//Calls gpio_port_init() four times to initialize the pins of port TC that each LED is connected to.
void uc_led_init()
{
gpio_port_init(gpio_port_tc, uc_led_1, gpio_funct_gpio, gpio_data_dir_out, gpio_pin_state_low);
gpio_port_init(gpio_port_tc, uc_led_2, gpio_funct_gpio, gpio_data_dir_out, gpio_pin_state_low);
gpio_port_init(gpio_port_tc, uc_led_3, gpio_funct_gpio, gpio_data_dir_out, gpio_pin_state_low);
gpio_port_init(gpio_port_tc, uc_led_4, gpio_funct_gpio, gpio_data_dir_out, gpio_pin_state_low);
}
//Calls gpio_port_init() to initialize port DD so we can use sub-switches 1, 2, 3, and 4.
void uc_dipsw_init()
{
gpio_port_init(gpio_port_dd,uc_dipsw_1,gpio_funct_gpio,gpio_data_dir_in,gpio_pin_state_x);
gpio_port_init(gpio_port_dd,uc_dipsw_2,gpio_funct_gpio,gpio_data_dir_in,gpio_pin_state_x);
gpio_port_init(gpio_port_dd,uc_dipsw_3,gpio_funct_gpio,gpio_data_dir_in,gpio_pin_state_x);
gpio_port_init(gpio_port_dd,uc_dipsw_4,gpio_funct_gpio,gpio_data_dir_in,gpio_pin_state_x);
//gpio_port_init(p_port, p_pin, p_funct, p_data_dir, p_state);
}
/*
* configures switch for polling
*/
void uc_sw_init(switch_t p_switch)
{
if(p_switch == switch_1)
{
//setup GPIO for relevant pin
gpio_port_init(port_C, pin_3, alt_1, input);
//enable pullup res
PORTC_PCR3 |= 1 << 1;
}
if(p_switch == switch_3)
{
gpio_port_init(port_C, pin_12, alt_1, input);
PORTC_PCR12 |= 1 << 1;
}
}
/*
* Initializes LED GPIOs.
*/
void CAR_LED_init()
{
//CS/RCLK
gpio_port_init(port_E, pin_19, alt_1, output);
gpio_set_pin_state(port_E, pin_19, 1);
//output enable
gpio_port_init(port_B, pin_3, alt_1, output);
gpio_set_pin_state(port_B, pin_3, 0);
//clear and reset
gpio_port_init(port_B, pin_2, alt_1, output);
gpio_set_pin_state(port_B, pin_2, 0);
gpio_set_pin_state(port_B, pin_2, 1);
CAR_LED_set_color(car_led_0, car_led_off);
CAR_LED_set_color(car_led_1, car_led_off);
CAR_LED_set_color(car_led_2, car_led_off);
CAR_LED_set_color(car_led_3, car_led_off);
CAR_LED_update();
}
/*
* configures switch as interrupt
*/
void uc_sw_init_int(switch_t p_switch, callback_t p_callback)
{
if(p_switch == switch_1)
{
//setup GPIO for relevant pin
gpio_port_init(port_C, pin_3, alt_1, input);
//enable pullup res
PORTC_PCR3 |= 1 << 1;
gpio_enable_interrupt(port_C, pin_3, trig_int_negedge, p_callback);
}
if(p_switch == switch_3)
{
gpio_port_init(port_C, pin_12, alt_1, input);
PORTC_PCR12 |= 1 << 1;
gpio_enable_interrupt(port_C, pin_12, trig_int_negedge, p_callback);
}
}
void uc_pushb_init(int_isr p_pb1_callback, int_isr p_pb2_callback)
{
g_pb1_callback = p_pb1_callback;
g_pb2_callback = p_pb2_callback;
//void gpio_port_init(int p_port, int p_pin, int p_funct, int p_data_dir, int p_state)
gpio_port_init(gpio_port_ta, uc_pb_1, gpio_funct_primary, gpio_data_dir_in, gpio_pin_state_high);
gpio_port_init(gpio_port_ta, uc_pb_2, gpio_funct_primary, gpio_data_dir_in, gpio_pin_state_high);
//Call gpt_disable()
gpt_disable();
//Call gpt_incap_config() to configure pin 0 for input capture on the falling edge
gpt_incap_config(gpt_pin_0,gpt_incap_edge_rising);
//Call gpt_incap_config() to configure pin 1 for input capture on the falling edge
gpt_incap_config(gpt_pin_1,gpt_incap_edge_rising);
//Call int_configure(gpt0_int_src, gpt0_int_level, gpt0_int_priority, uc_pushb1_isr)
int_config(gpt0_int_src, gpt0_int_level, gpt0_int_priority, uc_pushb1_isr);
//Call int_configure(gpt1_int_src, gpt1_int_level, gpt1_int_priority, uc_pushb2_isr)
int_config(gpt1_int_src, gpt1_int_level, gpt1_int_priority, uc_pushb2_isr);
//Call gpt_enable() to enable the GPT module
gpt_enable();
}