telebt-v4.0: slow down SPI speed to radio chip

diff --git a/src/telebt-v4.0/ao_pins.h b/src/telebt-v4.0/ao_pins.h
index c0c867ac9b7244694c7ac029d75761d4b524f9fd..749f2439c77da55758e534b71668bae17a7b19fa 100644 (file)
--- a/src/telebt-v4.0/ao_pins.h
+++ b/src/telebt-v4.0/ao_pins.h
@@ -196,7 +196,7 @@ struct ao_adc {
 #define AO_CC1200_SPI_CS_PIN   11
 #define AO_CC1200_SPI_BUS      AO_SPI_1_PA5_PA6_PA7
 #define AO_CC1200_SPI          stm_spi1
-#define AO_CC1200_SPI_SPEED    AO_SPI_SPEED_FAST
+#define AO_CC1200_SPI_SPEED    AO_SPI_SPEED_6MHz
 
 #define AO_CC1200_INT_PORT             (&stm_gpiob)
 #define AO_CC1200_INT_PIN              (10)