void lcdPutChar(char_t c)
{
if(c == '\r')
{
lcdColumn = 0;
}
else if(c == '\n')
{
lcdColumn = 0;
lcdLine++;
}
else if(lcdLine < 2 && lcdColumn < 19)
{
//Set cursor
if(lcdLine == 0)
OLED_set_cursor(FIRST_LINE, lcdColumn);
else
OLED_set_cursor(SECOND_LINE, lcdColumn);
//Display current character
OLED_write_char(c);
//Advance the cursor position
if(++lcdColumn >= 19)
{
lcdColumn = 0;
lcdLine++;
}
}
}
/***************************************************************************//**
OLED_init()
See "oled.h" for details of how to use this function.
*/
void OLED_init(void )
{
uint8_t oled_init_sequence1[] =
{
OLED_COMMAND_CODE, CMD_DISPLAY_NON_INV,
OLED_COMMAND_CODE, CMD_DISPLAY_ALL_OFF,
OLED_COMMAND_CODE, CMD_MIRROR_HORI_ON,
OLED_COMMAND_CODE, CMD_MIRROR_VERT_OFF,
OLED_COMMAND_CODE, CMD_HORI_SCRL_OFF,
OLED_COMMAND_CODE, CMD_CONTRAST,
OLED_COMMAND_CODE, CONTRAST_DEFAULT,
OLED_COMMAND_CODE, CMD_ARECOL_LPM,
OLED_COMMAND_CODE, CMD_ARECOL_MONO^CMD_LPM_OFF
};
uint8_t oled_init_sequence2[] =
{
OLED_COMMAND_CODE, CMD_START_LINE,
OLED_COMMAND_CODE, CMD_PANEL_ON
};
MSS_I2C_init( g_p_oled_i2c, OLED_SLAVE_ADDRESS, MSS_I2C_PCLK_DIV_60 );
MSS_I2C_write( g_p_oled_i2c, OLED_SLAVE_ADDRESS, oled_init_sequence1, sizeof(oled_init_sequence1), MSS_I2C_RELEASE_BUS );
MSS_I2C_wait_complete( g_p_oled_i2c );
OLED_clear_display(BOTH_LINES);
MSS_I2C_write( g_p_oled_i2c, OLED_SLAVE_ADDRESS, oled_init_sequence2, sizeof(oled_init_sequence2), MSS_I2C_RELEASE_BUS );
MSS_I2C_wait_complete( g_p_oled_i2c );
OLED_set_cursor( FIRST_LINE, FIRST_CHARACTER );
}
/***************************************************************************//**
OLED_write_data()
See "oled.h" for details of how to use this function.
*/
void OLED_write_data(struct oled_data* data, oled_no_of_line LINES)
{
uint8_t line;
uint8_t char_offset;
char *string;
switch(LINES)
{
case FIRST_LINE:
{
OLED_clear_display(FIRST_LINE);
line = data->line1;
char_offset = data->char_offset1;
string = data->string1;
}
case SECOND_LINE:
{
OLED_clear_display(SECOND_LINE);
line = data->line2;
char_offset = data->char_offset2;
string = data->string2;
}
case BOTH_LINES:
{
OLED_clear_display(BOTH_LINES);
line = data->line1;
char_offset = data->char_offset1;
string = data->string1;
OLED_set_cursor(line,char_offset);
OLED_write_string(string);
line = data->line2;
char_offset = data->char_offset2;
string = data->string2;
}
OLED_set_cursor(line,char_offset);
OLED_write_string(string);
OLED_contrast(data->contrast_val);
}
}
/***************************************************************************//**
OLED_clear_display()
See "oled.h" for details of how to use this function.
*/
void OLED_clear_display( oled_no_of_line LINES )
{
uint8_t i, j,start_line,end_line;
uint8_t clear_8_columns[] =
{
OLED_DATA_CODE, 0x00,
OLED_DATA_CODE, 0x00,
OLED_DATA_CODE, 0x00,
OLED_DATA_CODE, 0x00,
OLED_DATA_CODE, 0x00,
OLED_DATA_CODE, 0x00,
OLED_DATA_CODE, 0x00,
OLED_DATA_CODE, 0x00
};
switch(LINES)
{
case FIRST_LINE:
{
start_line = FIRST_LINE;
end_line = FIRST_LINE;
}
case SECOND_LINE:
{
start_line = SECOND_LINE;
end_line = SECOND_LINE;
}
case BOTH_LINES:
{
start_line = FIRST_LINE;
end_line = SECOND_LINE;
}
}
for( j = start_line; j <= end_line; ++j )
{
OLED_set_cursor( j, FIRST_CHARACTER );
for( i = 0; i < 13; ++i )
{
MSS_I2C_write( g_p_oled_i2c, OLED_SLAVE_ADDRESS, clear_8_columns, sizeof(clear_8_columns), MSS_I2C_RELEASE_BUS );
MSS_I2C_wait_complete( g_p_oled_i2c );
}
}
}
