diff options
Diffstat (limited to 'include/config.h')
| -rw-r--r-- | include/config.h | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/include/config.h b/include/config.h index 31e923ed98..148b5921e4 100644 --- a/include/config.h +++ b/include/config.h @@ -613,6 +613,24 @@ #undef CONFIG_UART_HOST /* + * UART receive buffer size in bytes. Must be a power of 2 for macros in + * common/uart_buffering.c to work properly. Must be larger than + * CONFIG_CONSOLE_INPUT_LINE_SIZE to copy and paste scripts. + */ +#define CONFIG_UART_RX_BUF_SIZE 128 + +/* Use DMA for UART input */ +#undef CONFIG_UART_RX_DMA + +/* + * On some platforms, UART receive DMA can't trigger an interrupt when a single + * character is received. Those platforms poll for characters every HOOK_TICK. + * When a character is received, make this many additional checks between then + * and the next HOOK_TICK, to increase responsiveness of the console to input. + */ +#define CONFIG_UART_RX_DMA_RECHECKS 5 + +/* * UART transmit buffer size in bytes. Must be a power of 2 for macros in * common/uart_buffering.c to work properly. */ @@ -621,13 +639,6 @@ /* Use DMA for UART output */ #undef CONFIG_UART_TX_DMA -/* - * UART receive buffer size in bytes. Must be a power of 2 for macros in - * common/uart_buffering.c to work properly. Must be larger than - * CONFIG_CONSOLE_INPUT_LINE_SIZE to copy and paste scripts. - */ -#define CONFIG_UART_RX_BUF_SIZE 128 - /*****************************************************************************/ /* Compile support for simple control of power to the device's USB ports */ |