kopia lustrzana https://github.com/luigifcruz/pico-stuff
replace tcp with udp
Luigi Cruz
rodzic
ffb17d82f0
commit
20e52bc54b
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@ -7,32 +7,36 @@
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#include "hardware/irq.h"
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#include "usb_network.h"
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bool streaming = false;
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struct tcp_pcb* control = NULL;
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uint data_ovf;
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uint data_dma;
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bool data_val;
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bool streaming;
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struct repeating_timer timer;
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#define CAPTURE_CHANNEL 0
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#define CAPTURE_DEPTH 1472
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uint dma_chan_a, dma_chan_b;
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struct pbuf* pbuf_a;
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struct pbuf* pbuf_b;
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struct pbuf *pbuf_a, *pbuf_b;
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static void printc(char* s) {
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if (control) {
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tcp_write(control, s, strlen(s), TCP_WRITE_FLAG_COPY);
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tcp_output(control);
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static void dma_handler(uint id) {
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if (data_val) {
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data_ovf += 1;
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}
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data_dma = id;
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data_val = true;
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}
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static void dma_handler_a() {
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dma_hw->ints0 = 1u << dma_chan_a;
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dma_handler(0);
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dma_channel_set_write_addr(dma_chan_a, pbuf_a->payload, false);
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dma_hw->ints0 = 1u << dma_chan_a;
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}
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static void dma_handler_b() {
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dma_hw->ints1 = 1u << dma_chan_b;
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dma_handler(1);
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dma_channel_set_write_addr(dma_chan_b, pbuf_b->payload, false);
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dma_hw->ints1 = 1u << dma_chan_b;
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}
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static void init_adc_dma_chain() {
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@ -100,21 +104,21 @@ static void init_adc_dma_chain() {
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static void start_stream(struct tcp_pcb *pcb) {
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if (streaming) {
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printc("[PICCOLO] Stream already started.\n");
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return;
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}
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data_ovf = 0;
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data_dma = 0;
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data_val = false;
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streaming = true;
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dma_channel_set_write_addr(dma_chan_a, pbuf_a->payload, true);
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dma_channel_set_write_addr(dma_chan_b, pbuf_b->payload, false);
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adc_run(true);
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streaming = true;
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printc("[PICCOLO] Stream started.\n");
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}
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static void stop_stream(struct tcp_pcb *pcb) {
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if (!streaming) {
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printc("[PICCOLO] Stream already stopped.\n");
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return;
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}
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@ -123,54 +127,10 @@ static void stop_stream(struct tcp_pcb *pcb) {
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dma_channel_set_write_addr(dma_chan_a, pbuf_a->payload, false);
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dma_channel_set_write_addr(dma_chan_b, pbuf_b->payload, false);
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data_ovf = 0;
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data_dma = 0;
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data_val = false;
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streaming = false;
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printc("[PICCOLO] Stream stopped.\n");
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}
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static void srv_err(void *arg, err_t err) {
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tcp_arg(control, NULL);
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tcp_sent(control, NULL);
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tcp_recv(control, NULL);
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tcp_close(control);
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}
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static err_t srv_receive(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err) {
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if (err != ERR_OK) {
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goto exception;
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}
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tcp_recved(pcb, p->tot_len);
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tcp_sent(pcb, NULL);
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if (((char*)p->payload)[0] == 'S') {
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start_stream(pcb);
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}
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if (((char*)p->payload)[0] == 'E') {
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stop_stream(pcb);
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}
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exception:
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if (p != NULL) {
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pbuf_free(p);
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}
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return err;
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}
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static err_t srv_accept(void * arg, struct tcp_pcb * pcb, err_t err) {
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if (err != ERR_OK) {
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return err;
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}
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tcp_setprio(pcb, TCP_PRIO_MIN);
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tcp_recv(pcb, srv_receive);
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tcp_err(pcb, NULL);
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tcp_poll(pcb, NULL, 4);
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control = pcb;
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return err;
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}
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static bool led_timer(struct repeating_timer *t) {
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@ -187,26 +147,25 @@ int main(void) {
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gpio_init(PICO_DEFAULT_LED_PIN);
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gpio_set_dir(PICO_DEFAULT_LED_PIN, GPIO_OUT);
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// Init ADC DMA chain.
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init_adc_dma_chain();
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// Init network stack.
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network_init();
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// Start control TCP port.
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struct tcp_pcb* cpcb = tcp_new();
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cpcb->so_options |= SOF_KEEPALIVE;
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cpcb->keep_intvl = 75000000;
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tcp_bind(cpcb, IP_ADDR_ANY, 7777);
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// Allocate zero-copy memory for DMA and UDP.
