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17 changes: 10 additions & 7 deletions bsp/cvitek/drivers/drv_spi.c
Original file line number Diff line number Diff line change
Expand Up @@ -73,7 +73,6 @@ static rt_err_t spi_configure(struct rt_spi_device *device, struct rt_spi_config
RT_ASSERT(device->bus->parent.user_data != RT_NULL);
RT_ASSERT(cfg != RT_NULL);

rt_err_t ret = RT_EOK;
struct _device_spi *spi = (struct _device_spi *)device->bus->parent.user_data;
struct dw_spi *dws = &spi->dws;

Expand Down Expand Up @@ -139,9 +138,6 @@ static rt_err_t spi_configure(struct rt_spi_device *device, struct rt_spi_config

static rt_err_t dw_spi_transfer_one(struct dw_spi *dws, const void *tx_buf, void *rx_buf, uint32_t len, enum transfer_type tran_type)
{
uint8_t imask = 0;
uint16_t txlevel = 0;

dws->tx = NULL;
dws->tx_end = NULL;
dws->rx = NULL;
Expand Down Expand Up @@ -198,7 +194,7 @@ static rt_ssize_t spi_xfer(struct rt_spi_device *device, struct rt_spi_message *

struct _device_spi *spi = (struct _device_spi *)device->bus->parent.user_data;
struct dw_spi *dws = &spi->dws;
int32_t ret = 0;
int32_t ret = RT_EOK;

if (message->send_buf && message->recv_buf)
{
Expand All @@ -214,6 +210,14 @@ static rt_ssize_t spi_xfer(struct rt_spi_device *device, struct rt_spi_message *
{
ret = dw_spi_transfer_one(dws, RT_NULL, message->recv_buf, message->length, POLL_TRAN);

} else {
return 0;
}

if (ret != RT_EOK)
{
LOG_E("spi transfer error : %d", ret);
return 0;
}

return message->length;
Expand Down Expand Up @@ -329,13 +333,12 @@ static void rt_hw_spi_pinmux_config()
int rt_hw_spi_init(void)
{
rt_err_t ret = RT_EOK;
struct dw_spi *dws;

rt_hw_spi_pinmux_config();

for (rt_size_t i = 0; i < sizeof(_spi_obj) / sizeof(struct _device_spi); i++)
{
_spi_obj[i].dws.regs = (rt_ubase_t)DRV_IOREMAP((void *)_spi_obj[i].dws.regs, 0x1000);
_spi_obj[i].dws.regs = (void *)DRV_IOREMAP((void *)_spi_obj[i].dws.regs, 0x1000);

_spi_obj[i].spi_bus.parent.user_data = (void *)&_spi_obj[i];
ret = rt_spi_bus_register(&_spi_obj[i].spi_bus, _spi_obj[i].device_name, &_spi_ops);
Expand Down
8 changes: 6 additions & 2 deletions bsp/cvitek/drivers/libraries/spi/dw_spi.c
Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
* limitations under the License.
*/
#include <errno.h>
#include <rtthread.h>
#include <string.h>
#include <stdio.h>

Expand All @@ -23,9 +24,12 @@
#include <rthw.h>

#ifdef SPI_DEBUG
#define SP_DEBUG_LOG printf
#define SP_DEBUG_LOG(fmt, ...) \
do { \
rt_kprintf(fmt, ##__VA_ARGS__); \
} while(0)
#else
#define SP_DEBUG_LOG
#define SP_DEBUG_LOG(fmt, ...)
#endif

/* Restart the controller, disable all interrupts, clean rx fifo */
Expand Down