rt-thread-official/bsp/synwit/swm341-mini/applications/main.c

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/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
*/
#include <rtthread.h>
#include <rtdevice.h>
#include "board.h"
#define LED_PIN GET_PIN(B,0)
int main(void)
{
int count = 1;
rt_pin_mode(LED_PIN, PIN_MODE_OUTPUT);
while (count++)
{
rt_pin_write(LED_PIN, PIN_HIGH);
rt_thread_mdelay(500);
rt_pin_write(LED_PIN, PIN_LOW);
rt_thread_mdelay(500);
}
return RT_EOK;
}
#ifdef BSP_USING_GPIO
#define KEY1_PIN GET_PIN(A,8)
void key1_cb(void *args)
{
rt_kprintf("key1 irq!\n");
}
static int pin_sample(int argc, char *argv[])
{
rt_pin_mode(KEY1_PIN, PIN_IRQ_MODE_FALLING);
rt_pin_attach_irq(KEY1_PIN, PIN_IRQ_MODE_FALLING, key1_cb, RT_NULL);
rt_pin_irq_enable(KEY1_PIN, PIN_IRQ_ENABLE);
return RT_EOK;
}
MSH_CMD_EXPORT(pin_sample, pin sample);
#endif
#ifdef BSP_USING_ADC
#define ADC_DEV_NAME "adc0"
#define ADC_DEV_CHANNEL 0
#define REFER_VOLTAGE 330
#define CONVERT_BITS (1 << 12)
static int adc_vol_sample(int argc, char *argv[])
{
rt_adc_device_t adc_dev;
rt_uint32_t value, vol;
rt_err_t ret = RT_EOK;
adc_dev = (rt_adc_device_t)rt_device_find(ADC_DEV_NAME);
if (adc_dev == RT_NULL)
{
rt_kprintf("adc sample run failed! can't find %s device!\n", ADC_DEV_NAME);
return -RT_ERROR;
}
ret = rt_adc_enable(adc_dev, ADC_DEV_CHANNEL);
value = rt_adc_read(adc_dev, ADC_DEV_CHANNEL);
rt_kprintf("the value is :%d,", value);
vol = value * REFER_VOLTAGE / CONVERT_BITS;
rt_kprintf("the voltage is :%d.%02d \n", vol / 100, vol % 100);
ret = rt_adc_disable(adc_dev, ADC_DEV_CHANNEL);
return ret;
}
MSH_CMD_EXPORT(adc_vol_sample, adc voltage convert sample);
#endif
#ifdef BSP_USING_DAC
#include <stdlib.h>
#define DAC_DEV_NAME "dac" /* DAC 设备名称 */
#define DAC_DEV_CHANNEL 0 /* DAC 通道 */
#define REFER_VOLTAGE 330 /* 参考电压 3.3V,数据精度乘以100保留2位小数*/
#define CONVERT_BITS (1 << 12) /* 转换位数为12位 */
static int dac_vol_sample(int argc, char *argv[])
{
rt_dac_device_t dac_dev;
rt_uint32_t value, vol;
rt_err_t ret = RT_EOK;
/* 查找设备 */
dac_dev = (rt_dac_device_t)rt_device_find(DAC_DEV_NAME);
if (dac_dev == RT_NULL)
{
rt_kprintf("dac sample run failed! can't find %s device!\n", DAC_DEV_NAME);
return -RT_ERROR;
}
/* 打开通道 */
ret = rt_dac_enable(dac_dev, DAC_DEV_CHANNEL);
/* 设置输出值 */
value = atoi(argv[1]);
rt_dac_write(dac_dev, DAC_DEV_CHANNEL, value);
rt_kprintf("the value is :%d \n", value);
/* 转换为对应电压值 */
vol = value * REFER_VOLTAGE / CONVERT_BITS;
rt_kprintf("the voltage is :%d.%02d \n", vol / 100, vol % 100);
rt_thread_mdelay(500);
/* 关闭通道 */
ret = rt_dac_disable(dac_dev, DAC_DEV_CHANNEL);
return ret;
}
/* 导出到 msh 命令列表中 */
