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RASCSI
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Blank flashing cursor when powerview is enabled

This commit is contained in:
Tony Kuker 2022-01-16 20:13:01 +00:00
parent c0a9a73ea1
commit a05c7d795d
2 changed files with 43 additions and 5 deletions
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45
src/raspberrypi/devices/scsi_powerview.cpp
View File

@ -106,17 +106,52 @@ SCSIPowerView::SCSIPowerView() : Disk("SCPV")
this->m_powerview_resolution_x = 624;
this->m_powerview_resolution_y = 840;
fbcon_cursor(false);
fbcon_blank(false);
ClearFrameBuffer();
}
//---------------------------------------------------------------------------
//
// Enable/Disable the framebuffer flashing cursor
// From: https://linux-arm-kernel.infradead.narkive.com/XL0ylAHW/turn-off-framebuffer-cursor
//
//---------------------------------------------------------------------------
void SCSIPowerView::fbcon_cursor(bool blank)
{
int fd = open("/dev/tty1", O_RDWR);
if (0 < fd)
{
write(fd, "\033[?25", 5);
write(fd, blank ? "h" : "l", 1);
}
else
{
LOGWARN("%s Unable to open /dev/tty1", __PRETTY_FUNCTION__);
}
close(fd);
}
//---------------------------------------------------------------------------
//
// Enable/disable the framebuffer blanking
// From: https://linux-arm-kernel.infradead.narkive.com/XL0ylAHW/turn-off-framebuffer-cursor
//
//---------------------------------------------------------------------------
void SCSIPowerView::fbcon_blank(bool blank)
{
int ret = ioctl(fbfd, FBIOBLANK, blank ? VESA_POWERDOWN : VESA_NO_BLANKING);
if(ret < 0){
LOGWARN("%s Unable to disable blanking", __PRETTY_FUNCTION__);
}
return;
}
SCSIPowerView::~SCSIPowerView()
{
// // TAP driver release
// if (m_tap) {
// m_tap->Cleanup();
// delete m_tap;
// }
// Re-enable the cursor
fbcon_cursor(true);
munmap(this->fb, this->fbsize);
close(this->fbfd);

3
src/raspberrypi/devices/scsi_powerview.h
View File

@ -55,6 +55,9 @@ private:
DWORD m_powerview_resolution_x;
DWORD m_powerview_resolution_y;
void fbcon_cursor(bool blank);
void fbcon_blank(bool blank);
public:
SCSIPowerView();
~SCSIPowerView();