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Add some UART configuration logic (still incomplete)

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This commit is contained in:
Gregory Nutt 2014-10-19 16:42:15 -06:00
parent 302e16223e
commit 5fa6188c55
5 changed files with 185 additions and 10 deletions
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34
arch/arm/src/efm32/chip/efm32_usart.h
View File

@ -138,7 +138,7 @@
#ifdef CONFIG_EFM32_EFM32GG
# define EFM32_USART0_INPUT (EFM32_USART0_BASE+EFM32_USART_INPUT_OFFSET)
# define EFM32_USART0_I2SCTRL (EFM32_USART0_BASE+EFM32_USART_I2SCTRL_OFFSET)
#endf
#endif
#define EFM32_USART1_CTRL (EFM32_USART1_BASE+EFM32_USART_CTRL_OFFSET)
#define EFM32_USART1_FRAME (EFM32_USART1_BASE+EFM32_USART_FRAME_OFFSET)
@ -165,7 +165,7 @@
#ifdef CONFIG_EFM32_EFM32GG
# define EFM32_USART1_INPUT (EFM32_USART1_BASE+EFM32_USART_INPUT_OFFSET)
# define EFM32_USART1_I2SCTRL (EFM32_USART1_BASE+EFM32_USART_I2SCTRL_OFFSET)
#endf
#endif
#define EFM32_USART2_CTRL (EFM32_USART2_BASE+EFM32_USART_CTRL_OFFSET)
#define EFM32_USART2_FRAME (EFM32_USART2_BASE+EFM32_USART_FRAME_OFFSET)
@ -192,7 +192,7 @@
#ifdef CONFIG_EFM32_EFM32GG
# define EFM32_USART2_INPUT (EFM32_USART2_BASE+EFM32_USART_INPUT_OFFSET)
# define EFM32_USART2_I2SCTRL (EFM32_USART2_BASE+EFM32_USART_I2SCTRL_OFFSET)
#endf
#endif
#define EFM32_UART0_CTRL (EFM32_UART0_BASE+EFM32_USART_CTRL_OFFSET)
#define EFM32_UART0_FRAME (EFM32_UART0_BASE+EFM32_USART_FRAME_OFFSET)
@ -219,7 +219,7 @@
#ifdef CONFIG_EFM32_EFM32GG
# define EFM32_UART0_INPUT (EFM32_UART0_BASE+EFM32_USART_INPUT_OFFSET)
# define EFM32_UART0_I2SCTRL (EFM32_UART0_BASE+EFM32_USART_I2SCTRL_OFFSET)
#endf
#endif
#define EFM32_UART1_CTRL (EFM32_UART1_BASE+EFM32_USART_CTRL_OFFSET)
#define EFM32_UART1_FRAME (EFM32_UART1_BASE+EFM32_USART_FRAME_OFFSET)
@ -246,7 +246,7 @@
#ifdef CONFIG_EFM32_EFM32GG
# define EFM32_UART1_INPUT (EFM32_UART1_BASE+EFM32_USART_INPUT_OFFSET)
# define EFM32_UART1_I2SCTRL (EFM32_UART1_BASE+EFM32_USART_I2SCTRL_OFFSET)
#endf
#endif
/* USART Register Register Bit Definitions *************************************************************************************/
@ -254,6 +254,7 @@
#define _USART_CTRL_RESETVALUE 0x00000000UL /* Default value for USART_CTRL */
#define _USART_CTRL_MASK 0x7DFFFF7FUL /* Mask for USART_CTRL */
#define USART_CTRL_SYNC (0x1UL << 0) /* USART Synchronous Mode */
#define _USART_CTRL_SYNC_SHIFT 0 /* Shift value for USART_SYNC */
#define _USART_CTRL_SYNC_MASK 0x1UL /* Bit mask for USART_SYNC */
@ -424,6 +425,7 @@
#define _USART_FRAME_RESETVALUE 0x00001005UL /* Default value for USART_FRAME */
#define _USART_FRAME_MASK 0x0000330FUL /* Mask for USART_FRAME */
#define _USART_FRAME_DATABITS_SHIFT 0 /* Shift value for USART_DATABITS */
#define _USART_FRAME_DATABITS_MASK 0xFUL /* Bit mask for USART_DATABITS */
#define _USART_FRAME_DATABITS_FOUR 0x00000001UL /* Mode FOUR for USART_FRAME */
@ -481,6 +483,7 @@
