mirror of
https://github.com/OneOfEleven/uv-k5-firmware-custom.git
synced 2025-04-27 22:01:26 +03:00
139 lines
3.4 KiB
C
139 lines
3.4 KiB
C
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#if defined(ENABLE_UART) && defined(ENABLE_UART_DEBUG)
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#include "driver/uart.h"
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#endif
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#include "panadapter.h"
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#ifdef ENABLE_FMRADIO
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#include "app/fm.h"
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#endif
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#include "driver/bk4819.h"
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#include "functions.h"
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#include "misc.h"
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#include "radio.h"
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#include "settings.h"
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#include "ui/main.h"
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#include "ui/ui.h"
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bool g_pan_enabled = false;
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// a list of frequencies to ignore/skip when scanning
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uint8_t g_panadapter_rssi[PANADAPTER_BINS + 1 + PANADAPTER_BINS];
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int g_panadapter_rssi_index;
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int g_panadapter_vfo_mode; // > 0 if we're currently sampling the VFO
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void PAN_set_freq(void)
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{ // set the frequency
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const uint32_t step_size = g_tx_vfo->step_freq;
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uint32_t freq = g_tx_vfo->p_rx->frequency;
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if (g_panadapter_vfo_mode <= 0)
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{ // panadapter mode .. add the bin offset
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if (g_panadapter_rssi_index < PANADAPTER_BINS)
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freq -= step_size * (PANADAPTER_BINS - g_panadapter_rssi_index);
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else
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if (g_panadapter_rssi_index > PANADAPTER_BINS)
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freq += step_size * (g_panadapter_rssi_index - PANADAPTER_BINS);
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}
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BK4819_set_rf_frequency(freq, true); // set the VCO/PLL
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//BK4819_set_rf_filter_path(freq); // set the proper LNA/PA filter path
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// default front end gains
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if (g_panadapter_vfo_mode <= 0)
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BK4819_write_reg(0x13, (g_orig_lnas << 8) | (g_orig_lna << 5) | (g_orig_mixer << 3) | (g_orig_pga << 0));
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}
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void PAN_clear(void)
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{
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g_panadapter_rssi_index = 0;
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memset(g_panadapter_rssi, 0, sizeof(g_panadapter_rssi));
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g_panadapter_vfo_mode = 1;
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#if defined(ENABLE_UART) && defined(ENABLE_UART_DEBUG)
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// UART_printf("%u\r\n", g_panadapter_rssi_index);
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#endif
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}
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void PAN_enable(const bool enable)
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{
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if (enable && g_eeprom.config.setting.panadapter)
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{
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if (!g_pan_enabled)
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{
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PAN_clear();
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g_panadapter_vfo_mode = 0;
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PAN_set_freq();
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g_pan_enabled = true;
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//g_update_display = true;
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UI_DisplayMain_pan(true);
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}
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}
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else
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{
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if (g_pan_enabled)
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{
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PAN_clear();
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g_panadapter_vfo_mode = 1;
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PAN_set_freq();
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g_pan_enabled = false;
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g_update_display = true;
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}
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}
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}
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bool PAN_process_10ms(void)
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{
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if (!g_pan_enabled)
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return false;
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if (g_current_function == FUNCTION_TRANSMIT ||
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g_current_function == FUNCTION_POWER_SAVE ||
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g_current_function == FUNCTION_NEW_RECEIVE ||
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g_current_function == FUNCTION_RECEIVE)
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return false;
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if (g_current_display_screen == DISPLAY_SEARCH ||
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g_css_scan_mode != CSS_SCAN_MODE_OFF ||
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g_scan_state_dir != SCAN_STATE_DIR_OFF)
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return false;
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#ifdef ENABLE_FMRADIO
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if (g_fm_radio_mode)
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return false;
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#endif
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if (g_squelch_open || g_monitor_enabled)
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return false;
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if (g_panadapter_vfo_mode <= 0)
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{ // save the current RSSI value
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const uint16_t rssi = BK4819_GetRSSI();
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g_panadapter_rssi[g_panadapter_rssi_index] = (rssi <= 255) ? rssi : 255;
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}
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if (g_panadapter_vfo_mode <= 0)
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{
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if (++g_panadapter_rssi_index >= (int)ARRAY_SIZE(g_panadapter_rssi))
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g_panadapter_rssi_index = 0;
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// switch back to the VFO frequency once every 16 frequency steps
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g_panadapter_vfo_mode = ((g_panadapter_rssi_index & 15u) == 0) ? 1 : 0;
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}
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else
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if (++g_panadapter_vfo_mode >= 8)
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{
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g_panadapter_vfo_mode = 0;
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}
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PAN_set_freq();
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if (g_panadapter_rssi_index == 0 && g_panadapter_vfo_mode <= 1)
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UI_DisplayMain_pan(true); // the last bin value - show the panadapter
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// g_update_display = true;
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return (g_panadapter_vfo_mode <= 0) ? true : false;
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}
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