Merge pull request #414 from anonymouscowhead/lpc-nonOD

In LPC port, alias PUSHPULL to default digital output
ChibiOS · Jan 22, 2025 · 5da10b0 · 5da10b0
2 parents fa78359 + cf3c6d0
commit 5da10b0
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/os/hal/ports/LPC/LLD/GPIO/hal_pal_lld.h b/os/hal/ports/LPC/LLD/GPIO/hal_pal_lld.h
@@ -51,6 +51,9 @@
 #define PAL_MODE_INPUT_PULLUP       (MODE_DIR_IN | MODE_MODE_PULL_UP | MODE_AD_DIGITAL)
 #define PAL_MODE_INPUT_PULLDOWN     (MODE_DIR_IN | MODE_MODE_PULL_DOWN | MODE_AD_DIGITAL)
 #define PAL_MODE_OUTPUT_OPENDRAIN   (MODE_DIR_OUT | MODE_OD_ENABLE | MODE_AD_DIGITAL)
+/* LPC11Uxx does not support true pushpull output, but its non-opendrain output
+ * is sufficient in many use cases, so convenient to alias PUSHPULL to it. */
+#define PAL_MODE_OUTPUT_PUSHPULL    (MODE_DIR_OUT | MODE_AD_DIGITAL)
 
 /*===========================================================================*/
 /* I/O Ports Types and constants.                                            */