#define _USART_TRIGCTRL_RESETVALUE 0x00000000UL /* Default value for USART_TRIGCTRL */
#define _USART_TRIGCTRL_MASK 0x00000077UL /* Mask for USART_TRIGCTRL */
#define _USART_TRIGCTRL_TSEL_SHIFT 0 /* Shift value for USART_TSEL */
#define _USART_TRIGCTRL_TSEL_MASK 0x7UL /* Bit mask for USART_TSEL */
#define _USART_TRIGCTRL_TSEL_DEFAULT 0x00000000UL /* Mode DEFAULT for USART_TRIGCTRL */
@ -521,6 +524,7 @@
#define _USART_CMD_RESETVALUE 0x00000000UL /* Default value for USART_CMD */
#define _USART_CMD_MASK 0x00000FFFUL /* Mask for USART_CMD */
#define USART_CMD_RXEN (0x1UL << 0) /* Receiver Enable */
#define _USART_CMD_RXEN_SHIFT 0 /* Shift value for USART_RXEN */
#define _USART_CMD_RXEN_MASK 0x1UL /* Bit mask for USART_RXEN */
@ -586,6 +590,7 @@
#define _USART_STATUS_RESETVALUE 0x00000040UL /* Default value for USART_STATUS */
#define _USART_STATUS_MASK 0x00001FFFUL /* Mask for USART_STATUS */
#define USART_STATUS_RXENS (0x1UL << 0) /* Receiver Enable Status */
#define _USART_STATUS_RXENS_SHIFT 0 /* Shift value for USART_RXENS */
#define _USART_STATUS_RXENS_MASK 0x1UL /* Bit mask for USART_RXENS */
@ -656,6 +661,7 @@
#define _USART_CLKDIV_RESETVALUE 0x00000000UL /* Default value for USART_CLKDIV */
#define _USART_CLKDIV_MASK 0x001FFFC0UL /* Mask for USART_CLKDIV */
#define _USART_CLKDIV_DIV_SHIFT 6 /* Shift value for USART_DIV */
#define _USART_CLKDIV_DIV_MASK 0x1FFFC0UL /* Bit mask for USART_DIV */
#define _USART_CLKDIV_DIV_DEFAULT 0x00000000UL /* Mode DEFAULT for USART_CLKDIV */
@ -665,6 +671,7 @@
#define _USART_RXDATAX_RESETVALUE 0x00000000UL /* Default value for USART_RXDATAX */
#define _USART_RXDATAX_MASK 0x0000C1FFUL /* Mask for USART_RXDATAX */
#define _USART_RXDATAX_RXDATA_SHIFT 0 /* Shift value for USART_RXDATA */
#define _USART_RXDATAX_RXDATA_MASK 0x1FFUL /* Bit mask for USART_RXDATA */
#define _USART_RXDATAX_RXDATA_DEFAULT 0x00000000UL /* Mode DEFAULT for USART_RXDATAX */
@ -684,6 +691,7 @@
#define _USART_RXDATA_RESETVALUE 0x00000000UL /* Default value for USART_RXDATA */
#define _USART_RXDATA_MASK 0x000000FFUL /* Mask for USART_RXDATA */
#define _USART_RXDATA_RXDATA_SHIFT 0 /* Shift value for USART_RXDATA */
#define _USART_RXDATA_RXDATA_MASK 0xFFUL /* Bit mask for USART_RXDATA */
#define _USART_RXDATA_RXDATA_DEFAULT 0x00000000UL /* Mode DEFAULT for USART_RXDATA */
@ -693,6 +701,7 @@
#define _USART_RXDOUBLEX_RESETVALUE 0x00000000UL /* Default value for USART_RXDOUBLEX */
#define _USART_RXDOUBLEX_MASK 0xC1FFC1FFUL /* Mask for USART_RXDOUBLEX */
#define _USART_RXDOUBLEX_RXDATA0_SHIFT 0 /* Shift value for USART_RXDATA0 */
#define _USART_RXDOUBLEX_RXDATA0_MASK 0x1FFUL /* Bit mask for USART_RXDATA0 */
#define _USART_RXDOUBLEX_RXDATA0_DEFAULT 0x00000000UL /* Mode DEFAULT for USART_RXDOUBLEX */
@ -726,6 +735,7 @@
#define _USART_RXDOUBLE_RESETVALUE 0x00000000UL /* Default value for USART_RXDOUBLE */
#define _USART_RXDOUBLE_MASK 0x0000FFFFUL /* Mask for USART_RXDOUBLE */
#define _USART_RXDOUBLE_RXDATA0_SHIFT 0 /* Shift value for USART_RXDATA0 */
