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STM32的int8_t 是返回不了负数的 #2

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quan1229 opened this issue Sep 12, 2021 · 0 comments
Open

STM32的int8_t 是返回不了负数的 #2

quan1229 opened this issue Sep 12, 2021 · 0 comments

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@quan1229
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int8_t ee_24clxx_init(struct i2c_dev_device *i2c_bus)
{
if (NULL == i2c_bus)
{
return -1;
}
ee_i2c_dev = i2c_bus;

return 0;

}

你可以打印试试：printf("%d \r\n",sizeof(-1));
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