From b1eaaeca6fdcb38d9a247e2deabe1da788a1e1f0 Mon Sep 17 00:00:00 2001 From: Harsh Sharma Date: Thu, 3 Mar 2022 14:44:44 -0600 Subject: LoRa updates with MTAC-003 --- src/AccessoryCards/LoraCard15.cpp | 195 +++++++------------------------------- 1 file changed, 34 insertions(+), 161 deletions(-) (limited to 'src/AccessoryCards/LoraCard15.cpp') diff --git a/src/AccessoryCards/LoraCard15.cpp b/src/AccessoryCards/LoraCard15.cpp index a7a1dad..3ed0f31 100644 --- a/src/AccessoryCards/LoraCard15.cpp +++ b/src/AccessoryCards/LoraCard15.cpp @@ -1,172 +1,45 @@ /********************************************************************** -* COPYRIGHT 2020 MULTI-TECH SYSTEMS, INC. -* -* ALL RIGHTS RESERVED BY AND FOR THE EXCLUSIVE BENEFIT OF -* MULTI-TECH SYSTEMS, INC. -* -* MULTI-TECH SYSTEMS, INC. - CONFIDENTIAL AND PROPRIETARY -* INFORMATION AND/OR TRADE SECRET. -* -* NOTICE: ALL CODE, PROGRAM, INFORMATION, SCRIPT, INSTRUCTION, -* DATA, AND COMMENT HEREIN IS AND SHALL REMAIN THE CONFIDENTIAL -* INFORMATION AND PROPERTY OF MULTI-TECH SYSTEMS, INC. -* USE AND DISCLOSURE THEREOF, EXCEPT AS STRICTLY AUTHORIZED IN A -* WRITTEN AGREEMENT SIGNED BY MULTI-TECH SYSTEMS, INC. IS PROHIBITED. -* -***********************************************************************/ + * COPYRIGHT 2020 MULTI-TECH SYSTEMS, INC. + * + * ALL RIGHTS RESERVED BY AND FOR THE EXCLUSIVE BENEFIT OF + * MULTI-TECH SYSTEMS, INC. + * + * MULTI-TECH SYSTEMS, INC. - CONFIDENTIAL AND PROPRIETARY + * INFORMATION AND/OR TRADE SECRET. + * + * NOTICE: ALL CODE, PROGRAM, INFORMATION, SCRIPT, INSTRUCTION, + * DATA, AND COMMENT HEREIN IS AND SHALL REMAIN THE CONFIDENTIAL + * INFORMATION AND PROPERTY OF MULTI-TECH SYSTEMS, INC. + * USE AND DISCLOSURE THEREOF, EXCEPT AS STRICTLY AUTHORIZED IN A + * WRITTEN AGREEMENT SIGNED BY MULTI-TECH SYSTEMS, INC. IS PROHIBITED. + * + ***********************************************************************/ #include "Device.h" -Device::Lora15Card::Lora15Card(Device& d, const std::string ProductId, const std::string Port) : LoraCard(d, ProductId, Port) { - int ret; - std::string deviceHwVersion = ""; - /* Map the spi path to the device hw version/mtac product id, with the default being spidev0.0 */ - MTS::System::readFile(HW_VERSION_PATH, deviceHwVersion); - if (deviceHwVersion.find("MTCDT3-") != std::string::npos) { - if (port.back() == '2') { - spiPath = "/dev/spidev1.2"; - } else { - spiPath = "/dev/spidev0.2"; - } - } else if (productId.find("MTAC-LORA-") == 0) { - if (port.back() == '2') { - spiPath = "/dev/spidev32765.2"; - } else { - spiPath = "/dev/spidev32766.2"; - } - } - ret = spiOpen(spiPath.c_str()); - if (ret != 0) { - printf("Could not open SPI port %s", spiPath.c_str()); - return; - } - /* detect if the gateway has an FPGA with SPI mux header support */ - ret = spiRead(MTAC_FPGA_ADDRESS, &fpgaVersion); - if (ret != 0) { - printf("Could not read FPGA version"); - fpgaVersion = 255; - } - - spiClose(); - spi_target_ptr = NULL; - setCapabilities(); -} - -int Device::Lora15Card::spiOpen(const char *spidev) { - int *spi_device = NULL; - int dev; - int a = 0, b = 0; - int i; - - /* allocate memory for the device descriptor */ - spi_device = (int *)malloc(sizeof(int)); - if (spi_device == NULL) { - printf("ERROR: MALLOC FAIL\n"); - return -1; - } - - /* open SPI device */ - dev = open(spidev, O_RDWR); - if (dev < 0) { - printf("ERROR: failed to open SPI device %s\n", spidev); - return -1; - } +Device::Lora15Card::Lora15Card(Device &d) + : LoraCard(d, std::regex("(MTAC-LORA-H)(.