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| author | Bernard Xiong <[email protected]> | 2021-02-02 05:39:15 +0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2021-02-02 05:39:15 +0800 |
| commit | bb35c5d627b413f2ea92b0c5cce964ff6dd74826 (patch) | |
| tree | 99e90907010d76a4b54ff8698f8a764f8fa17664 /bsp | |
| parent | ef8b984fa1bf1ca0d90aab9404086e843fe352ae (diff) | |
| parent | 902fe8bd5e78e64e8ae0cd70399387081cd6fe47 (diff) | |
Merge pull request #4242 from 0xcccccccccccc/patch-1
[BSP][LS2K][Bug fix]修正龙芯2K平台下SPI分频系数调节不正确的错误
Diffstat (limited to 'bsp')
| -rw-r--r-- | bsp/ls2kdev/drivers/drv_spi.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/bsp/ls2kdev/drivers/drv_spi.c b/bsp/ls2kdev/drivers/drv_spi.c index 3f3ad90802..5a42acbee8 100644 --- a/bsp/ls2kdev/drivers/drv_spi.c +++ b/bsp/ls2kdev/drivers/drv_spi.c @@ -6,6 +6,7 @@ * Change Logs: * Date Author Notes * 2020-10-28 0xcccccccccccc Initial Version + * 2021-01-17 0xcccccccccccc Bug Fixed : clock division cannot been adjusted as expected due to wrong register configuration. */ /** * @addtogroup ls2k @@ -21,11 +22,11 @@ #ifdef RT_USING_SPI static void spi_init(uint8_t spre_spr, uint8_t copl, uint8_t cpha) { - SET_SPI(SPSR, 0xc0 | (spre_spr & 0b00000011)); + SET_SPI(SPSR, 0xc0); SET_SPI(PARAM, 0x40); SET_SPI(PARAM2, 0x01); SET_SPI(SPER, (spre_spr & 0b00001100) >> 2); - SET_SPI(SPCR, 0x50 | copl << 3 | cpha << 2); + SET_SPI(SPCR, 0x50 | copl << 3 | cpha << 2 | (spre_spr & 0b00000011)); SET_SPI(SOFTCS, 0xff); } |