altos/stm32f1: Grab both TX/RX DMA mutexes while doing I2C

[fw/altos] / src / stm32f1 / ao_arch_funcs.h

diff --git a/src/stm32f1/ao_arch_funcs.h b/src/stm32f1/ao_arch_funcs.h
index 3a83f382faca4c3a75c73ee1cc2a6411877b0874..7004eb460ea0c18a8d9e98bcb53e81dc390e2342 100644 (file)
--- a/src/stm32f1/ao_arch_funcs.h
+++ b/src/stm32f1/ao_arch_funcs.h
@@ -350,6 +350,12 @@ ao_dma_set_transfer(uint8_t                index,
                    uint16_t            count,
                    uint32_t            ccr);
 
+void
+ao_dma_mutex_get(uint8_t index);
+
+void
+ao_dma_mutex_put(uint8_t index);
+
 void
 ao_dma_set_isr(uint8_t index, void (*isr)(int index));