thodg/cgminer/bf16-communication.c
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Hash : 6f01253b
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Date : 2017-01-26T13:30:45
merge with cgminer rev 87e3da18638275d2b5adbd0ccd0a17225793bf8f code refactoring: - Con Colivas notes - whitespace nitts - unused parameters removed - compiler warnings removed
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bf16-communication.c
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#include "bf16-communication.h" #include "bf16-ctrldevice.h" #include "bf16-gpiodevice.h" #include "miner.h" #define MSP_BUFF_SIZE 96 static device_t* spi0_device; static device_t* spi1_device; static device_t* uart1_device; static device_t* uart2_device; static device_t* ctrl_device; static device_t* gpio_device; /* transfer functions */ int8_t device_spi_transfer(spi_channel_id_t channel_id, uint8_t* data, int size) { switch (channel_id) { case SPI_CHANNEL1: memset(spi0_device->tx, 0, spi0_device->size); memset(spi0_device->rx, 0, spi0_device->size); spi0_device->datalen = size; cg_memcpy(spi0_device->tx, data, size); spi_transfer(spi0_device); cg_memcpy(data, spi0_device->rx, size); break; case SPI_CHANNEL2: memset(spi1_device->tx, 0, spi1_device->size); memset(spi1_device->rx, 0, spi1_device->size); spi1_device->datalen = size; cg_memcpy(spi1_device->tx, data, size); spi_transfer(spi1_device); cg_memcpy(data, spi1_device->rx, size); break; } return 0; } int8_t device_spi_txrx(spi_channel_id_t channel_id, uint8_t* tx, uint8_t* rx, int size) { switch (channel_id) { case SPI_CHANNEL1: memset(spi0_device->tx, 0, spi0_device->size); memset(spi0_device->rx, 0, spi0_device->size); spi0_device->datalen = size; cg_memcpy(spi0_device->tx, tx, size); spi_transfer(spi0_device); cg_memcpy(rx, spi0_device->rx, size); break; case SPI_CHANNEL2: memset(spi1_device->tx, 0, spi1_device->size); memset(spi1_device->rx, 0, spi1_device->size); spi1_device->datalen = size; cg_memcpy(spi1_device->tx, tx, size); spi_transfer(spi1_device); cg_memcpy(rx, spi1_device->rx, size); break; } return 0; } static void add_crc(char* data) { uint8_t crc = 0; while (*data) { crc += *data; data++; } sprintf(data, "#%d\n", crc); } int8_t device_uart_transfer(uart_channel_id_t channel_id, char* cmd) { uint8_t buff[MSP_BUFF_SIZE]; memset(buff, 0, MSP_BUFF_SIZE); uint16_t cmdlen = strlen(cmd); if (cmdlen > 0) { (cmdlen == 1) ? sprintf((char *)buff, "%s:", cmd) : sprintf((char *)buff, "%s", cmd); add_crc((char *)buff); } switch (channel_id) { case UART_CHANNEL1: memset(uart1_device->tx, 0, uart1_device->size); memset(uart1_device->rx, 0, uart1_device->size); uart1_device->datalen = strlen((char *)buff); cg_memcpy(uart1_device->tx, buff, uart1_device->datalen); return uart_transfer(uart1_device); break; case UART_CHANNEL2: memset(uart2_device->tx, 0, uart2_device->size); memset(uart2_device->rx, 0, uart2_device->size); uart2_device->datalen = strlen((char *)buff); cg_memcpy(uart2_device->tx, buff, uart2_device->datalen); return uart_transfer(uart2_device); break; } return 0; } int16_t device_uart_txrx(uart_channel_id_t channel_id, char* cmd, char* data) { uint8_t buff[MSP_BUFF_SIZE]; memset(buff, 0, MSP_BUFF_SIZE); uint16_t cmdlen = strlen(cmd); if (cmdlen > 0) { (cmdlen == 1) ? sprintf((char *)buff, "%s:", cmd) : sprintf((char *)buff, "%s", cmd); add_crc((char *)buff); } switch (channel_id) { case UART_CHANNEL1: memset(uart1_device->tx, 0, uart1_device->size); memset(uart1_device->rx, 0, uart1_device->size); uart1_device->datalen = strlen((char *)buff); cg_memcpy(uart1_device->tx, buff, uart1_device->datalen); if (uart_transfer(uart1_device) < 0) return -1; cg_memcpy(data, uart1_device->rx, uart1_device->datalen); return uart1_device->datalen; break; case