MSH_CMD_EXPORT(dac_vol_sample, dac voltage convert sample);
#endif
#ifdef BSP_USING_CAN
#define CAN_DEV_NAME "can0" /* CAN 设备名称 */
static struct rt_semaphore rx_sem; /* 用于接收消息的信号量 */
static rt_device_t can_dev; /* CAN 设备句柄 */
/* 接收数据回调函数 */
static rt_err_t can_rx_call(rt_device_t dev, rt_size_t size)
{
/* CAN 接收到数据后产生中断,调用此回调函数,然后发送接收信号量 */
rt_sem_release(&rx_sem);
return RT_EOK;
}
static void can_rx_thread(void *parameter)
{
int i;
rt_err_t res;
struct rt_can_msg rxmsg = {0};
/* 设置接收回调函数 */
rt_device_set_rx_indicate(can_dev, can_rx_call);
#ifdef RT_CAN_USING_HDR
struct rt_can_filter_item items[5] =
{
RT_CAN_FILTER_ITEM_INIT(0x100, 0, 0, 0, 0x700, RT_NULL, RT_NULL), /* std,match ID:0x100~0x1ffhdr 为 - 1设置默认过滤表 */
RT_CAN_FILTER_ITEM_INIT(0x300, 0, 0, 0, 0x700, RT_NULL, RT_NULL), /* std,match ID:0x300~0x3ffhdr 为 - 1 */
RT_CAN_FILTER_ITEM_INIT(0x211, 0, 0, 0, 0x7ff, RT_NULL, RT_NULL), /* std,match ID:0x211hdr 为 - 1 */
RT_CAN_FILTER_STD_INIT(0x486, RT_NULL, RT_NULL), /* std,match ID:0x486hdr 为 - 1 */
{0x555, 0, 0, 0, 0x7ff, 7,} /* std,match ID:0x555hdr 为 7指定设置 7 号过滤表 */
};
struct rt_can_filter_config cfg = {5, 1, items}; /* 一共有 5 个过滤表 */
/* 设置硬件过滤表 */
res = rt_device_control(can_dev, RT_CAN_CMD_SET_FILTER, &cfg);
RT_ASSERT(res == RT_EOK);
#endif
while (1)
{
/* hdr 值为 - 1表示直接从 uselist 链表读取数据 */
v .hdr = -1;
/* 阻塞等待接收信号量 */
rt_sem_take(&rx_sem, RT_WAITING_FOREVER);
/* 从 CAN 读取一帧数据 */
rt_device_read(can_dev, 0, &rxmsg, sizeof(rxmsg));
/* 打印数据 ID 及内容 */
rt_kprintf("ID:%x", rxmsg.id);
for (i = 0; i < 8; i++)
{
rt_kprintf("%2x", rxmsg.data[i]);
}
rt_kprintf("\n");
}
}
int can_sample(int argc, char *argv[])
{
struct rt_can_msg msg = {0};
rt_err_t res;
rt_size_t size;
rt_thread_t thread;
char can_name[RT_NAME_MAX];
if (argc == 2)
{
rt_strncpy(can_name, argv[1], RT_NAME_MAX);
}
else
{
rt_strncpy(can_name, CAN_DEV_NAME, RT_NAME_MAX);
}
/* 查找 CAN 设备 */
can_dev = rt_device_find(can_name);
if (!can_dev)
{
rt_kprintf("find %s failed!\n", can_name);
return -RT_ERROR;
}
/* 初始化 CAN 接收信号量 */
rt_sem_init(&rx_sem, "rx_sem", 0, RT_IPC_FLAG_FIFO);
/* 以中断接收及发送方式打开 CAN 设备 */
res = rt_device_open(can_dev, RT_DEVICE_FLAG_INT_TX | RT_DEVICE_FLAG_INT_RX);
RT_ASSERT(res == RT_EOK);
/* 创建数据接收线程 */
thread = rt_thread_create("can_rx", can_rx_thread, RT_NULL, 1024, 25, 10);
if (thread != RT_NULL)
{
rt_thread_startup(thread);
}
else
{
rt_kprintf("create can_rx thread failed!\n");
}
msg.id = 0x78; /* ID 为 0x78 */
msg.ide = RT_CAN_STDID; /* 标准格式 */
msg.rtr = RT_CAN_DTR; /* 数据帧 */
msg.len = 8; /* 数据长度为 8 */
/* 待发送的 8 字节数据 */
msg.data[0] = 0x00;
msg.data[1] = 0x11;
msg.data[2] = 0x22;
msg.data[3] = 0x33;
msg.data[4] = 0x44;
