diff options
| author | Runcheng Lu <[email protected]> | 2025-03-04 10:22:09 +0800 |
|---|---|---|
| committer | Rbb666 <[email protected]> | 2025-03-05 10:29:25 +0800 |
| commit | ba50b60817637c0508d8dddacae83f16c25be1b8 (patch) | |
| tree | d9ffd738f86d782e3f966069e0a3550e8ef7dc5b /components/drivers | |
| parent | faa8702510a9b508e1b641b17b7c196c47383aa2 (diff) | |
[components][drivers][spi]: fix: set message.parent.next to NULL for rt_qspi_send_then_recv API and rt_qspi_send API
- Ensure correct QSPI message chaining by setting next pointer to NULL, preventing unintended data transmission issues.
Signed-off-by: Runcheng Lu <[email protected]>
Diffstat (limited to 'components/drivers')
| -rw-r--r-- | components/drivers/spi/dev_qspi_core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/components/drivers/spi/dev_qspi_core.c b/components/drivers/spi/dev_qspi_core.c index 75dd35424f..f076945b64 100644 --- a/components/drivers/spi/dev_qspi_core.c +++ b/components/drivers/spi/dev_qspi_core.c @@ -199,6 +199,9 @@ rt_err_t rt_qspi_send_then_recv(struct rt_qspi_device *device, const void *send_ message.parent.cs_release = 1; message.qspi_data_lines = 1; + /* set next */ + /* Ensure correct QSPI message chaining by setting next pointer to NULL, preventing unintended data transmission issues.*/ + message.parent.next = RT_NULL; result = rt_qspi_transfer_message(device, &message); if (result == 0) @@ -282,6 +285,9 @@ rt_err_t rt_qspi_send(struct rt_qspi_device *device, const void *send_buf, rt_si message.parent.length = length - count; message.parent.cs_take = 1; message.parent.cs_release = 1; + /* set next */ + /* Ensure correct QSPI message chaining by setting next pointer to NULL, preventing unintended data transmission issues.*/ + message.parent.next = RT_NULL; result = rt_qspi_transfer_message(device, &message); if (result == 0) |