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/**
* m20add.c
*/
#include "m20add.h"
#include "tca6424.h"
#include "rgb_ring.h"
#include "i2c_master.h"
void set_pin(uint16_t pin)
{
uint8_t data = tca6424_read_port(GET_PORT(pin));
data |= ( 1 << GET_PIN(pin));
tca6424_write_port(GET_PORT(pin), data);
}
void clear_pin(uint16_t pin)
{
uint8_t data = tca6424_read_port(GET_PORT(pin));
data &= ~( 1 << GET_PIN(pin));
tca6424_write_port(GET_PORT(pin), data);
}
uint8_t read_pin(uint16_t pin)
{
uint8_t data = tca6424_read_port(GET_PORT(pin));
return (data & (1<<GET_PIN(pin))) ? 1 : 0;
}
void matrix_init_kb(void) {
#ifdef RGBLIGHT_ENABLE
rgb_ring_init();
#endif
matrix_init_user();
}
void matrix_scan_kb(void) {
#ifdef RGBLIGHT_ENABLE
rgb_ring_task();
#endif
matrix_scan_user();
}
static uint16_t caps_lock_pin = DEF_PIN(TCA6424_PORT2, 3);
static uint16_t scroll_lock_pin = DEF_PIN(TCA6424_PORT0, 1);
bool led_update_kb(led_t led_state) {
bool res = led_update_user(led_state);
if (res) {
led_state.caps_lock ? set_pin(caps_lock_pin) : clear_pin(caps_lock_pin);
led_state.scroll_lock ? set_pin(scroll_lock_pin) : clear_pin(scroll_lock_pin);
}
return res;
}
// override the default implementation to avoid re-initialization
void i2c_init(void)
{
static bool initialized = false;
if (initialized) {
return;
} else {
initialized = true;
}
// Try releasing special pins for a short time
palSetLineMode(I2C1_SCL_PIN, PAL_MODE_INPUT);
palSetLineMode(I2C1_SDA_PIN, PAL_MODE_INPUT);
chThdSleepMilliseconds(10);
palSetLineMode(I2C1_SCL_PIN, PAL_MODE_ALTERNATE(I2C1_SCL_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
palSetLineMode(I2C1_SDA_PIN, PAL_MODE_ALTERNATE(I2C1_SDA_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
}
#define REBOOT_MAGIC 0x41544B42
void shutdown_user(void)
{
// set the magic number for resetting to the bootloader
*(uint32_t *)(&(RTCD1.rtc->BKP0R)) = REBOOT_MAGIC;
}
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