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rt-thread-official
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删除非对齐地址访问语句和__CORTEX_M宏定义判断 

Signed-off-by: SimpleInit <63694297@qq.com>
This commit is contained in:
SimpleInit 2020-09-14 23:54:17 +08:00
parent bfebcac4d3
commit a70808ce9e
1 changed files with 1 additions and 22 deletions
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23
components/drivers/spi/spi_msd.c
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@ -233,8 +233,8 @@ static rt_err_t _send_cmd(
} }
else if (type == response_r2) else if (type == response_r2)
{ {
#if defined(__CORTEX_M) && __CORTEX_M == 0
/* initial message */ /* initial message */
/* Prevent non-aligned address access, use recv_buffer to receive data */
message.send_buf = RT_NULL; message.send_buf = RT_NULL;
message.recv_buf = recv_buffer; message.recv_buf = recv_buffer;
message.length = 1; message.length = 1;
@ -243,20 +243,9 @@ static rt_err_t _send_cmd(
/* transfer message */ /* transfer message */
device->bus->ops->xfer(device, &message); device->bus->ops->xfer(device, &message);
response[1] = recv_buffer[0]; response[1] = recv_buffer[0];
#else
/* initial message */
message.send_buf = RT_NULL;
message.recv_buf = response + 1;
message.length = 1;
message.cs_take = message.cs_release = 0;
/* transfer message */
device->bus->ops->xfer(device, &message);
#endif
} }
else if ((type == response_r3) || (type == response_r7)) else if ((type == response_r3) || (type == response_r7))
{ {
#if defined(__CORTEX_M) && __CORTEX_M == 0
/* initial message */ /* initial message */
message.send_buf = RT_NULL; message.send_buf = RT_NULL;
message.recv_buf = recv_buffer; message.recv_buf = recv_buffer;
@ -269,16 +258,6 @@ static rt_err_t _send_cmd(
response[2] = recv_buffer[1]; response[2] = recv_buffer[1];
response[3] = recv_buffer[2]; response[3] = recv_buffer[2];
response[4] = recv_buffer[3]; response[4] = recv_buffer[3];
#else
/* initial message */
message.send_buf = RT_NULL;
message.recv_buf = response + 1;
message.length = 4;
message.cs_take = message.cs_release = 0;
/* transfer message */
device->bus->ops->xfer(device, &message);
#endif
} }
else else
{ {