Clear framebuffer to pink

1 files changed, 22 insertions, 1 deletions

diff --git a/src/kernel.c b/src/kernel.c
index 151028d..2a4005a 100644
--- a/src/kernel.c
+++ b/src/kernel.c
@@ -2,8 +2,11 @@
 #include <mailbox.h>
 #include <mmio.h>
 #include <raspi.h>
+#include <string.h>
 #include <uart.h>
 
+#include <stdint.h>
+
 static void halt() {
   while (1) {
     asm volatile("wfi"); // Wait for interrupt. Core enters low-power state.
@@ -13,6 +16,7 @@ static void halt() {
 void main() {
   bool     success = true;
   uint32_t error   = -1;
+  char buf[32];
   
   const int raspi = raspi_init();
   mmio_init(raspi); // Must be initialized before other peripherals.
@@ -31,7 +35,24 @@ void main() {
     goto end;
   }
   
-  uart_print("Hello world!\n");
+  const Framebuffer* fb = framebuffer_get();
+  uart_print("Framebuffer:");
+  uart_print("\n  width:  ");
+  uart_print(utoa(fb->width,  buf, sizeof(buf)));
+  uart_print("\n  height: ");
+  uart_print(utoa(fb->height, buf, sizeof(buf)));
+  uart_print("\n  depth:   ");
+  uart_print(utoa(fb->depth,  buf, sizeof(buf)));
+  uart_print("\n  addr:    ");
+  uart_print(ptoa(fb->pixels, buf, sizeof(buf)));
+  uart_print("\n  size:    ");
+  uart_print(utoa(fb->size,   buf, sizeof(buf)));
+  uart_print("\n");
+  
+  uart_print("Clearing framebuffer\n");
+  framebuffer_clear((Pixel){255, 0, 255});
+  
+  uart_print("All done\n");
   
 end:
   halt();