Separation Generator to a dedicated repo

Change-Id: Id94831651c3266861435272a6e36c7884bef2c45
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

1 files changed, 0 insertions, 400 deletions

diff --git a/CAN-binder/libs/uds-c/src/uds/uds.c b/CAN-binder/libs/uds-c/src/uds/uds.c
deleted file mode 100644
index 0114384d..00000000
--- a/CAN-binder/libs/uds-c/src/uds/uds.c
+++ /dev/null
@@ -1,400 +0,0 @@
-#include <uds/uds.h>
-#include <bitfield/bitfield.h>
-#include <canutil/read.h>
-#include <string.h>
-#include <limits.h>
-#include <stddef.h>
-#include <sys/param.h>
-#include <inttypes.h>
-
-#define ARBITRATION_ID_OFFSET 0x8
-#define MODE_RESPONSE_OFFSET 0x40
-#define NEGATIVE_RESPONSE_MODE 0x7f
-#define MAX_DIAGNOSTIC_PAYLOAD_SIZE 6
-#define MODE_BYTE_INDEX 0
-#define PID_BYTE_INDEX 1
-#define NEGATIVE_RESPONSE_MODE_INDEX 1
-#define NEGATIVE_RESPONSE_NRC_INDEX 2
-
-#ifndef MAX
-#define MAX(x, y) (((x) > (y)) ? (x) : (y))
-#endif
-
-DiagnosticShims diagnostic_init_shims(LogShim log,
-        SendCanMessageShim send_can_message,
-        SetTimerShim set_timer) {
-    DiagnosticShims shims = {
-        log: log,
-        send_can_message: send_can_message,
-        set_timer: set_timer
-    };
-    return shims;
-}
-
-static void setup_receive_handle(DiagnosticRequestHandle* handle) {
-    if(handle->request.arbitration_id == OBD2_FUNCTIONAL_BROADCAST_ID) {
-        uint32_t response_id;
-        for(response_id = 0;
-                response_id < OBD2_FUNCTIONAL_RESPONSE_COUNT; ++response_id) {
-            handle->isotp_receive_handles[response_id] = isotp_receive(
-                    &handle->isotp_shims,
-                    OBD2_FUNCTIONAL_RESPONSE_START + response_id,
-                    NULL);
-        }
-        handle->isotp_receive_handle_count = OBD2_FUNCTIONAL_RESPONSE_COUNT;
-    } else {
-        handle->isotp_receive_handle_count = 1;
-        handle->isotp_receive_handles[0] = isotp_receive(&handle->isotp_shims,
-                handle->request.arbitration_id + ARBITRATION_ID_OFFSET,
-                NULL);
-    }
-}
-
-static uint16_t autoset_pid_length(uint8_t mode, uint16_t pid,
-        uint8_t pid_length) {
-    if(pid_length == 0) {
-        if(mode <= 0xa || mode == 0x3e ) {
-            pid_length = 1;
-        } else if(pid > 0xffff || ((pid & 0xFF00) > 0x0)) {
-            pid_length = 2;
-        } else {
-            pid_length = 1;
-        }
-    }
-    return pid_length;
-}
-
-static void send_diagnostic_request(DiagnosticShims* shims,
-        DiagnosticRequestHandle* handle) {
-    uint8_t payload[MAX_DIAGNOSTIC_PAYLOAD_SIZE] = {0};
-    payload[MODE_BYTE_INDEX] = handle->request.mode;
-    if(handle->request.has_pid) {
-        handle->request.pid_length = autoset_pid_length(handle->request.mode,
-                handle->request.pid, handle->request.pid_length);
-        set_bitfield(handle->request.pid, PID_BYTE_INDEX * CHAR_BIT,
-                handle->request.pid_length * CHAR_BIT, payload,
-                sizeof(payload));
-    }
-
-    if(handle->request.payload_length > 0) {
-        memcpy(&payload[PID_BYTE_INDEX + handle->request.pid_length],
-                handle->request.payload, handle->request.payload_length);
-    }
-
-    handle->isotp_send_handle = isotp_send(&handle->isotp_shims,
-            handle->request.arbitration_id, payload,
-            1 + handle->request.payload_length + handle->request.pid_length,
-            NULL);
-    if(handle->isotp_send_handle.completed &&
-            !handle->isotp_send_handle.success) {
-        handle->completed = true;
-        handle->success = false;
-        if(shims->log != NULL) {
-            shims->log("%s", "Diagnostic request not sent");
-        }
-    } else if(shims->log != NULL) {
-        char request_string[128] = {0};
-        diagnostic_request_to_string(&handle->request, request_string,
-                sizeof(request_string));
-        shims->log("Sending diagnostic request: %s", request_string);
-    }
-}
-
-bool diagnostic_request_sent(DiagnosticRequestHandle* handle) {
-    return handle->isotp_send_handle.completed;
-}
-
-void start_diagnostic_request(DiagnosticShims* shims,
-        DiagnosticRequestHandle* handle) {
-    handle->success = false;
-    handle->completed = false;
-    send_diagnostic_request(shims, handle);
-    if(!handle->completed) {
-        setup_receive_handle(handle);
-    }
-}
-
-DiagnosticRequestHandle generate_diagnostic_request(DiagnosticShims* shims,
-        DiagnosticRequest* request, DiagnosticResponseReceived callback) {
-    DiagnosticRequestHandle handle = {
-        request: *request,
-        callback: callback,
-        success: false,
-        completed: false
-    };
-
-    handle.isotp_shims = isotp_init_shims(shims->log,
-            shims->send_can_message,
-            shims->set_timer);
-    handle.isotp_shims.frame_padding = !request->no_frame_padding;
-
-    return handle;
-    // TODO notes on multi frame:
-    // TODO what are the timers for exactly?
