fix(uart): implement TXFE bit in UARTFR

wokwi · Apr 19, 2022 · e13d7b2 · e13d7b2
1 parent ca76b18
commit e13d7b2
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/peripherals/uart.ts b/src/peripherals/uart.ts
@@ -12,6 +12,7 @@ const UARTIMIS = 0x40;
 const UARTICR = 0x44;
 
 // UARTFR bits:
+const TXFE = 1 << 7;
 const RXFF = 1 << 6;
 const RXFE = 1 << 4;
 
@@ -72,7 +73,7 @@ export class RPUART extends BasePeripheral implements Peripheral {
   }
 
   get flags() {
-    return (this.rxFIFO.full ? RXFF : 0) | (this.rxFIFO.empty ? RXFE : 0);
+    return (this.rxFIFO.full ? RXFF : 0) | (this.rxFIFO.empty ? RXFE : 0) | TXFE;
   }
 
   checkInterrupts() {