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pbuf_a = pbuf_alloc(PBUF_RAW, CAPTURE_DEPTH, PBUF_RAM);
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pbuf_b = pbuf_alloc(PBUF_RAW, CAPTURE_DEPTH, PBUF_RAM);
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if (pbuf_a == NULL && pbuf_b == NULL) {
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return 1;
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}
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// Init ADC DMA chain.
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init_adc_dma_chain();
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// Start data UDP port.
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ip_addr_t client;
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IP4_ADDR(&client, 192, 168, 7, 2);
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struct udp_pcb* dpcb = udp_new();
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// Start listening for control connections.
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struct tcp_pcb* listen = tcp_listen(cpcb);
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tcp_accept(listen, srv_accept);
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IP4_ADDR(&client, 192, 168, 7, 2);
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udp_connect(dpcb, &client, 7778);
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// Start LED indicator.
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add_repeating_timer_ms(250, led_timer, NULL, &timer);
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@ -214,13 +173,20 @@ int main(void) {
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// Start stream right away.
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start_stream(NULL);
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pbuf_a = pbuf_alloc(PBUF_RAW, CAPTURE_DEPTH, PBUF_RAM);
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pbuf_b = pbuf_alloc(PBUF_RAW, CAPTURE_DEPTH, PBUF_RAM);
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// Listen to events.
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while (1) {
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if (data_val && streaming) {
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if (data_dma == 0) {
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udp_send(dpcb, pbuf_a);
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}
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if (data_dma == 1) {
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udp_send(dpcb, pbuf_b);
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}
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data_val = false;
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}
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network_step();
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udp_sendto(dpcb, pbuf_a, &client, 7778);
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}
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return 0;
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@ -77,42 +77,27 @@ blocks:
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coordinate: [403, 167]
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rotation: 0
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state: true
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- name: blocks_vector_to_stream_0
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id: blocks_vector_to_stream
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- name: grnet_udp_source_0
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id: grnet_udp_source
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parameters:
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affinity: ''
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alias: ''
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comment: ''
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header: '0'
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ipv6: 'False'
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maxoutbuf: '0'
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minoutbuf: '0'
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num_items: '500'
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notifyMissed: 'False'
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payloadsize: '1472'
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port: '7778'
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srcZeros: 'False'
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type: byte
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vlen: '1'
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states:
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bus_sink: false
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bus_source: false
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bus_structure: null
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coordinate: [211, 167]
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rotation: 0
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state: true
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- name: grnet_tcp_source_0
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id: grnet_tcp_source
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parameters:
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addr: 192.168.7.1
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affinity: ''
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alias: ''
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comment: ''
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maxoutbuf: '0'
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minoutbuf: '0'
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port: '7777'
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server: 'False'
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type: byte
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vlen: '500'
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states:
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bus_sink: false
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bus_source: false
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bus_structure: null
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coordinate: [22, 140]
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coordinate: [37, 173]
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rotation: 0
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state: true
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- name: qtgui_freq_sink_x_0
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@ -359,8 +344,7 @@ connections:
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- [blocks_multiply_const_vxx_0, '0', qtgui_time_sink_x_0, '0']
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- [blocks_multiply_const_vxx_0, '0', qtgui_waterfall_sink_x_0, '0']
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- [blocks_uchar_to_float_0, '0', blocks_multiply_const_vxx_0, '0']
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- [blocks_vector_to_stream_0, '0', blocks_uchar_to_float_0, '0']
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- [grnet_tcp_source_0, '0', blocks_vector_to_stream_0, '0']
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- [grnet_udp_source_0, '0', blocks_uchar_to_float_0, '0']
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metadata:
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file_format: 1
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@ -1,275 +0,0 @@
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#
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# SPDX-License-Identifier: GPL-3.0
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#
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# GNU Radio Python Flow Graph
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# Title: PiccoloSDR
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# Author: Luigi Cruz
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# Copyright: MIT
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# GNU Radio version: 3.8.2.0
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from distutils.version import StrictVersion
