I2C test update

2023-08-22 14:33:27 +08:00
parent feb0d29fc9
commit cdb2be7ca4
3 changed files with 89 additions and 3 deletions
@@ -0,0 +1,96 @@
+/*
+* 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_i2c.c
+* @brief:   a application of i2c function
+* @version: 1.1
+* @author:  AIIT XUOS Lab
+* @date:    2022/12/17
+*/
+#include <stdio.h>
+#include <string.h>
+#include <transform.h>
+#ifdef ADD_XIZI_FEATURES
+
+#define I2C_SLAVE_ADDRESS 0x0012U
+
+int OpenIic(void)
+{
+    int iic_fd = PrivOpen(I2C_DEV_DRIVER, O_RDWR);
+    if (iic_fd < 0)
+    {
+        printf("[TestI2C] Open iic_fd fd error: %d\n", iic_fd);
+        return -ERROR;
+    }
+    printf("[TestI2C] IIC open successful!\n");
+
+    uint16 iic_address = I2C_SLAVE_ADDRESS;
+
+    struct PrivIoctlCfg ioctl_cfg;
+    ioctl_cfg.ioctl_driver_type = I2C_TYPE;
+    ioctl_cfg.args = (void *)&iic_address;
+
+    if (0 != PrivIoctl(iic_fd, OPE_INT, &ioctl_cfg))
+    {
+        printf("[TestI2C] Ioctl iic fd error %d\n", iic_fd);
+        PrivClose(iic_fd);
+        return -ERROR;
+    }
+    printf("IIC configure successful!\n");
+
+    return iic_fd;
+}
+
+static const int nr_transmit = 15;
+
+void TestMasterI2c(void)
+{
+    char recv_buff[13] = { 0 };
+
+    int iic_fd = OpenIic();
+    if (iic_fd < 0) {
+        printf("[%s] Error open iic\n", __func__);
+        return;
+    }
+
+    for (int transmit_cnt = 0; transmit_cnt < nr_transmit; transmit_cnt++) {
+        // wait if you like.
+        PrivTaskDelay(500);
+        memset(recv_buff, 0, sizeof(recv_buff));
+        PrivRead(iic_fd, recv_buff, sizeof(recv_buff));
+        printf("[%s] Msg recv: %s\n", __func__, recv_buff);
+    }
+
+    PrivClose(iic_fd);
+}
+
+void TestSlaveI2c(void)
+{
+    char send_buff[] = "Hello, World";
+
+    int iic_fd = OpenIic();
+
+    for (int transmit_cnt = 0; transmit_cnt < nr_transmit; transmit_cnt++) {
+        // wait if you like.
+        PrivTaskDelay(500);
+        PrivWrite(iic_fd, send_buff, sizeof(send_buff));
+        printf("[%s] Msg send: %s\n", __func__, send_buff);
+    }
+
+    PrivClose(iic_fd);
+}
+
+PRIV_SHELL_CMD_FUNCTION(TestMasterI2c, a iic test sample, PRIV_SHELL_CMD_MAIN_ATTR);
+PRIV_SHELL_CMD_FUNCTION(TestSlaveI2c, a iic test sample, PRIV_SHELL_CMD_MAIN_ATTR);
+
+#endif