PX4-Autopilot: [Bug] Recent DMA change ed4814f6239097dde5eecf2b4fbd58661db84dda stm32h7/serial: Do not wait on TXDMA semaphore breaks a lot of things.

Describe the bug

With stm32h7/serial: Do not wait on TXDMA semaphore in, the console will not complete transmitting the complete output until a character is input on console.

gps status

sh> gps status
INFO  [gps] Main GPS
INFO  [gps] protocol: UBX
INFO  [gps] status: OK, port: /dev/ttyS0, baudrate: 115200
INFO  [gps] sat info: disabled
INFO  [gps] rate reading:                  817 B/s
INFO  [gps] rate position:                5.00 Hz
INFO  [gps] rate velocity:                5.00 Hz
INFO  [gps] rate publication:             5.00 Hz
INFO  [gps] rate RTCM injection:          0.00 Hz
 sensor_gps
    timestamp: 402227138 (0.141411 seconds ago)

< hit a key >

    timestamp_sample: 0
    latitude_deg: 27.589204
    longitude_deg: -80.435646
    altitude_msl_m: 21.876000
    altitude_ellipsoid_m: -6.741000
    time_utc_usec: 1700158702599596
    device_id: 11010053 (Type: 0xA8, SERIAL:0 (0x00))
    s_variance_m_s: 0.91500
    c_variance_rad: 0.77875
    eph: 4.81900
    epv: 6.55500
    hdop: 1.67000
    vdop: 2.80000
    noise_per_ms: 98
    jamming_indicator: 47
    vel_m_s: 0.04700
    vel_n_m_s: 0.02800
    vel_e_m_s: -0.03800
    vel_d_m_s: 0.00200
    cog_rad: 1.72410
    timestamp_time_relative: 0
    heading: nan
    heading_offset: 0.00000
    heading_accuracy: 0.00000
    rtcm_injection_rate: 0.00000
    automatic_gain_control: 780
    fix_type: 3
    jamming_state: 0
    spoofing_state: 1
    vel_ned_valid: True
    satellites_used: 8
    selected_rtcm_instance: 0
    rtcm_crc_failed: False
    rtcm_msg_used: 0

To Reproduce

see above

Expected behavior

not extra input needed

Screenshot / Media

No response

Flight Log

Software Version

main with nuttx that has ed4814f6239097dde5eecf2b4fbd58661db84dda

Flight controller

all H7 with TX DMA

Vehicle type

None

How are the different components wired up (including port information)

No response

Additional context

No response

About this issue

Original URL
State: closed
Created 7 months ago
Comments: 24 (23 by maintainers)

Most upvoted comments

@beniaminopozzan The serial DMA issue was fixed with https://github.com/PX4/PX4-Autopilot/pull/22667. Please test current master. If this is still and issue please reopen this or post a new issues with what you are seeing.

davids5 on Jan 24, 2024

Can someone point me to a commit where things are still sane?

Edit: looks like main is ok again?

julianoes on Nov 16, 2023