*)|(MTAC-LORA-F)(.*)|(MTCAP-LORA-)" + "(.*)|(MTLGA-)(.*)|(MTCDT3-)(.*)")) {} - /* setting SPI mode to 'mode 0' */ - i = SPI_MODE_3; - a = ioctl(dev, SPI_IOC_WR_MODE, &i); - b = ioctl(dev, SPI_IOC_RD_MODE, &i); - if ((a < 0) || (b < 0)) { - printf("ERROR: SPI PORT FAIL TO SET IN MODE 0\n"); - close(dev); - free(spi_device); - return -1; - } +void Device::Lora15Card::AddToDeviceInfo(const std::string Port, + const std::string ProductID) { - /* setting SPI max clk (in Hz) */ - i = SPI_SPEED; - a = ioctl(dev, SPI_IOC_WR_MAX_SPEED_HZ, &i); - b = ioctl(dev, SPI_IOC_RD_MAX_SPEED_HZ, &i); - if ((a < 0) || (b < 0)) { - printf("ERROR: SPI PORT FAIL TO SET MAX SPEED\n"); - close(dev); - free(spi_device); - return -1; - } + LoraCard::AddToDeviceInfo(Port, ProductID); - /* setting SPI to MSB first */ - i = 0; - a = ioctl(dev, SPI_IOC_WR_LSB_FIRST, &i); - b = ioctl(dev, SPI_IOC_RD_LSB_FIRST, &i); - if ((a < 0) || (b < 0)) { - printf("ERROR: SPI PORT FAIL TO SET MSB FIRST\n"); - close(dev); - free(spi_device); - return -1; - } - - /* setting SPI to 8 bits per word */ - i = 0; - a = ioctl(dev, SPI_IOC_WR_BITS_PER_WORD, &i); - b = ioctl(dev, SPI_IOC_RD_BITS_PER_WORD, &i); - if ((a < 0) || (b < 0)) { - printf("ERROR: SPI PORT FAIL TO SET 8 BITS-PER-WORD\n"); - close(dev); - return -1; - } - - *spi_device = dev; - spi_target_ptr = (void *)spi_device; - return 0; -} -int Device::Lora15Card::spiRead(uint8_t address, uint8_t *data) { - int spi_device; - uint8_t out_buf[3]; - uint8_t in_buf[ARRAY_SIZE(out_buf)]; - uint8_t command_size; - struct spi_ioc_transfer k; - int a; - - spi_device = *(int *)spi_target_ptr; /* spi_target cannot be null beforehand */ - - /* prepare frame to be sent */ - out_buf[0] = MTAC_FPGA; - out_buf[1] = READ_ACCESS | (address & 0x7F); - out_buf[2] = 0x00; - command_size = 3; - - /* I/O transaction */ - memset(&k, 0, sizeof(k)); /* clear k */ - k.tx_buf = (unsigned long)out_buf; - k.rx_buf = (unsigned long)in_buf; - k.len = command_size; - k.cs_change = 1; - a = ioctl(spi_device, SPI_IOC_MESSAGE(1), &k); - - /* determine return code */ - if (a != (int)k.len) { - printf("ERROR: SPI READ FAILURE\n"); - return -1; + if (ProductID.rfind("MTCAP", 0) == 0) { + spiPath = "/dev/spidev0.0"; + } else if (Port.back() == '2') { + spiPath = "/dev/spidev1.2"; } else { - *data = in_buf[command_size - 1]; - return 0; + spiPath = "/dev/spidev0.2"; } -} - -int Device::Lora15Card::spiClose() { - int spi_device; - int a; - - /* close file & deallocate file descriptor */ - spi_device = *(int *)spi_target_ptr; /* check that spi_target is not null */ - a = close(spi_device); - free(spi_target_ptr); - /* determine return code */ - if (a < 0) { - printf("ERROR: SPI PORT FAILED TO CLOSE\n"); - return -1; - } else { - return 0; - } + Mtac15Fpga mtac15Fpga(spiPath); + mtac15Fpga.getFpgaVersion(); + fpgaVersion = mtac15Fpga.FpgaVersion(); + device.accessoryCard.AddMember( + "spiPath", + rapidjson::Value().SetString(spiPath.c_str(), device.acAlloc), + device.acAlloc); + device.accessoryCard.AddMember("fpgaVersion", fpgaVersion, device.acAlloc); } \ No newline at end of file -- cgit v1.2.3