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修复"response+1"导致STM32 HAL库SPI内存非对齐访问的hard fault

This commit is contained in:
SimpleInit 2020-08-26 21:00:23 +08:00
parent 5b3ec9490c
commit 4a654414e3
1 changed files with 27 additions and 0 deletions
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27
components/drivers/spi/spi_msd.c
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@ -233,6 +233,17 @@ static rt_err_t _send_cmd(
}
else if (type == response_r2)
{
#if defined(__CORTEX_M) && __CORTEX_M == 0
/* initial message */
message.send_buf = RT_NULL;
message.recv_buf = recv_buffer;
message.length = 1;
message.cs_take = message.cs_release = 0;
/* transfer message */
device->bus->ops->xfer(device, &message);
response[1] = recv_buffer[0];
#else
/* initial message */
message.send_buf = RT_NULL;
message.recv_buf = response + 1;
@ -241,9 +252,24 @@ static rt_err_t _send_cmd(
/* transfer message */
device->bus->ops->xfer(device, &message);
#endif
}
else if ((type == response_r3) || (type == response_r7))
{
#if defined(__CORTEX_M) && __CORTEX_M == 0
/* initial message */
message.send_buf = RT_NULL;
message.recv_buf = recv_buffer;
message.length = 4;
message.cs_take = message.cs_release = 0;
/* transfer message */
device->bus->ops->xfer(device, &message);
response[1] = recv_buffer[0];
response[2] = recv_buffer[1];
response[3] = recv_buffer[2];
response[4] = recv_buffer[3];
#else
/* initial message */
message.send_buf = RT_NULL;
message.recv_buf = response + 1;
@ -252,6 +278,7 @@ static rt_err_t _send_cmd(
/* transfer message */
device->bus->ops->xfer(device, &message);
#endif
}
else
{