#define _USART_RXDOUBLE_RXDATA0_MASK 0xFFUL /* Bit mask for USART_RXDATA0 */
#define _USART_RXDOUBLE_RXDATA0_DEFAULT 0x00000000UL /* Mode DEFAULT for USART_RXDOUBLE */
@ -739,6 +749,7 @@
#define _USART_RXDATAXP_RESETVALUE 0x00000000UL /* Default value for USART_RXDATAXP */
#define _USART_RXDATAXP_MASK 0x0000C1FFUL /* Mask for USART_RXDATAXP */
#define _USART_RXDATAXP_RXDATAP_SHIFT 0 /* Shift value for USART_RXDATAP */
#define _USART_RXDATAXP_RXDATAP_MASK 0x1FFUL /* Bit mask for USART_RXDATAP */
#define _USART_RXDATAXP_RXDATAP_DEFAULT 0x00000000UL /* Mode DEFAULT for USART_RXDATAXP */
@ -758,6 +769,7 @@
#define _USART_RXDOUBLEXP_RESETVALUE 0x00000000UL /* Default value for USART_RXDOUBLEXP */
#define _USART_RXDOUBLEXP_MASK 0xC1FFC1FFUL /* Mask for USART_RXDOUBLEXP */
#define _USART_RXDOUBLEXP_RXDATAP0_SHIFT 0 /* Shift value for USART_RXDATAP0 */
#define _USART_RXDOUBLEXP_RXDATAP0_MASK 0x1FFUL /* Bit mask for USART_RXDATAP0 */
#define _USART_RXDOUBLEXP_RXDATAP0_DEFAULT 0x00000000UL /* Mode DEFAULT for USART_RXDOUBLEXP */
@ -791,6 +803,7 @@
#define _USART_TXDATAX_RESETVALUE 0x00000000UL /* Default value for USART_TXDATAX */
#define _USART_TXDATAX_MASK 0x0000F9FFUL /* Mask for USART_TXDATAX */
#define _USART_TXDATAX_TXDATAX_SHIFT 0 /* Shift value for USART_TXDATAX */
#define _USART_TXDATAX_TXDATAX_MASK 0x1FFUL /* Bit mask for USART_TXDATAX */
#define _USART_TXDATAX_TXDATAX_DEFAULT 0x00000000UL /* Mode DEFAULT for USART_TXDATAX */
@ -825,6 +838,7 @@
#define _USART_TXDATA_RESETVALUE 0x00000000UL /* Default value for USART_TXDATA */
#define _USART_TXDATA_MASK 0x000000FFUL /* Mask for USART_TXDATA */
#define _USART_TXDATA_TXDATA_SHIFT 0 /* Shift value for USART_TXDATA */
#define _USART_TXDATA_TXDATA_MASK 0xFFUL /* Bit mask for USART_TXDATA */
#define _USART_TXDATA_TXDATA_DEFAULT 0x00000000UL /* Mode DEFAULT for USART_TXDATA */
@ -834,6 +848,7 @@
#define _USART_TXDOUBLEX_RESETVALUE 0x00000000UL /* Default value for USART_TXDOUBLEX */
#define _USART_TXDOUBLEX_MASK 0xF9FFF9FFUL /* Mask for USART_TXDOUBLEX */
#define _USART_TXDOUBLEX_TXDATA0_SHIFT 0 /* Shift value for USART_TXDATA0 */
#define _USART_TXDOUBLEX_TXDATA0_MASK 0x1FFUL /* Bit mask for USART_TXDATA0 */
#define _USART_TXDOUBLEX_TXDATA0_DEFAULT 0x00000000UL /* Mode DEFAULT for USART_TXDOUBLEX */
@ -897,6 +912,7 @@
#define _USART_TXDOUBLE_RESETVALUE 0x00000000UL /* Default value for USART_TXDOUBLE */
#define _USART_TXDOUBLE_MASK 0x0000FFFFUL /* Mask for USART_TXDOUBLE */
#define _USART_TXDOUBLE_TXDATA0_SHIFT 0 /* Shift value for USART_TXDATA0 */
#define _USART_TXDOUBLE_TXDATA0_MASK 0xFFUL /* Bit mask for USART_TXDATA0 */
#define _USART_TXDOUBLE_TXDATA0_DEFAULT 0x00000000UL /* Mode DEFAULT for USART_TXDOUBLE */
@ -910,6 +926,7 @@
#define _USART_IF_RESETVALUE 0x00000002UL /* Default value for USART_IF */
#define _USART_IF_MASK 0x00001FFFUL /* Mask for USART_IF */
#define USART_IF_TXC (0x1UL << 0) /* TX Complete Interrupt Flag */
#define _USART_IF_TXC_SHIFT 0 /* Shift value for USART_TXC */
