282 lines
7 KiB
C++
282 lines
7 KiB
C++
// This file is part of "NPR70 modem firmware" software
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// (A GMSK data modem for ham radio 430-440MHz, at several hundreds of kbps)
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// Copyright (c) 2017-2020 Guillaume F. F4HDK (amateur radio callsign)
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//
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// "NPR70 modem firmware" is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// "NPR70 modem firmware" is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with "NPR70 modem firmware". If not, see <http://www.gnu.org/licenses/>
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#include "mbed.h"
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#include "W5500.h"
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#include "SI4463.h"
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#include "HMI_telnet.h"
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//#include "Virt_Chan.h"
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#include "Eth_IPv4.h"
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#include "DHCP_ARP.h"
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#include "global_variables.h"
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#include "L1L2_radio.h"
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#include "TDMA.h"
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#include "signaling.h"
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#include "config_flash.h"
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#include "SPI_F4HDK.h"
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#include "ext_SRAM2.h"
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//#define NPR_L476
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//Serial pc(SERIAL_TX, SERIAL_RX); // Nucleo
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//Serial pc(USBTX, USBRX); //NXP LPC1769
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DigitalInOut FDD_trig_pin(PA_1);//GPIO_11
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InterruptIn FDD_trig_IRQ(PA_1);//GPIO_11
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DigitalOut PTT_PA_pin(PA_0);//GPIO_10
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DigitalOut SI4463_SDN(PA_10);
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// TODO: Get random seed from somewhere else.
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// TODO: Random PIN is not present on the new PCB.
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AnalogIn Random_pin(PA_0);
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DigitalOut LED_RX_loc(PB_7);
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DigitalOut LED_connected(PA_4);
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DigitalIn Int_W5500(PB_1);
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DigitalOut CS1(PA_8);//CS W5500
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SPI_F4HDK spi_2(PA_7, PA_6, PA_5); // mosi, miso, sclk (Wiznet+SRAM)
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DigitalOut CS3(PB_0);// CS ext SRAM
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InterruptIn Int_SI4463(PA_9);
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DigitalOut CS2(PB_6);
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SPI_F4HDK spi_1(PB_5, PB_4, PB_3); // mosi, miso, sclk (radio)
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int main()
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{
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wait_ms(200);
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pc.baud(921600);
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pc.printf("\r\n\r\nNPR FW %s\r\n", FW_VERSION);
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Timer slow_timer;
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int i = 1;
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int temperature_timer = 0;
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static LAN_conf_T* LAN_conf_p;
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LAN_conf_p = &LAN_conf_applied;
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static W5500_chip W5500_1;
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W5500_p1 = &W5500_1;
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W5500_1.spi_port = &spi_2;
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W5500_1.cs = &CS1;
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W5500_1.interrupt = &Int_W5500;
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//#ifdef EXT_SRAM_USAGE
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static ext_SRAM_chip SPI_SRAM;
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SPI_SRAM_p = &SPI_SRAM;
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SPI_SRAM.spi_port = &spi_2;
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SPI_SRAM.cs = &CS3;
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//#endif
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static SI4463_Chip SI4463_1;
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SI4463_1.spi = &spi_1;//1
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SI4463_1.cs = &CS2;//2
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SI4463_1.interrupt = &Int_SI4463;
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SI4463_1.RX_LED = &LED_RX_loc;
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SI4463_1.SDN = &SI4463_SDN;
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G_SI4463 = &SI4463_1;
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G_FDD_trig_pin = &FDD_trig_pin;
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G_FDD_trig_IRQ = &FDD_trig_IRQ;
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G_PTT_PA_pin = &PTT_PA_pin;
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reset_DHCP_table(LAN_conf_p);
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spi_2.format(8,0);
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spi_1.format(8,0);
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spi_2.frequency(20000000);
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spi_1.frequency(10000000);
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for(i=0; i<radio_addr_table_size; i++) {
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CONF_radio_addr_table_status[i] = 0;
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}
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G_FDD_trig_pin->input();
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G_PTT_PA_pin->write(0);
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LED_RX_loc = 0;
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LED_connected = 0;
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CS1=1;
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CS2=1;
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CS3=1;
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SI4463_SDN = 1;
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wait_ms(20);
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is_SRAM_ext = ext_SRAM_detect();
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LED_RX_loc = 1;
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for (i=0; i<7; i++) {
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wait_ms(200);
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LED_RX_loc = !LED_RX_loc;
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LED_connected = !LED_connected;
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SI4463_SDN = !SI4463_SDN;
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}
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LED_RX_loc = 0;
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LED_connected = 0;
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SI4463_SDN = 1;
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printf("\r\n");
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RX_FIFO_WR_point = 0;
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RX_FIFO_RD_point = 0;
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RX_FIFO_last_received = 0;
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//TXPS_FIFO->is_single = 0;
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//TXPS_FIFO->WR_point = 0;
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//TXPS_FIFO->RD_point = 0;
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//TXPS_FIFO->last_ready = 0;
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GLOBAL_timer.reset();
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GLOBAL_timer.start();
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TDMA_init_all();
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//TXPS_FIFO->last_ready = TXPS_FIFO->WR_point;
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for (i=0; i<0x2000; i++) {
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RX_FIFO_data[i] = 0;
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}
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printf(" \r\n");
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for (i=0; i<radio_addr_table_size; i++) {
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CONF_radio_addr_table_IP_begin[i] = 0; // 0 = entry not active
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}
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if (is_SRAM_ext) {
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printf("config WITH ext SRAM\r\n");
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} else {
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printf("config WITHOUT ext SRAM\r\n");
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}
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wait_ms(100);
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NFPR_config_read(&Random_pin);
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//SI4463_print_version(G_SI4463);//!!!!