msg.data[5] = 0x55;
msg.data[6] = 0x66;
msg.data[7] = 0x77;
/* 发送一帧 CAN 数据 */
size = rt_device_write(can_dev, 0, &msg, sizeof(msg));
if (size == 0)
{
rt_kprintf("can dev write data failed!\n");
}
return res;
}
/* 导出到 msh 命令列表中 */
MSH_CMD_EXPORT(can_sample, can device sample);
#endif
#ifdef BSP_USING_TIM
#define HWTIMER_DEV_NAME "timer0"
static rt_err_t timeout_cb(rt_device_t dev, rt_size_t size)
{
rt_kprintf("this is hwtimer timeout callback fucntion!\n");
rt_kprintf("tick is :%d !\n", rt_tick_get());
return 0;
}
static int hwtimer_sample(int argc, char *argv[])
{
rt_err_t ret = RT_EOK;
rt_hwtimerval_t timeout_s;
rt_device_t hw_dev = RT_NULL;
rt_hwtimer_mode_t mode;
hw_dev = rt_device_find(HWTIMER_DEV_NAME);
if (hw_dev == RT_NULL)
{
rt_kprintf("hwtimer sample run failed! can't find %s device!\n", HWTIMER_DEV_NAME);
return -RT_ERROR;
}
ret = rt_device_open(hw_dev, RT_DEVICE_OFLAG_RDWR);
if (ret != RT_EOK)
{
rt_kprintf("open %s device failed!\n", HWTIMER_DEV_NAME);
return ret;
}
rt_device_set_rx_indicate(hw_dev, timeout_cb);
mode = HWTIMER_MODE_PERIOD;
//mode = HWTIMER_MODE_ONESHOT;
ret = rt_device_control(hw_dev, HWTIMER_CTRL_MODE_SET, &mode);
if (ret != RT_EOK)
{
rt_kprintf("set mode failed! ret is :%d\n", ret);
return ret;
}
timeout_s.sec = 2;
timeout_s.usec = 0;
if (rt_device_write(hw_dev, 0, &timeout_s, sizeof(timeout_s)) != sizeof(timeout_s))
{
rt_kprintf("set timeout value failed\n");
return -RT_ERROR;
}
rt_thread_mdelay(3500);
rt_device_read(hw_dev, 0, &timeout_s, sizeof(timeout_s));
rt_kprintf("Read: Sec = %d, Usec = %d\n", timeout_s.sec, timeout_s.usec);
return ret;
}
MSH_CMD_EXPORT(hwtimer_sample, hwtimer sample);
#endif
#ifdef BSP_USING_PWM
#define PWM_DEV_NAME "pwm0" /* PWM设备名称 */
#define PWM_DEV_CHANNEL 0 /* PWM通道 */
struct rt_device_pwm *pwm_dev; /* PWM设备句柄 */
static int pwm_sample(int argc, char *argv[])
{
rt_uint32_t period, pulse;
period = 500000; /* 周期为0.5ms单位为纳秒ns */
pulse = 100000; /* PWM脉冲宽度值单位为纳秒ns */
pwm_dev = (struct rt_device_pwm *)rt_device_find(PWM_DEV_NAME);
if (pwm_dev == RT_NULL)
{
rt_kprintf("pwm sample run failed! can't find %s device!\n", PWM_DEV_NAME);
return -RT_ERROR;
}
rt_pwm_set(pwm_dev, PWM_DEV_CHANNEL, period, pulse);
rt_pwm_enable(pwm_dev, PWM_DEV_CHANNEL);
return RT_EOK;
}
MSH_CMD_EXPORT(pwm_sample, pwm sample);
#endif
#ifdef BSP_USING_RTC
#include "sys/time.h"
static int rtc_sample(int argc, char *argv[])
{
rt_err_t ret = RT_EOK;
time_t now;
ret = set_date(2000, 2, 28);
if (ret != RT_EOK)
{
rt_kprintf("set RTC date failed\n");
return ret;
}
ret = set_time(23, 59, 55);
if (ret != RT_EOK)
{
rt_kprintf("set RTC time failed\n");
return ret;
}
