diff options
Diffstat (limited to 'components/drivers')
| -rw-r--r-- | components/drivers/spi/spi_msd.c | 23 |
1 files changed, 1 insertions, 22 deletions
diff --git a/components/drivers/spi/spi_msd.c b/components/drivers/spi/spi_msd.c index 272c21c179..191933e421 100644 --- a/components/drivers/spi/spi_msd.c +++ b/components/drivers/spi/spi_msd.c @@ -233,8 +233,8 @@ static rt_err_t _send_cmd( } else if (type == response_r2) { - #if defined(__CORTEX_M) && __CORTEX_M == 0 /* initial message */ + /* Prevent non-aligned address access, use recv_buffer to receive data */ message.send_buf = RT_NULL; message.recv_buf = recv_buffer; message.length = 1; @@ -243,20 +243,9 @@ static rt_err_t _send_cmd( /* 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; - 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)) { - #if defined(__CORTEX_M) && __CORTEX_M == 0 /* initial message */ message.send_buf = RT_NULL; message.recv_buf = recv_buffer; @@ -269,16 +258,6 @@ static rt_err_t _send_cmd( 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; - message.length = 4; - message.cs_take = message.cs_release = 0; - - /* transfer message */ - device->bus->ops->xfer(device, &message); - #endif } else { |