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@@ -27,11 +27,11 @@ typedef struct {
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} Band;
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typedef struct {
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- Band* band;
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+ const Band* band;
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uint16_t channel;
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} FreqConfig;
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-void setup_freq(CC1101* cc1101, FreqConfig* config) {
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+void setup_freq(CC1101* cc1101, const FreqConfig* config) {
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cc1101->SpiWriteReg(CC1101_MCSM0, 0x08); // disalbe FS_AUTOCAL
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cc1101->SpiWriteReg(CC1101_AGCCTRL2, 0x43 | 0x0C); // MAX_DVGA_GAIN to 11 for fast rssi
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cc1101->SpiWriteReg(CC1101_AGCCTRL0, 0xB0); // max AGC WAIT_TIME; 0 filter_length
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@@ -47,16 +47,9 @@ void setup_freq(CC1101* cc1101, FreqConfig* config) {
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// perform a manual calibration by issuing SCAL command
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cc1101->SpiStrobe(CC1101_SCAL);
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-
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- /*
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- // Cleanup:
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- cc1101->SpiWriteReg(CC1101_MCSM0, 0x18); //enable FS_AUTOCAL
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- cc1101->SpiWriteReg(CC1101_AGCCTRL2, 0x43); //back to recommended config
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- cc1101->SpiWriteReg(CC1101_AGCCTRL0, 0x91); //back to recommended config
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- */
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}
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-int16_t rx_rssi(CC1101* cc1101, FreqConfig* config) {
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+int16_t rx_rssi(CC1101* cc1101, const FreqConfig* config) {
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cc1101->SetReceive();
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delayMicroseconds(RSSI_DELAY);
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@@ -74,7 +67,14 @@ int16_t rx_rssi(CC1101* cc1101, FreqConfig* config) {
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return rssi_dBm;
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}
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-void tx(CC1101* cc1101) {
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+void tx(CC1101* cc1101, const FreqConfig* config) {
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+ cc1101->SpiWriteReg(CC1101_MCSM0, 0x18); //enable FS_AUTOCAL
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+ cc1101->SpiWriteReg(CC1101_AGCCTRL2, 0x43); //back to recommended config
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+ cc1101->SpiWriteReg(CC1101_AGCCTRL0, 0x91); //back to recommended config
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+
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+ cc1101->SetFreq(config->band->reg[0], config->band->reg[1], config->band->reg[2]);
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+ cc1101->SetChannel(config->channel);
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+
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cc1101->SetTransmit();
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}
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@@ -82,7 +82,7 @@ void idle(CC1101* cc1101) {
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cc1101->SpiStrobe(CC1101_SIDLE);
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}
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-Band bands[NUM_OF_SUB_BANDS] = {
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+const Band bands[NUM_OF_SUB_BANDS] = {
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{387, {0x0E, 0xE2, 0x76}, 0, 255, 74},
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{399.8, {0x0F, 0x60, 0x76}, 0, 255, 74},
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{412.6, {0x0F, 0xDE, 0x76}, 0, 255, 74},
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@@ -92,7 +92,7 @@ Band bands[NUM_OF_SUB_BANDS] = {
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{463.8, {0x11, 0xD6, 0x8F}, 0, 4, 74},
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};
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-FreqConfig FREQ_LIST[] = {
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+const FreqConfig FREQ_LIST[] = {
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{&bands[0], 0},
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{&bands[0], 50},
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{&bands[0], 100},
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@@ -140,10 +140,23 @@ typedef enum {
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ModeTx
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} Mode;
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+typedef struct {
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+ int16_t dbm;
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+ uint8_t reg;
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+} TxLevel;
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+
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+const TxLevel TX_LEVELS[] = {
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+ {-10, 0},
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+ {-5, 0},
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+ {0, 0},
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+ {5, 0},
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+};
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+
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typedef struct {
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Mode mode;
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size_t active_freq;
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int16_t last_rssi;
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+ size_t tx_level;
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bool need_cc1101_conf;
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} State;
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@@ -189,6 +202,16 @@ static void render_callback(CanvasApi* canvas, void* ctx) {
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}
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}
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+ {
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+ char buf[24];
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+ sprintf(buf, "tx level: %d dBm", TX_LEVELS[state->tx_level].dbm);
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+
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+ canvas->set_font(canvas, FontSecondary);
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+ canvas->draw_str(canvas, 2, 63, buf);
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+ }
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+
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+
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+
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release_mutex((ValueMutex*)ctx, state);
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}
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@@ -211,6 +234,7 @@ extern "C" void cc1101_workaround(void* p) {
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_state.active_freq = 0;
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_state.need_cc1101_conf = true;
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_state.last_rssi = 0;
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+ _state.tx_level = 0;
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ValueMutex state_mutex;
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if(!init_mutex(&state_mutex, &_state, sizeof(State))) {
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@@ -286,21 +310,38 @@ extern "C" void cc1101_workaround(void* p) {
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state->need_cc1101_conf = true;
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}
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}
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+
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+ if(event.value.input.state && event.value.input.input == InputLeft) {
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+ if(state->tx_level < (sizeof(TX_LEVELS)/sizeof(TX_LEVELS[0]) - 1)) {
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+ state->tx_level++;
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+ } else {
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+ state->tx_level = 0;
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+ }
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+
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+ state->need_cc1101_conf = true;
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+ }
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+
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+ if(event.value.input.input == InputOk) {
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+ state->mode = event.value.input.state ? ModeTx : ModeRx;
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+ state->need_cc1101_conf = true;
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+ }
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}
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if(state->need_cc1101_conf) {
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- setup_freq(&cc1101, &FREQ_LIST[state->active_freq]);
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-
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if(state->mode == ModeRx) {
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+ setup_freq(&cc1101, &FREQ_LIST[state->active_freq]);
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state->last_rssi = rx_rssi(&cc1101, &FREQ_LIST[state->active_freq]);
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} else if(state->mode == ModeTx) {
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- tx(&cc1101);
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+ tx(&cc1101, &FREQ_LIST[state->active_freq]);
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}
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state->need_cc1101_conf = false;
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}
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- digitalWrite(led, state->last_rssi > RSSI_THRESHOLD ? LOW : HIGH);
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+ digitalWrite(
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+ led,
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+ (state->last_rssi > RSSI_THRESHOLD && !state->need_cc1101_conf) ? LOW : HIGH
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+ );
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release_mutex(&state_mutex, state);
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widget_update(widget);
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@@ -311,7 +352,10 @@ extern "C" void cc1101_workaround(void* p) {
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state->last_rssi = rx_rssi(&cc1101, &FREQ_LIST[state->active_freq]);
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}
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- digitalWrite(led, state->last_rssi > RSSI_THRESHOLD ? LOW : HIGH);
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+ digitalWrite(
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+ led,
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+ (state->last_rssi > RSSI_THRESHOLD && !state->need_cc1101_conf) ? LOW : HIGH
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+ );
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release_mutex(&state_mutex, state);
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widget_update(widget);
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