Library Description

The library initializes and defines the I2C bus driver that offers a choice for writing data in the register. The library includes a function for displaying one character, image, or rectangle drawing. The user also has the function for display refresh and control all LEDs.

Key functions:

• void c16x9g_drawPoint(uint8_t x, uint8_t y, uint8_t pwm) - Functions for draw point 
• void c16x9g_displayByte(char ch, uint8_t frame, uint8_t pwm) - Function for displaying one character
• void c16x9g_displayRefresh() - Function for refresh display
• void c16x9g_displayImage(uint8_t *pImage, uint8_t frame, uint8_t pwm) - Image display function

Example description

The application is composed of three sections:

• System Initialization -  Initializes I2C module
• Application Initialization - Initializes driver init
• Application Task - (code snippet) - Display character, image and rectangle every 1 second.

void applicationTask()
{
 c16x9g_displayRefresh();
 c16x9g_displayByte(demoChar, C16X9G_FRAME_1, 250);
 Delay_1sec();

 c16x9g_displayRefresh();
 c16x9g_displayImage(&demoImageOn[0], C16X9G_FRAME_1, 250);
 Delay_1sec();

 c16x9g_displayRefresh();
 c16x9g_displayImage(&demoImageOff[0], C16X9G_FRAME_1, 250);
 Delay_1sec();

 c16x9g_displayRefresh();
 c16x9g_drawRectangle(1,4,6,4,250);
 Delay_1sec();
}

Other MikroElektronika libraries used in the example:

• I2C

Additional notes and information

Depending on the development board you are using, you may need USB UART click, USB UART 2 click or RS232 click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.