617 lines
14 KiB
C
617 lines
14 KiB
C
|
/*
|
||
|
* Copyright (c) 2006-2021, RT-Thread Development Team
|
||
|
*
|
||
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
*
|
||
|
* Change Logs:
|
||
|
* Date Author Notes
|
||
|
* 2023-01-31 shelton first version
|
||
|
*/
|
||
|
|
||
|
#include <rtthread.h>
|
||
|
#include <rtdevice.h>
|
||
|
#include "drv_common.h"
|
||
|
#include "drv_gpio.h"
|
||
|
|
||
|
/* defined the led2 pin: pc2 */
|
||
|
#define LED2_PIN GET_PIN(C, 2)
|
||
|
/* defined the led3 pin: pc3 */
|
||
|
#define LED3_PIN GET_PIN(C, 3)
|
||
|
/* defined the led4 pin: pc5 */
|
||
|
#define LED4_PIN GET_PIN(C, 5)
|
||
|
|
||
|
int main(void)
|
||
|
{
|
||
|
rt_uint32_t speed = 200;
|
||
|
/* set led2 pin mode to output */
|
||
|
rt_pin_mode(LED2_PIN, PIN_MODE_OUTPUT);
|
||
|
/* set led3 pin mode to output */
|
||
|
rt_pin_mode(LED3_PIN, PIN_MODE_OUTPUT);
|
||
|
/* set led4 pin mode to output */
|
||
|
rt_pin_mode(LED4_PIN, PIN_MODE_OUTPUT);
|
||
|
|
||
|
while (1)
|
||
|
{
|
||
|
rt_pin_write(LED2_PIN, PIN_LOW);
|
||
|
rt_thread_mdelay(speed);
|
||
|
rt_pin_write(LED3_PIN, PIN_LOW);
|
||
|
rt_thread_mdelay(speed);
|
||
|
rt_pin_write(LED4_PIN, PIN_LOW);
|
||
|
rt_thread_mdelay(speed);
|
||
|
rt_pin_write(LED2_PIN, PIN_HIGH);
|
||
|
rt_thread_mdelay(speed);
|
||
|
rt_pin_write(LED3_PIN, PIN_HIGH);
|
||
|
rt_thread_mdelay(speed);
|
||
|
rt_pin_write(LED4_PIN, PIN_HIGH);
|
||
|
rt_thread_mdelay(speed);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
#define SAMPLE_UART_NAME "uart2"
|
||
|
|
||
|
static struct rt_semaphore rx_sem;
|
||
|
static rt_device_t serial;
|
||
|
|
||
|
static rt_err_t uart_input(rt_device_t dev, rt_size_t size)
|
||
|
{
|
||
|
rt_sem_release(&rx_sem);
|
||
|
|
||
|
return RT_EOK;
|
||
|
}
|
||
|
|
||
|
static void serial_thread_entry(void *parameter)
|
||
|
{
|
||
|
rt_uint32_t len = 0;
|
||
|
char ch[20];
|
||
|
|
||
|
while (1)
|
||
|
{
|
||
|
while ((len = rt_device_read(serial, 0, ch, 50)) <= 0)
|
||
|
{
|
||
|
rt_sem_take(&rx_sem, RT_WAITING_FOREVER);
|
||
|
}
|
||
|
|
||
|
rt_device_write(serial, 0, ch, len);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
static int uart_sample(int argc, char *argv[])
|
||
|
{
|
||
|
rt_err_t ret = RT_EOK;
|
||
|
char uart_name[RT_NAME_MAX];
|
||
|
|
||
|
if (argc == 2)
|
||
|
{
|
||
|
rt_strncpy(uart_name, argv[1], RT_NAME_MAX);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
rt_strncpy(uart_name, SAMPLE_UART_NAME, RT_NAME_MAX);
|
||
|
}
|
||
|
|
||
|
serial = rt_device_find(uart_name);
|
||
|
if (!serial)
|
||
|
{
|
||
|
rt_kprintf("find %s failed!\n", uart_name);
|
||
|
return RT_ERROR;
|
||
|
}
|
||
|
|
||
|
rt_sem_init(&rx_sem, "rx_sem", 0, RT_IPC_FLAG_FIFO);
|
||
|
|
||
|
rt_device_open(serial, RT_DEVICE_FLAG_DMA_RX);
|
||
|
|
||
|
rt_device_set_rx_indicate(serial, uart_input);
|
||
|
|
||
|