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if __name__ == '__main__':
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import ctypes
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import sys
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if sys.platform.startswith('linux'):
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try:
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x11 = ctypes.cdll.LoadLibrary('libX11.so')
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x11.XInitThreads()
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except:
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print("Warning: failed to XInitThreads()")
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from PyQt5 import Qt
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from gnuradio import qtgui
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from gnuradio.filter import firdes
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import sip
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from gnuradio import blocks
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from gnuradio import gr
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import sys
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import signal
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from argparse import ArgumentParser
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from gnuradio.eng_arg import eng_float, intx
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from gnuradio import eng_notation
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import grnet
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from gnuradio import qtgui
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class piccolosdr(gr.top_block, Qt.QWidget):
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def __init__(self):
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gr.top_block.__init__(self, "PiccoloSDR")
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Qt.QWidget.__init__(self)
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self.setWindowTitle("PiccoloSDR")
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qtgui.util.check_set_qss()
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try:
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self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
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except:
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pass
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self.top_scroll_layout = Qt.QVBoxLayout()
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self.setLayout(self.top_scroll_layout)
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self.top_scroll = Qt.QScrollArea()
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self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
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self.top_scroll_layout.addWidget(self.top_scroll)
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self.top_scroll.setWidgetResizable(True)
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self.top_widget = Qt.QWidget()
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self.top_scroll.setWidget(self.top_widget)
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self.top_layout = Qt.QVBoxLayout(self.top_widget)
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self.top_grid_layout = Qt.QGridLayout()
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self.top_layout.addLayout(self.top_grid_layout)
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self.settings = Qt.QSettings("GNU Radio", "piccolosdr")
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try:
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if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
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self.restoreGeometry(self.settings.value("geometry").toByteArray())
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else:
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self.restoreGeometry(self.settings.value("geometry"))
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except:
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pass
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##################################################
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# Variables
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##################################################
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self.samp_rate = samp_rate = 500000
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##################################################
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# Blocks
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##################################################
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self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_f(
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1024, #size
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firdes.WIN_BLACKMAN_hARRIS, #wintype
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0, #fc
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samp_rate, #bw
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"", #name
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1 #number of inputs
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)
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self.qtgui_waterfall_sink_x_0.set_update_time(0.10)
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self.qtgui_waterfall_sink_x_0.enable_grid(False)
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self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)
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self.qtgui_waterfall_sink_x_0.set_plot_pos_half(not True)
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labels = ['', '', '', '', '',
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'', '', '', '', '']
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colors = [0, 0, 0, 0, 0,
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0, 0, 0, 0, 0]
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alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
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1.0, 1.0, 1.0, 1.0, 1.0]
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for i in range(1):
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if len(labels[i]) == 0:
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self.qtgui_waterfall_sink_x_0.set_line_label(i, "Data {0}".format(i))
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else:
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self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
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self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
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self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])
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self.qtgui_waterfall_sink_x_0.set_intensity_range(-140, 10)
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self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
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self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_win)
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self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
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1024, #size
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samp_rate, #samp_rate
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"", #name
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1 #number of inputs
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)
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self.qtgui_time_sink_x_0.set_update_time(0.10)
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self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
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self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
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self.qtgui_time_sink_x_0.enable_tags(True)
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self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
