backup codes

2025-12-20 22:10:50 +08:00
parent 29edad3437
commit e1d432bfab
4 changed files with 954 additions and 3 deletions
--- a/src/main.c
+++ b/src/main.c
@@ -14,6 +14,19 @@ void main(void) {
    UART1_BRR2 = 0x00;
    UART1_CR2 = 0x0C;

+    while(1) {
+        volatile uint8_t *ptr = (volatile uint8_t *)0x0230;
+        delay_ms(2000);
+        for(int i=0; i<16; i++) {
+            for(int k=0; k<16; k++) {
+                UART1_DR = *ptr++;
+                while(!(UART1_SR&0x80));
+            }
+            delay_ms(100);
+            PB_ODR ^= (1 << LED_PIN);
+        }
+    }
+
    while(1) {
        PB_ODR ^= (1 << LED_PIN);
        UART1_DR = PB_ODR;