diff --git a/bsp/renesas/libraries/HAL_Drivers/config/ra2l1/adc_config.h b/bsp/renesas/libraries/HAL_Drivers/config/ra2l1/adc_config.h index 4575d4dff1..b6dab3ca6a 100644 --- a/bsp/renesas/libraries/HAL_Drivers/config/ra2l1/adc_config.h +++ b/bsp/renesas/libraries/HAL_Drivers/config/ra2l1/adc_config.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2021, RT-Thread Development Team + * Copyright (c) 2006-2024, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * @@ -19,18 +19,19 @@ extern "C" { #endif #if defined(BSP_USING_ADC0) || defined(BSP_USING_ADC1) -struct ra_adc_map + +struct rt_adc_dev { - char name; - const adc_cfg_t *g_cfg; - const adc_instance_ctrl_t *g_ctrl; - const adc_channel_cfg_t *g_channel_cfg; + struct rt_adc_ops ops; + struct rt_adc_device adc_device; }; -struct ra_dev +struct ra_adc_map { - rt_adc_device_t ra_adc_device_t; - struct ra_adc_map *ra_adc_dev; + const char *device_name; + const adc_cfg_t *g_cfg; + const adc_ctrl_t *g_ctrl; + const adc_channel_cfg_t *g_channel_cfg; }; #endif #endif diff --git a/bsp/renesas/libraries/HAL_Drivers/config/ra4m2/adc_config.h b/bsp/renesas/libraries/HAL_Drivers/config/ra4m2/adc_config.h index 4575d4dff1..b6dab3ca6a 100644 --- a/bsp/renesas/libraries/HAL_Drivers/config/ra4m2/adc_config.h +++ b/bsp/renesas/libraries/HAL_Drivers/config/ra4m2/adc_config.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2021, RT-Thread Development Team + * Copyright (c) 2006-2024, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * @@ -19,18 +19,19 @@ extern "C" { #endif #if defined(BSP_USING_ADC0) || defined(BSP_USING_ADC1) -struct ra_adc_map + +struct rt_adc_dev { - char name; - const adc_cfg_t *g_cfg; - const adc_instance_ctrl_t *g_ctrl; - const adc_channel_cfg_t *g_channel_cfg; + struct rt_adc_ops ops; + struct rt_adc_device adc_device; }; -struct ra_dev +struct ra_adc_map { - rt_adc_device_t ra_adc_device_t; - struct ra_adc_map *ra_adc_dev; + const char *device_name; + const adc_cfg_t *g_cfg; + const adc_ctrl_t *g_ctrl; + const adc_channel_cfg_t *g_channel_cfg; }; #endif #endif diff --git a/bsp/renesas/libraries/HAL_Drivers/config/ra6m3/adc_config.h b/bsp/renesas/libraries/HAL_Drivers/config/ra6m3/adc_config.h index d0856ae9db..b6dab3ca6a 100644 --- a/bsp/renesas/libraries/HAL_Drivers/config/ra6m3/adc_config.h +++ b/bsp/renesas/libraries/HAL_Drivers/config/ra6m3/adc_config.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2023, RT-Thread Development Team + * Copyright (c) 2006-2024, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * @@ -19,18 +19,19 @@ extern "C" { #endif #if defined(BSP_USING_ADC0) || defined(BSP_USING_ADC1) -struct ra_adc_map + +struct rt_adc_dev { - char name; - const adc_cfg_t *g_cfg; - const adc_instance_ctrl_t *g_ctrl; - const adc_channel_cfg_t *g_channel_cfg; + struct rt_adc_ops ops; + struct rt_adc_device adc_device; }; -struct ra_dev +struct ra_adc_map { - rt_adc_device_t ra_adc_device_t; - struct