#define _USART_IF_TXC_MASK 0x1UL /* Bit mask for USART_TXC */
@ -980,6 +997,7 @@
#define _USART_IFS_RESETVALUE 0x00000000UL /* Default value for USART_IFS */
#define _USART_IFS_MASK 0x00001FF9UL /* Mask for USART_IFS */
#define USART_IFS_TXC (0x1UL << 0) /* Set TX Complete Interrupt Flag */
#define _USART_IFS_TXC_SHIFT 0 /* Shift value for USART_TXC */
#define _USART_IFS_TXC_MASK 0x1UL /* Bit mask for USART_TXC */
@ -1040,6 +1058,7 @@
#define _USART_IFC_RESETVALUE 0x00000000UL /* Default value for USART_IFC */
#define _USART_IFC_MASK 0x00001FF9UL /* Mask for USART_IFC */
#define USART_IFC_TXC (0x1UL << 0) /* Clear TX Complete Interrupt Flag */
#define _USART_IFC_TXC_SHIFT 0 /* Shift value for USART_TXC */
#define _USART_IFC_TXC_MASK 0x1UL /* Bit mask for USART_TXC */
@ -1100,6 +1119,7 @@
#define _USART_IEN_RESETVALUE 0x00000000UL /* Default value for USART_IEN */
#define _USART_IEN_MASK 0x00001FFFUL /* Mask for USART_IEN */
#define USART_IEN_TXC (0x1UL << 0) /* TX Complete Interrupt Enable */
#define _USART_IEN_TXC_SHIFT 0 /* Shift value for USART_TXC */
#define _USART_IEN_TXC_MASK 0x1UL /* Bit mask for USART_TXC */
@ -1170,6 +1190,7 @@
#define _USART_IRCTRL_RESETVALUE 0x00000000UL /* Default value for USART_IRCTRL */
#define _USART_IRCTRL_MASK 0x000000FFUL /* Mask for USART_IRCTRL */
#define USART_IRCTRL_IREN (0x1UL << 0) /* Enable IrDA Module */
#define _USART_IRCTRL_IREN_SHIFT 0 /* Shift value for USART_IREN */
#define _USART_IRCTRL_IREN_MASK 0x1UL /* Bit mask for USART_IREN */
@ -1222,6 +1243,7 @@
#define _USART_ROUTE_RESETVALUE 0x00000000UL /* Default value for USART_ROUTE */
#define _USART_ROUTE_MASK 0x0000070FUL /* Mask for USART_ROUTE */
#define USART_ROUTE_RXPEN (0x1UL << 0) /* RX Pin Enable */
#define _USART_ROUTE_RXPEN_SHIFT 0 /* Shift value for USART_RXPEN */
#define _USART_ROUTE_RXPEN_MASK 0x1UL /* Bit mask for USART_RXPEN */
@ -1263,6 +1285,7 @@
#define _USART_INPUT_RESETVALUE 0x00000000UL /* Default value for USART_INPUT */
#define _USART_INPUT_MASK 0x0000001FUL /* Mask for USART_INPUT */
#define _USART_INPUT_RXPRSSEL_SHIFT 0 /* Shift value for USART_RXPRSSEL */
#define _USART_INPUT_RXPRSSEL_MASK 0xFUL /* Bit mask for USART_RXPRSSEL */
#define _USART_INPUT_RXPRSSEL_DEFAULT 0x00000000UL /* Mode DEFAULT for USART_INPUT */
@ -1301,6 +1324,7 @@
#define _USART_I2SCTRL_RESETVALUE 0x00000000UL /* Default value for USART_I2SCTRL */
#define _USART_I2SCTRL_MASK 0x0000071FUL /* Mask for USART_I2SCTRL */
#define USART_I2SCTRL_EN (0x1UL << 0) /* Enable I2S Mode */
#define _USART_I2SCTRL_EN_SHIFT 0 /* Shift value for USART_EN */
#define _USART_I2SCTRL_EN_MASK 0x1UL /* Bit mask for USART_EN */

145
arch/arm/src/efm32/efm32_lowputc.c
View File

@ -40,9 +40,59 @@
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include <arch/board/board.h>
#include "up_arch.h"
#include "chip/efm32_memorymap.h"
#include "chip/efm32_usart.h"
#include "chip/efm32_cmu.h"