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self.qtgui_time_sink_x_0.enable_autoscale(True)
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self.qtgui_time_sink_x_0.enable_grid(False)
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self.qtgui_time_sink_x_0.enable_axis_labels(True)
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self.qtgui_time_sink_x_0.enable_control_panel(False)
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self.qtgui_time_sink_x_0.enable_stem_plot(False)
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labels = ['Signal 1', 'Signal 2', 'Signal 3', 'Signal 4', 'Signal 5',
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'Signal 6', 'Signal 7', 'Signal 8', 'Signal 9', 'Signal 10']
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widths = [1, 1, 1, 1, 1,
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1, 1, 1, 1, 1]
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colors = ['blue', 'red', 'green', 'black', 'cyan',
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'magenta', 'yellow', 'dark red', 'dark green', 'dark blue']
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alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
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1.0, 1.0, 1.0, 1.0, 1.0]
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styles = [1, 1, 1, 1, 1,
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1, 1, 1, 1, 1]
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markers = [-1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1]
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for i in range(1):
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if len(labels[i]) == 0:
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self.qtgui_time_sink_x_0.set_line_label(i, "Data {0}".format(i))
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else:
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self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
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self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
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self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
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self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
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self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
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self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
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self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
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self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win)
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self.qtgui_freq_sink_x_0 = qtgui.freq_sink_f(
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1024, #size
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firdes.WIN_BLACKMAN_hARRIS, #wintype
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0, #fc
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samp_rate, #bw
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"", #name
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1
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)
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self.qtgui_freq_sink_x_0.set_update_time(0.10)
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self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
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self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
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self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
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self.qtgui_freq_sink_x_0.enable_autoscale(False)
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self.qtgui_freq_sink_x_0.enable_grid(False)
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self.qtgui_freq_sink_x_0.set_fft_average(1.0)
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self.qtgui_freq_sink_x_0.enable_axis_labels(True)
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self.qtgui_freq_sink_x_0.enable_control_panel(False)
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|
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|
||||
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
|
||||
|
||||
labels = ['', '', '', '', '',
|
||||
'', '', '', '', '']
|
||||
widths = [1, 1, 1, 1, 1,
|
||||
1, 1, 1, 1, 1]
|
||||
colors = ["blue", "red", "green", "black", "cyan",
|
||||
"magenta", "yellow", "dark red", "dark green", "dark blue"]
|
||||
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
|
||||
1.0, 1.0, 1.0, 1.0, 1.0]
|
||||
|
||||
for i in range(1):
|
||||
if len(labels[i]) == 0:
|
||||
self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
|
||||
else:
|
||||
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
|
||||
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
|
||||
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
|
||||
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
|
||||
|
||||
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
|
||||
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
|
||||
self.grnet_tcp_source_0 = grnet.tcp_source.tcp_source(
|
||||
itemsize=gr.sizeof_char*500,
|
||||
addr='192.168.7.1',
|
||||
port=7777,
|
||||
server=False,
|
||||
)
|
||||
self.blocks_vector_to_stream_0 = blocks.vector_to_stream(gr.sizeof_char*1, 500)
|
||||
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
|
||||
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_ff(3.3 / 255.0)
|
||||
|
||||
|
||||
|
||||
##################################################
|
||||
# Connections
|
||||
##################################################
|
||||
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.qtgui_freq_sink_x_0, 0))
|
||||
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.qtgui_time_sink_x_0, 0))
|
||||
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.qtgui_waterfall_sink_x_0, 0))
|
||||
self.connect((self.blocks_uchar_to_float_0, 0), (self.blocks_multiply_const_vxx_0, 0))
|
||||
self.connect((self.blocks_vector_to_stream_0, 0), (self.blocks_uchar_to_float_0, 0))
|
||||
self.connect((self.grnet_tcp_source_0, 0), (self.blocks_vector_to_stream_0, 0))
|
||||
|
||||
|
||||
def closeEvent(self, event):
|
||||
self.settings = Qt.QSettings("GNU Radio", "piccolosdr")
|
||||
self.settings.setValue("geometry", self.saveGeometry())
|
||||
event.accept()
|
||||
|
||||
def get_samp_rate(self):
|
||||
return self.samp_rate
|
||||
|
||||
def set_samp_rate(self, samp_rate):
|
||||
self.samp_rate = samp_rate
|
||||
self.qtgui_freq_sink_x_0.set_frequency_range(0, self.samp_rate)
|
||||
self.qtgui_time_sink_x_0.set_samp_rate(self.samp_rate)
|
||||
self.qtgui_waterfall_sink_x_0.set_frequency_range(0, self.samp_rate)
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
def main(top_block_cls=piccolosdr, options=None):
|
||||
|
||||
if StrictVersion("4.5.0") <= StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
|
||||
style = gr.prefs().get_string('qtgui', 'style', 'raster')
|
||||
Qt.QApplication.setGraphicsSystem(style)
|
||||
qapp = Qt.QApplication(sys.argv)
|
||||
|
||||
tb = top_block_cls()
|
||||
|
||||
tb.start()
|
||||
|
||||
tb.show()
|
||||
|
||||
def sig_handler(sig=None, frame=None):
|
||||
Qt.QApplication.quit()
|
||||
|
||||
signal.signal(signal.SIGINT, sig_handler)
|
||||
signal.signal(signal.SIGTERM, sig_handler)
|
||||
|
||||
timer = Qt.QTimer()
|
||||
timer.start(500)
|
||||
timer.timeout.connect(lambda: None)
|
||||
|
||||
def quitting():
|
||||
tb.stop()
|
||||
tb.wait()
|
||||
|
||||
qapp.aboutToQuit.connect(quitting)
|
||||
qapp.exec_()
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
|
|
@ -35,7 +35,8 @@
|
|||
/* Prevent having to link sys_arch.c (we don't test the API layers in unit tests) */
|
||||
#define NO_SYS 1
|
||||
#define MEM_ALIGNMENT 4
|
||||
#define LWIP_RAW 0
|
||||
#define MEM_SIZE 8192 * 8
|
||||
#define LWIP_RAW 1
|
||||
#define LWIP_NETCONN 0
|
||||
#define LWIP_SOCKET 0
|
||||
#define LWIP_DHCP 0
|
||||
|
|
|
|||
Ładowanie…
Reference in New Issue