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Merge pull request #60 from penfold42/i2cdelta 

Oled display optimisations and small things
This commit is contained in:
Stephen White 2018-08-04 17:16:53 +10:00 committed by GitHub
parent 4adbe3f560 457293c091
commit 2819392170
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 95 additions and 41 deletions
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2
src/DiskCaddy.cpp
View File

@ -318,6 +318,8 @@ void DiskCaddy::ShowSelectedImage(u32 index)
const char* name = image->GetName();
if (name)
{
memset(buffer, ' ', screenLCD->Width()/screenLCD->GetFontWidth());
screenLCD->PrintText(false, x, y, buffer, BkColour, BkColour);
snprintf(buffer, 256, "%d %s", caddyIndex + 1, name);
screenLCD->PrintText(false, x, y, buffer, RGBA(0xff, 0xff, 0xff, 0xff), caddyIndex == index ? RGBA(0xff, 0xff, 0xff, 0xff) : BkColour);
y += LCDFONTHEIGHT;

12
src/FileBrowser.cpp
View File

@ -81,6 +81,10 @@ void FileBrowser::BrowsableListView::RefreshLine(u32 entryIndex, u32 x, u32 y, b
FileBrowser::BrowsableList::Entry* entry = &list->entries[entryIndex];
if (screen->IsMonocrome())
{
// pre-clear line on OLED
memset(buffer1, ' ', columnsMax);
screen->PrintText(false, x, y, buffer1, BkColour, BkColour);
if (entry->filImage.fattrib & AM_DIR)
{
snprintf(buffer2, 256, "[%s]", entry->filImage.fname);
@ -106,9 +110,14 @@ void FileBrowser::BrowsableListView::RefreshLine(u32 entryIndex, u32 x, u32 y, b
}
int len = strlen(buffer2 + highlightScrollOffset);
strncpy(buffer1, buffer2 + highlightScrollOffset, sizeof(buffer1));
if (!screen->IsMonocrome())
{
// space pad the remainder of the line (but not on OLED==monochrome)
while (len < (int)columnsMax)
buffer1[len++] = ' ';
buffer1[columnsMax] = 0;
}
if (selected)
{
@ -140,7 +149,7 @@ void FileBrowser::BrowsableListView::RefreshLine(u32 entryIndex, u32 x, u32 y, b
}
}
}
else
else // line is blank, write spaces
{
memset(buffer1, ' ', columnsMax);
screen->PrintText(false, x, y, buffer1, BkColour, BkColour);
@ -548,6 +557,7 @@ void FileBrowser::RefreshFolderEntries()
f_closedir(&dir);
strcpy(entry.filImage.fname, "..");
entry.filImage.fattrib |= AM_DIR;
entry.filIcon.fname[0] = 0;
folder.entries.push_back(entry);

8
src/InputMappings.cpp
View File

@ -23,6 +23,7 @@
extern "C"
{
#include "rpi-aux.h"
extern void reboot_now(void);
}
// If disk swaps can be done via multiple cores then directDiskSwapRequest needs to be volatile. WARNING: volatile acesses can be very expensive.
@ -152,6 +153,9 @@ bool InputMappings::CheckKeyboardBrowseMode()
keyboardFlags = 0;
if (keyboard->KeyHeld(KEY_DELETE) && keyboard->KeyLCtrlAlt() )
reboot_now();
if (keyboard->KeyHeld(KEY_ESC))
SetKeyboardFlag(ESC_FLAG);
else if (keyboard->KeyHeld(KEY_ENTER))
@ -245,6 +249,10 @@ void InputMappings::CheckKeyboardEmulationMode(unsigned numberOfImages, unsigned
keyboardFlags = 0;
if (keyboard->CheckChanged())
{
if (keyboard->KeyHeld(KEY_DELETE) && keyboard->KeyLCtrlAlt() )
reboot_now();
if (keyboard->KeyHeld(KEY_ESC))
SetKeyboardFlag(ESC_FLAG);
else if (keyboard->KeyHeld(KEY_PAGEUP))

19
src/Keyboard.h
View File

@ -340,17 +340,14 @@ public:
u64 mask = 1ULL << (rawKey & 0x3f);
return (keyStatus[keyStatusIndex] & mask);
}
inline bool KeyAnyHeld()
{
return (keyStatus[0] | keyStatus[1]);
}
inline bool KeyEitherAlt()
{
return (modifier & (KEY_MOD_LALT | KEY_MOD_RALT) );
}
inline bool KeyNoModifiers()
{
return (!modifier );
}
{ return (keyStatus[0] | keyStatus[1]); }
inline bool KeyEitherAlt() { return (modifier & (KEY_MOD_LALT | KEY_MOD_RALT) ); }
inline bool KeyNoModifiers() { return (!modifier ); }
inline bool KeyLCtrlAlt() { return (modifier == (KEY_MOD_LALT | KEY_MOD_LCTRL) ); }
};
#endif