rt_thread_mdelay(3000);
now = time(RT_NULL);
rt_kprintf("%s\n", ctime(&now));
return ret;
}
MSH_CMD_EXPORT(rtc_sample, rtc sample);
#endif
#ifdef RT_USING_WDT
#define WDT_DEVICE_NAME "wdt"
static rt_device_t wdg_dev;
static void idle_hook(void)
{
rt_device_control(wdg_dev, RT_DEVICE_CTRL_WDT_KEEPALIVE, RT_NULL);
rt_kprintf("feed the dog!\n ");
}
static int wdt_sample(int argc, char *argv[])
{
rt_err_t ret = RT_EOK;
rt_uint32_t timeout = 5;
char device_name[RT_NAME_MAX];
if (argc == 2)
{
rt_strncpy(device_name, argv[1], RT_NAME_MAX);
}
else
{
rt_strncpy(device_name, WDT_DEVICE_NAME, RT_NAME_MAX);
}
wdg_dev = rt_device_find(device_name);
if (!wdg_dev)
{
rt_kprintf("find %s failed!\n", device_name);
return -RT_ERROR;
}
ret = rt_device_init(wdg_dev);
if (ret != RT_EOK)
{
rt_kprintf("initialize %s failed!\n", device_name);
return -RT_ERROR;
}
ret = rt_device_control(wdg_dev, RT_DEVICE_CTRL_WDT_SET_TIMEOUT, &timeout);
if (ret != RT_EOK)
{
rt_kprintf("set %s timeout failed!\n", device_name);
return -RT_ERROR;
}
ret = rt_device_control(wdg_dev, RT_DEVICE_CTRL_WDT_START, RT_NULL);
if (ret != RT_EOK)
{
rt_kprintf("start %s failed!\n", device_name);
return -RT_ERROR;
}
// rt_thread_idle_sethook(idle_hook);
return ret;
}
MSH_CMD_EXPORT(wdt_sample, wdt sample);
#endif
#ifdef BSP_USING_SPI
#define W25Q_SPI_DEVICE_NAME "spi00"
#define W25Q_FLASH_NAME "norflash0"
#include "drv_spi.h"
#ifdef RT_USING_SFUD
#include "spi_flash_sfud.h"
static int rt_hw_spi_flash_init(void)
{
rt_hw_spi_device_attach("spi0", "spi00", GPIOM, PIN3);
if (RT_NULL == rt_sfud_flash_probe(W25Q_FLASH_NAME, W25Q_SPI_DEVICE_NAME))
{
return -RT_ERROR;
};
return RT_EOK;
}
/* 导出到自动初始化 */
INIT_COMPONENT_EXPORT(rt_hw_spi_flash_init);
static void spi_w25q_sample(int argc, char *argv[])
{
struct rt_spi_device *spi_dev_w25q;
char name[RT_NAME_MAX];
rt_uint8_t w25x_read_id = 0x90;
rt_uint8_t id[5] = {0};
if (argc == 2)
{
rt_strncpy(name, argv[1], RT_NAME_MAX);
}
else
{
rt_strncpy(name, W25Q_SPI_DEVICE_NAME, RT_NAME_MAX);
}
/* 查找 spi 设备获取设备句柄 */
spi_dev_w25q = (struct rt_spi_device *)rt_device_find(name);
if (!spi_dev_w25q)
{
rt_kprintf("spi sample run failed! can't find %s device!\n", name);
}
else
{
/* 方式1使用 rt_spi_send_then_recv()发送命令读取ID */
rt_spi_send_then_recv(spi_dev_w25q, &w25x_read_id, 1, id, 5);
rt_kprintf("use rt_spi_send_then_recv() read w25q ID is:%x%x\n", id[3], id[4]);
/* 方式2使用 rt_spi_transfer_message()发送命令读取ID */
struct rt_spi_message msg1, msg2;
msg1.send_buf = &w25x_read_id;
msg1.recv_buf = RT_NULL;
msg1.length = 1;
msg1.cs_take = 1;
msg1.cs_release = 0;
msg1.next = &msg2;
msg2.send_buf = RT_NULL;
msg2.recv_buf = id;
msg2.length = 5;
