC_SCL_0() WRITE(IIC_EEPROM_SCL, LOW)
#define IIC_SCL_1() WRITE(IIC_EEPROM_SCL, HIGH)
#define IIC_SDA_0() WRITE(IIC_EEPROM_SDA, LOW)
#define IIC_SDA_1() WRITE(IIC_EEPROM_SDA, HIGH)
#define READ_SDA() READ(IIC_EEPROM_SDA)
class BL24CXX;
// All operation functions of IIC
@ -55,9 +42,6 @@ protected:
static uint8_t wait_ack(); // IIC waits for ACK signal
static void ack(); // IIC sends ACK signal
static void nAck(); // IIC does not send ACK signal
static void write_one_byte(uint8_t daddr, uint8_t addr, uint8_t data);
static uint8_t read_one_byte(uint8_t daddr, uint8_t addr);
};
/******************** EEPROM ********************/
@ -74,13 +58,15 @@ protected:
#define EE_TYPE BL24C16
class BL24CXX {
private:
static bool _check(); // Check the device
public:
static void init(); // Initialize IIC
static uint8_t check(); // Check the device
static uint8_t readOneByte(uint16_t ReadAddr); // Read a byte at the specified address
static void writeOneByte(uint16_t WriteAddr, uint8_t DataToWrite); // Write a byte at the specified address
static void writeLenByte(uint16_t WriteAddr, uint32_t DataToWrite, uint8_t Len);// The specified address begins to write the data of the specified length
static uint32_t readLenByte(uint16_t ReadAddr, uint8_t Len); // The specified address starts to read the data of the specified length
static void write(uint16_t WriteAddr, uint8_t *pBuffer, uint16_t NumToWrite); // Write the specified length of data from the specified address
static void read(uint16_t ReadAddr, uint8_t *pBuffer, uint16_t NumToRead); // Read the data of the specified length from the specified address
static void init(); // Initialize IIC
static bool check(); // Check / recheck the device
static uint8_t readOneByte(uint16_t ReadAddr); // Read a byte at the specified address
static void writeOneByte(uint16_t WriteAddr, uint8_t DataToWrite); // Write a byte at the specified address
static void writeLenByte(uint16_t WriteAddr, uint32_t DataToWrite, uint8_t Len); // The specified address begins to write the data of the specified length
static uint32_t readLenByte(uint16_t ReadAddr, uint8_t Len); // The specified address starts to read the data of the specified length
static void write(uint16_t WriteAddr, uint8_t *pBuffer, uint16_t NumToWrite); // Write the specified length of data from the specified address
static void read(uint16_t ReadAddr, uint8_t *pBuffer, uint16_t NumToRead); // Read the data of the specified length from the specified address
};

2
Marlin/src/libs/hex_print_routines.cpp
View File

@ -23,7 +23,7 @@
#include "../inc/MarlinConfig.h"
#include "../gcode/parser.h"
#if ANY(AUTO_BED_LEVELING_UBL, M100_FREE_MEMORY_WATCHER, DEBUG_GCODE_PARSER, TMC_DEBUG)
#if ANY(AUTO_BED_LEVELING_UBL, M100_FREE_MEMORY_WATCHER, DEBUG_GCODE_PARSER, TMC_DEBUG, MARLIN_DEV_MODE)
#include "hex_print_routines.h"

8
Marlin/src/pins/stm32f1/pins_CREALITY_V4.h
View File

@ -47,12 +47,12 @@
#if ENABLED(IIC_BL24CXX_EEPROM)
#define IIC_EEPROM_SDA PA11
#define IIC_EEPROM_SCL PA12
//#define MARLIN_EEPROM_SIZE 0x4000 // 16Kb (24c16)
#define MARLIN_EEPROM_SIZE 0x800 // 2Kb (24C16)
#else
#define SDCARD_EEPROM_EMULATION // SD EEPROM until all EEPROM is BL24CXX
#define MARLIN_EEPROM_SIZE 0x800 // 2Kb
#endif
#define SDCARD_EEPROM_EMULATION // SD EEPROM until all EEPROM is BL24CXX
#define MARLIN_EEPROM_SIZE 0x1000 // 4Kb
// SPI
//#define SPI_EEPROM // EEPROM on SPI-0
//#define SPI_CHAN_EEPROM1 ?

1
buildroot/tests/STM32F103RET6_creality-tests
View File

@ -10,6 +10,7 @@ set -e
# Build with configs included in the PR
#
use_example_configs "Creality/Ender-3 V2"
opt_enable MARLIN_DEV_MODE
exec_test $1 $2 "Ender 3 v2"
restore_configs