From 948237869fedb6319aa0090a31c17b8fa418b0cb Mon Sep 17 00:00:00 2001
From: NonPIayerCharacter
 <18557343+NonPIayerCharacter@users.noreply.github.com>
Date: Wed, 3 Sep 2025 12:45:24 +0300
Subject: [PATCH] LN882H IR (#1783)

---
 platforms/LN882H/CMakeLists.txt               |  3 ++
 src/driver/drv_ir_new.cpp                     | 50 +++++++++++++++++--
 src/hal/ln882h/hal_pins_ln882h.c              |  9 +++-
 src/libraries/IRremoteESP8266/src/IRtimer.cpp |  4 +-
 src/obk_config.h                              |  1 +
 5 files changed, 59 insertions(+), 8 deletions(-)

diff --git a/platforms/LN882H/CMakeLists.txt b/platforms/LN882H/CMakeLists.txt
index 13626d31b..626962a1b 100644
--- a/platforms/LN882H/CMakeLists.txt
+++ b/platforms/LN882H/CMakeLists.txt
@@ -14,6 +14,7 @@ include_directories(${BERRY_SRCPATH})
 include(app/libraries/berry.cmake)
 
 set(PROJ_ALL_SRC
+	${OBKM_SRC_CXX}
 	${OBKM_SRC}
 	${BERRY_SRC_C}
 	${OBK_SRCS}hal/ln882h/hal_adc_ln882h.c
@@ -68,3 +69,5 @@ target_include_directories(${pro_executable_target}
 )
 
 include(gcc/gcc-custom-build-stage.cmake)
+
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-undef -Wno-unused-parameter -Wno-pedantic -Wno-float-conversion")
diff --git a/src/driver/drv_ir_new.cpp b/src/driver/drv_ir_new.cpp
index d8edde3aa..9463bdec2 100644
--- a/src/driver/drv_ir_new.cpp
+++ b/src/driver/drv_ir_new.cpp
@@ -40,6 +40,17 @@ void pwmout_stop(pwmout_t* obj);
 #include "bl602_timer.h"
 #include "hosal_timer.h"
 #define UINT32 uint32_t
+#elif PLATFORM_LN882H
+#define __HAL_COMMON_H__
+typedef enum
+{
+	HAL_DISABLE = 0u,
+	HAL_ENABLE = 1u
+} hal_en_t;
+#include "hal/hal_timer.h"
+#include "hal/hal_clock.h"
+#define delay_ms OS_MsDelay
+#define UINT32 uint32_t
 #endif
 
 // why can;t I call this?
@@ -148,16 +159,24 @@ extern void IR_ISR();
 #if PLATFORM_BEKEN
 static UINT32 ir_chan = BKTIMER0;
 static UINT32 ir_div = 1;
-static UINT32 ir_periodus = 50;
 #elif PLATFORM_REALTEK
 static gtimer_t ir_timer;
 static UINT32 ir_chan = TIMER2;
-static UINT32 ir_periodus = 50;
 #elif PLATFORM_BL602
 static hosal_timer_dev_t ir_timer;
 static UINT32 ir_chan = TIMER_CH0;
-static UINT32 ir_periodus = 50;
+#elif PLATFORM_LN882H
+static UINT32 ir_chan = TIMER0_BASE;
+extern "C" void TIMER0_IRQHandler()
+{
+	if(hal_tim_get_it_flag(TIMER0_BASE, TIM_IT_FLAG_ACTIVE))
+	{
+		hal_tim_clr_it_flag(TIMER0_BASE, TIM_IT_FLAG_ACTIVE);
+		DRV_IR_ISR(NULL);
+	}
+}
 #endif
+static UINT32 ir_periodus = 50;
 
 void timerConfigForReceive() {
 	// nothing here`
@@ -211,6 +230,23 @@ void _timerConfigForReceive() {
 	ir_timer.config.cb = DRV_IR_ISR;
 	ir_timer.config.arg = NULL;
 	hosal_timer_init(&ir_timer);
+#elif PLATFORM_LN882H
+	tim_init_t_def tim_init;
+	memset(&tim_init, 0, sizeof(tim_init));
+	tim_init.tim_mode = TIM_USER_DEF_CNT_MODE;
+	if(ir_periodus < 1000)
+	{
+		tim_init.tim_div = 0;
+		tim_init.tim_load_value = ir_periodus * (uint32_t)(hal_clock_get_apb0_clk() / 1000000) - 1;
+	}
+	else
+	{
+		tim_init.tim_div = (uint32_t)(hal_clock_get_apb0_clk() / 1000000) - 1;
+		tim_init.tim_load_value = ir_periodus - 1;
+	}
+	hal_tim_init(ir_chan, &tim_init);
+	NVIC_SetPriority(TIMER0_IRQn, 4);
+	NVIC_EnableIRQ(TIMER0_IRQn);
 #endif
 }
 
