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| author | Martin Braun <martin.braun@ettus.com> | 2020-04-07 12:35:05 -0700 |
|---|---|---|
| committer | Wade Fife <wade.fife@ettus.com> | 2020-04-09 08:44:40 -0500 |
| commit | c86bd938e7ff3debe1df09639e2479e02353ab17 (patch) | |
| tree | 734d53dceb947a899e60e0ceaf35810771416846 /host/lib/rfnoc/client_zero.cpp | |
| parent | 55e422535292c29de00b80f15b0a49ca3fb94f26 (diff) | |
| download | uhd-c86bd938e7ff3debe1df09639e2479e02353ab17.tar.gz uhd-c86bd938e7ff3debe1df09639e2479e02353ab17.tar.bz2 uhd-c86bd938e7ff3debe1df09639e2479e02353ab17.zip | |
lib: Properly do reset routines in client_zero
The current reset routines write a '1' twice for reset, instead of '0'
then '1' (resets get triggered on a rising edge).
Diffstat (limited to 'host/lib/rfnoc/client_zero.cpp')
| -rw-r--r-- | host/lib/rfnoc/client_zero.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/host/lib/rfnoc/client_zero.cpp b/host/lib/rfnoc/client_zero.cpp index 81ac5830d..ce39569ba 100644 --- a/host/lib/rfnoc/client_zero.cpp +++ b/host/lib/rfnoc/client_zero.cpp @@ -183,18 +183,22 @@ void client_zero::reset_ctrl(uint16_t portno) { _check_port_number(portno); // The flush and reset registers are the second write register + // A reset gets triggered on the rising edge + regs().poke32(_get_port_base_addr(portno) + FLUSH_RESET_ADDR, 0); regs().poke32(_get_port_base_addr(portno) + FLUSH_RESET_ADDR, (1 << 1) /* 1st bit */); + // We wait the requested time (see the RFNoC spec) before returning std::this_thread::sleep_for(100us); - regs().poke32(_get_port_base_addr(portno) + FLUSH_RESET_ADDR, (1 << 1)); } void client_zero::reset_chdr(uint16_t portno) { _check_port_number(portno); // The flush and reset registers are the second write register + // A reset gets triggered on the rising edge + regs().poke32(_get_port_base_addr(portno) + FLUSH_RESET_ADDR, 0); regs().poke32(_get_port_base_addr(portno) + FLUSH_RESET_ADDR, (1 << 2) /* 2nd bit */); + // We wait the requested time (see the RFNoC spec) before returning std::this_thread::sleep_for(1ms); - regs().poke32(_get_port_base_addr(portno) + FLUSH_RESET_ADDR, (1 << 2)); } client_zero::block_config_info client_zero::get_block_info(uint16_t portno) |