fix(hal): force spiTransaction to update clock line immediately (#9221)…

… (#9333)
espressif · Mar 5, 2024 · 629ffc5 · 629ffc5
1 parent f27971e
commit 629ffc5
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/cores/esp32/esp32-hal-spi.c b/cores/esp32/esp32-hal-spi.c
@@ -1115,6 +1115,11 @@ void spiTransaction(spi_t * spi, uint32_t clockDiv, uint8_t dataMode, uint8_t bi
         spi->dev->ctrl.wr_bit_order = 1;
         spi->dev->ctrl.rd_bit_order = 1;
     }
+#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3
+    // Sync new config with hardware, fixes https://github.com/espressif/arduino-esp32/issues/9221
+    spi->dev->cmd.update = 1;
+    while (spi->dev->cmd.update);
+#endif
 }
 
 void spiSimpleTransaction(spi_t * spi)