Add support for parity bit in FreeRTOS UART driver through ioctl. (#537)

bakerstu · May 4, 2021 · 4504507 · 4504507
1 parent 873d99c
commit 4504507
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Showing 2 changed files with 22 additions and 1 deletion.
diff --git a/include/freertos/tc_ioctl.h b/include/freertos/tc_ioctl.h
@@ -39,7 +39,13 @@
 /** Magic number for this driver's ioctl calls */
 #define TERMIOS_IOC_MAGIC ('T')
 
-#define TCSBRK		IO(TERMIOS_IOC_MAGIC, 9)
+#define TCSBRK      IO(TERMIOS_IOC_MAGIC, 9)
+
+#define TCPARNONE   IO(TERMIOS_IOC_MAGIC, 0xF0)
+#define TCPARODD    IO(TERMIOS_IOC_MAGIC, 0xF1)
+#define TCPAREVEN   IO(TERMIOS_IOC_MAGIC, 0xF2)
+#define TCPARONE    IO(TERMIOS_IOC_MAGIC, 0xF3)
+#define TCPARZERO   IO(TERMIOS_IOC_MAGIC, 0xF4)
 
 #endif // _FREERTOS_TC_IOCTL_H_
 
diff --git a/src/freertos_drivers/ti/CC32xxUart.cxx b/src/freertos_drivers/ti/CC32xxUart.cxx
@@ -140,6 +140,21 @@ int CC32xxUart::ioctl(File *file, unsigned long int key, unsigned long data)
             MAP_UARTBreakCtl(base, false);
             MAP_UtilsDelay(12 * 26);
             break;
+        case TCPARNONE:
+            MAP_UARTParityModeSet(base, UART_CONFIG_PAR_NONE);
+            break;
+        case TCPARODD:
+            MAP_UARTParityModeSet(base, UART_CONFIG_PAR_ODD);
+            break;
+        case TCPAREVEN:
+            MAP_UARTParityModeSet(base, UART_CONFIG_PAR_EVEN);
+            break;
+        case TCPARONE:
+            MAP_UARTParityModeSet(base, UART_CONFIG_PAR_ONE);
+            break;
+        case TCPARZERO:
+            MAP_UARTParityModeSet(base, UART_CONFIG_PAR_ZERO);
+            break;
     }
 
     return 0;