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Dropped framebuffer from GDx display driver

This commit is contained in:
Silvano Seva 2024-01-17 01:33:13 +01:00
parent 7fc16388e0
commit b416585819
1 changed files with 5 additions and 17 deletions
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22
platform/drivers/display/UC1701_GDx.c
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@ -28,13 +28,6 @@
#include <interfaces/delays.h> #include <interfaces/delays.h>
#include <hwconfig.h> #include <hwconfig.h>
/*
* LCD framebuffer, statically allocated.
* Pixel format is black and white, one bit per pixel
*/
#define FB_SIZE (((CONFIG_SCREEN_HEIGHT * CONFIG_SCREEN_WIDTH) / 8 ) + 1)
static uint8_t frameBuffer[FB_SIZE];
/** /**
* \internal * \internal
* Send one byte to display controller, via bit banging. * Send one byte to display controller, via bit banging.
@ -69,7 +62,7 @@ static void sendByteToController(uint8_t value)
* *
* @param row: pixel row to be be sent. * @param row: pixel row to be be sent.
*/ */
static void display_renderRow(uint8_t row) static void display_renderRow(uint8_t row, uint8_t *frameBuffer)
{ {
/* magic stuff */ /* magic stuff */
uint8_t *buf = (frameBuffer + 128 * row); uint8_t *buf = (frameBuffer + 128 * row);
@ -141,7 +134,7 @@ void display_terminate()
gpio_setMode(LCD_DAT, INPUT); gpio_setMode(LCD_DAT, INPUT);
} }
void display_renderRows(uint8_t startRow, uint8_t endRow) void display_renderRows(uint8_t startRow, uint8_t endRow, void *fb)
{ {
for(uint8_t row = startRow; row < endRow; row++) for(uint8_t row = startRow; row < endRow; row++)
{ {
@ -150,19 +143,14 @@ void display_renderRows(uint8_t startRow, uint8_t endRow)
sendByteToController(0x10); /* Set X position */ sendByteToController(0x10); /* Set X position */
sendByteToController(0x04); sendByteToController(0x04);
gpio_setPin(LCD_RS); /* RS high -> data mode */ gpio_setPin(LCD_RS); /* RS high -> data mode */
display_renderRow(row); display_renderRow(row, (uint8_t *) fb);
} }
} }
void display_render() void display_render(void *fb)
{ {
display_renderRows(0, CONFIG_SCREEN_HEIGHT / 8); display_renderRows(0, CONFIG_SCREEN_HEIGHT / 8, fb);
}
void *display_getFrameBuffer()
{
return (void *)(frameBuffer);
} }
void display_setContrast(uint8_t contrast) void display_setContrast(uint8_t contrast)