45
src/SSD1306.cpp
View File

@ -25,8 +25,6 @@ extern "C"
#include "xga_font_data.h"
}
unsigned char frame[SSD1306_128x64_BYTES];
SSD1306::SSD1306(int BSCMaster, u8 address, unsigned width, unsigned height, int flip, LCD_MODEL type)
: BSCMaster(BSCMaster)
, address(address)
@ -36,8 +34,10 @@ SSD1306::SSD1306(int BSCMaster, u8 address, unsigned width, unsigned height, int
, width(width)
, height(height)
{
sizeof_frame = width*height/8;
frame = (unsigned char *)malloc(sizeof_frame);
oldFrame = (unsigned char *)malloc(sizeof_frame);
RPI_I2CInit(BSCMaster, 1);
InitHardware();
}
@ -117,10 +117,10 @@ void SSD1306::SendData(u8 data)
void SSD1306::Home()
{
MoveCursorByte(0, 0);
SetDataPointer(0, 0);
}
void SSD1306::MoveCursorByte(u8 page, u8 col)
void SSD1306::SetDataPointer(u8 page, u8 col)
{
if (col > width-1) { col = width-1; }
if (page > height/8-1) { page = height/8-1; }
@ -142,7 +142,8 @@ void SSD1306::RefreshScreen()
}
}
void SSD1306::RefreshRows(u32 start, u32 amountOfRows)
// assumes a text row is 16 bit high
void SSD1306::RefreshTextRows(u32 start, u32 amountOfRows)
{
unsigned int i;
@ -154,6 +155,10 @@ void SSD1306::RefreshRows(u32 start, u32 amountOfRows)
}
}
// Some very basic optimisation is implemented.
// it scans the page to work out the first (new_start) and last (new_end) changed bytes
// Only update that window on the OLED
// If someone is keen, a smarter algorithm could work out a series of ranges to update
void SSD1306::RefreshPage(u32 page)
{
if (page >= height/8)
@ -170,16 +175,33 @@ void SSD1306::RefreshPage(u32 page)
int start = page*width;
int end = start + width;
MoveCursorByte(page, 0);
int new_start = -1;
int new_end = -1;
for (i = start; i < end; i++)
{
if (oldFrame[i] ^ frame[i])
{
if (new_start == -1)
new_start = i;
new_end = i;
}
}
if (new_start >= 0)
{
SetDataPointer(page, new_start-start);
for (i = new_start; i <= new_end; i++)
{
SendData(frame[i]);
oldFrame[i] = frame[i];
}
}
}
void SSD1306::ClearScreen()
{
memset(frame, 0, sizeof(frame));
memset(frame, 0, sizeof_frame);
memset(oldFrame, 0xff, sizeof_frame); // to force update
RefreshScreen();
}
@ -210,6 +232,7 @@ void SSD1306::SetVCOMDeselect(u8 value)
void SSD1306::PlotText(int x, int y, char* str, bool inverse)
{
// assumes 16 character width
int i;
i = 0;
while (str[i] && x < 16)
@ -258,9 +281,9 @@ void SSD1306::PlotPixel(int x, int y, int c)
{
switch (c)
{
case 1: frame[x+ (y/8)*SSD1306_LCDWIDTH] |= (1 << (y&7)); break;
case 0: frame[x+ (y/8)*SSD1306_LCDWIDTH] &= ~(1 << (y&7)); break;
case -1: frame[x+ (y/8)*SSD1306_LCDWIDTH] ^= (1 << (y&7)); break;
case 1: frame[x+ (y/8)*width] |= (1 << (y&7)); break;
case 0: frame[x+ (y/8)*width] &= ~(1 << (y&7)); break;
case -1: frame[x+ (y/8)*width] ^= (1 << (y&7)); break;
}
}

