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authorKeith Packard <keithp@keithp.com>2012-10-24 23:55:00 -0700
committerKeith Packard <keithp@keithp.com>2012-10-25 00:07:14 -0700
commit09aa379fc57cd4f30c18c7bda2532a79109354c2 (patch)
tree4489d821738dc9bd00c774dd0501ad1590bebefd /src
parent097c931c979d3652ef8e279ba66bb7ce758f37a3 (diff)
altos: Force beep timer regs reload when enabling beeper
Without this, there can be a long delay between asking for the beeper and having it actually start sounding. Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src')
-rw-r--r--src/stm/ao_beep_stm.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/src/stm/ao_beep_stm.c b/src/stm/ao_beep_stm.c
index 37c30e25..4761fbfc 100644
--- a/src/stm/ao_beep_stm.c
+++ b/src/stm/ao_beep_stm.c
@@ -26,15 +26,6 @@ ao_beep(uint8_t beep)
} else {
stm_rcc.apb1enr |= (1 << STM_RCC_APB1ENR_TIM3EN);
- stm_tim3.cr1 = ((STM_TIM234_CR1_CKD_1 << STM_TIM234_CR1_CKD) |
- (0 << STM_TIM234_CR1_ARPE) |
- (STM_TIM234_CR1_CMS_EDGE << STM_TIM234_CR1_CMS) |
- (0 << STM_TIM234_CR1_DIR) |
- (0 << STM_TIM234_CR1_OPM) |
- (0 << STM_TIM234_CR1_URS) |
- (0 << STM_TIM234_CR1_UDIS) |
- (0 << STM_TIM234_CR1_CEN));
-
stm_tim3.cr2 = ((0 << STM_TIM234_CR2_TI1S) |
(STM_TIM234_CR2_MMS_RESET << STM_TIM234_CR2_MMS) |
(0 << STM_TIM234_CR2_CCDS));
@@ -102,6 +93,9 @@ ao_beep(uint8_t beep)
(0 << STM_TIM234_CR1_URS) |
(0 << STM_TIM234_CR1_UDIS) |
(1 << STM_TIM234_CR1_CEN));
+
+ /* Update the values */
+ stm_tim3.egr = (1 << STM_TIM234_EGR_UG);
}
}