feat:[drivers][spi] rt_spi_configure 添加互斥保护
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99503d3ff6
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@ -18,10 +18,23 @@ rt_err_t rt_qspi_configure(struct rt_qspi_device *device, struct rt_qspi_configu
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/* reset the CS pin */
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if (device->parent.cs_pin != PIN_NONE)
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{
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if (cfg->parent.mode & RT_SPI_CS_HIGH)
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rt_pin_write(device->parent.cs_pin, PIN_LOW);
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rt_err_t result = rt_mutex_take(&(device->parent.bus->lock), RT_WAITING_FOREVER);
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if (result == RT_EOK)
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{
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if (cfg->parent.mode & RT_SPI_CS_HIGH)
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{
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rt_pin_write(device->parent.cs_pin, PIN_LOW);
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}
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else
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{
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rt_pin_write(device->parent.cs_pin, PIN_HIGH);
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}
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rt_mutex_release(&(device->parent.bus->lock));
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}
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else
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rt_pin_write(device->parent.cs_pin, PIN_HIGH);
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{
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return result;
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}
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}
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/* If the configurations are the same, we don't need to set again. */
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@ -135,10 +135,23 @@ rt_err_t rt_spi_configure(struct rt_spi_device *device,
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/* reset the CS pin */
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if (device->cs_pin != PIN_NONE)
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{
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if (cfg->mode & RT_SPI_CS_HIGH)
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rt_pin_write(device->cs_pin, PIN_LOW);
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rt_err_t result = rt_mutex_take(&(device->bus->lock), RT_WAITING_FOREVER);
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if (result == RT_EOK)
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{
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if (cfg->mode & RT_SPI_CS_HIGH)
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{
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rt_pin_write(device->cs_pin, PIN_LOW);
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}
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else
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{
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rt_pin_write(device->cs_pin, PIN_HIGH);
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}
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rt_mutex_release(&(device->bus->lock));
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}
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else
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rt_pin_write(device->cs_pin, PIN_HIGH);
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{
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return result;
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}
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}
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/* If the configurations are the same, we don't need to set again. */
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