[Mod] AHT10驱动 访问i2c1节点

src/drivers/i2c/aht10/aht10.c

@@ -1,6 +1,33 @@
 #include <stdio.h>
+#include <fcntl.h>
+#include <hw/i2c.h>
+#include <ioctl.h>
+#include <errno.h>
+#include <string.h>
 
 int main() {
-    printf("Hello QNX!\n");
+    int ret = 0, fd_i2c_s = 0;
+    i2c_driver_info_t info = {0};
+
+    fd_i2c_s = open ("/dev/i2c1", O_RDWR);
+    if (fd_i2c_s < 0) {
+        printf("ErrNo(%d) %s, failed to open I2C device\n", errno, strerror(errno));
+        return -1;
+    }
+
+    ret = ioctl(fd_i2c_s, DCMD_I2C_DRIVER_INFO, &info);
+    if (ret < 0) {
+        printf("ErrNo(%d) %s, failed to read from I2C device\n", errno, strerror(errno));
+        close(fd_i2c_s);
+        return -1;
+    }
+
+    printf("I2C Driver Info:\n");
+    printf("  Speed    : %#X\n", info.speed_mode); /* supported speeds: I2C_SPEED_* */
+    printf("  Mode-Addr: %#X\n", info.addr_mode);  /* supported address fmts: I2C_ADDRFMT_* */
+    printf("  Verbosity: %#X\n", info.verbosity);  /* Driver verbosity level */
+
+    close(fd_i2c_s);
+
     return 0;
 }