diff options
Diffstat (limited to 'nuttx/arch/arm/src/lpc17xx/lpc17_serial.c')
| -rwxr-xr-x | nuttx/arch/arm/src/lpc17xx/lpc17_serial.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_serial.c b/nuttx/arch/arm/src/lpc17xx/lpc17_serial.c index d58ce7c03..63687038f 100755 --- a/nuttx/arch/arm/src/lpc17xx/lpc17_serial.c +++ b/nuttx/arch/arm/src/lpc17xx/lpc17_serial.c @@ -664,13 +664,15 @@ static inline void lpc17_uart1config(uint32_t clkdiv) lpc17_configgpio(GPIO_UART1_TXD); lpc17_configgpio(GPIO_UART1_RXD); -#ifdef CONFIG_UART0_FLOWCONTROL +#ifdef CONFIG_UART1_FLOWCONTROL lpc17_configgpio(GPIO_UART1_CTS); + lpc17_configgpio(GPIO_UART1_RTS); lpc17_configgpio(GPIO_UART1_DCD); lpc17_configgpio(GPIO_UART1_DSR); lpc17_configgpio(GPIO_UART1_DTR); +#ifdef CONFIG_UART1_RINGINDICATOR lpc17_configgpio(GPIO_UART1_RI); - lpc17_configgpio(GPIO_UART1_RTS); +#endif #endif irqrestore(flags); }; @@ -849,6 +851,16 @@ static int up_setup(struct uart_dev_s *dev) up_serialout(priv, LPC17_UART_FCR_OFFSET, (UART_FCR_RXTRIGGER_8|UART_FCR_TXRST|UART_FCR_RXRST|UART_FCR_FIFOEN)); + + /* Enable Auto-RTS and Auto-CS Flow Control in the Modem Control Register */ + +#ifdef CONFIG_UART1_FLOWCONTROL + if (priv->uartbase == LPC17_UART1_BASE) + { + up_serialout(priv, LPC17_UART_MCR_OFFSET, (UART_MCR_RTSEN|UART_MCR_CTSEN)); + } +#endif + #endif return OK; } |