diff options
Diffstat (limited to 'os/hal/platforms/STM32/sdc_lld.c')
| -rw-r--r-- | os/hal/platforms/STM32/sdc_lld.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/os/hal/platforms/STM32/sdc_lld.c b/os/hal/platforms/STM32/sdc_lld.c index 43493d8dd..69c04a41a 100644 --- a/os/hal/platforms/STM32/sdc_lld.c +++ b/os/hal/platforms/STM32/sdc_lld.c @@ -319,6 +319,11 @@ bool_t sdc_lld_read_blocks(SDCDriver *sdcp, uint8_t *buf, uint32_t n) { msg_t msg;
chSysLock();
+ dmaChannelSetup(&STM32_DMA2->channels[STM32_DMA_CHANNEL_4],
+ n * SDC_BLOCK_SIZE, buf,
+ (STM32_SDC_SDIO_DMA_PRIORITY << 12) |
+ DMA_CCR1_MINC | DMA_CCR1_EN);
+
chDbgAssert(sdcp->thread == NULL, "sdc_lld_read_blocks(), #1", "not NULL");
sdcp->thread = chThdSelf();
chSchGoSleepS(THD_STATE_SUSPENDED);
|