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[bsp\nrf5x]Support BSP UART0

This commit is contained in:
Maofeng 2020-04-28 03:23:09 +08:00
parent 252b9aa01c
commit 79b44d29ad
3 changed files with 89 additions and 60 deletions
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129
bsp/nrf5x/libraries/drivers/drv_uart.c
View File

@ -1,59 +1,83 @@
/*
* Copyright (c) 2006-2020, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2020-04-28 xckhmf Modify for <nrfx>
*
*/
#include <rtdevice.h>
#include <nrfx_uart.h>
#include "drv_uart.h"
static struct rt_serial_device _serial0_0;
static void uart_event_hander(nrfx_uart_event_t const *p_event,void *p_context);
#ifdef BSP_USING_UART
typedef struct
{
struct rt_serial_device *serial;
nrfx_uart_t uart;
uint8_t rx_byte;
uint16_t rx_length;
uint32_t rx_pin;
uint32_t tx_pin;
nrfx_uart_event_handler_t event_handler;
} UART_CFG_T;
} drv_uart_cfg_t;
UART_CFG_T uart0 = {
#ifdef BSP_USING_UART0
static struct rt_serial_device _serial_0;
static void uart0_event_hander(nrfx_uart_event_t const *p_event,void *p_context);
drv_uart_cfg_t m_uart0_cfg = {
.uart = NRFX_UART_INSTANCE(0),
#ifdef RT_USING_CONSOLE
.rx_pin = 8,
.tx_pin = 6,
.event_handler = uart_event_hander,
#else
.rx_pin = 19,
.tx_pin = 20
#endif
.rx_byte = 0,
.rx_length = 0,
.rx_pin = BSP_UART0_RX_PIN,
.tx_pin = BSP_UART0_TX_PIN,
.event_handler = uart0_event_hander
};
UART_CFG_T *working_cfg = RT_NULL;
#endif /* BSP_USING_UART0 */
static void uart_event_hander(nrfx_uart_event_t const *p_event,void *p_context)
{
#ifdef BSP_USING_UART1
#error <nrfx_uart> not support UART1. Use UART0 instead.
#endif /* BSP_USING_UART1 */
#ifdef BSP_USING_UART0
static void uart0_event_hander(nrfx_uart_event_t const *p_event,void *p_context)
{
if (p_event->type == NRFX_UART_EVT_RX_DONE)
{
rt_hw_serial_isr(working_cfg->serial, RT_SERIAL_EVENT_RX_IND);
if(p_event->data.rxtx.bytes == 1)
{
m_uart0_cfg.rx_length = p_event->data.rxtx.bytes;
/* rx_byte equal p_data */
//m_uart0_cfg.rx_byte = *(p_event->data.rxtx.p_data);
rt_hw_serial_isr(m_uart0_cfg.serial, RT_SERIAL_EVENT_RX_IND);
}
nrfx_uart_rx(&(m_uart0_cfg.uart),&m_uart0_cfg.rx_byte,1);
}
if (p_event->type == NRFX_UART_EVT_TX_DONE)
{
/* @TODO:[RT_DEVICE_FLAG_INT_TX]*/
}
}
#endif /* BSP_USING_UART0 */
static rt_err_t _uart_cfg(struct rt_serial_device *serial, struct serial_configure *cfg)
{
nrfx_uart_config_t config = NRFX_UART_DEFAULT_CONFIG(uart0.tx_pin,uart0.rx_pin);
UART_CFG_T *instance = &uart0;
nrfx_uart_config_t config = NRFX_UART_DEFAULT_CONFIG(BSP_UART0_TX_PIN,BSP_UART0_RX_PIN);
drv_uart_cfg_t *instance = RT_NULL;
RT_ASSERT(serial != RT_NULL);
RT_ASSERT(cfg != RT_NULL);
if (serial->parent.user_data != RT_NULL)
if (serial->parent.user_data == RT_NULL)
{
instance = (UART_CFG_T*)serial->parent.user_data;
return -RT_ERROR;
}
instance = (drv_uart_cfg_t*)serial->parent.user_data;
nrfx_uart_uninit(&(instance->uart));
switch (cfg->baud_rate)
@ -83,28 +107,23 @@ static rt_err_t _uart_cfg(struct rt_serial_device *serial, struct serial_configu
config.hal_cfg.hwfc = NRF_UART_HWFC_DISABLED;
config.pselrxd = instance->rx_pin;
config.pseltxd = instance->tx_pin;
nrfx_uart_init(&(instance->uart), &config, instance->event_handler);
nrf_uart_int_enable(instance->uart.p_reg, NRF_UART_INT_MASK_RXDRDY | NRF_UART_INT_MASK_RXTO | NRF_UART_INT_MASK_ERROR);
nrfx_uart_rx(&(instance->uart),&(instance->rx_byte),1);
nrf_uart_int_disable(instance->uart.p_reg, NRF_UART_INT_MASK_TXDRDY);
nrfx_uart_rx_enable(&(instance->uart));
working_cfg = instance;
return RT_EOK;
}
static rt_err_t _uart_ctrl(struct rt_serial_device *serial, int cmd, void *arg)
{
UART_CFG_T *instance = working_cfg;
drv_uart_cfg_t *instance = NULL;
RT_ASSERT(serial != RT_NULL);
if (serial->parent.user_data != RT_NULL)
if (serial->parent.user_data == RT_NULL)
{
instance = (UART_CFG_T*)serial->parent.user_data;
return -RT_ERROR;
}
instance = (drv_uart_cfg_t*)serial->parent.user_data;
switch (cmd)
{
@ -129,10 +148,7 @@ static rt_err_t _uart_ctrl(struct rt_serial_device *serial, int cmd, void *arg)
break;
case RT_DEVICE_CTRL_PIN:
if (working_cfg != instance)
{
_uart_cfg(instance->serial, &(instance->serial->config));
}
_uart_cfg(instance->serial, &(instance->serial->config));
break;
case RT_DEVICE_POWERSAVE:
@ -152,13 +168,13 @@ static rt_err_t _uart_ctrl(struct rt_serial_device *serial, int cmd, void *arg)
static int _uart_putc(struct rt_serial_device *serial, char c)
{
UART_CFG_T *instance = working_cfg;
drv_uart_cfg_t *instance = NULL;
int rtn = 1;
RT_ASSERT(serial != RT_NULL);
if (serial->parent.user_data != RT_NULL)
{
instance = (UART_CFG_T*)serial->parent.user_data;
instance = (drv_uart_cfg_t*)serial->parent.user_data;
}
nrf_uart_event_clear(instance->uart.p_reg, NRF_UART_EVENT_TXDRDY);
@ -171,23 +187,21 @@ static int _uart_putc(struct rt_serial_device *serial, char c)
return rtn;
}
/*
@note: this function is invaild ,the cause of the problem is [nrfx_uart.c - line 340]
*/
static int _uart_getc(struct rt_serial_device *serial)
{
int ch = -1;
UART_CFG_T *instance = working_cfg;
drv_uart_cfg_t *instance = NULL;
RT_ASSERT(serial != RT_NULL);
if (serial->parent.user_data != RT_NULL)
{
instance = (UART_CFG_T*)serial->parent.user_data;
instance = (drv_uart_cfg_t*)serial->parent.user_data;
}
if(instance->rx_length)
{
ch = instance->rx_byte;
instance->rx_length--;
}
ch = (int)(nrf_uart_rxd_get(instance->uart.p_reg));
return ch;
}
@ -202,11 +216,14 @@ void rt_hw_uart_init(void)
{
struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
config.bufsz = RT_SERIAL_RB_BUFSZ;
_serial0_0.config = config;
_serial0_0.ops = &_uart_ops;
uart0.serial = &_serial0_0;
#ifdef BSP_USING_UART0
_serial_0.config = config;
_serial_0.ops = &_uart_ops;
m_uart0_cfg.serial = &_serial_0;
rt_hw_serial_register(&_serial_0, "uart0", \
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX, &m_uart0_cfg);
#endif /* BSP_USING_UART0 */
rt_hw_serial_register(&_serial0_0, "uart0", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX, &uart0);
}
#endif /* BSP_USING_UART */

