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Diffstat (limited to 'nuttx/arch/arm/src/lpc17xx/lpc17_lowputc.c')
-rw-r--r--nuttx/arch/arm/src/lpc17xx/lpc17_lowputc.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_lowputc.c b/nuttx/arch/arm/src/lpc17xx/lpc17_lowputc.c
index 1ea68287b..ba90c1ff6 100644
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_lowputc.c
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_lowputc.c
@@ -141,9 +141,11 @@
*
* PCLK = CCLK / divisor
*
- * Ignoring the fractional divider for now.
+ * Ignoring the fractional divider for now. (If you want to extend this driver
+ * to support the fractional divider, see lpc43xx_uart.c. The LPC43xx uses
+ * the same peripheral and that logic could easily leveraged here).
*
- * Check divisor == 1. This works if the upper limit is met
+ * Check divisor == 1. This works if the upper limit is met:
*
* DL < 0xffff, or
* PCLK / BAUD / 16 < 0xffff, or