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SI4463_get_state(G_SI4463);
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i = SI4463_configure_all();
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if (i == 1) {
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HMI_printf("SI4463 configured\r\n");
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} else {
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HMI_printf("SI4463 error while configure\r\n");
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SI4463_print_version(G_SI4463);
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wait_ms(5000);
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if (serial_term_loop() == 0) {//no serial char detected
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NVIC_SystemReset(); //reboot
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}
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}
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//SI4463_print_version(G_SI4463);//!!!!
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W5500_initial_configure(W5500_p1);
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wait_ms(2);
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#ifdef EXT_SRAM_USAGE
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ext_SRAM_set_mode(SPI_SRAM_p);
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wait_ms(2)
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ext_SRAM_init();
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#endif
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TDMA_NULL_frame_init(70);
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SI4463_periodic_temperature_check(G_SI4463);
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Int_SI4463.fall(&SI4463_HW_interrupt);
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if (CONF_radio_default_state_ON_OFF) {
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//TDMA_init_all();
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//SI4463_radio_start();
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RADIO_on(1, 0, 1);//init state, no reconfigure, HMI output
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}
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HMI_printf("ready> ");
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slow_timer.start();
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unsigned int timer_snapshot;
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int slow_action_counter = 0;
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int signaling_counter = 0;
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//SI4463_temp_check_init();
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int telnet_counter = 0;
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while(1) {
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for (i=0; i<100; i++) {
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if ( (is_TDMA_master == 1) && (CONF_master_FDD == 2) ) {
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FDDup_RX_FIFO_dequeue();
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} else {
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radio_RX_FIFO_dequeue(W5500_p1);
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}
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Eth_RX_dequeue(W5500_p1);
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TDMA_slave_timeout();
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#ifdef EXT_SRAM_USAGE
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ext_SRAM_periodic_call();
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#endif
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if (is_SRAM_ext == 1) {
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ext_SRAM_periodic_call();
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}
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timer_snapshot = slow_timer.read_us();
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if (timer_snapshot > 666000) {//666000
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slow_timer.reset();
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slow_action_counter++;
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if (slow_action_counter > 2) {slow_action_counter = 0; }
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if (slow_action_counter == 0) {
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HMI_periodic_call();
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}
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//debug_counter = 0;
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if (slow_action_counter == 1) {//every 2 sec
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signaling_counter++;
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if (signaling_counter >= CONF_signaling_period) {
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signaling_periodic_call();
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signaling_counter = 0;
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}
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}
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if (slow_action_counter == 2) {
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DHCP_ARP_periodic_free_table();
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W5500_re_configure_periodic_call(W5500_p1);
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temperature_timer++;
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if(temperature_timer > 15) {// 15 every 30 sec
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temperature_timer = 0;
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G_need_temperature_check = 1;
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SI4463_periodic_temperature_check_2();//SI4463_periodic_temperature_check(G_SI4463);
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}
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}
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}
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}
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if (is_TDMA_master) {
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if (CONF_radio_state_ON_OFF==1) {LED_connected.write((timer_snapshot >> 19) & 1);}
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else {LED_connected.write(0);}
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} else {
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if (my_client_radio_connexion_state == 2) {
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LED_connected.write(1);
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}else{
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LED_connected.write(0);
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}
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}
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if (is_telnet_active) {
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telnet_counter++;
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if (telnet_counter>10) {
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telnet_loop(W5500_p1);
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telnet_counter = 0;
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}
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}
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serial_term_loop();
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if ( (LAN_conf_applied.DHCP_server_active == 1) && (is_TDMA_master == 0) ) {
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DHCP_server(LAN_conf_p, W5500_p1);
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}
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}
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}
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