fix boot2.s

2025-12-20 19:16:13 +08:00
parent 397033e293
commit 29edad3437
4 changed files with 37 additions and 628 deletions
--- a/src/main.c
+++ b/src/main.c
@@ -9,13 +9,14 @@ void main(void) {
    PB_DDR |= (1 << LED_PIN);
    PB_CR1 |= (1 << LED_PIN);

+    /* 9600bps, 8N1, TEN, REN */
    UART1_BRR1 = 0x0D;
    UART1_BRR2 = 0x00;
-    UART1_CR2 = 0x0D;
+    UART1_CR2 = 0x0C;

    while(1) {
        PB_ODR ^= (1 << LED_PIN);
-        UART1_DR = *ptr++;
+        UART1_DR = PB_ODR;
        delay_ms(500);
    }
 }