DS3231 STM32F1 Hal Kütüphanesi

ds3231.c dosyası

#include "ds3231.h"

//--------------------------------------
char str[100];
uint8_t data[256];
uint16_t size;
uint8_t readBuf[7];

char * days[] = {
    "Sun",
    "Mon",
    "Tue",
    "Wed",
    "Thr",
    "Fri",
    "Sat"
};

struct Calendar {
    uint8_t sec, min, hour, day, date, month, year;
}
calendar;

uint8_t BCD2DEC(uint8_t c) {
    uint8_t ch = ((c >> 4) * 10 + (0x0F & c));
    return ch;
}

uint8_t DEC2BCD(uint8_t c) {
    uint8_t ch = ((c / 10) << 4) | (c % 10);
    return ch;
}

//--------------------------------------
void DS3231_sendData(I2C_HandleTypeDef hi, uint8_t DEV_ADDR) {
    uint8_t writeBuf[1];
    writeBuf[0] = 0;
    while (HAL_I2C_Master_Transmit( & hi, (uint16_t) DEV_ADDR,
            (uint8_t * ) & writeBuf, sizeof(writeBuf), (uint32_t) 1000) != HAL_OK) {
        if (HAL_I2C_GetError( & hi) != HAL_I2C_ERROR_AF) {
            size = sprintf((char * ) data, "DS3231 write failed\n");
        }
    }
}
//--------------------------------------
void DS3231_setDate(I2C_HandleTypeDef hi, uint8_t DEV_ADDR) {
    uint8_t data[8];

    data[DS3231_CONTROL] = 0; // should be zero REGISTER SELECT from that will start
    data[DS3231_SECONDS] = calendar.sec; //sec
    data[DS3231_MINUTES] = calendar.min; //min
    data[DS3231_HOURS] = calendar.hour; //hour
    data[DS3231_DAY] = calendar.day; //day
    data[DS3231_YEAR] = calendar.year; //year
    data[DS3231_MONTH] = calendar.month; //month
    data[DS3231_DATE] = calendar.date; //date

    while (HAL_I2C_Master_Transmit( & hi, (uint16_t) DEV_ADDR, (uint8_t * ) & data,
            8, (uint32_t) 1000) != HAL_OK) {
        if (HAL_I2C_GetError( & hi) != HAL_I2C_ERROR_AF) {
            size = sprintf((char * ) data, "DS3231 write failed\n");

        }
    }
}
//--------------------------------------
uint8_t * I2C_ReadRawData(I2C_HandleTypeDef hi, uint8_t DEV_ADDR) {
    while (HAL_I2C_Master_Receive( & hi, (uint16_t) DEV_ADDR, (uint8_t * ) & readBuf,
            (uint16_t) 7, (uint32_t) 1000) != HAL_OK) {
        if (HAL_I2C_GetError( & hi) != HAL_I2C_ERROR_AF) {
            size = sprintf((char * ) data, "DS3231 read failed\n");
        }
    }
    return readBuf;
}

void I2C_ReadCalendarData(I2C_HandleTypeDef hi, uint8_t DEV_ADDR) {
    while (HAL_I2C_Master_Receive( & hi, (uint16_t) DEV_ADDR, (uint8_t * ) & readBuf,
            (uint16_t) 7, (uint32_t) 1000) != HAL_OK) {
        if (HAL_I2C_GetError( & hi) != HAL_I2C_ERROR_AF) {
            size = sprintf((char * ) data, "DS3231 read failed\n");
        }
    }
    calendar.sec = readBuf[0];
    calendar.min = readBuf[1];
    calendar.hour = readBuf[2];
    calendar.day = readBuf[3];
    calendar.date = readBuf[4];
    calendar.month = readBuf[5];
    calendar.year = readBuf[6];
}

char * retrnAsString(uint8_t data) {
    static char res[2];
    uint8_t tempVal = BCD2DEC(data);
    sprintf(res, "%c%c", ((tempVal / 10) % 10) + 0x30, (tempVal % 10) + 0x30);
    return res;
}
uint8_t readIntSeconds() {
    return calendar.sec;
}

char * readSeconds() {
    return retrnAsString(calendar.sec);
}

char * readMinutes() {
    return retrnAsString(calendar.min);
}

char * readHours() {
    return retrnAsString(calendar.hour);
}

// Day Pazartesi ->Pazar
char * readDay() {
    static char res[2];
    uint8_t tempVal = BCD2DEC(calendar.day);
    sprintf(res, "%c", (tempVal % 10) + 0x30);
    return res;
}

char * readDate() {
    return retrnAsString(calendar.date);
}

char * readMonth() {
    return retrnAsString(calendar.month);
}

char * readYear() {
    return retrnAsString(calendar.year);
}

void setSeconds(uint8_t sec) {

    calendar.sec = DEC2BCD(sec);
}

void setMinutes(uint8_t min) {
    calendar.min = DEC2BCD(min);
}

void setHour(uint8_t hour) {
    calendar.hour = DEC2BCD(hour);
}

void setDay(uint8_t day) {
    calendar.day = DEC2BCD(day);
}

void setDate(uint8_t date) {
    calendar.date = DEC2BCD(date);
}

void setMonth(uint8_t month) {
    calendar.month = DEC2BCD(month);
}

void setYear(uint8_t year) {
    calendar.year = DEC2BCD(year);
}

STM32F103C8T6 16x2 LCD HAL Kütüphanesi

Herkese merhaba,

Youtube'da başlatmış olduğum CubeMX ile STM32F103 programlama serisinde kullandığım LCD HAL kütüphanesini burada paylaşıyorum.

Öncelikle kütüphanenin orijinalinin bulunduğu blog sayfasının linkini paylaşmak istiyorum.

Kütüphanenin Orijinal Halinin bulunduğu Blog Sayfası

https://maviled.wordpress.com/2016/08/23/lcd-kutuphanesi-stm32-hal-lib/


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