ra_adc_map *ra_adc_dev; + const char *device_name; + const adc_cfg_t *g_cfg; + const adc_ctrl_t *g_ctrl; + const adc_channel_cfg_t *g_channel_cfg; }; #endif #endif diff --git a/bsp/renesas/libraries/HAL_Drivers/config/ra6m4/adc_config.h b/bsp/renesas/libraries/HAL_Drivers/config/ra6m4/adc_config.h index 4575d4dff1..b6dab3ca6a 100644 --- a/bsp/renesas/libraries/HAL_Drivers/config/ra6m4/adc_config.h +++ b/bsp/renesas/libraries/HAL_Drivers/config/ra6m4/adc_config.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2021, RT-Thread Development Team + * Copyright (c) 2006-2024, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * @@ -19,18 +19,19 @@ extern "C" { #endif #if defined(BSP_USING_ADC0) || defined(BSP_USING_ADC1) -struct ra_adc_map + +struct rt_adc_dev { - char name; - const adc_cfg_t *g_cfg; - const adc_instance_ctrl_t *g_ctrl; - const adc_channel_cfg_t *g_channel_cfg; + struct rt_adc_ops ops; + struct rt_adc_device adc_device; }; -struct ra_dev +struct ra_adc_map { - rt_adc_device_t ra_adc_device_t; - struct ra_adc_map *ra_adc_dev; + const char *device_name; + const adc_cfg_t *g_cfg; + const adc_ctrl_t *g_ctrl; + const adc_channel_cfg_t *g_channel_cfg; }; #endif #endif diff --git a/bsp/renesas/libraries/HAL_Drivers/config/ra6m5/adc_config.h b/bsp/renesas/libraries/HAL_Drivers/config/ra6m5/adc_config.h index 4575d4dff1..b6dab3ca6a 100644 --- a/bsp/renesas/libraries/HAL_Drivers/config/ra6m5/adc_config.h +++ b/bsp/renesas/libraries/HAL_Drivers/config/ra6m5/adc_config.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2021, RT-Thread Development Team + * Copyright (c) 2006-2024, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * @@ -19,18 +19,19 @@ extern "C" { #endif #if defined(BSP_USING_ADC0) || defined(BSP_USING_ADC1) -struct ra_adc_map + +struct rt_adc_dev { - char name; - const adc_cfg_t *g_cfg; - const adc_instance_ctrl_t *g_ctrl; - const adc_channel_cfg_t *g_channel_cfg; + struct rt_adc_ops ops; + struct rt_adc_device adc_device; }; -struct ra_dev +struct ra_adc_map { - rt_adc_device_t ra_adc_device_t; - struct ra_adc_map *ra_adc_dev; + const char *device_name; + const adc_cfg_t *g_cfg; + const adc_ctrl_t *g_ctrl; + const adc_channel_cfg_t *g_channel_cfg; }; #endif #endif diff --git a/bsp/renesas/libraries/HAL_Drivers/config/ra8/adc_config.h b/bsp/renesas/libraries/HAL_Drivers/config/ra8/adc_config.h index d0856ae9db..b6dab3ca6a 100644 --- a/bsp/renesas/libraries/HAL_Drivers/config/ra8/adc_config.h +++ b/bsp/renesas/libraries/HAL_Drivers/config/ra8/adc_config.