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Marián 2020-11-02 13:33:31 +01:00 committed by GitHub
parent 8c4be71f9b
commit e879a58bf9
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2 changed files with 32 additions and 18 deletions
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39
lib/ssd1306.c
View File

@ -96,7 +96,7 @@
/** @array Init command */
const uint8_t INIT_SSD1306[] PROGMEM = {
// number of initializers
17,
18,
// 0xAE = Set Display OFF
// -----------------------------------
0, SSD1306_DISPLAY_OFF,
@ -144,7 +144,7 @@ const uint8_t INIT_SSD1306[] PROGMEM = {
1, SSD1306_SET_CHAR_REG, 0x14,
// 0xAF = Set Display ON
// -----------------------------------
// 0, SSD1306_DISPLAY_ON
0, SSD1306_DISPLAY_ON
};
// @var global - set area
@ -364,13 +364,13 @@ char SSD1306_InverseScreen(void)
}
/**
* @desc SSD1306 Screen On
* @desc SSD1306 Update Screen On
*
* @param void
*
* @return char
*/
char SSD1306_ScreenOn(void)
char SSD1306_UpdateScreen(void)
{
// init status
char status = INIT_STATUS;
@ -400,14 +400,23 @@ char SSD1306_ScreenOn(void)
/**
* @desc SSD1306 Send Command
*
* @param char
* @param void
*
* @return char
*/
char SSD1306_ClearScreen(char color)
char SSD1306_ClearScreen(void)
{
// init status
char status = INIT_STATUS;
short int i = 0;
// update - null col, increment page
status = SSD1306_SetPosition(0, 0);
// request
if (SSD1306_SUCCESS != status) {
// error
return status;
}
// TWI: start & SLAW
// -------------------------
@ -429,16 +438,19 @@ char SSD1306_ClearScreen(char color)
// erase whole area
// -------------------------
while (set_area--) {
while (i < set_area) {
// send null data
status = TWI_MT_Send_Data(color);
status = TWI_MT_Send_Data(0x00);
// request - start TWI
if (SSD1306_SUCCESS != status) {
// error
return status;
}
// increment
i++;
}
// stop TWI
TWI_Stop();
@ -579,7 +591,7 @@ char SSD1306_UpdTxtPosition(void)
char SSD1306_DrawChar(char character)
{
// variables
uint8_t idxCol=0;
uint8_t idxCol = 0;
// init status
char status = INIT_STATUS;
@ -609,7 +621,6 @@ char SSD1306_DrawChar(char character)
// loop through 5 bits
while (idxCol < CHARS_COLS_LENGTH) {
// send control byte data
// -------------------------
status = TWI_MT_Send_Data(pgm_read_byte(&FONTS[character-32][idxCol]));
@ -690,7 +701,7 @@ char SSD1306_SendByte(char data)
}
/**
* @desc Send Bytes
* @desc Send Same Bytes
*
* @param char
* @param char
@ -778,10 +789,11 @@ char SSD1306_DrawString(char *str)
}
/**
* @desc Draw pixel
* @desc Draw horizontal line
*
* @param char
* @param char
* @param char
*
* @return void
*/
@ -790,11 +802,12 @@ char SSD1306_DrawLineHorizontal(char x, char y, char len)
char page = 0;
char pixel = 0;
// if out of range
if ((x > MAX_X) && (y > MAX_Y)) {
// out of range
return SSD1306_ERROR;
}
// y/8
// find page
page = y / 8;
// which pixel
pixel |= 1 << (y % 8);

11
lib/ssd1306.h
View File

@ -118,11 +118,11 @@
/**
* @desc SSD1306 Clear Screen
*
* @param char
* @param void
*
* @return char
*/
char SSD1306_ClearScreen(char);
char SSD1306_ClearScreen(void);
/**
* @desc SSD1306 Normal Colors
@ -180,13 +180,13 @@
char SSD1306_DrawString(char *);
/**
* @desc SSD1306 Screen On
* @desc SSD1306 Update Screen On
*
* @param void
*
* @return char
*/
char SSD1306_ScreenOn(void);
char SSD1306_UpdateScreen(void);
/**
* @desc Update index
@ -202,6 +202,7 @@
*
* @param char
* @param char
* @param char
*
* @return void
*/
@ -217,7 +218,7 @@
char SSD1306_SendByte(char);
/**
* @desc Send Bytes
* @desc Send Same Bytes
*
* @param char
* @param char