-    //
-    // when sending multi frame, send 1 frame, wait for a response
-    // if it says send all, send all right away
-    // if it says flow control, set the time for the next send
-    // instead of creating a timer with an async callback, add a process_handle
-    // function that's called repeatedly in the main loop - if it's time to
-    // send, we do it. so there's a process_handle_send and receive_can_frame
-    // that are just called continuously from the main loop. it's a waste of a
-    // few cpu cycles but it may be more  natural than callbacks.
-    //
-    // what would a timer callback look like...it would need to pass the handle
-    // and that's all. seems like a context void* would be able to capture all
-    // of the information but arg, memory allocation. look at how it's done in
-    // the other library again
-    //
-}
-
-DiagnosticRequestHandle diagnostic_request(DiagnosticShims* shims,
-        DiagnosticRequest* request, DiagnosticResponseReceived callback) {
-    DiagnosticRequestHandle handle = generate_diagnostic_request(
-            shims, request, callback);
-    start_diagnostic_request(shims, &handle);
-    return handle;
-}
-
-DiagnosticRequestHandle diagnostic_request_pid(DiagnosticShims* shims,
-        DiagnosticPidRequestType pid_request_type, uint32_t arbitration_id,
-        uint16_t pid, DiagnosticResponseReceived callback) {
-    DiagnosticRequest request = {
-        arbitration_id: arbitration_id,
-        mode: pid_request_type == DIAGNOSTIC_STANDARD_PID ? 0x1 : 0x22,
-        has_pid: true,
-        pid: pid
-    };
-
-    return diagnostic_request(shims, &request, callback);
-}
-
-static bool handle_negative_response(IsoTpMessage* message,
-        DiagnosticResponse* response, DiagnosticShims* shims) {
-    bool response_was_negative = false;
-    if(response->mode == NEGATIVE_RESPONSE_MODE) {
-        response_was_negative = true;
-        if(message->size > NEGATIVE_RESPONSE_MODE_INDEX) {
-            response->mode = message->payload[NEGATIVE_RESPONSE_MODE_INDEX];
-        }
-
-        if(message->size > NEGATIVE_RESPONSE_NRC_INDEX) {
-            response->negative_response_code =
-                    message->payload[NEGATIVE_RESPONSE_NRC_INDEX];
-        }
-
-        response->success = false;
-        response->completed = true;
-    }
-    return response_was_negative;
-}
-
-static bool handle_positive_response(DiagnosticRequestHandle* handle,
-        IsoTpMessage* message, DiagnosticResponse* response,
-        DiagnosticShims* shims) {
-    bool response_was_positive = false;
-    if(response->mode == handle->request.mode + MODE_RESPONSE_OFFSET) {
-        response_was_positive = true;
-        // hide the "response" version of the mode from the user
-        // if it matched
-        response->mode = handle->request.mode;
-        response->has_pid = false;
-        if(handle->request.has_pid && message->size > 1) {
-            response->has_pid = true;
-            if(handle->request.pid_length == 2) {
-                response->pid = get_bitfield(message->payload, message->size,
-                        PID_BYTE_INDEX * CHAR_BIT, sizeof(uint16_t) * CHAR_BIT);
-            } else {
-                response->pid = message->payload[PID_BYTE_INDEX];
-            }
-
-        }
-
-        if((!handle->request.has_pid && !response->has_pid)
-                || response->pid == handle->request.pid) {
-            response->success = true;
-            response->completed = true;
-
-            uint8_t payload_index = 1 + handle->request.pid_length;
-            response->payload_length = MAX(0, message->size - payload_index);
-            if(response->payload_length > 0) {
-                memcpy(response->payload, &message->payload[payload_index],
-                        response->payload_length);
-            }
-        } else {
-            response_was_positive = false;
-        }
-    }
-    return response_was_positive;
-}
-
-DiagnosticResponse diagnostic_receive_can_frame(DiagnosticShims* shims,
-        DiagnosticRequestHandle* handle, const uint32_t arbitration_id,
-        const uint8_t data[], const uint8_t size) {
-
-    DiagnosticResponse response = {
-        arbitration_id: arbitration_id,
-        multi_frame: false,
-        success: false,
-        completed: false
-    };
-
-    if(!handle->isotp_send_handle.completed) {
-        isotp_continue_send(&handle->isotp_shims,
-                &handle->isotp_send_handle, arbitration_id, data, size);
-    } else {
-        uint8_t i;
-        for(i = 0; i < handle->isotp_receive_handle_count; ++i) {
-            IsoTpMessage message = isotp_continue_receive(&handle->isotp_shims,
-                    &handle->isotp_receive_handles[i], arbitration_id, data,
-                    size);
-            response.multi_frame = message.multi_frame;
-
-            if(message.completed) {
-                if(message.size > 0) {
-                    response.mode = message.payload[0];
-                    if(handle_negative_response(&message, &response, shims) ||
-                            handle_positive_response(handle, &message,
