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try to detect dfrobot station to tell it apart from an ublox gps. (#5393)

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Thomas Göttgens 2024-11-23 16:56:40 +01:00 committed by Tom Fifield
parent 350a89d0e2
commit 563aeba72a
1 changed files with 17 additions and 3 deletions
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16
src/detect/ScanI2CTwoWire.cpp
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@ -314,14 +314,28 @@ void ScanI2CTwoWire::scanPort(I2CPort port, uint8_t *address, uint8_t asize)
break; break;
case INA3221_ADDR: case INA3221_ADDR:
registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0xFE), 2); registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0xFE), 2);
LOG_DEBUG("Register MFG_UID: 0x%x", registerValue); LOG_DEBUG("Register MFG_UID FE: 0x%x", registerValue);
if (registerValue == 0x5449) { if (registerValue == 0x5449) {
LOG_INFO("INA3221 sensor found at address 0x%x", (uint8_t)addr.address); LOG_INFO("INA3221 sensor found at address 0x%x", (uint8_t)addr.address);
type = INA3221; type = INA3221;
} else { } else {
/* check the first 2 bytes of the 6 byte response register
LARK FW 1.0 should return:
RESPONSE_STATUS STATUS_SUCCESS (0x53)
RESPONSE_CMD CMD_GET_VERSION (0x05)
RESPONSE_LEN_L 0x02
RESPONSE_LEN_H 0x00
RESPONSE_PAYLOAD 0x01
RESPONSE_PAYLOAD+1 0x00
*/
registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0x05), 2);
LOG_DEBUG("Register MFG_UID 05: 0x%x", registerValue);
if (registerValue == 0x5305) {
LOG_INFO("DFRobot Lark weather station found at address 0x%x", (uint8_t)addr.address); LOG_INFO("DFRobot Lark weather station found at address 0x%x", (uint8_t)addr.address);
type = DFROBOT_LARK; type = DFROBOT_LARK;
} }
// else: probably a RAK12500/UBLOX GPS on I2C
}
break; break;
case MCP9808_ADDR: case MCP9808_ADDR:
// We need to check for STK8BAXX first, since register 0x07 is new data flag for the z-axis and can produce some // We need to check for STK8BAXX first, since register 0x07 is new data flag for the z-axis and can produce some