rt_thread_t thread = rt_thread_create("serial", serial_thread_entry, RT_NULL, 1024, 25, 10);
|
||
|
|
||
|
if (thread != RT_NULL)
|
||
|
{
|
||
|
rt_thread_startup(thread);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
ret = RT_ERROR;
|
||
|
}
|
||
|
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
MSH_CMD_EXPORT(uart_sample, uart device sample);
|
||
|
|
||
|
#ifdef BSP_USING_SPI
|
||
|
#include "drv_spi.h"
|
||
|
#include "spi_flash.h"
|
||
|
#include "spi_flash_sfud.h"
|
||
|
|
||
|
static int rt_hw_spi_flash_with_sfud_init(void)
|
||
|
{
|
||
|
rt_hw_spi_device_attach("spi2", "spi2_0", GPIOB, GPIO_PINS_12);
|
||
|
|
||
|
if (RT_NULL == rt_sfud_flash_probe("w25q", "spi2_0"))
|
||
|
{
|
||
|
return -RT_ERROR;
|
||
|
}
|
||
|
|
||
|
return RT_EOK;
|
||
|
}
|
||
|
|
||
|
INIT_COMPONENT_EXPORT(rt_hw_spi_flash_with_sfud_init);
|
||
|
#endif
|
||
|
|
||
|
#ifdef BSP_USING_QSPI
|
||
|
#include "drv_qspi.h"
|
||
|
#include "spi_flash.h"
|
||
|
#include "spi_flash_sfud.h"
|
||
|
|
||
|
static int rt_hw_qspi_flash_with_sfud_init(void)
|
||
|
{
|
||
|
at32_qspi_bus_attach_device("qspi2", "qspi2_0", RT_NULL, 4, RT_NULL, RT_NULL);
|
||
|
|
||
|
/* init n25qxx */
|
||
|
if (RT_NULL == rt_sfud_flash_probe("w25q", "qspi2_0"))
|
||
|
{
|
||
|
return -RT_ERROR;
|
||
|
}
|
||
|
|
||
|
return RT_EOK;
|
||
|
}
|
||
|
|
||
|
INIT_COMPONENT_EXPORT(rt_hw_qspi_flash_with_sfud_init);
|
||
|
#endif
|
||
|
|
||
|
#ifdef BSP_USING_ON_CHIP_FLASH
|
||
|
#include "drv_flash.h"
|
||
|
|
||
|
void dump(rt_uint8_t *buff, rt_uint32_t size)
|
||
|
{
|
||
|
rt_uint32_t index = 0;
|
||
|
|
||
|
rt_kprintf("dump data:");
|
||
|
for(index = 0; index < size; index++)
|
||
|
{
|
||
|
rt_kprintf(" %x", *(buff + index));
|
||
|
}
|
||
|
rt_kprintf("\n");
|
||
|
}
|
||
|
|
||
|
void fill(rt_uint8_t *buff, rt_uint32_t size)
|
||
|
{
|
||
|
rt_uint32_t index = 0;
|
||
|
|
||
|
for(index = 0; index < size; index++)
|
||
|
{
|
||
|
*(buff + index) = ~(*(buff + index) + index);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
static int flash_sample(int argc, char *argv[])
|
||
|
{
|
||
|
#define TEST_ADDR 0x0800F000
|
||
|
#define BUFFER_SIZE 0x1000
|
||
|
|
||
|
rt_uint8_t *buff = rt_malloc(BUFFER_SIZE);
|
||
|
rt_memset(buff, 0, BUFFER_SIZE);
|
||
|
|
||
|
if(at32_flash_read(TEST_ADDR, buff, BUFFER_SIZE) != BUFFER_SIZE)
|
||
|
{
|
||
|
rt_kprintf("flash read error\n");
|
||
|
}
|
||
|
dump(buff, BUFFER_SIZE);
|
||
|
|
||
|
if(at32_flash_erase(TEST_ADDR, BUFFER_SIZE) != BUFFER_SIZE)
|
||
|
{
|
||
|
rt_kprintf("flash erase error\n");
|
||
|
}
|
||
|
|
||
|
fill(buff, BUFFER_SIZE);
|
||
|
if(at32_flash_write(TEST_ADDR, buff, BUFFER_SIZE) != BUFFER_SIZE)
|
||
|
{
|
||
|
rt_kprintf("flash write error\n");
|
||
|
}
|
||
|
|
||
|
if(at32_flash_read(TEST_ADDR, buff, BUFFER_SIZE) != BUFFER_SIZE)
|
||
|
{
|
||
|
rt_kprintf("flash read error\n");
|
||
|
}
|
||
|
dump(buff, BUFFER_SIZE);