17
src/SSD1306.h
View File

@ -18,6 +18,8 @@
#ifndef SSD1306_H
#define SSD1306_H
#include <stdlib.h>
#include "types.h"
extern "C"
{
@ -66,10 +68,7 @@ extern "C"
//0000000 | 0
//________________________________________________________
#define SSD1306_LCDWIDTH 128
#define SSD1306_LCDHEIGHT 64
#define SSD1306_128x64_BYTES ((SSD1306_LCDWIDTH * SSD1306_LCDHEIGHT) / 8)
#define SSD1306_128x64_BYTES ((128 * 64) / 8)
class SSD1306
{
@ -91,7 +90,7 @@ public:
void ClearScreen();
void RefreshScreen();
void RefreshPage(u32 page);
void RefreshRows(u32 start, u32 amountOfRows);
void RefreshTextRows(u32 start, u32 amountOfRows);
void SetDisplayWindow(u8 x1, u8 y1, u8 x2, u8 y2);
void PlotPixel(int x, int y, int c);
void PlotImage(const unsigned char * source);
@ -101,9 +100,13 @@ protected:
void SendData(u8 data);
void Home();
void MoveCursorByte(u8 row, u8 col);
void SetDataPointer(u8 row, u8 col);
unsigned char frame[SSD1306_128x64_BYTES];
// unsigned char frame[SSD1306_128x64_BYTES];
// unsigned char oldFrame[SSD1306_128x64_BYTES];
unsigned char * frame;
unsigned char * oldFrame;
unsigned sizeof_frame;
int BSCMaster;
u8 address;

2
src/ScreenLCD.cpp
View File

@ -127,5 +127,5 @@ void ScreenLCD::SwapBuffers()
void ScreenLCD::RefreshRows(u32 start, u32 amountOfRows)
{
if (ssd1306)
ssd1306->RefreshRows(start, amountOfRows);
ssd1306->RefreshTextRows(start, amountOfRows);
}

21
src/main.cpp
View File

@ -441,9 +441,9 @@ void UpdateScreen()
u32 textColour = COLOUR_BLACK;
u32 bgColour = COLOUR_WHITE;
RGBA atnColour = COLOUR_YELLOW;
RGBA dataColour = COLOUR_GREEN;
RGBA clockColour = COLOUR_CYAN;
RGBA atnColour = COLOUR_YELLOW;
RGBA BkColour = FileBrowser::Colour(VIC2_COLOUR_INDEX_BLUE);
int height = screen.ScaleY(60);
@ -487,6 +487,9 @@ void UpdateScreen()
//refreshUartStatusDisplay = true;
}
if (options.GraphIEC())
screen.DrawLineV(graphX, top3, bottom, BkColour);
value = IEC_Bus::GetPI_Atn();
if (options.GraphIEC())
{
@ -497,7 +500,6 @@ void UpdateScreen()
}
else
{
screen.DrawLineV(graphX, top3, bottom, BkColour);
if (value) screen.PlotPixel(graphX, top3, atnColour);
else screen.PlotPixel(graphX, bottom, atnColour);
}
@ -520,7 +522,6 @@ void UpdateScreen()
}
else
{
screen.DrawLineV(graphX, top2, bottom, BkColour);
if (value) screen.PlotPixel(graphX, top2, dataColour);
else screen.PlotPixel(graphX, bottom, dataColour);
}
@ -543,7 +544,6 @@ void UpdateScreen()
}
else
{
screen.DrawLineV(graphX, top, bottom, BkColour);
if (value) screen.PlotPixel(graphX, top, clockColour);
else screen.PlotPixel(graphX, bottom, clockColour);
}
@ -557,6 +557,9 @@ void UpdateScreen()
}
if (graphX++ > screenWidthM1) graphX = 0;
// black vertical line ahead of graph
if (options.GraphIEC())
screen.DrawLineV(graphX, top3, bottom, COLOUR_BLACK);
u32 track = pi1541.drive.Track();
if (track != oldTrack)
@ -690,9 +693,13 @@ void emulator()
{
IEC_Bus::VIA = 0;
IEC_Bus::Reset();
// workaround for occasional oled curruption
if (screenLCD)
screenLCD->ClearInit(0);
roms.ResetCurrentROMIndex();
fileBrowser->ClearScreen();
IEC_Bus::Reset();
fileBrowserSelectedName = 0;
fileBrowser->ClearSelections();
@ -948,6 +955,10 @@ void emulator()
if (diskCaddy.Empty())
IEC_Bus::WaitMicroSeconds(2 * 1000000);
// workaround for occasional oled curruption
// if (screenLCD)
// screenLCD->ClearInit(0);
fileBrowser->ClearSelections();
fileBrowser->RefeshDisplay(); // Just redisplay the current folder.