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fix sqrt, turn mic off before mdc bot starts, adjust bot timing

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OneOfEleven
2023-10-28 16:17:40 +01:00
parent 4153389778
commit 9eb3f765e0
6 changed files with 116 additions and 132 deletions
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184
driver/bk4819.c
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@ -2226,75 +2226,8 @@ void BK4819_reset_fsk(void)
// create the MDC1200 packet
const unsigned int size = MDC1200_encode_single_packet(packet, op, arg, id);
BK4819_ExitTxMute();
#if 1
GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_SPEAKER);
BK4819_SetAF(BK4819_AF_MUTE);
#else
// let the user hear the FSK being sent
BK4819_SetAF(BK4819_AF_BEEP);
GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_SPEAKER);
#endif
// *******************
// need to turn off CTCSS/CDCSS during FFSK
// REG_51
//
// <15> 1 = Enable TxCTCSS/CDCSS
// 0 = Disable
//
const uint16_t css_val = BK4819_ReadRegister(0x51);
BK4819_WriteRegister(0x51, 0);
// *******************************************
// REG_40
//
// <15:13> 0 ???
// 0 ~ 7
//
// <12> 1 enable RF TX deviation
// 1 = enable
// 0 = disable
//
// <11:0> 0x04D0 RF TX deviation tuning (both in-band signal and sub-audio)
// 0 ~ 4095
const uint16_t tx_dev = BK4819_ReadRegister(0x40);
// BK4819_WriteRegister(0x40, (0u << 12) | (1232 << 0)); // 000 0 010011010000
BK4819_WriteRegister(0x40, (tx_dev & 0xf000) | (1000 << 0)); // reduce the deviation a little
// REG_2B 0
//
// <10> 0 AF RX HPF 300Hz filter
// 0 = enable
// 1 = disable
//
// <9> 0 AF RX LPF 3kHz filter
// 0 = enable
// 1 = disable
//
// <8> 0 AF RX de-emphasis filter
// 0 = enable
// 1 = disable
//
// <2> 0 AF TX HPF 300Hz filter
// 0 = enable
// 1 = disable
//
// <1> 0 AF TX LPF filter
// 0 = enable
// 1 = disable
//
// <0> 0 AF TX pre-emphasis filter
// 0 = enable
// 1 = disable
//
BK4819_WriteRegister(0x2B, (1u << 2) | (1u << 0));
// *******************************************
//BK4819_ExitTxMute();
BK4819_WriteRegister(0x50, 0x3B20); // 0011 1011 0010 0000
BK4819_WriteRegister(0x30,
(1u << 15) | // enable VCO calibration
@ -2308,10 +2241,52 @@ void BK4819_reset_fsk(void)
(1u << 1) | // enable TX DSP
(0u << 0)); // disable RX DSP
SYSTEM_DelayMs(10);
#if 1
GPIO_ClearBit(&GPIOC->DATA, GPIOC_PIN_SPEAKER);
BK4819_SetAF(BK4819_AF_MUTE);
#else
// let the user hear the FSK being sent
BK4819_SetAF(BK4819_AF_BEEP);
GPIO_SetBit(&GPIOC->DATA, GPIOC_PIN_SPEAKER);
#endif
SYSTEM_DelayMs(2);
// REG_51
//
// <15> TxCTCSS/CDCSS 0 = disable 1 = Enable
//
// turn off CTCSS/CDCSS during FFSK
const uint16_t css_val = BK4819_ReadRegister(0x51);
BK4819_WriteRegister(0x51, 0);
// REG_40
//
// <15:13> 0 ??? 0 ~ 7
// <12> 1 enable RF TX deviation 0 = disable 1 = enable
// <11:0> 0x04D0 RF TX deviation tuning (both in-band signal and sub-audio) 0 ~ 4095
//
// reduce the deviation a little
//
const uint16_t tx_dev = BK4819_ReadRegister(0x40);
//BK4819_WriteRegister(0x40, (0u << 12) | (1232 << 0)); // 000 0 010011010000
BK4819_WriteRegister(0x40, (tx_dev & 0xf000) | (1000 << 0));
// REG_2B 0
//
// <10> 0 AF RX HPF 300Hz filter 0 = enable 1 = disable
// <9> 0 AF RX LPF 3kHz filter 0 = enable 1 = disable
// <8> 0 AF RX de-emphasis filter 0 = enable 1 = disable
// <2> 0 AF TX HPF 300Hz filter 0 = enable 1 = disable
// <1> 0 AF TX LPF filter 0 = enable 1 = disable
// <0> 0 AF TX pre-emphasis filter 0 = enable 1 = disable
//
// disable the 300Hz HPF and FM pre-emphasis filter
//
BK4819_WriteRegister(0x2B, (1u << 2) | (1u << 0));
// *******************************************
// setup the FFSK modem as best we can for MDC1200
// MDC1200 uses 1200/1800 Hz FSK tone frequencies 1200 bits/s
//
BK4819_WriteRegister(0x58, // 0x37C3); // 001 101 11 11 00 001 1
@ -2397,27 +2372,13 @@ void BK4819_reset_fsk(void)
// REG_59
//
// <15> 0 TX FIFO
// 1 = clear
//
// <14> 0 RX FIFO
// 1 = clear
//
// <13> 0 FSK Scramble
// 1 = Enable
//
// <12> 0 FSK RX
// 1 = Enable
//
// <11> 0 FSK TX
// 1 = Enable
//
// <10> 0 FSK data when RX
// 1 = Invert
//
// <9> 0 FSK data when TX
// 1 = Invert
//
// <15> 0 TX FIFO 1 = clear
// <14> 0 RX FIFO 1 = clear
// <13> 0 FSK Scramble 1 = Enable
// <12> 0 FSK RX 1 = Enable
// <11> 0 FSK TX 1 = Enable
// <10> 0 FSK data when RX 1 = Invert
// <9> 0 FSK data when TX 1 = Invert
// <8> 0 ???
