static int ni_m_series_set_first_gate(struct ni_gpct *counter, lsampl_t gate_source) { const unsigned selected_gate = CR_CHAN(gate_source); /* bits of selected_gate that may be meaningful to input select register */ const unsigned selected_gate_mask = 0x1f; unsigned ni_m_series_gate_select; unsigned i; switch (selected_gate) { case NI_GPCT_TIMESTAMP_MUX_GATE_SELECT: case NI_GPCT_AI_START2_GATE_SELECT: case NI_GPCT_PXI_STAR_TRIGGER_GATE_SELECT: case NI_GPCT_NEXT_OUT_GATE_SELECT: case NI_GPCT_AI_START1_GATE_SELECT: case NI_GPCT_NEXT_SOURCE_GATE_SELECT: case NI_GPCT_ANALOG_TRIGGER_OUT_GATE_SELECT: case NI_GPCT_LOGIC_LOW_GATE_SELECT: ni_m_series_gate_select = selected_gate & selected_gate_mask; break; default: for (i = 0; i <= ni_m_series_max_rtsi_channel; ++i) { if (selected_gate == NI_GPCT_RTSI_GATE_SELECT(i)) { ni_m_series_gate_select = selected_gate & selected_gate_mask; break; } } if (i <= ni_m_series_max_rtsi_channel) break; for (i = 0; i <= ni_m_series_max_pfi_channel; ++i) { if (selected_gate == NI_GPCT_PFI_GATE_SELECT(i)) { ni_m_series_gate_select = selected_gate & selected_gate_mask; break; } } if (i <= ni_m_series_max_pfi_channel) break; return -EINVAL; break; } ni_tio_set_bits(counter, NITIO_Gi_Input_Select_Reg(counter->counter_index), Gi_Gate_Select_Mask, Gi_Gate_Select_Bits(ni_m_series_gate_select)); return 0; }
static int ni_660x_set_first_gate(struct ni_gpct *counter, unsigned int gate_source) { const unsigned selected_gate = CR_CHAN(gate_source); /* bits of selected_gate that may be meaningful to input select register */ const unsigned selected_gate_mask = 0x1f; unsigned ni_660x_gate_select; unsigned i; switch (selected_gate) { case NI_GPCT_NEXT_SOURCE_GATE_SELECT: ni_660x_gate_select = NI_660x_Next_SRC_Gate_Select; break; case NI_GPCT_NEXT_OUT_GATE_SELECT: case NI_GPCT_LOGIC_LOW_GATE_SELECT: case NI_GPCT_SOURCE_PIN_i_GATE_SELECT: case NI_GPCT_GATE_PIN_i_GATE_SELECT: ni_660x_gate_select = selected_gate & selected_gate_mask; break; default: for (i = 0; i <= ni_660x_max_rtsi_channel; ++i) { if (selected_gate == NI_GPCT_RTSI_GATE_SELECT(i)) { ni_660x_gate_select = selected_gate & selected_gate_mask; break; } } if (i <= ni_660x_max_rtsi_channel) break; for (i = 0; i <= ni_660x_max_gate_pin; ++i) { if (selected_gate == NI_GPCT_GATE_PIN_GATE_SELECT(i)) { ni_660x_gate_select = selected_gate & selected_gate_mask; break; } } if (i <= ni_660x_max_gate_pin) break; return -EINVAL; break; } ni_tio_set_bits(counter, NITIO_Gi_Input_Select_Reg(counter->counter_index), Gi_Gate_Select_Mask, Gi_Gate_Select_Bits(ni_660x_gate_select)); return 0; }