17
bsp/nrf5x/nrf52840/board/Kconfig
View File

@ -2,14 +2,14 @@ menu "Hardware Drivers Config"
config SOC_NRF52840
bool
config SOC_NRF52840
config SOC_NRF52840
select RT_USING_COMPONENTS_INIT
select RT_USING_USER_MAIN
default y
menu "Onboard Peripheral Drivers"
config BSP_USING_JLINK_TO_USART
bool "Enable JLINK TO USART (uart0)"
bool "Enable JLINK TO USART (uart0|RX_PIN:8|TX_PIN:6)"
select BSP_USING_UART
select BSP_USING_UART0
default y
@ -30,11 +30,20 @@ menu "On-chip Peripheral Drivers"
config BSP_USING_UART0
bool "Enable UART0"
default y
if BSP_USING_UART0
config BSP_UART0_RX_PIN
int "uart0 rx pin number"
range 0 31
default 8
config BSP_UART0_TX_PIN
int "uart0 tx pin number"
range 0 31
default 6
endif
config BSP_USING_UART1
bool "Enable UART1"
default n
endif
endif
endmenu
endmenu

3
bsp/nrf5x/nrf52840/rtconfig.h
View File

@ -155,10 +155,13 @@
/* Onboard Peripheral Drivers */
#define BSP_USING_JLINK_TO_USART
/* On-chip Peripheral Drivers */
#define BSP_USING_UART
#define BSP_USING_UART0
#define BSP_UART0_RX_PIN 8
#define BSP_UART0_TX_PIN 6
#endif