UART_CHANNEL2: memset(uart2_device->tx, 0, uart2_device->size); memset(uart2_device->rx, 0, uart2_device->size); uart2_device->datalen = strlen((char *)buff); cg_memcpy(uart2_device->tx, buff, uart2_device->datalen); if (uart_transfer(uart2_device) < 0) return -1; cg_memcpy(data, uart2_device->rx, uart2_device->datalen); return uart2_device->datalen; break; } return 0; } int8_t device_ctrl_transfer(uint8_t channel_id, int state, int fn) { int8_t ret = 0; char* cmd = get_ctrl_data(channel_id, state, fn); memset(ctrl_device->tx, 0, ctrl_device->size); memset(ctrl_device->rx, 0, ctrl_device->size); ctrl_device->datalen = strlen(cmd) + 1; cg_memcpy(ctrl_device->tx, cmd, ctrl_device->datalen); ret = ctrl_transfer(ctrl_device); free(cmd); return ret; } int8_t device_ctrl_txrx(uint8_t channel_id, int state, int fn, char* data) { int8_t ret = 0; char* cmd = get_ctrl_data(channel_id, state, fn); memset(ctrl_device->tx, 0, ctrl_device->size); memset(ctrl_device->rx, 0, ctrl_device->size); ctrl_device->datalen = strlen(cmd) + 1; cg_memcpy(ctrl_device->tx, cmd, ctrl_device->datalen); ret = ctrl_transfer(ctrl_device); cg_memcpy(data, ctrl_device->rx, ctrl_device->datalen); free(cmd); return ret; } /* open device functions */ int8_t open_spi_device(spi_channel_id_t channel_id) { switch (channel_id) { case SPI_CHANNEL1: if ((spi0_device = malloc(sizeof(device_t))) == NULL) quit(1, "Failed to allocate spi_device1 memory: %s", strerror(errno)); memset(spi0_device, 0, sizeof(device_t)); return spi_init(spi0_device, channel_id, 1, SPI_SPEED, SPI_BUFFER_SIZE); break; case SPI_CHANNEL2: if ((spi1_device = malloc(sizeof(device_t))) == NULL) quit(1, "Failed to allocate spi_device2 memory: %s", strerror(errno)); memset(spi1_device, 0, sizeof(device_t)); return spi_init(spi1_device, channel_id, 1, SPI_SPEED, SPI_BUFFER_SIZE); break; } return 0; } int8_t open_uart_device(uart_channel_id_t channel_id) { switch (channel_id) { case UART_CHANNEL1: if ((uart1_device = malloc(sizeof(device_t))) == NULL) quit(1, "Failed to allocate uart_device1 memory: %s", strerror(errno)); memset(uart1_device, 0, sizeof(device_t)); return uart_init(uart1_device, channel_id, 0, B115200, UART_BUFFER_SIZE); break; case UART_CHANNEL2: if ((uart2_device = malloc(sizeof(device_t))) == NULL) quit(1, "Failed to allocate uart_device2 memory: %s", strerror(errno)); memset(uart2_device, 0, sizeof(device_t)); return uart_init(uart2_device, channel_id, 0, B115200, UART_BUFFER_SIZE); break; } return 0; } int8_t open_ctrl_device(void) { if ((ctrl_device = malloc(sizeof(device_t))) == NULL) quit(1, "Failed to allocate ctrl_device memory: %s", strerror(errno)); memset(ctrl_device, 0, sizeof(device_t)); if ((gpio_device = malloc(sizeof(device_t))) == NULL) quit(1, "Failed to allocate gpio_device memory: %s", strerror(errno)); memset(gpio_device, 0, sizeof(device_t)); if (gpio_init(gpio_device, gpio_device_name, GPIO_BUFFER_SIZE) < 0) quit(1, "Failed to open [%s] device in open_ctrl_device", gpio_device_name); applog(LOG_INFO, "BF16: opened [%s] device", gpio_device_name); return ctrl_init(ctrl_device, ctrl_device_name, CTRL_BUFFER_SIZE); } /* close device functions */ int8_t close_spi_device(spi_channel_id_t channel_id) { switch (channel_id) { case SPI_CHANNEL1: spi_release(spi0_device); free(spi0_device); break; case SPI_CHANNEL2: spi_release(spi1_device); free(spi1_device); break; } return 0; } int8_t close_uart_device(uart_channel_id_t channel_id) { switch (channel_id) { case UART_CHANNEL1: uart_release(uart1_device); free(uart1_device); break; case UART_CHANNEL2: uart_release(uart2_device); free(uart2_device); break; } return 0; } int8_t close_ctrl_device(void) { ctrl_release(ctrl_device); gpio_release(gpio_device); free(ctrl_device); free(gpio_device); return 0; }