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Pixel by Pixel scrolling

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Closes #140
This commit is contained in:
Ben V. Brown
2017-12-12 11:53:43 +11:00
parent 9d536c4d25
commit c5c89a516e
4 changed files with 64 additions and 48 deletions
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2
workspace/TS100/inc/Translation.h
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@@ -23,7 +23,7 @@ extern const char SettingRightChar;
extern const char SettingLeftChar;
extern const char SettingAutoChar;
//#define LANG_EN
#define LANG_EN
//#define LANG_RU
//#define LANG_ES
//#define LANG_SE

91
workspace/TS100/src/OLED.cpp
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@@ -63,7 +63,8 @@ void OLED::initialize() {
HAL_GPIO_WritePin(OLED_RESET_GPIO_Port, OLED_RESET_Pin, GPIO_PIN_SET);
HAL_Delay(5);
//Send the setup settings
HAL_I2C_Master_Transmit(i2c, DEVICEADDR_OLED, (uint8_t*) OLED_Setup_Array, configLength, 0xFFFF);
HAL_I2C_Master_Transmit(i2c, DEVICEADDR_OLED, (uint8_t*) OLED_Setup_Array,
configLength, 0xFFFF);
//displayOnOff(true);
}
@@ -73,9 +74,9 @@ void OLED::refresh() {
screenBuffer[0] = 0x80;
screenBuffer[1] = 0x21;
screenBuffer[2] = 0x80;
screenBuffer[3] = inLeftHandedMode ? 0 : 32; //display is shifted by 32 in left handed mode as driver ram is 128 wide
screenBuffer[3] = inLeftHandedMode ? 0 : 32; //display is shifted by 32 in left handed mode as driver ram is 128 wide
screenBuffer[4] = 0x80;
screenBuffer[5] = inLeftHandedMode ? 95 : 0x7F; //End address of the ram segment we are writing to (96 wide)
screenBuffer[5] = inLeftHandedMode ? 95 : 0x7F; //End address of the ram segment we are writing to (96 wide)
screenBuffer[6] = 0x80; //Set pages to rollover after 2
screenBuffer[7] = 0x22;
@@ -88,7 +89,8 @@ void OLED::refresh() {
taskENTER_CRITICAL();
//Because I2C is shared, we cant task switch in the middle of the xfer
HAL_I2C_Master_Transmit(i2c, DEVICEADDR_OLED, screenBuffer, 12 + 96 * 2 + 1, 0xFFFF);
HAL_I2C_Master_Transmit(i2c, DEVICEADDR_OLED, screenBuffer, 12 + 96 * 2 + 1,
0xFFFF);
taskEXIT_CRITICAL();
}
@@ -99,42 +101,49 @@ void OLED::refresh() {
* Precursor is the command char that is used to select the table.
*/
void OLED::drawChar(char c, char PrecursorCommand) {
if (c < ' ') {
return;
}
if (c < ' ') {
return;
}
//We are left with
uint8_t* charPointer;
//We are left with
uint8_t* charPointer;
uint16_t index = 0;
if (PrecursorCommand == 0) {
//Fonts are offset to start at the space char
index = (c - ' ');
}
else {
//This is for extended range
//We decode the precursor command to find the offset
//Latin starts at 96
c -= 0x80;
uint16_t index = 0;
if (PrecursorCommand == 0) {
//Fonts are offset to start at the space char
index = (c - ' ');
} else {
//This is for extended range
//We decode the precursor command to find the offset
//Latin starts at 96
c -= 0x80;
switch (PrecursorCommand) {
switch (PrecursorCommand) {
case 0xC2: index = (96 - 32) + (c); break; //-32 compensate for chars excluded from font C2 section
case 0xC3: index = (128) + (c); break;
case 0xD0: index = (192) + (c); break;
case 0xD1: index = (256) + (c); break;
