修改为2HZ发poll包，修改second task从原来2s一次为1s一次

chen

2025-07-31 5102fff8a13c0319d8125a51d3d2354e7aacdcea

 keil/uwb_simple_example.uvoptx

@@ -670,6 +670,46 @@
          <WinNumber>1</WinNumber>
          <ItemText>send_frame</ItemText>
        </Ww>
        <Ww>
          <count>104</count>
          <WinNumber>1</WinNumber>
          <ItemText>group_id,0x0A</ItemText>
        </Ww>
        <Ww>
          <count>105</count>
          <WinNumber>1</WinNumber>
          <ItemText>dev_id</ItemText>
        </Ww>
        <Ww>
          <count>106</count>
          <WinNumber>1</WinNumber>
          <ItemText>board_param,0x0A</ItemText>
        </Ww>
        <Ww>
          <count>107</count>
          <WinNumber>1</WinNumber>
          <ItemText>uwb_losttimer</ItemText>
        </Ww>
        <Ww>
          <count>108</count>
          <WinNumber>1</WinNumber>
          <ItemText>uwbtasktimer,0x0A</ItemText>
        </Ww>
        <Ww>
          <count>109</count>
          <WinNumber>1</WinNumber>
          <ItemText>second_count</ItemText>
        </Ww>
        <Ww>
          <count>110</count>
          <WinNumber>1</WinNumber>
          <ItemText>poll_flag</ItemText>
        </Ww>
        <Ww>
          <count>111</count>
          <WinNumber>1</WinNumber>
          <ItemText>count_tag</ItemText>
        </Ww>
      </WatchWindow1>
      <WatchWindow2>
        <Ww>