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Angoosh Leviocki 2021-11-12 12:03:44 +01:00
parent db141c586d
commit e9e6d9df75
4 changed files with 116 additions and 0 deletions
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42
AT24CSW.c Normal file
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/*
* AT24CSW.c
*
* Created on: Nov 12, 2021
* Author: angoosh
*/
#include "AT24CSW.h"
#include "main.h"
extern I2C_HandleTypeDef AT24CSW_I2C_HANDLE;
int AT24CSW_Read_Memory(uint8_t address, uint8_t size, uint8_t *data);
int AT24CSW_Page_Write(uint8_t address, uint8_t *bytes);
int AT24CSW_Byte_Write(uint8_t address, uint8_t byte);
int AT24CSW_Byte_Write(uint8_t address, uint8_t byte){
uint8_t data[2] = {address,byte};
HAL_I2C_Master_Transmit(&AT24CSW_I2C_HANDLE, (AT24CSW_ADDRESS << 1), data, 3, 0xFFFF);
return 0;
}
int AT24CSW_Page_Write(uint8_t address, uint8_t *bytes){
uint8_t data[9];
data[0] = address;
for(int i = 0; i < 8; i++){
data[i+1] = bytes[i];
}
HAL_I2C_Master_Transmit(&AT24CSW_I2C_HANDLE, (AT24CSW_ADDRESS << 1), data, 3, 0xFFFF);
return 0;
}
int AT24CSW_Read_Memory(uint8_t address, uint8_t size, uint8_t *data){
uint8_t memContent[256];
HAL_I2C_Master_Receive(&AT24CSW_I2C_HANDLE, (AT24CSW_ADDRESS << 1), memContent, 0xFF, 0xFFFF);
for(int i = 0; i < size; i++){
data[i] = memContent[address+i];
}
return 0;
}

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AT24CSW.h Normal file
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/*
* AT24CSW.h
*
* Created on: Nov 12, 2021
* Author: angoosh
*/
/*
* Page wite writes 8 bytes to whole page or memory row => bytes A7-A3 are the same
* Word address 11111111 is reserved
*/
#ifndef INC_AT24CSW_H_
#define INC_AT24CSW_H_
#include "stm32l0xx_hal.h"
#define PRODUCT_LAST_NUMBER 0
#define AT24CSW_ADDRESS 0b1010000 + PRODUCT_LAST_NUMBER
#define AT24CSW_SEC_ADDRESS 0b1011000 + PRODUCT_LAST_NUMBER
int AT24CSW_Read_Memory(uint8_t address, uint8_t size, uint8_t *data);
int AT24CSW_Page_Write(uint8_t address, uint8_t *bytes);
int AT24CSW_Byte_Write(uint8_t address, uint8_t byte);
#endif /* INC_AT24CSW_H_ */

21
MCP40D18.c Normal file
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/*
* MCP40D18.c
*
* Created on: Sep 16, 2021
* Author: angoosh
*/
#include "MCP40D18.h"
#include "main.h"
void SetPotPosition(uint8_t pos);
extern I2C_HandleTypeDef MCP40D18_I2C_HANDLE;
void SetPotPosition(uint8_t pos){
if(pos < 128){
uint8_t data[2] = {0,pos};
HAL_I2C_Master_Transmit(&MCP40D18_I2C_HANDLE, (MCP_I2C_ADDRESS << 1), data, 2, 0xFFFF);
}
}

23
MCP40D18.h Normal file
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/*
* MCP40D18.h
*
* Created on: Sep 16, 2021
* Author: angoosh
*/
#ifndef INC_MCP40D18_H_
#define INC_MCP40D18_H_
#include "stm32l0xx_hal.h"
#define IS_ALT_ADDRESS
#ifdef IS_ALT_ADDRESS
#define MCP_I2C_ADDRESS 0x3E //0111110
#else
#define MCP_I2C_ADDRESS 0x2E //0101110
#endif
void SetPotPosition(uint8_t pos);
#endif /* INC_MCP40D18_H_ */