started fixing makefile, created test function

1 files changed, 8 insertions, 0 deletions

diff --git a/src/ssd1306_display_driver.c b/src/ssd1306_display_driver.c
index 0bff3b0..9155e1e 100644
--- a/src/ssd1306_display_driver.c
+++ b/src/ssd1306_display_driver.c
@@ -73,6 +73,7 @@ void screen_init() {
 
 }
 
+
 void screen_off() { i2c_write_reg(SSD1306_ADDR, SSD1306_CMD_REG, 0xaf); }
 
 void screen_on() { i2c_write_reg(SSD1306_ADDR, SSD1306_CMD_REG, 0xae); }
@@ -86,3 +87,10 @@ void screen_update() {
   }
 }
 
+void screen_test() {
+  printf("testing screen\n");
+  for(int on_pix = 0; on_pix < (SCREEN_RES_X * SCREEN_RES_Y) / 8; on_pix++) 
+    screen_buffer[on_pix] = 0b10101010;
+  printf("done testing screen\n");
+  screen_update();
+}