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| author | Kevin O'Connor <kevin@koconnor.net> | 2020-12-08 09:00:47 -0500 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2020-12-08 09:00:47 -0500 |
| commit | 39a04eac5f18a2ae121de14d621a24c6a90d88f7 (patch) | |
| tree | f76a6e1fa2fe8630c1395380ffbf6dbc17b75ea4 /src | |
| parent | 6bbfc869a13209612591f9077a32d398bc8981b1 (diff) | |
| download | kutter-39a04eac5f18a2ae121de14d621a24c6a90d88f7.tar.gz kutter-39a04eac5f18a2ae121de14d621a24c6a90d88f7.tar.xz kutter-39a04eac5f18a2ae121de14d621a24c6a90d88f7.zip | |
stm32: Only use the HSI48 clock when doing "usb clock recovery"
The HSI48 clock on the stm32f042 isn't as accurate as the main HSI
clock. So, only use the HSI48 clock when using USB to synchronize
that clock.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src')
| -rw-r--r-- | src/stm32/stm32f0.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/stm32/stm32f0.c b/src/stm32/stm32f0.c index a6d5e069..3b4d35d4 100644 --- a/src/stm32/stm32f0.c +++ b/src/stm32/stm32f0.c @@ -211,7 +211,8 @@ armcm_main(void) FLASH->ACR = (1 << FLASH_ACR_LATENCY_Pos) | FLASH_ACR_PRFTBE; // Configure main clock - if (CONFIG_MACH_STM32F042 && CONFIG_STM32_CLOCK_REF_INTERNAL) + if (CONFIG_MACH_STM32F042 && CONFIG_STM32_CLOCK_REF_INTERNAL + && CONFIG_USBSERIAL) hsi48_setup(); else pll_setup(); |