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[spi]添加rt_spi_bus_attach_device_cspin 函数 (#6916)

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这个函数实现了原先的挂载功能，并且调用pin框架，初始化cs引脚，是一个功能相对完善的挂载函数。用户也能更简单的使用。
该函数取代rt_spi_bus_attach_device，后续rt_spi_bus_attach_device会被逐渐淘汰掉。新的BSP以及软件包应当使用rt_spi_bus_attach_device_cspin新函数。

STM32L475潘多拉测试通过。
This commit is contained in:
liYangYang
2023-02-11 22:14:54 -05:00
committed by GitHub
parent e4edf7e182
commit 1eec660b12
5 changed files with 34 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files
components/drivers/include/drivers/spi.h
+7
View File
@@ -177,6 +177,13 @@ rt_err_t rt_spi_bus_attach_device(struct rt_spi_device *device,
const char *bus_name,
void *user_data);
/* attach a device on SPI bus with CS pin */
rt_err_t rt_spi_bus_attach_device_cspin(struct rt_spi_device *device,
const char *name,
const char *bus_name,
rt_base_t cs_pin,
void *user_data);
/**
* This function takes SPI bus.
*
components/drivers/spi/spi_core.c
+21 -6
View File
@@ -1,5 +1,5 @@
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
@@ -40,10 +40,11 @@ rt_err_t rt_spi_bus_register(struct rt_spi_bus *bus,
return RT_EOK;
}
rt_err_t rt_spi_bus_attach_device(struct rt_spi_device *device,
const char *name,
const char *bus_name,
void *user_data)
rt_err_t rt_spi_bus_attach_device_cspin(struct rt_spi_device *device,
const char *name,
const char *bus_name,
rt_base_t cs_pin,
void *user_data)
{
rt_err_t result;
rt_device_t bus;
@@ -59,9 +60,15 @@ rt_err_t rt_spi_bus_attach_device(struct rt_spi_device *device,
if (result != RT_EOK)
return result;
if(cs_pin != PIN_NONE)
{
rt_pin_mode(cs_pin, PIN_MODE_OUTPUT);
rt_pin_write(cs_pin, PIN_HIGH);
}
rt_memset(&device->config, 0, sizeof(device->config));
device->parent.user_data = user_data;
device->cs_pin = cs_pin;
return RT_EOK;
}
@@ -69,6 +76,14 @@ rt_err_t rt_spi_bus_attach_device(struct rt_spi_device *device,
return -RT_ERROR;
}
rt_err_t rt_spi_bus_attach_device(struct rt_spi_device *device,
const char *name,
const char *bus_name,
void *user_data)
{
return rt_spi_bus_attach_device_cspin(device, name, bus_name, PIN_NONE, user_data);
}
rt_err_t rt_spi_configure(struct rt_spi_device *device,
struct rt_spi_configuration *cfg)
{