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Removed framebuffer from MD9600

This commit is contained in:
Silvano Seva 2024-01-17 21:46:05 +01:00
parent b416585819
commit adc8b05075
1 changed files with 5 additions and 20 deletions
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25
platform/drivers/display/ST7567_MD9600.c
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@ -28,13 +28,6 @@
#include "hwconfig.h" #include "hwconfig.h"
#include <SPI2.h> #include <SPI2.h>
/*
* LCD framebuffer, statically allocated and placed in the "large" RAM block
* starting at 0x20000000.
* Pixel format is black and white, one bit per pixel.
*/
#define FB_SIZE (((CONFIG_SCREEN_HEIGHT * CONFIG_SCREEN_WIDTH) / 8 ) + 1)
static uint8_t __attribute__((section(".bss2"))) frameBuffer[FB_SIZE];
/** /**
* \internal * \internal
@ -44,7 +37,7 @@ static uint8_t __attribute__((section(".bss2"))) frameBuffer[FB_SIZE];
* *
* @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);
@ -74,9 +67,6 @@ static void display_renderRow(uint8_t row)
void display_init() void display_init()
{ {
/* Clear framebuffer, setting all pixels to 0x00 makes the screen white */
memset(frameBuffer, 0x00, FB_SIZE);
gpio_setMode(LCD_CS, OUTPUT); gpio_setMode(LCD_CS, OUTPUT);
gpio_setMode(LCD_RST, OUTPUT); gpio_setMode(LCD_RST, OUTPUT);
gpio_setMode(LCD_RS, OUTPUT); gpio_setMode(LCD_RS, OUTPUT);
@ -111,7 +101,7 @@ void display_terminate()
} }
void display_renderRows(uint8_t startRow, uint8_t endRow) void display_renderRows(uint8_t startRow, uint8_t endRow, void *fb)
{ {
spi2_lockDeviceBlocking(); spi2_lockDeviceBlocking();
gpio_clearPin(LCD_CS); gpio_clearPin(LCD_CS);
@ -123,21 +113,16 @@ void display_renderRows(uint8_t startRow, uint8_t endRow)
(void) spi2_sendRecv(0x10); /* Set X position */ (void) spi2_sendRecv(0x10); /* Set X position */
(void) spi2_sendRecv(0x04); (void) spi2_sendRecv(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);
} }
gpio_setPin(LCD_CS); gpio_setPin(LCD_CS);
spi2_releaseDevice(); spi2_releaseDevice();
} }
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)