Mirrors_Framework/rt-thread
1
0
Fork 0
mirror of https://github.com/RT-Thread/rt-thread.git synced 2026-09-21 10:36:04 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

[device][spi] 修复 rt_spi_sendrecv8/16 收发不同时的问题

Browse Source 
rt_spi_send_then_recv是先发再等待一个独立的消息接收
rt_spi_transfer是收发同时进行
rt_spi_sendrecv8/16应使用rt_spi_transfer而不是rt_spi_send_then_recv
This commit is contained in:
Meco Man
2023-05-22 02:55:46 -04:00
committed by Man, Jianting (Meco)
parent d8a42139bf
commit 93968942c2
2 changed files with 31 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files
components/drivers/include/drivers/spi.h
+8 -14
View File
@@ -237,10 +237,6 @@ rt_err_t rt_spi_send_then_send(struct rt_spi_device *device,
const void *send_buf2,
rt_size_t send_length2);
rt_err_t rt_spi_sendrecv16(struct rt_spi_device *device,
rt_uint16_t senddata,
rt_uint16_t *recvdata);
/**
* This function transmits data to SPI device.
*
@@ -256,6 +252,14 @@ rt_ssize_t rt_spi_transfer(struct rt_spi_device *device,
void *recv_buf,
rt_size_t length);
rt_err_t rt_spi_sendrecv8(struct rt_spi_device *device,
rt_uint8_t senddata,
rt_uint8_t *recvdata);
rt_err_t rt_spi_sendrecv16(struct rt_spi_device *device,
rt_uint16_t senddata,
rt_uint16_t *recvdata);
/**
* This function transfers a message list to the SPI device.
*
@@ -282,16 +286,6 @@ rt_inline rt_size_t rt_spi_send(struct rt_spi_device *device,
return rt_spi_transfer(device, send_buf, RT_NULL, length);
}
rt_inline rt_uint8_t rt_spi_sendrecv8(struct rt_spi_device *device,
rt_uint8_t data)
{
rt_uint8_t value = 0;
rt_spi_send_then_recv(device, &data, 1, &value, 1);
return value;
}
/**
* This function appends a message to the SPI message list.
*