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Diffstat (limited to 'peripheral/libmraa/examples/uart_ow.c')
-rw-r--r-- | peripheral/libmraa/examples/uart_ow.c | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/peripheral/libmraa/examples/uart_ow.c b/peripheral/libmraa/examples/uart_ow.c deleted file mode 100644 index 63ed410..0000000 --- a/peripheral/libmraa/examples/uart_ow.c +++ /dev/null @@ -1,92 +0,0 @@ -/* - * Author: Jon Trulson <jtrulson@ics.com> - * Copyright (c) 2016 Intel Corporation - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#include "stdio.h" -//! [Interesting] -#include "mraa.h" - -int -main(int argc, char** argv) -{ - mraa_uart_ow_context uart; - uart = mraa_uart_ow_init(0); - - if (!uart) { - printf("mraa_uart_ow_init() failed\n"); - return 1; - } - - // Reset the ow bus and see if anything is present - mraa_result_t rv; - - if ((rv = mraa_uart_ow_reset(uart)) == MRAA_SUCCESS) { - printf("Reset succeeded, device(s) detected!\n"); - } else { - printf("Reset failed, returned %d. No devices on bus?\n", rv); - return 1; - } - - printf("Looking for devices...\n"); - uint8_t id[MRAA_UART_OW_ROMCODE_SIZE]; - - /* we are essentially doing a binary tree search through the 64 - * bit address space. id is modified during this search, and will - * be set to the valid rom code for each device found. - */ - - uint8_t count = 0; - - // start the search from scratch - mraa_result_t result = mraa_uart_ow_rom_search(uart, 1, id); - if (result == MRAA_ERROR_UART_OW_NO_DEVICES) { - printf("No devices detected.\n"); - return 1; - } - - if (result == MRAA_ERROR_UART_OW_DATA_ERROR) { - printf("Bus/Data error.\n"); - return 1; - } - - while (result == MRAA_SUCCESS) { - /* The first byte (id[0]]) is the device type (family) code. - * The last byte (id[7]) is the rom code CRC value. The - * intervening bytes (id[1]-id[6]) are the unique 48 bit - * device ID. - */ - printf("Device %02d Type 0x%02x ID %02x%02x%02x%02x%02x%02x CRC 0x%02x\n", count, id[0], - id[6], id[5], id[4], id[3], id[2], id[1], id[7]); - count++; - - // continue the search with start argument set to 0 - result = mraa_uart_ow_rom_search(uart, 0, id); - } - - printf("Exiting...\n"); - - mraa_uart_ow_stop(uart); - - return 0; -} -//! [Interesting] |