5.8.1.1.3 Workflow

Creates a CCL configuration struct, which can be filled out to adjust the configuration of CCL.

struct ccl_config conf;

Settings and fill the CCL configuration struct with the default settings.

ccl_get_config_defaults(&conf);

Initializes CCL module.

ccl_init(&conf);

Creates a LUT configuration struct, which can be filled out to adjust the configuration of LUT0.

struct ccl_lut_config conf;

1. Fill the LUT0 configuration struct with the default settings.

   ccl_lut_get_config_defaults(&conf);
   

Adjust the LUT0 configuration struct.

conf.truth_table_value = 0x02;
conf.input0_src_sel = CCL_LUT_INPUT_SRC_IO;
conf.input1_src_sel = CCL_LUT_INPUT_SRC_IO;
conf.input2_src_sel = CCL_LUT_INPUT_SRC_IO;
conf.filter_sel = CCL_LUTCTRL_FILTSEL_FILTER;

Set up LUT0 input and output pin.

struct system_pinmux_config lut0_input_pin0_conf, lut0_input_pin1_conf, lut0_input_pin2_conf;
system_pinmux_get_config_defaults(&lut0_input_pin0_conf);
system_pinmux_get_config_defaults(&lut0_input_pin1_conf);
system_pinmux_get_config_defaults(&lut0_input_pin2_conf);
lut0_input_pin0_conf.direction    = SYSTEM_PINMUX_PIN_DIR_INPUT;
lut0_input_pin0_conf.mux_position = CCL_LUT0_IN0_MUX;
lut0_input_pin1_conf.direction    = SYSTEM_PINMUX_PIN_DIR_INPUT;
lut0_input_pin1_conf.mux_position = CCL_LUT0_IN1_MUX;
lut0_input_pin2_conf.direction    = SYSTEM_PINMUX_PIN_DIR_INPUT;
lut0_input_pin2_conf.mux_position = CCL_LUT0_IN2_MUX;
system_pinmux_pin_set_config(CCL_LUT0_IN0_PIN, &lut0_input_pin0_conf);
system_pinmux_pin_set_config(CCL_LUT0_IN1_PIN, &lut0_input_pin1_conf);
system_pinmux_pin_set_config(CCL_LUT0_IN2_PIN, &lut0_input_pin2_conf);
struct system_pinmux_config lut0_out_pin_conf;
system_pinmux_get_config_defaults(&lut0_out_pin_conf);
lut0_out_pin_conf.direction    = SYSTEM_PINMUX_PIN_DIR_OUTPUT;
lut0_out_pin_conf.mux_position = CCL_LUT0_OUT_MUX;
system_pinmux_pin_set_config(CCL_LUT0_OUT_PIN, &lut0_out_pin_conf);

Writes LUT0 configuration to the hardware module.

ccl_lut_set_config(CCL_LUT_0, &conf);

Creates a LUT configuration struct, which can be filled out to adjust the configuration of LUT1.

struct ccl_lut_config conf;

1. Fill the LUT1 configuration struct with the default settings.

   ccl_lut_get_config_defaults(&conf);
   

Adjust the LUT1 configuration struct.

conf.truth_table_value = 0x02;
conf.input0_src_sel = CCL_LUT_INPUT_SRC_IO;
conf.input1_src_sel = CCL_LUT_INPUT_SRC_IO;
conf.input2_src_sel = CCL_LUT_INPUT_SRC_IO;
conf.filter_sel = CCL_LUTCTRL_FILTSEL_FILTER;

Set up LUT1 input and output pin.

struct system_pinmux_config lut1_input_pin0_conf, lut1_input_pin1_conf, lut1_input_pin2_conf;
system_pinmux_get_config_defaults(&lut1_input_pin0_conf);
system_pinmux_get_config_defaults(&lut1_input_pin1_conf);
system_pinmux_get_config_defaults(&lut1_input_pin2_conf);
lut1_input_pin0_conf.direction    = SYSTEM_PINMUX_PIN_DIR_INPUT;
lut1_input_pin0_conf.mux_position = CCL_LUT1_IN0_MUX;
lut1_input_pin1_conf.direction    = SYSTEM_PINMUX_PIN_DIR_INPUT;
lut1_input_pin1_conf.mux_position = CCL_LUT1_IN1_MUX;
lut1_input_pin2_conf.direction    = SYSTEM_PINMUX_PIN_DIR_INPUT;
lut1_input_pin2_conf.mux_position = CCL_LUT1_IN2_MUX;
system_pinmux_pin_set_config(CCL_LUT1_IN0_PIN, &lut1_input_pin0_conf);
system_pinmux_pin_set_config(CCL_LUT1_IN1_PIN, &lut1_input_pin1_conf);
system_pinmux_pin_set_config(CCL_LUT1_IN2_MUX, &lut1_input_pin2_conf);
struct system_pinmux_config lut1_out_pin_conf;
system_pinmux_get_config_defaults(&lut1_out_pin_conf);
lut1_out_pin_conf.direction    = SYSTEM_PINMUX_PIN_DIR_OUTPUT;
lut1_out_pin_conf.mux_position = CCL_LUT1_OUT_MUX;
system_pinmux_pin_set_config(CCL_LUT1_OUT_PIN, &lut1_out_pin_conf);

Writes LUT1 configuration to the hardware module.

ccl_lut_set_config(CCL_LUT_1, &conf);

Configure the sequential logic with the D flip flop mode.

ccl_seq_config(CCL_SEQ_0, CCL_SEQ_D_FLIP_FLOP);