Adjust directory structure

2021-06-03 17:38:11 +08:00
parent 92301257f3
commit 89a2236b18
1993 changed files with 40 additions and 0 deletions
@@ -0,0 +1,117 @@
+/*
+* Copyright (c) 2020 AIIT XUOS Lab
+* XiUOS is licensed under Mulan PSL v2.
+* You can use this software according to the terms and conditions of the Mulan PSL v2.
+* You may obtain a copy of Mulan PSL v2 at:
+*        http://license.coscl.org.cn/MulanPSL2
+* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+* See the Mulan PSL v2 for more details.
+*/
+
+/**
+* @file bus_spi.c
+* @brief register spi bus function using bus driver framework
+* @version 1.0 
+* @author AIIT XUOS Lab
+* @date 2021-04-24
+*/
+
+#include <bus_spi.h>
+#include <dev_spi.h>
+
+int SpiBusInit(struct SpiBus *spi_bus, const char *bus_name)
+{
+    NULL_PARAM_CHECK(spi_bus);
+    NULL_PARAM_CHECK(bus_name);
+
+    x_err_t ret = EOK;
+
+    if (BUS_INSTALL != spi_bus->bus.bus_state) {
+        strncpy(spi_bus->bus.bus_name, bus_name, NAME_NUM_MAX);
+
+        spi_bus->bus.bus_type = TYPE_SPI_BUS;
+        spi_bus->bus.bus_state = BUS_INSTALL;
+        spi_bus->bus.private_data = spi_bus->private_data;
+
+        ret = BusRegister(&spi_bus->bus);
+        if (EOK != ret) {
+            KPrintf("SpiBusInit BusRegister error %u\n", ret);
+            return ret;
+        }
+    } else {
+        KPrintf("SpiBusInit BusRegister bus has been register state%u\n", spi_bus->bus.bus_state);        
+    }
+
+    return ret;
+}
+
+int SpiDriverInit(struct SpiDriver *spi_driver, const char *driver_name)
+{
+    NULL_PARAM_CHECK(spi_driver);
+    NULL_PARAM_CHECK(driver_name);
+
+    x_err_t ret = EOK;
+
+    if (DRV_INSTALL != spi_driver->driver.driver_state) {
+        spi_driver->driver.driver_type = TYPE_SPI_DRV;
+        spi_driver->driver.driver_state = DRV_INSTALL;
+
+        strncpy(spi_driver->driver.drv_name, driver_name, NAME_NUM_MAX);
+
+        spi_driver->driver.configure = spi_driver->configure;
+
+        ret = SpiDriverRegister(&spi_driver->driver);
+        if (EOK != ret) {
+            KPrintf("SpiDriverInit DriverRegister error %u\n", ret);
+            return ret;
+        }
+    } else {
+        KPrintf("SpiDriverInit DriverRegister driver has been register state%u\n", spi_driver->driver.driver_state);
+    }
+
+    return ret;
+}
+
+int SpiReleaseBus(struct SpiBus *spi_bus)
+{
+    NULL_PARAM_CHECK(spi_bus);
+
+    return BusRelease(&spi_bus->bus);
+}
+
+int SpiDriverAttachToBus(const char *drv_name, const char *bus_name)
+{
+    NULL_PARAM_CHECK(drv_name);
+    NULL_PARAM_CHECK(bus_name);
+    
+    x_err_t ret = EOK;
+
+    struct Bus *bus;
+    struct Driver *driver;
+
+    bus = BusFind(bus_name);
+    if (NONE == bus) {
+        KPrintf("SpiDriverAttachToBus find spi bus error!name %s\n", bus_name);
+        return ERROR;
+    }
+
+    if (TYPE_SPI_BUS == bus->bus_type) {
+        driver = SpiDriverFind(drv_name, TYPE_SPI_DRV);
+        if (NONE == driver) {
+            KPrintf("SpiDriverAttachToBus find spi driver error!name %s\n", drv_name);
+            return ERROR;
+        }
+
+        if (TYPE_SPI_DRV == driver->driver_type) {
+            ret = DriverRegisterToBus(bus, driver);
+            if (EOK != ret) {
+                KPrintf("SpiDriverAttachToBus DriverRegisterToBus error %u\n", ret);
+                return ERROR;
+            }
+        }
+    }
+
+    return ret;
+}