msg2.cs_take = 0;
msg2.cs_release = 1;
msg2.next = RT_NULL;
rt_spi_transfer_message(spi_dev_w25q, &msg1);
rt_kprintf("use rt_spi_transfer_message() read w25q ID is:%x%x\n", id[3], id[4]);
}
}
/* 导出到 msh 命令列表中 */
MSH_CMD_EXPORT(spi_w25q_sample, spi w25q sample);
#ifdef RT_USING_DFS_ELMFAT
#include <dfs_file.h>
#include <unistd.h>
static void elmfat_sample(void)
{
int fd, size;
struct statfs elm_stat;
char str[] = "elmfat mount to W25Q flash.\r\n", buf[80];
if (dfs_mkfs("elm", W25Q_FLASH_NAME) == 0)
rt_kprintf("make elmfat filesystem success.\n");
if (dfs_mount(W25Q_FLASH_NAME, "/", "elm", 0, 0) == 0)
rt_kprintf("elmfat filesystem mount success.\n");
if (statfs("/", &elm_stat) == 0)
rt_kprintf("elmfat filesystem block size: %d, total blocks: %d, free blocks: %d.\n",
elm_stat.f_bsize, elm_stat.f_blocks, elm_stat.f_bfree);
if (mkdir("/user", 0x777) == 0)
rt_kprintf("make a directory: '/user'.\n");
rt_kprintf("Write string '%s' to /user/test.txt.\n", str);
fd = open("/user/test.txt", O_WRONLY | O_CREAT);
if (fd >= 0)
{
if (write(fd, str, sizeof(str)) == sizeof(str))
rt_kprintf("Write data done.\n");
close(fd);
}
fd = open("/user/test.txt", O_RDONLY);
if (fd >= 0)
{
size = read(fd, buf, sizeof(buf));
close(fd);
if (size == sizeof(str))
rt_kprintf("Read data from file test.txt(size: %d): %s \n", size, buf);
}
}
MSH_CMD_EXPORT(elmfat_sample, elmfat sample);
#endif
#endif
#endif
#ifdef BSP_USING_SPI
#ifdef RT_USING_SPI_MSD
#define SD_SPI_DEVICE_NAME "spi00"
#define SDCARD_NAME "sd0"
#include "drv_spi.h"
#include "spi_msd.h"
#include <dfs_file.h>
#include <unistd.h>
static int rt_hw_spi0_tfcard(void)
{
rt_hw_spi_device_attach("spi0", SD_SPI_DEVICE_NAME, GPION, PIN1);
return msd_init(SDCARD_NAME, SD_SPI_DEVICE_NAME);
}
INIT_DEVICE_EXPORT(rt_hw_spi0_tfcard);
static void elmfat_sample(void)
{
int fd, size;
struct statfs elm_stat;
char str[] = "elmfat mount to sdcard.\r\n", buf[80];
if (dfs_mkfs("elm", SDCARD_NAME) == 0)
rt_kprintf("make elmfat filesystem success.\n");
if (dfs_mount(SDCARD_NAME, "/", "elm", 0, 0) == 0)
rt_kprintf("elmfat filesystem mount success.\n");
if (statfs("/", &elm_stat) == 0)
rt_kprintf("elmfat filesystem block size: %d, total blocks: %d, free blocks: %d.\n",
elm_stat.f_bsize, elm_stat.f_blocks, elm_stat.f_bfree);
if (mkdir("/user", 0x777) == 0)
rt_kprintf("make a directory: '/user'.\n");
rt_kprintf("Write string '%s' to /user/test.txt.\n", str);
fd = open("/user/test.txt", O_WRONLY | O_CREAT);
if (fd >= 0)
{
if (write(fd, str, sizeof(str)) == sizeof(str))
rt_kprintf("Write data done.\n");
close(fd);
}
fd = open("/user/test.txt", O_RDONLY);
if (fd >= 0)
{
