You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
130 lines
3.2 KiB
130 lines
3.2 KiB
//
|
|
// Created by MightyPork on 2017/12/15.
|
|
//
|
|
|
|
#include "sched_queue.h"
|
|
|
|
#include "framework/settings.h"
|
|
#include "framework/resources.h"
|
|
#include "framework/system_settings.h"
|
|
#include "hw_utils.h"
|
|
#include "lock_jumper.h"
|
|
#include "status_led.h"
|
|
|
|
static bool LockJumper_ReadPin(void);
|
|
|
|
static GPIO_TypeDef *lock_periph;
|
|
static uint32_t lock_llpin;
|
|
|
|
static bool old_state = false;
|
|
static uint32_t debo_ticks = 0;
|
|
|
|
// We use macros LOCK_JUMPER_PORT, LOCK_JUMPER_PIN from plat_compat.h
|
|
|
|
/** Init the jumper subsystem */
|
|
void LockJumper_Init(void)
|
|
{
|
|
bool suc = true;
|
|
|
|
// Resolve and claim resource
|
|
Resource rsc = hw_pin2resource(LOCK_JUMPER_PORT, LOCK_JUMPER_PIN, &suc);
|
|
assert_param(suc);
|
|
|
|
assert_param(E_SUCCESS == rsc_claim(&UNIT_SYSTEM, rsc));
|
|
|
|
// Resolve pin
|
|
lock_periph = hw_port2periph(LOCK_JUMPER_PORT, &suc);
|
|
lock_llpin = hw_pin2ll(LOCK_JUMPER_PIN, &suc);
|
|
assert_param(suc);
|
|
|
|
// Configure for input
|
|
LL_GPIO_SetPinMode(lock_periph, lock_llpin, LL_GPIO_MODE_INPUT);
|
|
|
|
// pull-up/down in the opposite direction of the active state
|
|
#if PLAT_LOCK_1CLOSED
|
|
LL_GPIO_SetPinPull(lock_periph, lock_llpin, LL_GPIO_PULL_DOWN);
|
|
#else
|
|
LL_GPIO_SetPinPull(lock_periph, lock_llpin, LL_GPIO_PULL_UP);
|
|
#endif
|
|
|
|
SystemSettings.editable = (bool) LL_GPIO_IsInputPinSet(lock_periph, lock_llpin);
|
|
dbg("Settings editable? %d", SystemSettings.editable);
|
|
}
|
|
|
|
|
|
/** Handle jumper state change */
|
|
static void jumper_changed(void)
|
|
{
|
|
if (SystemSettings.editable) {
|
|
// Unlock
|
|
dbg("LOCK removed, enabling MSC!");
|
|
Indicator_Effect(STATUS_DISK_ATTACHED);
|
|
} else {
|
|
// Lock
|
|
dbg("LOCK replaced, disabling MSC!");
|
|
Indicator_Effect(STATUS_DISK_REMOVED);
|
|
|
|
if (SystemSettings.modified) {
|
|
dbg("Saving settings to Flash...");
|
|
settings_save();
|
|
} else {
|
|
dbg("No changes to save.");
|
|
}
|
|
}
|
|
|
|
plat_usb_reconnect();
|
|
}
|
|
|
|
|
|
/** Periodic jumper check */
|
|
void LockJumper_Check(void)
|
|
{
|
|
bool state = LockJumper_ReadPin();
|
|
if (state != old_state) {
|
|
old_state = state;
|
|
debo_ticks = 3;
|
|
}
|
|
|
|
if (debo_ticks > 0) {
|
|
if (--debo_ticks == 0) {
|
|
dbg("Debo finished, state %d", (int)state);
|
|
// we've reached a change
|
|
#if PLAT_LOCK_BTN
|
|
if (state == true) {
|
|
SystemSettings.editable = !SystemSettings.editable;
|
|
jumper_changed();
|
|
}
|
|
#else
|
|
SystemSettings.editable = state;
|
|
jumper_changed();
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Read the jumper / button state.
|
|
*
|
|
* @return true if the jumper is closed, or button pressed
|
|
*/
|
|
static bool LockJumper_ReadPin(void)
|
|
{
|
|
// lock jumper - start with MSC on if removed
|
|
#if PLAT_LOCK_1CLOSED
|
|
return (bool) LL_GPIO_IsInputPinSet(lock_periph, lock_llpin);
|
|
#else
|
|
return ! ((bool) LL_GPIO_IsInputPinSet(lock_periph, lock_llpin));
|
|
#endif
|
|
}
|
|
|
|
|
|
void LockJumper_CheckInitialState(void)
|
|
{
|
|
#if PLAT_LOCK_BTN
|
|
// no static read - starts with MSC off
|
|
SystemSettings.editable = false;
|
|
old_state = false;
|
|
#else
|
|
old_state = SystemSettings.editable = ! LockJumper_ReadPin();
|
|
#endif
|
|
}
|
|
|