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zigbee 灯设置亮白光，断电上电会闪一下黄光

Zigbee 子设备开发


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13160672572
Posts: 1

STATIC OPERATE_RET __dev_light_pwm_init(VOID_T)
{
OPERATE_RET v_ret = OPRT_COM_ERROR;

Code: Select all

tkl_pwm_mapping_to_gpio((UINT32_T)TUYA_PWM_NUM_0, USER_PWM_CH_0_PIN);
tkl_pwm_mapping_to_gpio((UINT32_T)TUYA_PWM_NUM_1, USER_PWM_CH_1_PIN);



TUYA_PWM_BASE_CFG_T v_cfg = {
    .duty = 0,
    .frequency = DEF_PWM_FREQUENCY,
    .polarity = TUYA_PWM_POSITIVE,
};
tkl_pwm_idle_level_set(TUYA_PWM_NUM_0, 0);
v_ret = tkl_pwm_init(TUYA_PWM_NUM_0, &v_cfg1);

    TUYA_PWM_BASE_CFG_T v_cfg1 = {
    .duty = 0,
    .frequency = DEF_PWM_FREQUENCY,
    .polarity = TUYA_PWM_NEGATIVE,
};
tkl_pwm_idle_level_set(TUYA_PWM_NUM_1, 0);
v_ret = tkl_pwm_init(TUYA_PWM_NUM_1, &v_cfg);

tkl_pwm_start((TUYA_PWM_NUM_E)0xFF);

sg_pwm_init_flag = TRUE;
app_light_ctrl_ch_num_set(DEF_PWM_CH_NUM);
TAL_PR_DEBUG("pwm init ok!");
return v_ret;

}
OPERATE_RET app_light_init(VOID_T)
{
__dev_light_pwm_init();


Code: Select all

__dev_power_on_reset_data();
__dev_power_on_read_app_setting_data();
ac_clear_reset_flag=1;
app_model_config_init();
__app_light_ctrl_rgbcw_set(0, 0, 0, 500, 0);//test

}
sdk：TLSR8258_TuyaOS-3.9.0
一路pwm设置为正极性，另外一路设置为负极性。一路pwm设置输出500，另外一路输出0，上电会出现一个高电平，闪一下黄光

kb-cyf
Posts: 4

Re: zigbee 灯设置亮白光，断电上电会闪一下黄光

你好，可以把polarity为TUYA_PWM_NEGATIVE的那路pwm的初始化占空比设置为1000，确保在tal_pwm_start调用时这路pwm输出的是预期的低电平

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