F1: added function dma_get_count

2018-07-02 10:30:17 +02:00 · 2018-07-02 10:30:17 +02:00 · 8050dbfa58
parent 9d46a1c27d
commit 8050dbfa58
1 changed files with 6 additions and 1 deletions
--- a/STM32F1/system/libmaple/stm32f1/include/series/dma.h
+++ b/STM32F1/system/libmaple/stm32f1/include/series/dma.h
@ -538,7 +538,12 @@ static inline void dma_clear_isr_bits(dma_dev *dev, dma_tube tube) {
    dev->regs->IFCR = (1U << (4 * (tube - 1)));
 }

-/**
+
+static inline uint16 dma_get_count(dma_dev *dev, dma_tube tube) {
+    return dma_channel_regs(dev, tube)->CNDTR;
+}
+
+    /**
 * @brief Deprecated
 * STM32F1 mode flags for dma_setup_xfer(). Use dma_tube_cfg() instead.
 * @see dma_tube_cfg()