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authorKeith Packard <keithp@keithp.com>2017-04-28 00:04:14 -0700
committerKeith Packard <keithp@keithp.com>2017-04-28 00:04:14 -0700
commit2b3c79e9d88c9bb0b5aca4bc20fa942ebcfe40fc (patch)
tree6dba3a6021c45b5133b843b63e619bc054ecc3ea /src/stmf0
parentac3fc7da669f58c7abd25b0ca8cc425238b84217 (diff)
altos/stmf0: Make sure systick is off before programming
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/stmf0')
-rw-r--r--src/stmf0/ao_timer.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/stmf0/ao_timer.c b/src/stmf0/ao_timer.c
index 5c05e4f1..50fd67b8 100644
--- a/src/stmf0/ao_timer.c
+++ b/src/stmf0/ao_timer.c
@@ -86,6 +86,7 @@ ao_timer_set_adc_interval(uint8_t interval)
void
ao_timer_init(void)
{
+ stm_systick.csr = 0;
stm_systick.rvr = SYSTICK_RELOAD;
stm_systick.cvr = 0;
stm_systick.csr = ((1 << STM_SYSTICK_CSR_ENABLE) |