diff options
| -rw-r--r-- | bsp/raspberry-pi/raspi3-32/README.md | 6 | ||||
| -rw-r--r-- | bsp/raspberry-pi/raspi3-32/driver/drv_spi.c | 13 |
2 files changed, 9 insertions, 10 deletions
diff --git a/bsp/raspberry-pi/raspi3-32/README.md b/bsp/raspberry-pi/raspi3-32/README.md index 0fef644adf..2d1e18655b 100644 --- a/bsp/raspberry-pi/raspi3-32/README.md +++ b/bsp/raspberry-pi/raspi3-32/README.md @@ -35,16 +35,16 @@ RT-Thread对树莓派的支持主要从树莓派2B开始，它是一个四核Cor Windows环境下推荐使用[env工具][1]进行编译。 -Linux下推荐使用gcc工具 [gcc-arm-none-eabi-4_8-2014q1_linux][2]，如果还没有编译工具，下载后，解开文件。 +Linux下推荐使用gcc工具 gcc-arm-none-eabi-5_4-2016q3，如果还没有编译工具，下载后，解开文件。 ``` -tar vxf gcc-arm-none-eabi-4_8-2014q1_linux.tar.bz2 +tar vxf gcc-arm-none-eabi-5_4-2016q3-20160926-linux.tar.bz2 ``` Linux环境下需要修改编译器目录设置，修改`bsp/raspi3-32/rtconfig.py`中的 ``` -EXEC_PATH = r'/opt/gcc-arm-none-eabi-4_8-2014q1_gri/bin' +EXEC_PATH = r'/opt/gcc-arm-none-eabi-5_4-2016q3/bin' ``` 为编译工具的实际所在目录，这里注意要加上后缀 `/bin` diff --git a/bsp/raspberry-pi/raspi3-32/driver/drv_spi.c b/bsp/raspberry-pi/raspi3-32/driver/drv_spi.c index 32de9970e7..eab7a08b39 100644 --- a/bsp/raspberry-pi/raspi3-32/driver/drv_spi.c +++ b/bsp/raspberry-pi/raspi3-32/driver/drv_spi.c @@ -18,9 +18,9 @@ void spi_gpio_write(rt_uint8_t pin, rt_uint8_t val) { if (val) - BCM283X_GPIO_GPSET(pin / 32) = 1 << (pin % 32); + BCM283X_GPIO_GPSET((pin / 32)) = 1 << (pin % 32); else - BCM283X_GPIO_GPCLR(pin / 32) = 0 << (pin % 32); + BCM283X_GPIO_GPCLR((pin / 32)) = 1 << (pin % 32); } struct raspi_spi_hw_config @@ -147,11 +147,10 @@ static rt_uint32_t raspi_spi_xfer(struct rt_spi_device *device, struct rt_spi_me flag = 0; else flag = 1; - - if (message->cs_take) - (config.mode & RT_SPI_CS_HIGH)? - spi_gpio_write(cs_pin, 1): - spi_gpio_write(cs_pin, 0); + if (message->cs_take); + // (config.mode & RT_SPI_CS_HIGH)? + // spi_gpio_write(cs_pin, 1): + // spi_gpio_write(cs_pin, 0); /* deal data */ res = spi_transfernb((rt_uint8_t *)message->send_buf, (rt_uint8_t *)message->recv_buf, |