这个函数从测试效果来看，好像没什么问题
[C] 纯文本查看 复制代码 /*
* Store information about sequence data packages from other ECU who are going to send to this ECU
* PGN: 0x00EC00 (60416)
*/
void SAE_J1939_Read_Transport_Protocol_Connection_Management(J1939 *j1939, uint8_t SA, uint8_t data[]) {
j1939->from_other_ecu_tp_cm.control_byte = data[0];
j1939->from_other_ecu_tp_cm.total_message_size = (data[2] << 8) | data[1];
j1939->from_other_ecu_tp_cm.number_of_packages = data[3];
j1939->from_other_ecu_tp_cm.PGN_of_the_packeted_message = (data[7] << 16) | (data[6] << 8) | data[5];
j1939->from_other_ecu_tp_cm.from_ecu_address = SA;
/* Check if we got the Request To Send control byte - We need to answer with CTS - Clear To Send */
if(j1939->from_other_ecu_tp_cm.control_byte == CONTROL_BYTE_TP_CM_RTS){
j1939->this_ecu_tp_cm = j1939->from_other_ecu_tp_cm; /* Copy - We need to have the same data */
j1939->this_ecu_tp_cm.control_byte = CONTROL_BYTE_TP_CM_CTS; /* We only need to change the control byte from RTS to CTS */
SAE_J1939_Send_Transport_Protocol_Connection_Management(j1939, SA);
}
/* When we answer with CTS, it means we are going to send the Transport Protocol Data Transfer package */
if(j1939->from_other_ecu_tp_cm.control_byte == CONTROL_BYTE_TP_CM_CTS){
SAE_J1939_Send_Transport_Protocol_Data_Transfer(j1939, SA);
}
} | 
发表于 2024-1-2 01:28:45
发表于 2024-1-2 08:51:39
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