stm32: Add implementation of machine.bitstream.

Hand-written version for M0, and cycle-counter version for everything else. Signed-off-by: Jim Mussared <jim.mussared@gmail.com>
2021-08-10 01:09:31 +10:00
parent 870000f35b
commit e64cda5295
6 changed files with 215 additions and 0 deletions
--- a/py/misc.h
+++ b/py/misc.h
@@ -55,6 +55,7 @@ typedef unsigned int uint;

 // Round-up integer division
 #define MP_CEIL_DIVIDE(a, b) (((a) + (b) - 1) / (b))
+#define MP_ROUND_DIVIDE(a, b) (((a) + (b) / 2) / (b))

 /** memory allocation ******************************************/