feat support DAC driver for aiit-arm32-board and stm32f407-st-discovery

APP_Framework/Applications/app_test/Kconfig

@@ -18,5 +18,16 @@ menu "test app"
                             default "/dev/adc1_dev"
                     endif
                 endif
+
+            menuconfig USER_TEST_DAC
+                bool "Config test dac"
+                default n
+                if USER_TEST_DAC
+                    if ADD_XIUOS_FETURES
+                        config DAC_DEV_DRIVER
+                            string "Set DAC dev path"
+                            default "/dev/dac_dev"
+                    endif
+                endif
         endif
 endmenu

APP_Framework/Applications/app_test/Makefile

@@ -8,4 +8,8 @@ ifeq ($(CONFIG_USER_TEST_ADC),y)
 	SRC_FILES += test_adc.c
 endif
 
+ifeq ($(CONFIG_USER_TEST_DAC),y)
+	SRC_FILES += test_dac.c
+endif
+
 include $(KERNEL_ROOT)/compiler.mk

APP_Framework/Applications/app_test/test_adc.c

@@ -52,7 +52,9 @@ void test_adc()
 
     printf("adc sample %u value integer %u decimal %u\n", adc_sample, (uint16)adc_value, adc_value_decimal);
 
+    PrivClose(adc_fd);
+
     return;
 }
-SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0)|SHELL_CMD_TYPE(SHELL_TYPE_CMD_MAIN),
-                                                test_adc, test_adc, read 3.3 voltage data from adc);
+// SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0)|SHELL_CMD_TYPE(SHELL_TYPE_CMD_MAIN),
+//                                                 test_adc, test_adc, read 3.3 voltage data from adc);

APP_Framework/Applications/app_test/test_dac.c

@@ -0,0 +1,60 @@
+/*
+* 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:    test_dac.c
+* @brief:   a application of dac function
+* @version: 2.0
+* @author:  AIIT XUOS Lab
+* @date:    2022/1/11
+*/
+
+#include <stdio.h>
+#include <string.h>
+#include <transform.h>
+
+void test_dac()
+{
+    int dac_fd;
+    uint16 dac_set_value = 800;
+    uint16 dac_sample, dac_value_decimal = 0;
+    float dac_value;
+
+    dac_fd = PrivOpen(DAC_DEV_DRIVER, O_RDWR);
+    if (dac_fd < 0) {
+        KPrintf("open dac fd error %d\n", dac_fd);
+        return;
+    }
+
+    struct PrivIoctlCfg ioctl_cfg;
+    ioctl_cfg.ioctl_driver_type = DAC_TYPE;
+    ioctl_cfg.args = &dac_set_value;
+    if (0 != PrivIoctl(dac_fd, OPE_CFG, &ioctl_cfg)) {
+        KPrintf("ioctl dac fd error %d\n", dac_fd);
+        PrivClose(dac_fd);
+        return;
+    }
+
+    PrivRead(dac_fd, &dac_sample, 2);
+
+    dac_value = (float)dac_sample * (3.3 / 4096);//Vref+ need to be 3.3V
+
+    dac_value_decimal = (dac_value - (uint16)dac_value) * 1000;
+
+    printf("dac sample %u value integer %u decimal %u\n", dac_sample, (uint16)dac_value, dac_value_decimal);
+
+    PrivClose(dac_fd);
+
+    return;
+}
+SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0)|SHELL_CMD_TYPE(SHELL_TYPE_CMD_MAIN),
+                                                test_dac, test_dac, set digital data to dac);

APP_Framework/Framework/transform_layer/xiuos/transform.c

@@ -155,6 +155,7 @@ int PrivIoctl(int fd, int cmd, void *args)
         ret = ioctl(fd, cmd, ioctl_cfg->args);
         break;
     case ADC_TYPE:
+    case DAC_TYPE:
         ret = ioctl(fd, cmd, ioctl_cfg->args);
         break;
     default:

APP_Framework/Framework/transform_layer/xiuos/transform.h

@@ -139,6 +139,7 @@ enum IoctlDriverType
     I2C_TYPE,
     PIN_TYPE,
     ADC_TYPE,
+    DAC_TYPE,
     DEFAULT_TYPE,
 };