Mirror/squeezelite-esp32
1
0
Fork 0
mirror of https://github.com/sle118/squeezelite-esp32.git synced 2025-12-06 19:47:02 +03:00
Code Issues Packages Projects Releases Wiki Activity

scroller correction + JPEG improvements

Browse Source
This commit is contained in:
philippe44
2020-02-27 23:05:04 -08:00
parent 876ae491a1
commit 7584b1bd5b
7 changed files with 71 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
components/display/SH1106.c
View File

@@ -21,6 +21,10 @@
static char TAG[] = "SH1106";
struct SH1106_Private {
uint8_t *Shadowbuffer;
};
// Functions are not declared to minimize # of lines
static void SetColumnAddress( struct GDS_Device* Device, uint8_t Start, uint8_t End ) {
@@ -36,9 +40,10 @@ static void SetPageAddress( struct GDS_Device* Device, uint8_t Start, uint8_t En
static void Update( struct GDS_Device* Device ) {
#ifdef SHADOW_BUFFER
struct SH1106_Private *Private = (struct SH1106_Private*) Device->Private;
// not sure the compiler does not have to redo all calculation in for loops, so local it is
int width = Device->Width, rows = Device->Height / 8;
uint8_t *optr = Device->Shadowbuffer, *iptr = Device->Framebuffer;
uint8_t *optr = Private->Shadowbuffer, *iptr = Device->Framebuffer;
// by row, find first and last columns that have been updated
for (int r = 0; r < rows; r++) {
@@ -55,7 +60,7 @@ static void Update( struct GDS_Device* Device ) {
if (first--) {
SetColumnAddress( Device, first, last );
SetPageAddress( Device, r, r);
Device->WriteData( Device, Device->Shadowbuffer + r*width + first, last - first + 1);
Device->WriteData( Device, Private->Shadowbuffer + r*width + first, last - first + 1);
}
}
#else
@@ -83,15 +88,16 @@ static bool Init( struct GDS_Device* Device ) {
// benchmarks showed little gain to have SPI memory already in IRAL vs letting driver copy
#ifdef SHADOW_BUFFER
struct SH1106_Private *Private = (struct SH1106_Private*) Device->Private;
Device->Framebuffer = calloc( 1, Device->FramebufferSize );
NullCheck( Device->Framebuffer, return false );
#ifdef USE_IRAM
if (Device->IF == IF_SPI) Device->Shadowbuffer = heap_caps_malloc( Device->FramebufferSize, MALLOC_CAP_INTERNAL | MALLOC_CAP_DMA );
if (Device->IF == IF_SPI) Private->Shadowbuffer = heap_caps_malloc( Device->FramebufferSize, MALLOC_CAP_INTERNAL | MALLOC_CAP_DMA );
else
#endif
Device->Shadowbuffer = malloc( Device->FramebufferSize );
NullCheck( Device->Shadowbuffer, return false );
memset(Device->Shadowbuffer, 0xFF, Device->FramebufferSize);
Private->Shadowbuffer = malloc( Device->FramebufferSize );
NullCheck( Private->Shadowbuffer, return false );
memset(Private->Shadowbuffer, 0xFF, Device->FramebufferSize);
#else // not SHADOW_BUFFER
#ifdef USE_IRAM
// benchmarks showed little gain to have SPI memory already in IRAL vs letting driver copy