size = read(fd, buf, sizeof(buf));
close(fd);
if (size == sizeof(str))
rt_kprintf("Read data from file test.txt(size: %d): %s \n", size, buf);
}
}
MSH_CMD_EXPORT(elmfat_sample, elmfat sample);
#endif
#endif
#ifdef BSP_USING_SDIO
#define SDCARD_NAME "sd0"
#include <dfs_file.h>
#include <unistd.h>
static void elmfat_sample(void)
{
int fd, size;
struct statfs elm_stat;
char str[] = "elmfat mount to sdcard.\n", buf[80];
if (dfs_mkfs("elm", SDCARD_NAME) == 0)
rt_kprintf("make elmfat filesystem success.\n");
if (dfs_mount(SDCARD_NAME, "/", "elm", 0, 0) == 0)
rt_kprintf("elmfat filesystem mount success.\n");
if (statfs("/", &elm_stat) == 0)
rt_kprintf("elmfat filesystem block size: %d, total blocks: %d, free blocks: %d.\n",
elm_stat.f_bsize, elm_stat.f_blocks, elm_stat.f_bfree);
if (mkdir("/user", 0x777) == 0)
rt_kprintf("make a directory: '/user'.\n");
rt_kprintf("Write string '%s' to /user/test.txt.\n", str);
fd = open("/user/test.txt", O_WRONLY | O_CREAT);
if (fd >= 0)
{
if (write(fd, str, sizeof(str)) == sizeof(str))
rt_kprintf("Write data done.\n");
close(fd);
}
fd = open("/user/test.txt", O_RDONLY);
if (fd >= 0)
{
size = read(fd, buf, sizeof(buf));
close(fd);
if (size == sizeof(str))
rt_kprintf("Read data from file test.txt(size: %d): %s \n", size, buf);
}
}
MSH_CMD_EXPORT(elmfat_sample, elmfat sample);
#endif
#ifdef RT_USING_HWCRYPTO
static void crypto_sample(void)
{
#ifdef BSP_USING_CRC
rt_uint8_t temp[] = {0, 1, 2, 3, 4, 5, 6, 7};
struct rt_hwcrypto_ctx *ctx;
rt_uint32_t result = 0;
struct hwcrypto_crc_cfg cfg =
{
.last_val = 0x00000000,
.poly = 0x04C11DB7,
.width = 8,
.xorout = 0x00000000, //不支持XOR
.flags = 0,
};
ctx = rt_hwcrypto_crc_create(rt_hwcrypto_dev_default(), HWCRYPTO_CRC_CRC32);
rt_hwcrypto_crc_cfg(ctx, &cfg);
result = rt_hwcrypto_crc_update(ctx, temp, sizeof(temp));
rt_kprintf("result: 0x%08x \n", result);
rt_hwcrypto_crc_destroy(ctx);
#endif /* BSP_USING_CRC */
#ifdef BSP_USING_RNG
rt_uint32_t rng_result = 0;
int i;
for (i = 0; i < 20; i++)
{
rng_result = rt_hwcrypto_rng_update();
rt_kprintf("rng:0x%08x.\n", rng_result);
}
#endif /* BSP_USING_RNG */
}
MSH_CMD_EXPORT(crypto_sample, crypto sample);
#endif
#ifdef BSP_USING_SDRAM
#include <rtthread.h>
#define THREAD_PRIORITY 25
#define THREAD_STACK_SIZE 512
#define THREAD_TIMESLICE 5
/* 线程入口 */
void thread1_entry(void *parameter)
{
int i;
char *ptr = RT_NULL; /* 内存块的指针 */
for (i = 0;; i++)
{
/* 每次分配 (1 << i) 大小字节数的内存空间 */
ptr = rt_malloc(1 << i);
/* 如果分配成功 */
if (ptr != RT_NULL)
{
rt_kprintf("get memory :%d byte\n", (1 << i));
/* 释放内存块 */
rt_free(ptr);
rt_kprintf("free memory :%d byte\n", (1 << i));
ptr = RT_NULL;
}
else
{
