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| author | Man, Jianting (Meco) <[email protected]> | 2023-02-25 13:52:37 -0500 |
|---|---|---|
| committer | GitHub <[email protected]> | 2023-02-25 13:52:37 -0500 |
| commit | 1acef4277b02e5084310ecd7028656ae535178f5 (patch) | |
| tree | 03b6b6f0b3df75a1cef301e1e7b2b3d234213390 /bsp/at32/at32f415-start/board/src/at32_msp.c | |
| parent | 759192f5f5af23ae360818483d35974ef5b91c78 (diff) | |
| parent | e63e33a3c64327aef3556fa811df0a8ec1e0e7ee (diff) | |
Merge pull request #6981 from RT-Thread/masterserialX-dev
sync from master
Diffstat (limited to 'bsp/at32/at32f415-start/board/src/at32_msp.c')
| -rw-r--r-- | bsp/at32/at32f415-start/board/src/at32_msp.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/bsp/at32/at32f415-start/board/src/at32_msp.c b/bsp/at32/at32f415-start/board/src/at32_msp.c index e8515a00af..a72fc80e06 100644 --- a/bsp/at32/at32f415-start/board/src/at32_msp.c +++ b/bsp/at32/at32f415-start/board/src/at32_msp.c @@ -283,3 +283,43 @@ void at32_msp_can_init(void *instance) #endif } #endif /* BSP_USING_CAN */ + +#ifdef BSP_USING_USBFS +void at32_msp_usb_init(void *instance) +{ + /* enable usb clock */ + crm_periph_clock_enable(CRM_OTGFS1_PERIPH_CLOCK, TRUE); + + switch(system_core_clock) + { + /* 48MHz */ + case 48000000: + crm_usb_clock_div_set(CRM_USB_DIV_1); + break; + + /* 72MHz */ + case 72000000: + crm_usb_clock_div_set(CRM_USB_DIV_1_5); + break; + + /* 96MHz */ + case 96000000: + crm_usb_clock_div_set(CRM_USB_DIV_2); + break; + + /* 120MHz */ + case 120000000: + crm_usb_clock_div_set(CRM_USB_DIV_2_5); + break; + + /* 144MHz */ + case 144000000: + crm_usb_clock_div_set(CRM_USB_DIV_3); + break; + + default: + break; + } +} + +#endif /* BSP_USING_USBFS */ |