From: Keith Packard <keithp@keithp.com>
Date: Tue, 28 Mar 2023 18:56:27 +0000 (-0700)
Subject: altos/lpc: Validate UART pin config
X-Git-Tag: 1.9.16~1^2~12
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=cbc7a40fd29dd9a2e5f55dd58e9d50e009e7fb22

altos/lpc: Validate UART pin config

Make sure some UART pin configuration has been selected

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/src/lpc/ao_serial_lpc.c b/src/lpc/ao_serial_lpc.c
index 1a833b38..2362c674 100644
--- a/src/lpc/ao_serial_lpc.c
+++ b/src/lpc/ao_serial_lpc.c
@@ -156,8 +156,7 @@ ao_serial_init(void)
 			      (0 << LPC_IOCONF_HYS) |
 			      (0 << LPC_IOCONF_INV) |
 			      (0 << LPC_IOCONF_OD));
-#endif
-#if SERIAL_1_13_14
+#elif SERIAL_1_13_14
 	lpc_ioconf.pio1_13 = ((LPC_IOCONF_FUNC_PIO1_13_TXD << LPC_IOCONF_FUNC) |
 			      (LPC_IOCONF_MODE_INACTIVE << LPC_IOCONF_MODE) |
 			      (0 << LPC_IOCONF_HYS) |
@@ -168,6 +167,8 @@ ao_serial_init(void)
 			      (0 << LPC_IOCONF_HYS) |
 			      (0 << LPC_IOCONF_INV) |
 			      (0 << LPC_IOCONF_OD));
+#else
+#error No serial pin configuration selected
 #endif
 
 	/* Turn on the USART */