|
||
|
|
||
|
rt_free(buff);
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
MSH_CMD_EXPORT(flash_sample, flash sample);
|
||
|
#endif
|
||
|
|
||
|
#ifdef RT_USING_WDT
|
||
|
#define WDT_DEVICE_NAME "wdt"
|
||
|
|
||
|
static rt_device_t wdt_dev;
|
||
|
|
||
|
static void idle_hook(void)
|
||
|
{
|
||
|
rt_device_control(wdt_dev, RT_DEVICE_CTRL_WDT_KEEPALIVE, 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 = 1;
|
||
|
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);
|
||
|
}
|
||
|
|
||
|
wdt_dev = rt_device_find(device_name);
|
||
|
if (!wdt_dev)
|
||
|
{
|
||
|
rt_kprintf("find %s failed!\n", device_name);
|
||
|
return RT_ERROR;
|
||
|
}
|
||
|
|
||
|
ret = rt_device_control(wdt_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(wdt_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_CAN
|
||
|
#define CAN_DEV_NAME "can1"
|
||
|
|
||
|
static struct rt_semaphore rx_sem;
|
||
|
static rt_device_t can_dev;
|
||
|
|
||
|
static rt_err_t can_rx_call(rt_device_t dev, rt_size_t size)
|
||
|
{
|
||
|
rt_sem_release(&rx_sem);
|
||
|
|
||
|
return RT_EOK;
|
||
|
}
|
||
|
|
||
|
static void can_rx_thread(void *parameter)
|
||
|
{
|
||
|
int i;
|
||
|
#ifdef RT_CAN_USING_HDR
|
||
|
rt_err_t res;
|
||
|
#endif
|
||
|
struct rt_can_msg rxmsg = {0};
|
||
|
|
||
|
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:0x100~0x1ff,hdr ? - 1,??????? */
|
||
|
RT_CAN_FILTER_ITEM_INIT(0x300, 0, 0, 0, 0x700, RT_NULL, RT_NULL), /* std,match ID:0x300~0x3ff,hdr ? - 1 */
|
||
|
RT_CAN_FILTER_ITEM_INIT(0x211, 0, 0, 0, 0x7ff, RT_NULL, RT_NULL), /* std,match ID:0x211,hdr ? - 1 */
|
||
|
RT_CAN_FILTER_STD_INIT(0x486, RT_NULL, RT_NULL), /* std,match ID:0x486,hdr ? - 1 */
|
||
|
{0x555, 0, 0, 0, 0x7ff, 7,} /* std,match ID:0x555,hdr ? 7,???? 7 ???? */
|
||
|
};
|
||
|
struct rt_can_filter_config cfg = {5, 1, items};
|
||
|
|
||
|
res = rt_device_control(can_dev, RT_CAN_CMD_SET_FILTER, &cfg);
|
||
|
RT_ASSERT(res == RT_EOK);
|
||
|
#endif
|
||
|
|
||
|
while (1)
|
||
|
{
|
||
|
rxmsg.hdr_index = -1;
|
||
|
rt_sem_take(&rx_sem, RT_WAITING_FOREVER);
|
||
|
rt_device_read(can_dev, 0, &rxmsg, sizeof(rxmsg));
|
||
|
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);
|
||
|
}
|
||
|
can_dev = rt_device_find(can_name);
|
||
|
if (!can_dev)
|
||
|
{
|
||
|
rt_kprintf("find %s failed!\n", can_name);
|
||
|
return RT_ERROR;
|
||
|
}
|
||
|
|
||
|
rt_sem_init(&rx_sem, "rx_sem", 0, RT_IPC_FLAG_FIFO);
|
||
|
|
||
|
res = rt_device_open(can_dev, RT_DEVICE_FLAG_INT_TX | RT_DEVICE_FLAG_INT_RX);
|
||
|
RT_ASSERT(res == RT_EOK);
|
||
|
|
||
|
res = rt_device_control(can_dev, RT_CAN_CMD_SET_BAUD, (void *)CAN1MBaud);
|
||
|
|
||
|
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;
|
||
|
msg.ide = RT_CAN_STDID;
|
||
|
msg.rtr = RT_CAN_DTR;
|
||
|
msg.len = 8;
|
||
|
|
||
|
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;
