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Merge pull request #3990 from thread-liu/develop 

[update] openamp driver and add rs485 driver
This commit is contained in:
Bernard Xiong 2020-10-28 18:56:17 +08:00 committed by GitHub
parent 9cd38972a2 d2d6fc47af
commit 6a3c57519b
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 167 additions and 10 deletions
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23
bsp/stm32/stm32mp157a-st-discovery/board/Kconfig
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@ -35,9 +35,24 @@ menu "Onboard Peripheral Drivers"
config BSP_USING_OPENAMP
bool "Enable OpenAMP"
select RT_USING_OPENAMP
default n
menuconfig BSP_USING_RS485
bool "Enable RS485 "
default n
if BSP_USING_RS485
comment "set rts pin number "
config BSP_RS485_RTS_PIN
int "RS485 rts pin number"
range 1 176
default 5
config RS485_UART_DEVICE_NAME
string "the uart name for rs485"
default "uart3"
endif
endmenu
menu "On-chip Peripheral Drivers"
@ -59,12 +74,10 @@ menu "On-chip Peripheral Drivers"
config BSP_USING_UART3
bool "Enable UART3"
default y
config BSP_UART3_RX_USING_DMA
bool "Enable UART3 RX DMA"
depends on BSP_USING_UART4 && RT_SERIAL_USING_DMA
depends on BSP_USING_UART3 && RT_SERIAL_USING_DMA
default n
config BSP_UART3_TX_USING_DMA
bool "Enable UART3 TX DMA"
depends on BSP_USING_UART3 && RT_SERIAL_USING_DMA
@ -73,12 +86,10 @@ menu "On-chip Peripheral Drivers"
config BSP_USING_UART4
bool "Enable UART4"
default y
config BSP_UART4_RX_USING_DMA
bool "Enable UART4 RX DMA"
depends on BSP_USING_UART4 && RT_SERIAL_USING_DMA
default n
config BSP_UART4_TX_USING_DMA
bool "Enable UART4 TX DMA"
depends on BSP_USING_UART4 && RT_SERIAL_USING_DMA

3
bsp/stm32/stm32mp157a-st-discovery/board/SConscript
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@ -37,6 +37,9 @@ if GetDepend(['BSP_USING_TIM14']):
if GetDepend(['BSP_USING_PMIC']):
src += Glob('ports/drv_pmic.c')
if GetDepend(['BSP_USING_RS485']):
src += Glob('ports/drv_rs485.c')
if GetDepend(['BSP_USING_OPENAMP']):
src += Glob('CubeMX_Config/CM4/Src/ipcc.c')
src += Glob('CubeMX_Config/CM4/Src/openamp.c')

6
bsp/stm32/stm32mp157a-st-discovery/board/ports/OpenAMP/drv_openamp.c
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@ -12,6 +12,7 @@
#ifdef BSP_USING_OPENAMP
#include <finsh.h>
#include <drv_openamp.h>
#include <openamp.h>
#include <virt_uart.h>
@ -234,6 +235,11 @@ int rt_hw_openamp_init(void)
openamp_init();
rt_hw_openamp_register(&dev_openamp, "openamp", 0, NULL);
if (RT_CONSOLE_DEVICE_NAME == "openamp")
{
rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
}
return RT_EOK;
}

9
bsp/stm32/stm32mp157a-st-discovery/board/ports/drv_rcc.c
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@ -9,6 +9,7 @@
*/
#include "board.h"
//#define DRV_DEBUG
#define LOG_TAG "drv.rcc"
#include <drv_log.h>
@ -17,12 +18,12 @@
static void enable_clock(void)
{
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE();
}
static void disable_clock(void)
{
__HAL_RCC_GPIOD_CLK_DISABLE();
__HAL_RCC_GPIOH_CLK_DISABLE();
}
static int rcc_sample(int argc, char *argv[])
@ -47,8 +48,8 @@ static int rcc_sample(int argc, char *argv[])
_exit:
{
rt_kprintf("Usage:\n");
rt_kprintf("rcc_sample enable - enable GPIOD clock, the LD8 will blink '\n");
rt_kprintf("rcc_sample disable - disable GPIOD clock, the LD8 will stop blink'\n");
rt_kprintf("rcc_sample enable - enable GPIOH clock, the LD7 will blink '\n");
rt_kprintf("rcc_sample disable - disable GPIOH clock, the LD7 will stop blink'\n");
}
return -RT_ERROR;

