Mirrors_Framework/nuttx
1
0
Fork 0
mirror of https://github.com/apache/nuttx.git synced 2026-06-07 01:05:54 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

16550 UART Driver: Add a configuration option to indicate the the THR empty bit is inverted. This is the the case for the moxART SoC. Based comments from Anton D. Kachalov

Browse Source
This commit is contained in:
Gregory Nutt
2015-07-29 16:31:21 -06:00
parent f230c87fba
commit 8935ff34d5
5 changed files with 36 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/nuttx/serial/uart_16550.h
+5 -1
View File
@@ -299,7 +299,11 @@
#define UART_LSR_PE (1 << 2) /* Bit 2: Parity Error */
#define UART_LSR_FE (1 << 3) /* Bit 3: Framing Error */
#define UART_LSR_BI (1 << 4) /* Bit 4: Break Interrupt */
#define UART_LSR_THRE (1 << 5) /* Bit 5: Transmitter Holding Register Empty */
#ifdef CONFIG_16550_THRNE
# define UART_LSR_THRNE (1 << 5) /* Bit 5: Transmitter Holding Register Not Empty */
#else
# define UART_LSR_THRE (1 << 5) /* Bit 5: Transmitter Holding Register Empty */
#endif
#define UART_LSR_TEMT (1 << 6) /* Bit 6: Transmitter Empty */
#define UART_LSR_RXFE (1 << 7) /* Bit 7: Error in RX FIFO (RXFE) */