case 0xC2:
index = (96 - 32) + (c);
break; //-32 compensate for chars excluded from font C2 section
case 0xC3:
index = (128) + (c);
break;
case 0xD0:
index = (192) + (c);
break;
case 0xD1:
index = (256) + (c);
break;
default: return;
}
}
default:
return;
}
}
charPointer = ((uint8_t*) currentFont) + ((fontWidth * (fontHeight / 8)) * index);
charPointer = ((uint8_t*) currentFont)
+ ((fontWidth * (fontHeight / 8)) * index);
if (cursor_x >= 0 && cursor_x < 96) {
drawArea(cursor_x, cursor_y, fontWidth, fontHeight, charPointer);
}
drawArea(cursor_x, cursor_y, fontWidth, fontHeight, charPointer);
cursor_x += fontWidth;
cursor_x += fontWidth;
}
void OLED::displayOnOff(bool on) {
@@ -165,7 +174,8 @@ void OLED::setRotation(bool leftHanded) {
}
taskENTER_CRITICAL();
HAL_I2C_Master_Transmit(i2c, DEVICEADDR_OLED, (uint8_t*) OLED_Setup_Array, 50, 0xFFFF);
HAL_I2C_Master_Transmit(i2c, DEVICEADDR_OLED,
(uint8_t*) OLED_Setup_Array, 50, 0xFFFF);
taskEXIT_CRITICAL();
inLeftHandedMode = leftHanded;
}
@@ -257,26 +267,31 @@ void OLED::drawBattery(uint8_t state) {
void OLED::drawSymbol(uint8_t symbolID) {
//draw a symbol to the current cursor location
setFont(2);
drawChar(' ' + symbolID); // space offset is in all fonts, so we pad it here and remove it later
drawChar(' ' + symbolID); // space offset is in all fonts, so we pad it here and remove it later
setFont(0);
}
//Draw an area, but y must be aligned on 0/8 offset
void OLED::drawArea(int16_t x, int8_t y, uint8_t wide, uint8_t height, const uint8_t* ptr) {
void OLED::drawArea(int16_t x, int8_t y, uint8_t wide, uint8_t height,
const uint8_t* ptr) {
// Splat this from x->x+wide in two strides
if (x < 0)
return; //cutoffleft
if ((x + wide) > 96)
if ((x) > 96)
return; //cutoff right
uint8_t width = wide;
if ((x + wide) > 96)
width = 96 - x; // trimming to draw partials
if (y == 0) {
//Splat first line of data
for (uint8_t xx = 0; xx < (wide); xx++) {
for (uint8_t xx = 0; xx < (width); xx++) {
firstStripPtr[xx + x] = ptr[xx];
}
}
if (y == 8 || height == 16) {
// Splat the second line
for (uint8_t xx = 0; xx < wide; xx++) {
for (uint8_t xx = 0; xx < width; xx++) {
secondStripPtr[x + xx] = ptr[xx + (height == 16 ? wide : 0)];
}

9
workspace/TS100/src/main.cpp
View File

@@ -314,7 +314,8 @@ static void gui_settingsMenu() {
settingsResetRequest = false;
bool earlyExit = false;
uint32_t descriptionStart = 0;
while ((settingsMenu[currentScreen].incrementHandler.func != NULL) && earlyExit == false) {
while ((settingsMenu[currentScreen].incrementHandler.func != NULL)
&& earlyExit == false) {
lcd.setFont(0);
lcd.clearScreen();
lcd.setCursor(0, 0);
@@ -331,9 +332,9 @@ static void gui_settingsMenu() {
descriptionStart = HAL_GetTick();
int16_t descriptionOffset = (((HAL_GetTick() - descriptionStart)
/ 150) % maxOffset);
/ 10) % (maxOffset * 12));
//^ Rolling offset based on time
lcd.setCursor(12 * (7 - descriptionOffset), 0);
lcd.setCursor(((7 * 12) - descriptionOffset), 0);
lcd.print(settingsMenu[currentScreen].description);
}
@@ -376,7 +377,7 @@ static void gui_settingsMenu() {
}
lcd.refresh(); //update the LCD
GUIDelay();
osDelay(20);
HAL_IWDG_Refresh(&hiwdg);
}