I2C and RTC DS1307 🔴 PIC Microcontroller Programming Tutorial #11 MPLAB in C

In this PIC programming tutorial I will demonstrates how to setup the I2C in master mode and using a DS1307 real time clock. Using the XC8 compiler with MPLAB X and a PIC18F4520 PIC microcontroller.

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00:00 Intro
00:06 PIC Microcontroller Schematic
00:35 PIC Microcontroller Datasheet I2C
05:23 DS1307 Datasheet
07:00 Code Overview
07:50 I2C Code
14:07 DS1307 Code
19:24 I2C/DS1307 Demo
19:41 Outro

#picprogramming #picmicrocontroller #MPLAB

[BinderTronics]

If there is anything you would like to see let me know.

[parthbaraiya]

Really very good Video, actually every video is great. Please keep it up make more videos. Thank you

[leventdemirci]

you are good man thak you for tutorial

[ユンユン-by]

I really appreciate you! can you make 1 video about i2c communication between 2 pic 18f4520. that will help me a lot <3

[robinight]

Very good .... the best I2C tutorial I've seen.
I have a 16f15376 pic and the datasheet is very similar to the one it presented.
I followed it step by step, but couldn't make the SDA and SCL outputs generate the square waves they were supposed to.
Could you take a look at my code?
thanks

[parthbaraiya]

i worked on I2C and i used RFID device PN532 of adafruit so do you think it is compatible with the PIC microcontroller?
2) do you think every component is compatible with every Microcontroller?

[naylinaungaung]

Don't understand the meaning of
uint8_t YearL:4;
uint8_t YearH:4;

.
.
.
etc.
Could u explain? thz u

[alikhorami]

when i recv from slave i always get 0xFF
what is the problem??
unsigned char i2c_read(unsigned char ack)
{
unsigned char res;

i2c_wait_if_busy();
SSPCON2bits.RCEN = 1;
while (!SSPSTATbits.BF);
w8();
res = SSPBUF;
SSPCON2bits.ACKDT = ack;
SSPCON2bits.ACKEN = 1;

return res;
}
w8 function waits for SSPIF and clear it again
and wait if busy just waits if bus is busy