mirror of
https://github.com/Keychron/qmk_firmware.git
synced 2024-12-29 04:39:26 +06:00
ac3dfa742a
* added matrix 8xv2.0 additional keyboard * Apply suggestions from code review Co-authored-by: James Young <18669334+noroadsleft@users.noreply.github.com> * add copyright and speed up the matrix scanning * Update keyboards/matrix/m20add/rules.mk Co-authored-by: Drashna Jaelre <drashna@live.com> Co-authored-by: James Young <18669334+noroadsleft@users.noreply.github.com> Co-authored-by: Drashna Jaelre <drashna@live.com>
81 lines
2.0 KiB
C
81 lines
2.0 KiB
C
/**
|
|
* 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
|
|
palSetPadMode(I2C1_SCL_BANK, I2C1_SCL, PAL_MODE_INPUT);
|
|
palSetPadMode(I2C1_SDA_BANK, I2C1_SDA, PAL_MODE_INPUT);
|
|
|
|
chThdSleepMilliseconds(10);
|
|
palSetPadMode(I2C1_SCL_BANK, I2C1_SCL, PAL_MODE_ALTERNATE(I2C1_SCL_PAL_MODE) | PAL_STM32_OTYPE_OPENDRAIN);
|
|
palSetPadMode(I2C1_SDA_BANK, I2C1_SDA, 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;
|
|
}
|