-                                &response, shims)) {
-                        if(shims->log != NULL) {
-                            char response_string[128] = {0};
-                            diagnostic_response_to_string(&response,
-                                    response_string, sizeof(response_string));
-                            shims->log("Diagnostic response received: %s",
-                                    response_string);
-                        }
-
-                        handle->success = true;
-                        handle->completed = true;
-                    }
-                } else {
-                    if(shims->log != NULL) {
-                        shims->log("Received an empty response on arb ID 0x%x",
-                                response.arbitration_id);
-                    }
-                }
-
-                if(handle->completed && handle->callback != NULL) {
-                    handle->callback(&response);
-                }
-
-                break;
-            }
-        }
-    }
-    return response;
-}
-
-int diagnostic_payload_to_integer(const DiagnosticResponse* response) {
-    return get_bitfield(response->payload, response->payload_length, 0,
-            response->payload_length * CHAR_BIT);
-}
-
-float diagnostic_decode_obd2_pid(const DiagnosticResponse* response) {
-    // handles on the single number values, not the bit encoded ones
-    switch(response->pid) {
-        case 0xa:
-            return response->payload[0] * 3;
-        case 0xc:
-            return (response->payload[0] * 256 + response->payload[1]) / 4.0;
-        case 0xd:
-        case 0x33:
-        case 0xb:
-            return response->payload[0];
-        case 0x10:
-            return (response->payload[0] * 256 + response->payload[1]) / 100.0;
-        case 0x11:
-        case 0x2f:
-        case 0x45:
-        case 0x4c:
-        case 0x52:
-        case 0x5a:
-        case 0x4:
-            return response->payload[0] * 100.0 / 255.0;
-        case 0x46:
-        case 0x5c:
-        case 0xf:
-        case 0x5:
-            return response->payload[0] - 40;
-        case 0x62:
-            return response->payload[0] - 125;
-        default:
-            return diagnostic_payload_to_integer(response);
-    }
-}
-
-void diagnostic_response_to_string(const DiagnosticResponse* response,
-        char* destination, size_t destination_length) {
-    int bytes_used = snprintf(destination, destination_length,
-            "arb_id: 0x%lx, mode: 0x%x, ",
-            (unsigned long) response->arbitration_id,
-            response->mode);
-
-    if(response->has_pid) {
-        bytes_used += snprintf(destination + bytes_used,
-                destination_length - bytes_used,
-                "pid: 0x%x, ",
-                response->pid);
-    }
-
-    if(!response->success) {
-        bytes_used += snprintf(destination + bytes_used,
-                destination_length - bytes_used,
-                "nrc: 0x%x, ",
-                response->negative_response_code);
-    }
-
-    if(response->payload_length > 0) {
-        snprintf(destination + bytes_used, destination_length - bytes_used,
-                "payload: 0x%02x%02x%02x%02x%02x%02x%02x",
-                response->payload[0],
-                response->payload[1],
-                response->payload[2],
-                response->payload[3],
-                response->payload[4],
-                response->payload[5],
-                response->payload[6]);
-    } else {
-        snprintf(destination + bytes_used, destination_length - bytes_used,
-                "no payload");
-    }
-}
-
-void diagnostic_request_to_string(const DiagnosticRequest* request,
-        char* destination, size_t destination_length) {
-    int bytes_used = snprintf(destination, destination_length,
-            "arb_id: 0x%lx, mode: 0x%x, ",
-            (unsigned long) request->arbitration_id,
-            request->mode);
-
-    if(request->has_pid) {
-        bytes_used += snprintf(destination + bytes_used,
-                destination_length - bytes_used,
-                "pid: 0x%x, ",
-                request->pid);
-    }
-
-    int remaining_space = destination_length - bytes_used;
-    if(request->payload_length > 0) {
-        snprintf(destination + bytes_used, remaining_space,
-                "payload: 0x%02x%02x%02x%02x%02x%02x%02x",
-                request->payload[0],
-                request->payload[1],
-                request->payload[2],
-                request->payload[3],
-                request->payload[4],
-                request->payload[5],
-                request->payload[6]);
-    } else {
-        snprintf(destination + bytes_used, remaining_space, "no payload");
-    }
-}
-
-bool diagnostic_request_equals(const DiagnosticRequest* ours,
-        const DiagnosticRequest* theirs) {
-    bool equals = ours->arbitration_id == theirs->arbitration_id &&
-        ours->mode == theirs->mode;
-    equals &= ours->has_pid == theirs->has_pid;
-    equals &= ours->pid == theirs->pid;
-    return equals;
-}