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OneOfEleven
2023-09-24 00:06:10 +01:00
parent 8ae0b2cc67
commit 8b44428ea5
8 changed files with 114 additions and 126 deletions
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74
driver/bk4819.c
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@ -289,46 +289,42 @@ void BK4819_SetAGC(uint8_t Value)
{
unsigned int i;
// REG_10 <15:0> 0x0038 Rx AGC Gain Table[0]. (Index Max->Min is 3,2,1,0,-1)
// REG_10
// <15:0> 0x0038 Rx AGC Gain Table[0]. (Index Max->Min is 3,2,1,0,-1)
//
// <9:8> = LNA Gain Short
// 3 = 0dB << original
// 2 = -24dB // was -11
// 1 = -30dB // was -16
// 0 = -33dB // was -19
//
// <7:5> = LNA Gain
// 7 = 0dB
// 6 = -2dB
// 5 = -4dB
// 4 = -6dB
// 3 = -9dB
// 2 = -14dB << original
// 1 = -19dB
// 0 = -24dB
//
// <4:3> = MIXER Gain
// 3 = 0dB << original
// 2 = -3dB
// 1 = -6dB
// 0 = -8dB
//
// <2:0> = PGA Gain
// 7 = 0dB
// 6 = -3dB << original
// 5 = -6dB
// 4 = -9dB
// 3 = -15dB
// 2 = -21dB
// 1 = -27dB
// 0 = -33dB
//
// <9:8> = LNA Gain Short
// 3 = 0dB
// 2 = -11dB
// 1 = -16dB
// 0 = -19dB
//
// <7:5> = LNA Gain
// 7 = 0dB
// 6 = -2dB
// 5 = -4dB
// 4 = -6dB
// 3 = -9dB
// 2 = -14dB
// 1 = -19dB
// 0 = -24dB
//
// <4:3> = MIXER Gain
// 3 = 0dB
// 2 = -3dB
// 1 = -6dB
// 0 = -8dB
//
// <2:0> = PGA Gain
// 7 = 0dB
// 6 = -3dB
// 5 = -6dB
// 4 = -9dB
// 3 = -15dB
// 2 = -21dB
// 1 = -27dB
// 0 = -33dB
//
// LNA_SHORT .. 0dB
// LNA ........ 14dB
// MIXER ...... 0dB
// PGA ........ -3dB
//
BK4819_WriteRegister(BK4819_REG_13, (3u << 8) | (2u << 5) | (3u << 3) | (6u << 0)); // 000000 11 101 11 110
BK4819_WriteRegister(BK4819_REG_13, (3u << 8) | (2u << 5) | (3u << 3) | (6u << 0));
BK4819_WriteRegister(BK4819_REG_12, 0x037C); // 000000 11 011 11 100
BK4819_WriteRegister(BK4819_REG_11, 0x027B); // 000000 10 011 11 011