111
bsp/stm32/stm32mp157a-st-discovery/board/ports/drv_rs485.c Normal file
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@ -0,0 +1,111 @@
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2020-10-24 thread-liu first version
*/
#include <board.h>
#include "drv_rs485.h"
#ifdef BSP_USING_RS485
#define RS485_OUT rt_pin_write(BSP_RS485_RTS_PIN, PIN_HIGH)
#define RS485_IN rt_pin_write(BSP_RS485_RTS_PIN, PIN_LOW)
static rt_device_t serial = {0};
static struct rt_semaphore rx_sem = {0};
/* uart send data callback function */
static rt_err_t rs485_output(rt_device_t dev, void * buffer)
{
return RT_EOK;
}
/* uart receive data callback function */
static rt_err_t rs485_input(rt_device_t dev, rt_size_t size)
{
rt_sem_release(&rx_sem);
return RT_EOK;
}
/* send string */
int rs485_send_data(char *tbuf, rt_uint16_t t_len)
{
/* change rs485 mode */
RS485_OUT;
/* send data */
rt_device_write(serial, 0, tbuf, t_len);
/* change rs485 mode */
RS485_IN;
return RT_EOK;
}
static void rs485_thread_entry(void *parameter)
{
char ch;
while (1)
{
/* A byte of data is read from a serial port, and if it is not read, it waits for the received semaphore */
while (rt_device_read(serial, -1, &ch, 1) != 1)
{
rt_sem_take(&rx_sem, RT_WAITING_FOREVER);
}
/* The data read through the serial port output dislocation */
ch = ch + 1;
/* send char */
rs485_send_data(&ch, 1);
}
}
/* rs485 rts pin init */
static int rs485_init(void)
{
/* find uart device */
serial = rt_device_find(RS485_UART_DEVICE_NAME);
if (!serial)
{
rt_kprintf("find %s failed!\n", RS485_UART_DEVICE_NAME);
return RT_ERROR;
}
rt_device_open(serial, RT_DEVICE_FLAG_INT_RX);
/* set receive data callback function */
rt_device_set_rx_indicate(serial, rs485_input);
/* set the send completion callback function */
rt_device_set_tx_complete(serial, rs485_output);
rt_pin_mode(BSP_RS485_RTS_PIN, PIN_MODE_OUTPUT);
RS485_IN;
rt_sem_init(&rx_sem, "rx_sem", 0, RT_IPC_FLAG_FIFO);
/* create rs485 thread */
rt_thread_t thread = rt_thread_create("rs485", rs485_thread_entry, RT_NULL, 1024, 25, 10);
if (thread != RT_NULL)
{
rt_thread_startup(thread);
}
else
{
return RT_ERROR;
}
return RT_EOK;
}
INIT_DEVICE_EXPORT(rs485_init);
#endif /* bsp_using_RS485 */

25
bsp/stm32/stm32mp157a-st-discovery/board/ports/drv_rs485.h Normal file
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@ -0,0 +1,25 @@
/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2020-10-24 thread-liu first version
*/
#ifndef __DRV_RS485_H__
#define __DRV_RS485_H__
#ifdef __cplusplus
extern "C" {
#endif
#define RS485_SEND_MODE 0
#define RS485_RECV_MODE 1
#ifdef __cplusplus
}
#endif
#endif /* drv_rs485.h */