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2023, RT-Thread Development Team + * Copyright (c) 2006-2024, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * @@ -19,18 +19,19 @@ extern "C" { #endif #if defined(BSP_USING_ADC0) || defined(BSP_USING_ADC1) -struct ra_adc_map + +struct rt_adc_dev { - char name; - const adc_cfg_t *g_cfg; - const adc_instance_ctrl_t *g_ctrl; - const adc_channel_cfg_t *g_channel_cfg; + struct rt_adc_ops ops; + struct rt_adc_device adc_device; }; -struct ra_dev +struct ra_adc_map { - rt_adc_device_t ra_adc_device_t; - struct ra_adc_map *ra_adc_dev; + const char *device_name; + const adc_cfg_t *g_cfg; + const adc_ctrl_t *g_ctrl; + const adc_channel_cfg_t *g_channel_cfg; }; #endif #endif diff --git a/bsp/renesas/libraries/HAL_Drivers/config/rzt/adc_config.h b/bsp/renesas/libraries/HAL_Drivers/config/rzt/adc_config.h index a2a674f6d0..b6dab3ca6a 100644 --- a/bsp/renesas/libraries/HAL_Drivers/config/rzt/adc_config.h +++ b/bsp/renesas/libraries/HAL_Drivers/config/rzt/adc_config.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2023, RT-Thread Development Team + * Copyright (c) 2006-2024, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * diff --git a/bsp/renesas/libraries/HAL_Drivers/drv_adc.c b/bsp/renesas/libraries/HAL_Drivers/drv_adc.c index ebe7eed9b8..c741a49f69 100644 --- a/bsp/renesas/libraries/HAL_Drivers/drv_adc.c +++ b/bsp/renesas/libraries/HAL_Drivers/drv_adc.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2021, RT-Thread Development Team + * Copyright (c) 2006-2024, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * @@ -11,7 +11,7 @@ #include "drv_config.h" #ifdef RT_USING_ADC -// #define DRV_DEBUG +#define DRV_DEBUG #define DBG_TAG "drv.adc" #ifdef DRV_DEBUG #define DBG_LVL DBG_LOG @@ -22,24 +22,25 @@ struct ra_adc_map ra_adc[] = { -#if defined(BSP_USING_ADC0) - {'0', &g_adc0_cfg, &g_adc0_ctrl, &g_adc0_channel_cfg}, +#ifdef BSP_USING_ADC0 + { + .device_name = "adc0", + .g_cfg = &g_adc0_cfg, + .g_ctrl = &g_adc0_ctrl, + .g_channel_cfg = &g_adc0_channel_cfg, + }, #endif - -#if defined(BSP_USING_ADC1) - {'1', &g_adc1_cfg, &g_adc1_ctrl, &g_adc1_channel_cfg}, +#ifdef BSP_USING_ADC1 + { + .device_name = "adc1", + .g_cfg = &g_adc1_cfg, + .g_ctrl = &g_adc1_ctrl, + .g_channel_cfg = &g_adc1_channel_cfg, + }, #endif }; -#if defined(BSP_USING_ADC0) -struct rt_adc_device adc0_device; -struct ra_dev _ra_adc0_device = {.ra_adc_device_t = &adc0_device, .ra_adc_dev = &ra_adc[0]}; -#endif - -#if defined(BSP_USING_ADC1) -struct rt_adc_device adc1_device; -struct ra_dev _ra_adc1_device = {.ra_adc_device_t = &adc1_device, .ra_adc_dev = &ra_adc[1]}; -#endif +static struct rt_adc_dev adc_obj[sizeof(ra_adc) / sizeof(ra_adc[0])] = {0}; static rt_err_t ra_adc_enabled(struct rt_adc_device *device, rt_int8_t channel, rt_bool_t enabled) { @@ -50,7 +51,7 @@ static rt_err_t ra_adc_enabled(struct rt_adc_device *device, rt_int8_t channel, { if (FSP_SUCCESS != R_ADC_ScanStart((adc_ctrl_t *)adc->g_ctrl)) { - LOG_E("start adc%c failed.", adc->name); + LOG_E("start %s failed.", adc->device_name); return -RT_ERROR; } } @@ -59,7 +60,7 @@ static rt_err_t ra_adc_enabled(struct rt_adc_device *device, rt_int8_t channel, /**< stop adc*/ if (FSP_SUCCESS != R_ADC_ScanStop((adc_ctrl_t *)adc->g_ctrl)) { - LOG_E("stop adc%c failed.", adc->name); + LOG_E("stop %s failed.", adc->device_name); return -RT_ERROR; } } @@ -69,10 +70,10 @@ static rt_err_t ra_adc_enabled(struct rt_adc_device *device, rt_int8_t channel, rt_err_t ra_adc_close(struct rt_adc_device *device) { RT_ASSERT(device != RT_NULL); - struct ra_adc_map *adc = (struct ra_adc_map *)(struct ra_adc_map *)device->parent.user_data; + struct ra_adc_map *adc = (struct ra_adc_map *)device->parent.user_data; if (FSP_SUCCESS != R_ADC_Close((adc_ctrl_t *)adc->g_ctrl)) { - LOG_E("close adc%c failed.", adc->name); + LOG_E("close %s failed.", adc->device_name); return -RT_ERROR; } return RT_EOK; @@ -98,35 +99,32 @@ static const struct rt_adc_ops ra_adc_ops = static int ra_adc_init(void) { -#if defined(BSP_USING_ADC0) - R_ADC_Open((adc_ctrl_t *)_ra_adc0_device.ra_adc_dev->g_ctrl, - (adc_cfg_t const * const)_ra_adc0_device.ra_adc_dev->g_cfg); + rt_err_t result = 0; + rt_size_t obj_num = sizeof(adc_obj) / sizeof(struct rt_adc_dev); - R_ADC_ScanCfg((adc_ctrl_t *)_ra_adc0_device.ra_adc_dev->g_ctrl, - (adc_cfg_t const * const)_ra_adc0_device.ra_adc_dev->g_channel_cfg); - - if (RT_EOK != rt_hw_adc_register(_ra_adc0_device.ra_adc_device_t, "adc0", &ra_adc_ops, (void *)_ra_adc0_device.ra_adc_dev)) + for (int i = 0; i < obj_num; i++) { - LOG_E("adc0 register failed"); - return -RT_ERROR; + /* init ADC object */ + result = R_ADC_Open((adc_ctrl_t *)ra_adc[i].g_ctrl, ra_adc[i].g_cfg); + + result = R_ADC_ScanCfg((adc_ctrl_t *)ra_adc[i].g_ctrl, ra_adc[i].g_channel_cfg); + + /* register ADC device */ + if(rt_hw_adc_register(&adc_obj[i].adc_device, + ra_adc[i].device_name, + &ra_adc_ops, + &ra_adc[i]) == RT_EOK) + { + LOG_D("%s init success", ra_adc[i].device_name); + } + else + { + LOG_E("%s register failed", ra_adc[i].device_name); + result = -RT_ERROR; + } + RT_ASSERT(result == RT_EOK); } -#endif - -#if defined(BSP_USING_ADC1) - R_ADC_Open((adc_ctrl_t *)_ra_adc1_device.ra_adc_dev->g_ctrl, - (adc_cfg_t const * const)_ra_adc1_device.ra_adc_dev->g_cfg); - - R_ADC_ScanCfg((adc_ctrl_t *)_ra_adc1_device.ra_adc_dev->g_ctrl, - (adc_cfg_t const * const)_ra_adc1_device.ra_adc_dev->g_channel_cfg); - - if (RT_EOK != rt_hw_adc_register(_ra_adc1_device.ra_adc_device_t, "adc1", &ra_adc_ops, (void *)_ra_adc1_device.ra_adc_dev)) - { - LOG_E("adc1 register failed"); - return -RT_ERROR; - } -#endif - return RT_EOK; } -INIT_BOARD_EXPORT(ra_adc_init); +INIT_DEVICE_EXPORT(ra_adc_init); #endif diff --git a/bsp/renesas/libraries/HAL_Drivers/drv_i2c.c b/bsp/renesas/libraries/HAL_Drivers/drv_i2c.c index 585f6d04ad..8a79b675dd 100644 --- a/bsp/renesas/libraries/HAL_Drivers/drv_i2c.c +++ b/bsp/renesas/libraries/HAL_Drivers/drv_i2c.c @@ -16,69 +16,91 @@ #ifdef BSP_USING_HW_I2C -#define DBG_TAG "drv.hwi2c" -#ifdef DRV_DEBUG - #define DBG_LVL DBG_LOG -#else - #define DBG_LVL DBG_INFO -#endif /* DRV_DEBUG */ -#include +#define DRV_DEBUG +#define LOG_TAG "drv.hwi2c" +#include #include -static struct rt_i2c_bus_device prv_ra_i2c; -static