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#include <isotp/isotp.h>
const uint16_t MAX_ISO_TP_MESSAGE_SIZE = 4096;
const uint16_t MAX_CAN_FRAME_SIZE = 8;
const uint8_t ISO_TP_DEFAULT_RESPONSE_TIMEOUT = 100;
const bool ISO_TP_DEFAULT_FRAME_PADDING_STATUS = true;
void isotp_receive_can_frame(const uint16_t arbitration_id, const uint8_t* data,
const uint8_t length) {
//match with any request we made
//handle flow control if necessary
//call callback if message completed
}
bool isotp_send(const uint8_t* payload, uint16_t payload_size) {
// we determine if it's single/multi frame and start the send
}
void isotp_set_timeout(IsoTpHandler* handler, uint16_t timeout_ms) {
handler->timeout_ms = timeout_ms;
}
IsoTpShims isotp_init_shims(LogShim log, SendCanMessageShim send_can_message,
SetTimerShim set_timer) {
IsoTpShims shims = {
log: log,
send_can_message: send_can_message,
set_timer: set_timer
};
return shims;
}
IsoTpHandler isotp_init(IsoTpShims* shims, uint16_t arbitration_id,
IsoTpMessageReceivedHandler message_received_callback,
IsoTpMessageSentHandler message_sent_callback,
IsoTpCanFrameSentHandler can_frame_sent_callback) {
IsoTpHandler handler = {
shims: shims,
message_received_callback: message_received_callback,
message_sent_callback: message_sent_callback,
can_frame_sent_callback: can_frame_sent_callback,
timeout_ms: ISO_TP_DEFAULT_RESPONSE_TIMEOUT,
frame_padding: ISO_TP_DEFAULT_FRAME_PADDING_STATUS,
sending: false
};
return handler;
}
// TODO this would be better as a "isotp_message_to_string"
void log_isotp_message(const uint16_t arbitration_id,
const uint8_t* payload, const uint16_t size) {
debug("ID: 0x%02x, Payload:", arbitration_id);
for(int i = 0; i < size; i++) {
debug("0x%x", payload[i]);
}
}
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