From 56a58fca79b9a30053161052dded5b2a34ed2d76 Mon Sep 17 00:00:00 2001
From: Eggert Jung <eggert.s.jung@wischhof13.de>
Date: Fri, 13 Aug 2021 07:23:48 +0200
Subject: [PATCH] display init function

---
 main/display.c | 30 +++++++++++++++++++++++++++++-
 main/display.h |  1 +
 main/main.c    | 29 +----------------------------
 3 files changed, 31 insertions(+), 29 deletions(-)

diff --git a/main/display.c b/main/display.c
index e0c67ed..5a6b7d9 100644
--- a/main/display.c
+++ b/main/display.c
@@ -30,8 +30,36 @@ void clock(){
     gpio_set_level(GPIO_CLK, 0);
 }
 
+void display_init(){
+    gpio_config_t io_conf;
+    //disable interrupt
+    io_conf.intr_type = GPIO_INTR_DISABLE;
+    //set as output mode
+    io_conf.mode = GPIO_MODE_OUTPUT;
+    //bit mask of the pins that you want to set,e.g.GPIO18/19
+    io_conf.pin_bit_mask =
+         (1ULL<<GPIO_LAT)|(1ULL<<GPIO_OE)|(1ULL<<GPIO_CLK)
+        |(1ULL<<GPIO_R1)|(1ULL<<GPIO_G1)|(1ULL<<GPIO_B1)|(1ULL<<GPIO_R2)|(1ULL<<GPIO_G2)|(1ULL<<GPIO_B2)
+        |(1ULL<<GPIO_A)|(1ULL<<GPIO_B)|(1ULL<<GPIO_C)|(1ULL<<GPIO_D)|(1ULL<<GPIO_E);
+    //disable pull-down mode
+    io_conf.pull_down_en = 0;
+    //disable pull-up mode
+    io_conf.pull_up_en = 0;
+    //configure GPIO with the given settings
+    gpio_config(&io_conf);
+
+    gpio_set_level(GPIO_OE, 0);
+
+    write_bits(0,0,0,0,0,0);
+    for(uint8_t i=0;i<128;i++){
+        clock();
+    }
+    latch();
+    gpio_set_level(GPIO_OE, 1);
+    gpio_set_level(GPIO_OE, 0);
+}
+
 void display_cycle(){
-    printf("test");
     static uint8_t line = 0;
 
     for(uint8_t i=0;i<128;i++){
diff --git a/main/display.h b/main/display.h
index 56ab6d5..5f71377 100644
--- a/main/display.h
+++ b/main/display.h
@@ -30,6 +30,7 @@ void write_bits(uint8_t r1, uint8_t g1, uint8_t b1, uint8_t r2, uint8_t g2, uint
 void write_address(uint8_t addr);
 void latch(void);
 void clock(void);
+void display_init(void);
 void display_cycle(void);
 
 #endif
diff --git a/main/main.c b/main/main.c
index 483c1cc..3e1f82b 100644
--- a/main/main.c
+++ b/main/main.c
@@ -30,36 +30,9 @@
 void app_main(void)
 {
     printf("Hello world!\n");
+    display_init();
 
     put_line(fb, 2, "429 Amalienplatz", 1, 1);
-
-    gpio_config_t io_conf;
-    //disable interrupt
-    io_conf.intr_type = GPIO_INTR_DISABLE;
-    //set as output mode
-    io_conf.mode = GPIO_MODE_OUTPUT;
-    //bit mask of the pins that you want to set,e.g.GPIO18/19
-    io_conf.pin_bit_mask =
-         (1ULL<<GPIO_LAT)|(1ULL<<GPIO_OE)|(1ULL<<GPIO_CLK)
-        |(1ULL<<GPIO_R1)|(1ULL<<GPIO_G1)|(1ULL<<GPIO_B1)|(1ULL<<GPIO_R2)|(1ULL<<GPIO_G2)|(1ULL<<GPIO_B2)
-        |(1ULL<<GPIO_A)|(1ULL<<GPIO_B)|(1ULL<<GPIO_C)|(1ULL<<GPIO_D)|(1ULL<<GPIO_E);
-    //disable pull-down mode
-    io_conf.pull_down_en = 0;
-    //disable pull-up mode
-    io_conf.pull_up_en = 0;
-    //configure GPIO with the given settings
-    gpio_config(&io_conf);
-
-    gpio_set_level(GPIO_OE, 0);
-
-    write_bits(1,0,0,1,0,0);
-    for(uint8_t i=0;i<128;i++){
-        clock();
-    }
-    latch();
-    gpio_set_level(GPIO_OE, 1);
-    gpio_set_level(GPIO_OE, 0);
-
     for (;;) {
         display_cycle();
     }