QN9021是否支持可编程功率输出

Chip Platform Rockchip
1

QN9021是否支持
软件上是否可以实现 Programmable transmit output power
如果不可以实现，硬件上怎么调可以降低蓝牙传输的距离（以前20米减少到5米左右）

2

你好，QN9021是支持编程功率输出的。
api:
[mw_shl_code=c,false]void rf_tx_power_level_set(enum TX_POWER txpwr);[/mw_shl_code]

可选参数：
[mw_shl_code=c,false]/// RF TX Power
enum TX_POWER
{
TX_GAIN_LEVEL0 = 0, /*!< -20 dBm /
TX_GAIN_LEVEL1, /!< -18 dBm /
TX_GAIN_LEVEL2, /!< -16 dBm /
TX_GAIN_LEVEL3, /!< -14 dBm /
TX_GAIN_LEVEL4, /!< -12 dBm /
TX_GAIN_LEVEL5, /!< -10 dBm /
TX_GAIN_LEVEL6, /!< -8 dBm /
TX_GAIN_LEVEL7, /!< -6 dBm /
TX_GAIN_LEVEL8, /!< -4 dBm /
TX_GAIN_LEVEL9, /!< -2 dBm /
TX_GAIN_LEVEL10, /!< 0 dBm /
TX_GAIN_LEVEL11, /!< 2 dBm /
TX_GAIN_LEVEL12, /!< 4 dBm, Chip need calibration after entering or exiting this level */
TX_GAIN_LEVEL_MAX,
TX_GAIN_LEVEL_ERR
};[/mw_shl_code]