Cosmetic changes to comments and README

This commit is contained in:
Gregory Nutt 2014-04-07 15:28:04 -06:00
parent 724ad8d7b5
commit 73f2a51a84
2 changed files with 18 additions and 18 deletions

View File

@ -473,43 +473,43 @@ Serial Console
By default, all configurations use UART0 which connects to the USB VCOM
on the DEBUG port on the LM4F120 LaunchPad:
UART0 RX - PA.0
UART0 TX - PA.1
UART0 RX - PA.0
UART0 TX - PA.1
However, if you use an external RS232 driver, then other options are
available. UART1 has option pin settings and flow control capabilities
that are not available with the other UARTS::
UART1 RX - PB.0 or PC.4 (Need disambiguation in board.h)
UART1 TX - PB.1 or PC.5 (" " " " "" " ")
UART1 RX - PB.0 or PC.4 (Need disambiguation in board.h)
UART1 TX - PB.1 or PC.5 (" " " " "" " ")
UART1_RTS - PF.0 or PC.4
UART1_CTS - PF.1 or PC.5
NOTE: board.h currently selects PB.0, PB.1, PF.0 and PF.1 for UART1, but
that can be changed by editting board.h
that can be changed by editing board.h
UART2-5, 7 are also available, UART2 is not recommended because it shares
some pin usage with USB device mode. UART6 is not available because its
only RX/TX pin options are dedicated to USB support.
UART2 RX - PD.6
UART2 TX - PD.7 (Also used for USB VBUS detection)
UART2 RX - PD.6
UART2 TX - PD.7 (Also used for USB VBUS detection)
UART3 RX - PC.6
UART3 TX - PC.7
UART3 RX - PC.6
UART3 TX - PC.7
UART4 RX - PC.4
UART4 TX - PC.5
UART4 RX - PC.4
UART4 TX - PC.5
UART5 RX - PE.4
UART5 TX - PE.5
UART5 RX - PE.4
UART5 TX - PE.5
UART6 RX - PD.4, Not available. Dedicated for USB_DM
UART6 TX - PD.5, Not available. Dedicated for USB_DP
UART6 RX - PD.4, Not available. Dedicated for USB_DM
UART6 TX - PD.5, Not available. Dedicated for USB_DP
UART7 RX - PE.0
UART7 TX - PE.1
UART7 RX - PE.0
UART7 TX - PE.1
USB Device Controller Functions
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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@ -77,7 +77,7 @@
*/
#define TIVA_RCC_VALUE (SYSCON_RCC_OSCSRC | SYSCON_RCC_XTAL | \
SYSCON_RCC_USESYSDIV | SYSCON_RCC_SYSDIV(TIVA_SYSDIV))
SYSCON_RCC_USESYSDIV | SYSCON_RCC_SYSDIV(TIVA_SYSDIV))
/* RCC2 settings
*