#include "efm32_lowputc.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Console U[S]ART base address */
#ifdef HAVE_SERIAL_CONSOLE
# if defined(CONFIG_USART0_SERIAL_CONSOLE)
# define CONSOLE_BASE EFM32_USART0_BASE
# define CONSOLE_BAUD CONFIG_USART0_BAUD
# define CONSOLE_PARITY CONFIG_USART0_PARITY
# define CONSOLE_NBITS CONFIG_UART0_BITS
# define CONSOLE_2STOP CONFIG_UART0_2STOP
# elif defined(CONFIG_USART1_SERIAL_CONSOLE)
# define CONSOLE_BASE EFM32_USART1_BASE
# define CONSOLE_BAUD CONFIG_USART1_BAUD
# define CONSOLE_PARITY CONFIG_USART1_PARITY
# define CONSOLE_NBITS CONFIG_UART1_BITS
# define CONSOLE_2STOP CONFIG_UART1_2STOP
# elif defined(CONFIG_USART2_SERIAL_CONSOLE)
# define CONSOLE_BASE EFM32_USART2_BASE
# define CONSOLE_BAUD CONFIG_USART2_BAUD
# define CONSOLE_PARITY CONFIG_USART2_PARITY
# define CONSOLE_NBITS CONFIG_UART2_BITS
# define CONSOLE_2STOP CONFIG_UART2_2STOP
# elif defined(CONFIG_UART0_SERIAL_CONSOLE)
# define CONSOLE_BASE EFM32_UART0_BASE
# define CONSOLE_BAUD CONFIG_UART0_BAUD
# define CONSOLE_PARITY CONFIG_UART0_PARITY
# define CONSOLE_NBITS CONFIG_UART0_BITS
# define CONSOLE_2STOP CONFIG_UART0_2STOP
# elif defined(CONFIG_UART1_SERIAL_CONSOLE)
# define CONSOLE_BASE EFM32_UART1_BASE
# define CONSOLE_BAUD CONFIG_UART1_BAUD
# define CONSOLE_PARITY CONFIG_UART1_PARITY
# define CONSOLE_NBITS CONFIG_UART1_BITS
# define CONSOLE_2STOP CONFIG_UART1_2STOP
# else
# error No console is selected???? Internal craziness!!!
# endif
#endif /* HAVE_SERIAL_CONSOLE */
/****************************************************************************
* Public Functions
****************************************************************************/
@ -60,7 +110,96 @@
void efm32_lowsetup(void)
{
#warning Missing logic
#ifdef HAVE_UART_DEVICE
uint32_t regval;
/* Enable clocking to configured UART/USART devices */
regval = getreg32(EFM32_CMU_HFPERCLKEN0);
regval &= ~(CMU_HFPERCLKEN0_USART0
| CMU_HFPERCLKEN0_USART1
#ifdef CONFIG_EFM32_HAVE_USART2
| CMU_HFPERCLKEN0_USART2
#endif
#ifdef CONFIG_EFM32_HAVE_UART0
| CMU_HFPERCLKEN0_UART0
#endif
#ifdef CONFIG_EFM32_HAVE_UART1
| CMU_HFPERCLKEN0_UART1
#endif
);
#ifdef CONFIG_EFM32_USART0
regval |= CMU_HFPERCLKEN0_USART0;
#endif
#ifdef CONFIG_EFM32_USART1
regval |= CMU_HFPERCLKEN0_USART1;
#endif
#ifdef CONFIG_EFM32_USART2
regval |= CMU_HFPERCLKEN0_USART2;
#endif
#ifdef CONFIG_EFM32_UART0
regval |= CMU_HFPERCLKEN0_UART0;
#endif
#ifdef CONFIG_EFM32_UART1
regval |= CMU_HFPERCLKEN0_UART1;
#endif
putreg32(regval, EFM32_CMU_HFPERCLKEN0);
/* Set location in the ROUTE register */
#ifdef CONFIG_EFM32_USART0
regval = (USART_ROUTE_RXPEN | USART_ROUTE_TXPEN |
(BOARD_USART0_ROUTE_LOCATION << _USART_ROUTE_LOCATION_SHIFT));
putreg32(regval, EFM32_USART0_ROUTE);
#endif
#ifdef CONFIG_EFM32_USART1
regval = (USART_ROUTE_RXPEN | USART_ROUTE_TXPEN |
(BOARD_USART1_ROUTE_LOCATION << _USART_ROUTE_LOCATION_SHIFT));
putreg32(regval, EFM32_USART1_ROUTE);
#endif
#ifdef CONFIG_EFM32_USART2
regval = (USART_ROUTE_RXPEN | USART_ROUTE_TXPEN |
