# 使能P20

2025-03-19 14:56:17 +08:00
parent 7bcd4c1c17
commit 1b6044ebd1
1 changed files with 5 additions and 1 deletions
--- a/Src/main.c
+++ b/Src/main.c
@ -54,6 +54,10 @@ main ()
  OLED_ShowPrintf (0, 4, "Hello, 4Wo4rld!", OLED_FONT_SIXTEEN, OLED_LEFT_ROLL,
                   OLED_CLS);

+  P2M1 &= 0xFE; // P20为推挽输出
+  P2M0 |= 0x01;
+  P20 = 1; // P20为推挽输出
+
  OLED_ShowNum (4, 4, 123456789, 10, OLED_FONT_SIXTEEN, OLED_LEFT_ROLL,
                OLED_SHOW);

@ -66,7 +70,7 @@ main ()

      DelayMs (1000);

-      read_i = (int16_t)(INA226_ReadBusVoltage ()*1000);
+      read_i = (int16_t)(INA226_ReadBusVoltage () * 1000);

      OLED_ShowNum (4, 6, read_i, 10, OLED_FONT_SIXTEEN, OLED_LEFT_ROLL,
                    OLED_SHOW);