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board_detect.c
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board_detect.c
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#include "pico/stdlib.h"
#include "hardware/pio.h"
#include "hardware/gpio.h"
#include "hardware/adc.h"
#include "pins.h"
#include "ws2812.pio.h"
#include "misc.h"
#include "board_detect.h"
extern int ws_pio_offset;
enum board_type {
BOARD_WS = 0,
BOARD_XO,
BOARD_IB,
BOARD_PI,
BOARD_SQ
};
enum board_type cur_board = BOARD_WS;
bool detect_by_pull_up(int frc_pin, int det_pin)
{
bool result = false;
if (frc_pin >= 0)
gpio_init(frc_pin);
gpio_init(det_pin);
if (frc_pin >= 0)
gpio_set_dir(frc_pin, true);
gpio_pull_up(det_pin);
sleep_us(15);
result = !gpio_get(det_pin);
gpio_deinit(det_pin);
if (frc_pin >= 0)
gpio_deinit(frc_pin);
gpio_disable_pulls(det_pin);
return result;
}
bool test_xiao()
{
return detect_by_pull_up(1, 2);
}
bool test_itsy()
{
return detect_by_pull_up(3, 2);
}
bool test_pico()
{
return detect_by_pull_up(-1, 22);
}
bool test_ws()
{
return detect_by_pull_up(-1, 25);
}
bool test_sqc()
{
return detect_by_pull_up(-1, 17);
}
void detect_board()
{
gpio_pull_down(PIN_GLI_WS);
gpio_pull_down(PIN_GLI_PICO);
gpio_pull_down(PIN_GLI_XIAO);
gpio_pull_down(PIN_GLI_ITSY);
gpio_disable_input_output(PIN_RST);
if (test_ws()) {
cur_board = BOARD_WS;
} else if (test_xiao()) {
cur_board = BOARD_XO;
} else if (test_itsy()) {
cur_board = BOARD_IB;
} else if (test_pico()) {
cur_board = BOARD_PI;
} else if (test_sqc()) {
cur_board = BOARD_SQ;
} else {
cur_board = BOARD_WS;
}
}
int led_pin()
{
switch(cur_board){
case BOARD_XO:
return PIN_LED_XIAO;
case BOARD_PI:
return PIN_LED_PICO;
case BOARD_IB:
return PIN_LED_ITSY;
default:
return PIN_LED_WS;
};
}
int pwr_pin()
{
switch(cur_board){
case BOARD_XO:
return PIN_LED_PWR_XIAO;
case BOARD_IB:
return PIN_LED_PWR_ITSY;
default:
return 31;
};
}
int scl_pin()
{
switch(cur_board){
case BOARD_XO:
return PIN_SCL_XIAO;
case BOARD_IB:
return PIN_SCL_ITSY;
case BOARD_PI:
return PIN_SCL_PICO;
case BOARD_SQ:
return PIN_SCL_SQC;
default:
return PIN_SCL_WS;
};
}
int sda_pin()
{
switch(cur_board){
case BOARD_XO:
return PIN_SDA_XIAO;
case BOARD_IB:
return PIN_SDA_ITSY;
case BOARD_PI:
return PIN_SDA_PICO;
case BOARD_SQ:
return PIN_SDA_SQC;
default:
return PIN_SDA_WS;
};
}
int gli_pin()
{
switch(cur_board){
case BOARD_XO:
return PIN_GLI_XIAO;
case BOARD_IB:
return PIN_GLI_ITSY;
case BOARD_PI:
return PIN_GLI_PICO;
default:
return PIN_GLI_WS;
};
}
bool is_pico()
{
return cur_board == BOARD_PI;
}