(BOARD_USART2_ROUTE_LOCATION << _USART_ROUTE_LOCATION_SHIFT));
putreg32(regval, EFM32_USART2_ROUTE);
#endif
#ifdef CONFIG_EFM32_UART0
regval = (USART_ROUTE_RXPEN | USART_ROUTE_TXPEN |
(BOARD_UART0_ROUTE_LOCATION << _USART_ROUTE_LOCATION_SHIFT));
putreg32(regval, EFM32_UART0_ROUTE);
#endif
#ifdef CONFIG_EFM32_UART1
regval = (USART_ROUTE_RXPEN | USART_ROUTE_TXPEN |
(BOARD_UART1_ROUTE_LOCATION << _USART_ROUTE_LOCATION_SHIFT));
putreg32(regval, EFM32_UART1_ROUTE);
#endif
#endif /* HAVE_UART_DEVICE */
#ifdef CONFIG_EFM32_LEUART0
# warning Missing LEUART0 support
#endif
#ifdef CONFIG_EFM32_LEUART1
# warning Missing LEUART1 support
#endif
#ifdef HAVE_SERIAL_CONSOLE
/* Configure the serial console */
efm32_uartconfigure(CONSOLE_BASE, CONSOLE_BAUD, CONSOLE_PARITY,
CONSOLE_NBITS, CONSOLE_2STOP);
#endif
}
/*****************************************************************************
@ -87,8 +226,8 @@ void efm32_lowputc(uint32_t ch)
*****************************************************************************/
#ifdef HAVE_UART_DEVICE
void efm32_uartconfigure(uintptr_t uart_base, uint32_t baud, uint32_t clock,
unsigned int parity, unsigned int nbits)
void efm32_uartconfigure(uintptr_t uart_base, uint32_t baud,
unsigned int parity, unsigned int nbits, bool stop2)
{
#warning Missing logic
}

4
arch/arm/src/efm32/efm32_lowputc.h
View File

@ -84,8 +84,8 @@ void efm32_lowputc(uint32_t ch);
*****************************************************************************/
#ifdef HAVE_UART_DEVICE
void efm32_uartconfigure(uintptr_t uart_base, uint32_t baud, uint32_t clock,
unsigned int parity, unsigned int nbits);
void efm32_uartconfigure(uintptr_t uart_base, uint32_t baud,
unsigned int parity, unsigned int nbits, bool stop2);
#endif
#endif /* __ARCH_ARM_SRC_EFM32_EFM32_LOWPUTC_H */

2
configs/efm32-g8xx-stk/README.txt
View File

@ -88,8 +88,10 @@ Serial Console
US2_TX #0 PC2 UIF_LED2
US2_TX #1 PB3 LCD_PB3, LCD_SEG20
------- -- ----
U0_RX #0 PF7 LCD_PF7, LCD_SEG25
U0_RX #1 PE1 **AVAILABLE at TP130** (if BC_EN is low, see below)
U0_RX #2 PA4 LCD_PA4, LCD_SEG17
U0_RX #3 PC15 MCUDBG_TDO_SWO
U0_TX #0 PF6 LCD_PF6, LCD_SEG24
U0_TX #1 PE0 **AVAILABLE at TP129** (if BC_EN is low, see below)

10
configs/efm32-g8xx-stk/include/board.h
View File

@ -45,6 +45,7 @@
#include <stdbool.h>
#include "chip/efm32_cmu.h"
#include "chip/efm32_usart.h"
/****************************************************************************
* Pre-Processor Definitions
@ -193,6 +194,15 @@
#define LED_ASSERTION 6 /* LED1 + LED2 + LED3 */
#define LED_PANIC 7 /* N/C + N/C + N/C + LED4 */
/* Pin routing **************************************************************/
/* UART0:
*
* U0_RX #1 PE1 **AVAILABLE at TP130**
* U0_TX #1 PE0 **AVAILABLE at TP129**
*/
#define BOARD_UART0_ROUTE_LOCATION _USART_ROUTE_LOCATION_LOC1
/****************************************************************************
* Public Function Prototypes
****************************************************************************/