diff options
| author | vandoul <[email protected]> | 2023-02-20 12:09:27 +0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2023-02-19 23:09:27 -0500 |
| commit | c377c4bea3550d2b5fd4dfbc7cb794292c3ffe10 (patch) | |
| tree | f1747e273a7ffd65a198c02038c9a4d3ba23934a | |
| parent | 1b3d287ceef877ad298507acaa081677936abe01 (diff) | |
[nxp][lpc55sxx] add status to lpc_i2c_bus in drv_i2c for lpc55sxx. (#6935)
添加一个status，判断I2C执行结果来修复i2c传输始终正确的BUG。
| -rw-r--r-- | bsp/lpc55sxx/Libraries/drivers/drv_i2c.c | 7 | ||||
| -rw-r--r-- | bsp/lpc55sxx/lpc55s69_nxp_evk/.gitignore | 3 |
2 files changed, 10 insertions, 0 deletions
diff --git a/bsp/lpc55sxx/Libraries/drivers/drv_i2c.c b/bsp/lpc55sxx/Libraries/drivers/drv_i2c.c index bf83c41143..fbd96d00c8 100644 --- a/bsp/lpc55sxx/Libraries/drivers/drv_i2c.c +++ b/bsp/lpc55sxx/Libraries/drivers/drv_i2c.c @@ -6,6 +6,7 @@ * Change Logs: * Date Author Notes * 2019-07-15 Magicoe The first version for LPC55S6x + * 2023-02-17 Vandoul Add status to lpc_i2c_bus. */ #include <rtthread.h> @@ -41,6 +42,7 @@ struct lpc_i2c_bus uint32_t instance; uint32_t baud; char *device_name; + uint32_t status; }; @@ -63,6 +65,7 @@ struct lpc_i2c_bus lpc_obj[] = static void i2c_mst_dma_callback(I2C_Type *base, i2c_master_dma_handle_t *handle, status_t status, void *userData) { struct lpc_i2c_bus *lpc_i2c = (struct lpc_i2c_bus*)userData; + lpc_i2c->status = status; rt_sem_release(lpc_i2c->sem); } @@ -121,6 +124,10 @@ static rt_ssize_t lpc_i2c_xfer(struct rt_i2c_bus_device *bus, return i; } rt_sem_take(lpc_i2c->sem, RT_WAITING_FOREVER); + if(lpc_i2c->status != kStatus_Success) + { + break; + } } } ret = i; diff --git a/bsp/lpc55sxx/lpc55s69_nxp_evk/.gitignore b/bsp/lpc55sxx/lpc55s69_nxp_evk/.gitignore new file mode 100644 index 0000000000..61b4d08568 --- /dev/null +++ b/bsp/lpc55sxx/lpc55s69_nxp_evk/.gitignore @@ -0,0 +1,3 @@ +project.uvguix.* +DebugConfig +EventRecorderStub.scvd
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