//
// <7:4> 0 FSK preamble length selection
@ -2432,16 +2393,16 @@ void BK4819_reset_fsk(void)
//
// <2:0> 0 ???
//
fsk_reg59 = (0u << 15) | // 0 ~ 1 1 = clear TX FIFO
(0u << 14) | // 0 ~ 1 1 = clear RX FIFO
(0u << 13) | // 0 ~ 1 1 = scramble
(0u << 12) | // 0 ~ 1 1 = enable RX
(0u << 11) | // 0 ~ 1 1 = enable TX
(0u << 10) | // 0 ~ 1 1 = invert data when RX
(0u << 9) | // 0 ~ 1 1 = invert data when TX
(0u << 8) | // 0 ~ 1 ???
(0u << 4) | // 0 ~ 15 preamble length
(0u << 3) | // 0 ~ 1 sync length
fsk_reg59 = (0u << 15) | // 0/1 1 = clear TX FIFO
(0u << 14) | // 0/1 1 = clear RX FIFO
(0u << 13) | // 0/1 1 = scramble
(0u << 12) | // 0/1 1 = enable RX
(0u << 11) | // 0/1 1 = enable TX
(0u << 10) | // 0/1 1 = invert data when RX
(0u << 9) | // 0/1 1 = invert data when TX
(0u << 8) | // 0/1 ???
(1u << 4) | // 0 ~ 15 preamble length
(1u << 3) | // 0/1 sync length
(0u << 0); // 0 ~ 7 ???
// Set entire packet length (not including the pre-amble and sync bytes we can't seem to disable)
@ -2470,9 +2431,7 @@ void BK4819_reset_fsk(void)
//
// <15:7> ???
//
// <6> 1 CRC option enable
// 0 = disable
// 1 = enable
// <6> 1 CRC option enable 0 = disable 1 = enable
//
// <5:0> ???
//
@ -2501,9 +2460,9 @@ void BK4819_reset_fsk(void)
// 173ms for PTT ID, acks, emergency
// 266ms for call alert and sel-calls
// allow up to 350ms for the TX to complete
// allow up to 310ms for the TX to complete
// if it takes any longer then somethings gone wrong, we shut the TX down
unsigned int timeout = 350 / 5;
unsigned int timeout = 310 / 5;
while (timeout-- > 0)
{
@ -2535,11 +2494,11 @@ void BK4819_reset_fsk(void)
// restore the CTCSS/CDCSS setting
BK4819_WriteRegister(0x51, css_val);
// ****************
//BK4819_EnterTxMute();
BK4819_WriteRegister(0x50, 0xBB20); // 1011 1011 0010 0000
BK4819_EnterTxMute();
BK4819_SetAF(BK4819_AF_MUTE);
//BK4819_SetAF(BK4819_AF_MUTE);
BK4819_WriteRegister(0x47, (6u << 12) | (BK4819_AF_MUTE << 8) | (1u << 6) | (0u << 0));
BK4819_WriteRegister(0x30,
(1u << 15) | // enable VCO calibration
@ -2553,7 +2512,8 @@ void BK4819_reset_fsk(void)
(1u << 1) | // enable TX DSP
(0u << 0)); // disable RX DSP
BK4819_ExitTxMute();
//BK4819_ExitTxMute();
BK4819_WriteRegister(0x50, 0x3B20); // 0011 1011 0010 0000
}
#endif