From 56c539ce84d07c918eda55fc1ecc19c2a25727a0 Mon Sep 17 00:00:00 2001
From: Daniel Willmann <daniel@totalueberwachung.de>
Date: Sat, 3 May 2014 01:52:16 +0200
Subject: [PATCH] Only blit the one pixel that was updated
---
src/mensactrl.c | 40 +---------------------------------------
1 file changed, 1 insertion(+), 39 deletions(-)
diff --git a/src/mensactrl.c b/src/mensactrl.c
index 1e3c371..6a89144 100644
--- a/src/mensactrl.c
+++ b/src/mensactrl.c
@@ -90,44 +90,6 @@ static void blit_area(struct mensa_fb *mensafb, const int col, const int row,
}
}
-
-void encodeToFb(struct mensa_fb *mensafb)
-{
- blit_area(mensafb, 0, 0, mensafb->x_res, mensafb->y_res);
-}
-// int pix, row, cols, idx, fbidx, i, ledrow;
-// uint16_t pattern;
-//
-// for (fbidx = 0; fbidx < mensafb->x_res * mensafb->y_res / mensafb->modules; fbidx++) {
-// cols = mensafb->x_res * 2;
-//
-// row = fbidx / cols;
-// ledrow = row;
-// pix = fbidx % cols;
-//
-// if (pix / 40 % 2 == 0) {
-// pix = pix + (pix / 40 * 40);
-// } else {
-// pix = pix + (pix / 40 * 40) + 40;
-// row = row + 7;
-// }
-//
-//
-// pattern = 0;
-// for (i = 0; i < mensafb->modules; i++) {
-// idx = row * mensafb->x_res + pix + i * mensafb->x_res * 14;
-// if (mensafb->inputfb[idx] > 0)
-// pattern |= 1 << i;
-// }
-// /* During update of the next line we want to display the
-// * content of the last one */
-// pattern |= (ledrow-1 % 7) << 5;
-//
-// mensafb->fbmem[fbidx] = pattern;
-// }
-//}
-
-
void setPixel(struct mensa_fb *mensafb, int col, int row, uint8_t bright)
{
int idx = row * mensafb->x_res + col;
@@ -198,7 +160,7 @@ int main(int argc, char *argv[]) {
zmq_recv(responder, &pix, sizeof(pix), 0);
setPixel(mensafb, pix.x, pix.y, pix.bright);
zmq_send(responder, &pix, sizeof(pix), 0);
- encodeToFb(mensafb);
+ blit_area(mensafb, pix.x, pix.y, 1, 1);
}
return 0;
--
GitLab