更新硬件SDK

sdk/合宙/air780e/csdk/luatos-soc-2022/project/example_i2c/src/example_main.c

@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2022 OpenLuat & AirM2M
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "common_api.h"
+#include "luat_rtos.h"
+#include "luat_debug.h"
+
+#include "luat_i2c.h"
+
+luat_rtos_task_handle i2c_task_handle;
+
+#define I2C_ID                  0
+#define AHT10_ADDRESS_ADR_LOW   0x38
+
+#define AHT10_INIT              0xE1 //初始化命令
+#define AHT10_MEASURE           0xAC //触发测量命令
+#define AHT10_SOFT_RESET        0xBA
+#define AHT10_STATE             0x71 //状态字.
+
+
+static void task_test_i2c(void *param)
+{
+    char soft_reset[] = {AHT10_SOFT_RESET}; 
+    char init_cmd[] = {AHT10_INIT,0x08,0x00}; 
+    char measure_cmd[] = {AHT10_MEASURE, 0x33, 0x00}; 
+    char read_cmd[] = {AHT10_STATE}; 
+    char recv_date[7] = {0};
+    luat_i2c_setup(I2C_ID,1);
+    luat_rtos_task_sleep(40);
+    luat_i2c_send(I2C_ID, AHT10_ADDRESS_ADR_LOW, soft_reset, 1, 1);
+    luat_rtos_task_sleep(20);
+
+    luat_i2c_recv(I2C_ID, AHT10_ADDRESS_ADR_LOW, recv_date, 1);
+
+    if (recv_date[0]&(1<<3) == 0){
+        luat_i2c_send(I2C_ID, AHT10_ADDRESS_ADR_LOW, init_cmd, 3, 1);
+    }
+    while (1)
+    {
+        luat_rtos_task_sleep(1000);
+        luat_i2c_send(I2C_ID, AHT10_ADDRESS_ADR_LOW, measure_cmd, 3, 1);
+        luat_rtos_task_sleep(80);
+        luat_i2c_send(I2C_ID, AHT10_ADDRESS_ADR_LOW, read_cmd, 1, 1);
+        luat_i2c_recv(I2C_ID, AHT10_ADDRESS_ADR_LOW, recv_date, 6);
+
+        float cur_temp = ((recv_date[3] & 0xf) << 16 | recv_date[4] << 8 | recv_date[5]) * 200.0 / (1 << 20) - 50;
+        LUAT_DEBUG_PRINT("temp: %f",cur_temp);
+
+    }
+    
+}
+
+static void task_demo_i2c(void)
+{
+    luat_rtos_task_create(&i2c_task_handle, 1024, 20, "i2c", task_test_i2c, NULL, NULL);
+}
+
+INIT_TASK_EXPORT(task_demo_i2c,"1");
+
+
+