forked from IQ.Lvbs/IQ.Pilot
IQ.Pilot Release Commit @ b6534c0
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105
artifacts/package_sources/panda/board/body/main_comms.h
Normal file
105
artifacts/package_sources/panda/board/body/main_comms.h
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@@ -0,0 +1,105 @@
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void comms_endpoint2_write(const uint8_t *data, uint32_t len) {
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UNUSED(data);
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UNUSED(len);
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}
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int comms_control_handler(ControlPacket_t *req, uint8_t *resp) {
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unsigned int resp_len = 0;
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switch (req->request) {
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// **** 0xc1: get hardware type
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case 0xc1:
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resp[0] = hw_type;
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resp_len = 1;
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break;
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// **** 0xd1: enter bootloader mode
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case 0xd1:
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switch (req->param1) {
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case 0:
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print("-> entering bootloader\n");
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enter_bootloader_mode = ENTER_BOOTLOADER_MAGIC;
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NVIC_SystemReset();
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break;
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case 1:
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print("-> entering softloader\n");
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enter_bootloader_mode = ENTER_SOFTLOADER_MAGIC;
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NVIC_SystemReset();
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break;
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default:
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print("Bootloader mode invalid\n");
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break;
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}
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break;
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// **** 0xd3/0xd4: signature bytes
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case 0xd3:
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case 0xd4: {
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uint8_t offset = (req->request == 0xd3) ? 0U : 64U;
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resp_len = 64U;
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char *code = (char *)_app_start;
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int code_len = _app_start[0];
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(void)memcpy(resp, &code[code_len + offset], resp_len);
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break;
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}
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// **** 0xd6: get version
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case 0xd6:
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(void)memcpy(resp, gitversion, sizeof(gitversion));
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resp_len = sizeof(gitversion) - 1U;
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break;
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// **** 0xd8: reset ST
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case 0xd8:
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NVIC_SystemReset();
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break;
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// **** 0xe0: set motor speed
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case 0xe0:
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motor_set_speed((uint8_t)req->param1, (int8_t)req->param2);
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break;
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// **** 0xe1: stop motor
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case 0xe1:
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motor_set_speed((uint8_t)req->param1, 0);
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break;
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// **** 0xe2: get motor encoder state
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case 0xe2: {
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uint8_t motor = (uint8_t)req->param1;
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int32_t position = motor_encoder_get_position(motor);
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float rpm = motor_encoder_get_speed_rpm(motor);
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int32_t rpm_milli = (int32_t)(rpm * 1000.0f);
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(void)memcpy(resp, &position, sizeof(position));
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(void)memcpy(resp + sizeof(position), &rpm_milli, sizeof(rpm_milli));
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resp_len = (uint8_t)(sizeof(position) + sizeof(rpm_milli));
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break;
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}
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// **** 0xe3: reset encoder position
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case 0xe3:
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motor_encoder_reset((uint8_t)req->param1);
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break;
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// **** 0xe4: set motor target speed (rpm * 0.1)
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case 0xe4: {
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uint8_t motor = (uint8_t)req->param1;
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float target_rpm = ((int16_t)req->param2) * 0.1f;
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motor_speed_controller_set_target_rpm(motor, target_rpm);
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break;
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}
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// **** 0xdd: get healthpacket and CANPacket versions
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case 0xdd:
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resp[0] = HEALTH_PACKET_VERSION;
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resp[1] = CAN_PACKET_VERSION;
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resp[2] = CAN_HEALTH_PACKET_VERSION;
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resp_len = 3U;
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break;
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default:
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// Ignore unhandled requests
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break;
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}
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return resp_len;
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}
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