volatile i2c_master_event_t i2c_event = I2C_MASTER_EVENT_ABORTED; +#define RA_SCI_EVENT_ABORTED 1 +#define RA_SCI_EVENT_RX_COMPLETE 2 +#define RA_SCI_EVENT_TX_COMPLETE 4 +#define RA_SCI_EVENT_ERROR 8 +#define RA_SCI_EVENT_ALL 15 + +struct ra_i2c_handle +{ + struct rt_i2c_bus_device bus; + char bus_name[RT_NAME_MAX]; + const i2c_master_cfg_t *i2c_cfg; + void *i2c_ctrl; + struct rt_event event; +}; + +static struct ra_i2c_handle ra_i2cs[] = +{ +#ifdef BSP_USING_HW_I2C0 + {.bus_name = "i2c0", .i2c_cfg = &g_i2c_master0_cfg, .i2c_ctrl = &g_i2c_master0_ctrl,}, +#endif +#ifdef BSP_USING_HW_I2C1 + {.bus_name = "i2c1", .i2c_cfg = &g_i2c_master1_cfg, .i2c_ctrl = &g_i2c_master1_ctrl,}, +#endif +}; void i2c_master_callback(i2c_master_callback_args_t *p_args) { + rt_interrupt_enter(); if (NULL != p_args) { /* capture callback event for validating the i2c transfer event*/ - i2c_event = p_args->event; + struct ra_i2c_handle *obj = (struct ra_i2c_handle *)p_args->p_context; + uint32_t event = 0; + RT_ASSERT(obj != RT_NULL); + switch (p_args->event) + { + case I2C_MASTER_EVENT_ABORTED: + event |= RA_SCI_EVENT_ABORTED; + break; + case I2C_MASTER_EVENT_RX_COMPLETE: + event |= RA_SCI_EVENT_RX_COMPLETE; + break; + case I2C_MASTER_EVENT_TX_COMPLETE: + event |= RA_SCI_EVENT_TX_COMPLETE; + break; + } + rt_event_send(&obj->event, event); } + rt_interrupt_leave(); } -static fsp_err_t validate_i2c_event(void) +static rt_err_t validate_i2c_event(struct ra_i2c_handle *handle) { - uint16_t local_time_out = UINT16_MAX; - - /* resetting call back event capture variable */ - i2c_event = (i2c_master_event_t)0; - - do + rt_uint32_t event = 0; + if (RT_EOK != rt_event_recv(&handle->event, RA_SCI_EVENT_ALL, RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR, (int32_t)rt_tick_from_millisecond(100), &event)) { - /* This is to avoid infinite loop */ - --local_time_out; - - if(0 == local_time_out) - { - return FSP_ERR_TRANSFER_ABORTED; - } - - }while(i2c_event == 0); - - if(i2c_event != I2C_MASTER_EVENT_ABORTED) + return -RT_ETIMEOUT; + } + if ((event & (RA_SCI_EVENT_ABORTED | RA_SCI_EVENT_ERROR)) == 0) { - /* Make sure this is always Reset before return*/ - i2c_event = (i2c_master_event_t)0; - return FSP_SUCCESS; + return RT_EOK; } - /* Make sure this is always Reset before return */ - i2c_event = (i2c_master_event_t)0; - return FSP_ERR_TRANSFER_ABORTED; + return -RT_ERROR; } static rt_ssize_t ra_i2c_mst_xfer(struct rt_i2c_bus_device *bus, - struct rt_i2c_msg msgs[], - rt_uint32_t num) + struct rt_i2c_msg msgs[], + rt_uint32_t num) { rt_size_t i; struct rt_i2c_msg *msg = msgs; RT_ASSERT(bus != RT_NULL); - fsp_err_t err = FSP_SUCCESS; + fsp_err_t err = FSP_SUCCESS; bool restart = false; + struct ra_i2c_handle *ra_i2c = rt_container_of(bus, struct ra_i2c_handle, bus); + i2c_master_ctrl_t *master_ctrl = ra_i2c->i2c_ctrl; + for (i = 0; i < num; i++) { if (msg[i].flags & RT_I2C_NO_START) @@ -87,22 +109,19 @@ static rt_ssize_t ra_i2c_mst_xfer(struct rt_i2c_bus_device *bus, } if (msg[i].flags & RT_I2C_ADDR_10BIT) { - LOG_E("10Bit not support"); - break; + R_IIC_MASTER_SlaveAddressSet(master_ctrl, msg[i].addr, I2C_MASTER_ADDR_MODE_10BIT); } else { - g_i2c_master1_ctrl.slave = msg[i].addr; + R_IIC_MASTER_SlaveAddressSet(master_ctrl, msg[i].addr, I2C_MASTER_ADDR_MODE_7BIT); } if (msg[i].flags & RT_I2C_RD) { - err = R_IIC_MASTER_Read(&g_i2c_master1_ctrl, msg[i].buf, msg[i].len, restart); + err = R_IIC_MASTER_Read(master_ctrl, msg[i].buf, msg[i].len, restart); if (FSP_SUCCESS == err) { - err = validate_i2c_event(); - /* handle error */ - if(FSP_ERR_TRANSFER_ABORTED == err) + if (RT_EOK != validate_i2c_event(ra_i2c)) { LOG_E("POWER_CTL reg I2C read failed"); break; @@ -112,18 +131,16 @@ static rt_ssize_t ra_i2c_mst_xfer(struct rt_i2c_bus_device *bus, else { /* Write API returns itself is not successful */ - LOG_E("R_IIC_MASTER_Write API failed"); + LOG_E("R_I2C_MASTER_Write API failed"); break; } } else { - err = R_IIC_MASTER_Write(&g_i2c_master1_ctrl, msg[i].buf, msg[i].len, restart); + err = R_IIC_MASTER_Write(master_ctrl, msg[i].buf, msg[i].len, restart); if (FSP_SUCCESS == err) { - err = validate_i2c_event(); - /* handle error */ - if(FSP_ERR_TRANSFER_ABORTED == err) + if (RT_EOK != validate_i2c_event(ra_i2c)) { LOG_E("POWER_CTL reg I2C write failed"); break; @@ -133,12 +150,12 @@ static rt_ssize_t ra_i2c_mst_xfer(struct rt_i2c_bus_device *bus, else { /* Write API returns itself is not successful */ - LOG_E("R_IIC_MASTER_Write API failed"); + LOG_E("R_I2C_MASTER_Write API failed"); break; } } } - return i; + return (rt_ssize_t)i; } static const struct rt_i2c_bus_device_ops ra_i2c_ops = @@ -151,17 +168,32 @@ static const struct rt_i2c_bus_device_ops ra_i2c_ops = int ra_hw_i2c_init(void) { fsp_err_t err = FSP_SUCCESS; - prv_ra_i2c.ops = &ra_i2c_ops; - prv_ra_i2c.priv = 0; - /* opening IIC master module */ - err = R_IIC_MASTER_Open(&g_i2c_master1_ctrl, &g_i2c_master1_cfg); - /* handle error */ - if (FSP_SUCCESS != err) + for (rt_uint32_t i = 0; i < sizeof(ra_i2cs) / sizeof(ra_i2cs[0]); i++) { - LOG_E("R_IIC_MASTER_Open API failed"); - return err; + ra_i2cs[i].bus.ops = &ra_i2c_ops; + ra_i2cs[i].bus.priv = 0; + + if (RT_EOK != rt_event_init(&ra_i2cs[i].event, ra_i2cs[i].bus_name, RT_IPC_FLAG_FIFO)) + { + LOG_E("Init event failed"); + continue; + } + /* opening IIC master module */ + err = R_IIC_MASTER_Open(ra_i2cs[i].i2c_ctrl, ra_i2cs[i].i2c_cfg); + if (FSP_SUCCESS != err) + { + LOG_E("R_I2C_MASTER_Open API failed,%d", err); + continue; + } + err = R_IIC_MASTER_CallbackSet(ra_i2cs[i].i2c_ctrl, i2c_master_callback, &ra_i2cs[i], RT_NULL); + /* handle error */ + if (FSP_SUCCESS != err) + { + LOG_E("R_I2C_CallbackSet API failed,%d", err); + continue; + } + rt_i2c_bus_device_register(&ra_i2cs[i].bus, ra_i2cs[i].bus_name); } - rt_i2c_bus_device_register(&prv_ra_i2c, "i2c1"); return 0; }