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fix spi bug

This commit is contained in:
bigmagic 2020-02-06 16:03:31 +08:00
parent 4ec07a04e6
commit 3e533e9992
1 changed files with 6 additions and 7 deletions
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13
bsp/raspberry-pi/raspi3-32/driver/drv_spi.c
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@ -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,