mirror of https://github.com/rusefi/bldc.git
119 lines
3.6 KiB
C
119 lines
3.6 KiB
C
/*
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Copyright 2016 - 2019 Benjamin Vedder benjamin@vedder.se
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modified 2021 by Georg Schardt schardt@team-ctech.de
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Use SPI Port to communicate with e.g. RFM95W Modul
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This file is part of the VESC firmware.
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The VESC 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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The VESC 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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "conf_general.h"
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#ifdef HW_HAS_LORA
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#include "app.h"
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#include "ch.h"
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#include "hal.h"
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#include "hw.h"
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#include "packet.h"
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#include "commands.h"
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#include "lora.h"
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#include <string.h>
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#include "SX1278.h"
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#include "stdio.h"
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// Threads
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static THD_FUNCTION(packet_process_thread, arg);
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static THD_WORKING_AREA(packet_process_thread_wa, 2048);
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// Variables
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static volatile bool thread_is_running = false;
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static mutex_t send_mutex;
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static bool send_mutex_init_done = false;
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PACKET_STATE_t packet_state;
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SX1278_t SX1278;
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// Private functions
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static void process_packet(unsigned char* data, unsigned int len);
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static void send_packet(unsigned char* data, unsigned int len);
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void lora_send_packet(unsigned char* data, unsigned int len) {
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if (!send_mutex_init_done) {
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chMtxObjectInit(&send_mutex);
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send_mutex_init_done = true;
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}
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chMtxLock(&send_mutex);
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packet_send_packet(data, len, &packet_state);
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chMtxUnlock(&send_mutex);
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}
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static void process_packet(unsigned char* data, unsigned int len) {
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commands_process_packet(data, len, lora_send_packet);
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}
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static void send_packet(unsigned char* data, unsigned int len) {
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SX1278_LoRaEntryTx(&SX1278, len, 100);
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SX1278_LoRaTxPacket(&SX1278, (uint8_t*)data, len, 100);
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}
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void lora_init(void) {
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packet_init(send_packet, process_packet, &packet_state);
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palSetPadMode(HW_LORA_SPI_PORT_SCK, HW_LORA_SPI_PIN_SCK, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
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palSetPadMode(HW_LORA_SPI_PORT_MISO, HW_LORA_SPI_PIN_MISO, PAL_MODE_INPUT);
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palSetPadMode(HW_LORA_SPI_PORT_NSS, HW_LORA_SPI_PIN_NSS, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
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palSetPadMode(HW_LORA_SPI_PORT_MOSI, HW_LORA_SPI_PIN_MOSI, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
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palSetPadMode(HW_LORA_SPI_PORT_DIO0, HW_LORA_SPI_PIN_DIO0, PAL_MODE_INPUT);
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palSetPadMode(HW_LORA_SPI_PORT_RESET, HW_LORA_SPI_PIN_RESET, PAL_MODE_OUTPUT_PUSHPULL | PAL_STM32_OSPEED_HIGHEST);
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SX1278_init(&SX1278, 868000000, SX1278_POWER_17DBM, SX1278_LORA_SF_7, SX1278_LORA_BW_250KHZ, SX1278_LORA_CR_4_5, SX1278_LORA_CRC_DIS, 10);
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if (!thread_is_running) {
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chThdCreateStatic(packet_process_thread_wa, sizeof(packet_process_thread_wa), NORMALPRIO, packet_process_thread, NULL);
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thread_is_running = true;
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}
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}
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void lora_stop(void) {
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}
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static THD_FUNCTION(packet_process_thread, arg) {
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(void)arg;
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uint8_t erg;
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uint8_t buffer[255];
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chRegSetThreadName("LoRa proc");
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buffer[0] = COMM_GET_VALUES;
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while (!commands_is_initialized()) {
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chThdSleepMilliseconds(10);
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}
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erg=SX1278_LoRaEntryRx(&SX1278, 255, 200);
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for (;;) {
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erg = SX1278_LoRaRxPacket(&SX1278);
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if (erg > 0) {
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for (int i=0; i<SX1278.readBytes; i++)
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packet_process_byte(SX1278.rxBuffer[i],&packet_state);
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erg=SX1278_LoRaEntryRx(&SX1278, 255, 200);
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}
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chThdSleepMilliseconds(10);
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}
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}
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#endif
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