rt_kprintf("try to get %d byte memory failed!\n", (1 << i));
return;
}
}
}
int dynmem_sample(void)
{
rt_thread_t tid = RT_NULL;
/* 创建线程 1 */
tid = rt_thread_create("thread1",
thread1_entry, RT_NULL,
THREAD_STACK_SIZE,
THREAD_PRIORITY,
THREAD_TIMESLICE);
if (tid != RT_NULL)
rt_thread_startup(tid);
return 0;
}
/* 导出到 msh 命令列表中 */
MSH_CMD_EXPORT(dynmem_sample, dynmem sample);
#endif
#ifdef RT_USING_TOUCH
#include "gt9147.h"
#define THREAD_PRIORITY 25
#define THREAD_STACK_SIZE 512
#define THREAD_TIMESLICE 5
int rt_hw_gt9147_port(void)
{
struct rt_touch_config config;
rt_uint8_t rst;
rst = GT9147_RST_PIN;
config.dev_name = "i2c0";
config.irq_pin.pin = GT9147_IRQ_PIN;
config.irq_pin.mode = PIN_MODE_INPUT_PULLDOWN;
config.user_data = &rst;
rt_hw_gt9147_init("gt9147", &config);
return 0;
}
INIT_ENV_EXPORT(rt_hw_gt9147_port);
static rt_thread_t gt9147_thread = RT_NULL;
static rt_sem_t gt9147_sem = RT_NULL;
static rt_device_t dev = RT_NULL;
static struct rt_touch_data *read_data;
/* 读取数据线程入口函数 */
static void gt9147_entry(void *parameter)
{
struct rt_touch_data *read_data;
read_data = (struct rt_touch_data *)rt_malloc(sizeof(struct rt_touch_data) * 5);
while (1)
{
/* 请求信号量 */
rt_sem_take(gt9147_sem, RT_WAITING_FOREVER);
/* 读取五个点的触摸信息 */
if (rt_device_read(dev, 0, read_data, 5) == 5)
{
for (rt_uint8_t i = 0; i < 5; i++)
{
if (read_data[i].event == RT_TOUCH_EVENT_DOWN || read_data[i].event == RT_TOUCH_EVENT_MOVE)
{
rt_kprintf("%d %d %d %d %d\n",
read_data[i].track_id,
read_data[i].x_coordinate,
read_data[i].y_coordinate,
read_data[i].timestamp,
read_data[i].width);
}
}
}
/* 打开中断 */
rt_device_control(dev, RT_TOUCH_CTRL_ENABLE_INT, RT_NULL);
}
}
/* 接收回调函数 */
static rt_err_t rx_callback(rt_device_t dev, rt_size_t size)
{
/* 关闭中断 */
rt_device_control(dev, RT_TOUCH_CTRL_DISABLE_INT, RT_NULL);
/* 释放信号量 */
rt_sem_release(gt9147_sem);
return 0;
}
static int gt9147_sample(void)
{
/* 查找 Touch 设备 */
dev = rt_device_find("gt9147");
if (dev == RT_NULL)
{
rt_kprintf("can't find device:%s\n", "touch");
return -1;
}
/* 以中断的方式打开设备 */
if (rt_device_open(dev, RT_DEVICE_FLAG_INT_RX) != RT_EOK)
{
rt_kprintf("open device failed!");
return -1;
}
/* 设置接收回调 */
rt_device_set_rx_indicate(dev, rx_callback);
/* 创建信号量 */
gt9147_sem = rt_sem_create("dsem", 0, RT_IPC_FLAG_PRIO);
if (gt9147_sem == RT_NULL)
{
rt_kprintf("create dynamic semaphore failed.\n");
return -1;
}
/* 创建读取数据线程 */
gt9147_thread = rt_thread_create("thread1",
gt9147_entry,
RT_NULL,
THREAD_STACK_SIZE,
THREAD_PRIORITY,
THREAD_TIMESLICE);
/* 启动线程 */
if (gt9147_thread != RT_NULL)
rt_thread_startup(gt9147_thread);
return 0;
}
MSH_CMD_EXPORT(gt9147_sample, gt9147 sample);
#endif