Change dma.h over to a regset() strategy.

Apparently people really don't like bitfields in practice,
so I have devised a compromise to retain some readability while
using bitmasks instead by writing a regset() macro.

1 files changed, 13 insertions, 2 deletions

diff --git a/02-usart/tests/test_dma.c b/02-usart/tests/test_dma.c
index ae34a69..27ec022 100644
--- a/02-usart/tests/test_dma.c
+++ b/02-usart/tests/test_dma.c
@@ -10,13 +10,24 @@ TEST(dma, smoke)
   dma_t* dma = &DMA1;
   memset(dma, sizeof(dma), 0);
 
-  dma->is_bf.tcif1 = 1;
+  regset(dma->is_r, dma_tcif1, 1);
   ASSERT_EQ(dma->is_r, 2);
 
-  dma->is_bf.htif7 = 1;
+  regset(dma->is_r, dma_htif7, 1);
   ASSERT_EQ(dma->is_r, 67108866);
 }
 
+TEST(dma, cc_regset)
+{
+  dma_t* dma = &DMA1;
+  memset(dma, sizeof(dma), 0);
+
+  dma_channel_config_t* channel_config = &dma->channel_config[2];
+  regset(channel_config->cc_r, dma_cc_msize, DMA_SIZE_32_BITS);
+
+  ASSERT_EQ(channel_config->cc_r, 1 << 11);
+}
+
 TEST(dma, correct_align)
 {
   dma_t dma;