From 6c384260eef2420dce48a3c246eda5dcfcca139e Mon Sep 17 00:00:00 2001
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 <1043125564@qq.com>
Date: Mon, 6 Mar 2023 08:24:06 +0000
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---
 .../rt-thread-standard/programming-manual/device/dac/dac.md     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rt-thread-version/rt-thread-standard/programming-manual/device/dac/dac.md b/rt-thread-version/rt-thread-standard/programming-manual/device/dac/dac.md
index 6a076a5..a0bc3b8 100644
--- a/rt-thread-version/rt-thread-standard/programming-manual/device/dac/dac.md
+++ b/rt-thread-version/rt-thread-standard/programming-manual/device/dac/dac.md
@@ -243,7 +243,7 @@ static int dac_vol_sample(int argc, char *argv[])
 
     /* 设置输出值 */
     value = atoi(argv[1]);
-    rt_dac_write(dac_dev, DAC_DEV_NAME, DAC_DEV_CHANNEL, &value);
+    rt_dac_write(dac_dev, DAC_DEV_NAME, DAC_DEV_CHANNEL, value);
     rt_kprintf("the value is :%d \n", value);
 
     /* 转换为对应电压值 */
-- 
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