@@ -226,6 +262,9 @@ static void _timer_enable() {
 	gtimer_start_periodical(&ir_timer, ir_periodus, (void*)&DRV_IR_ISR, (uint32_t)&ir_timer);
 #elif PLATFORM_BL602
 	hosal_timer_start(&ir_timer);
+#elif PLATFORM_LN882H
+	hal_tim_en(ir_chan, HAL_ENABLE);
+	hal_tim_it_cfg(ir_chan, TIM_IT_FLAG_ACTIVE, HAL_ENABLE);
 #endif
 	ADDLOG_INFO(LOG_FEATURE_IR, (char *)"ir timer enabled %u", res);
 }
@@ -238,6 +277,9 @@ static void _timer_disable() {
 #elif PLATFORM_BL602
 	hosal_timer_stop(&ir_timer);
 	hosal_timer_finalize(&ir_timer);
+#elif PLATFORM_LN882H
+	hal_tim_en(ir_chan, HAL_DISABLE);
+	hal_tim_it_cfg(ir_chan, TIM_IT_FLAG_ACTIVE, HAL_DISABLE);
 #endif
 	ADDLOG_INFO(LOG_FEATURE_IR, (char *)"ir timer disabled %u", res);
 }
@@ -838,7 +880,7 @@ extern "C" void DRV_IR_Init() {
 			CMD_RegisterCommand("IRParam",IR_Param, NULL);
 		}
 	}
-	if ((pin > 0) || (txpin > 0)) {
+	if ((pin >= 0) || (txpin >= 0)) {
 		// both tx and rx need the interrupt
 		_timerConfigForReceive();
 		delay_ms(10);
diff --git a/src/hal/ln882h/hal_pins_ln882h.c b/src/hal/ln882h/hal_pins_ln882h.c
index 0ae9a3fcc..7fa07070c 100644
--- a/src/hal/ln882h/hal_pins_ln882h.c
+++ b/src/hal/ln882h/hal_pins_ln882h.c
@@ -215,13 +215,18 @@ void HAL_PIN_PWM_Start(int index, int freq)
 {
 	if(index >= g_numPins)
 		return;
+	lnPinMapping_t* pin = g_pins + index;
+	if(pin->pwm_cha > 0)
+	{
+		pwm_init(freq, pin->pwm_cha, pin->base, pin->pin);
+		return;
+	}
 	uint8_t freecha;
 	for(freecha = 0; freecha < 5; freecha++) if((g_active_pwm >> freecha & 1) == 0) break;
-	lnPinMapping_t* pin = g_pins + index;
 	g_active_pwm |= 1 << freecha;
 	pin->pwm_cha = freecha;
 	ADDLOG_DEBUG(LOG_FEATURE_CMD, "PWM_Start: ch_pwm: %u", freecha);
-	pwm_init(10000, freecha, pin->base, pin->pin);
+	pwm_init(freq, freecha, pin->base, pin->pin);
 	pwm_start(freecha);
 }
 
diff --git a/src/libraries/IRremoteESP8266/src/IRtimer.cpp b/src/libraries/IRremoteESP8266/src/IRtimer.cpp
index 9794f9eeb..7d1c1b8cd 100644
--- a/src/libraries/IRremoteESP8266/src/IRtimer.cpp
+++ b/src/libraries/IRremoteESP8266/src/IRtimer.cpp
@@ -6,12 +6,12 @@
 #endif
 
 
-#if PLATFORM_BEKEN || PLATFORM_REALTEK || PLATFORM_BL602
+//#if PLATFORM_BEKEN || PLATFORM_REALTEK || PLATFORM_BL602 || PLATFORM_LN882H
 //TODO
 extern unsigned long micros(void);
 extern unsigned long millis(void);
 
-#endif
+//#endif
 
 
 #ifdef UNIT_TEST
diff --git a/src/obk_config.h b/src/obk_config.h
index 5e0bfbc2f..071d27fc9 100644
--- a/src/obk_config.h
+++ b/src/obk_config.h
@@ -366,6 +366,7 @@
 #define ENABLE_OBK_BERRY						1
 #define ENABLE_DRIVER_SM16703P					1
 #define ENABLE_DRIVER_PIXELANIM					1
+#define ENABLE_DRIVER_IRREMOTEESP				1
 
 #elif PLATFORM_ESPIDF