|
||
|
|
||
|
size = rt_device_write(can_dev, 0, &msg, sizeof(msg));
|
||
|
if (size == 0)
|
||
|
{
|
||
|
rt_kprintf("can dev write data failed!\n");
|
||
|
}
|
||
|
|
||
|
return res;
|
||
|
}
|
||
|
|
||
|
MSH_CMD_EXPORT(can_sample, can_sample);
|
||
|
#endif
|
||
|
|
||
|
#ifdef BSP_USING_I2C
|
||
|
#define EEPROM_I2C_BUS_NAME "i2c1"
|
||
|
#define EEPROM_ADDR 0x50
|
||
|
|
||
|
static rt_err_t read_reg(struct rt_i2c_bus_device *bus, rt_uint8_t reg, rt_uint8_t *data)
|
||
|
{
|
||
|
rt_uint8_t buf[3];
|
||
|
struct rt_i2c_msg msgs;
|
||
|
buf[0] = reg;
|
||
|
msgs.addr = EEPROM_ADDR;
|
||
|
msgs.flags = RT_I2C_WR;
|
||
|
msgs.buf = buf;
|
||
|
msgs.len = 1;
|
||
|
|
||
|
if (rt_i2c_transfer(bus, &msgs, 1) != 1)
|
||
|
{
|
||
|
return -RT_ERROR;
|
||
|
}
|
||
|
|
||
|
msgs.addr = EEPROM_ADDR;
|
||
|
msgs.flags = RT_I2C_RD;
|
||
|
msgs.buf = data;
|
||
|
msgs.len = 2;
|
||
|
|
||
|
if (rt_i2c_transfer(bus, &msgs, 1) == 1)
|
||
|
{
|
||
|
return RT_EOK;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
return -RT_ERROR;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
static rt_err_t write_reg(struct rt_i2c_bus_device *bus, rt_uint8_t reg, rt_uint8_t *data)
|
||
|
{
|
||
|
rt_uint8_t buf[3];
|
||
|
struct rt_i2c_msg msgs;
|
||
|
buf[0] = reg;
|
||
|
buf[1] = data[0];
|
||
|
buf[2] = data[1];
|
||
|
msgs.addr = EEPROM_ADDR;
|
||
|
msgs.flags = RT_I2C_WR;
|
||
|
msgs.buf = buf;
|
||
|
msgs.len = 3;
|
||
|
|
||
|
if (rt_i2c_transfer(bus, &msgs, 1) == 1)
|
||
|
{
|
||
|
return RT_EOK;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
return -RT_ERROR;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
int i2c_sample(int argc, char *argv[])
|
||
|
{
|
||
|
rt_err_t ret = RT_EOK;
|
||
|
static struct rt_i2c_bus_device *i2c_bus = RT_NULL;
|
||
|
rt_uint8_t rx_buff[2] = {0}, tx_buff[2] = {0x12, 0x34};
|
||
|
|
||
|
i2c_bus = (struct rt_i2c_bus_device *)rt_device_find(EEPROM_I2C_BUS_NAME);
|
||
|
if (i2c_bus == RT_NULL)
|
||
|
{
|
||
|
rt_kprintf("can't find %s device!\n", EEPROM_I2C_BUS_NAME);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
write_reg(i2c_bus, 0x10, tx_buff);
|
||
|
rt_thread_mdelay(10);
|
||
|
read_reg(i2c_bus, 0x10, rx_buff);
|
||
|
rt_kprintf("rx_buff: %x %x\r\n", rx_buff[0], rx_buff[1]);
|
||
|
}
|
||
|
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
MSH_CMD_EXPORT(i2c_sample, i2c sample);
|
||
|
#endif
|
||
|
|
||
|
#ifdef BSP_USING_HWTIMER
|
||
|
#define HWTIMER_DEV_NAME "timer3"
|
||
|
|
||
|
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;
|
||
|
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 = 5;
|
||
|
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(1000);
|
||
|
|
||
|
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_SPI
|
||
|
#include <rtthread.h>
|
||
|
#include <rtdevice.h>
|
||
|
#include "drv_spi.h"
|
||
|
|
||
|
#define W25Q_SPI_DEVICE "spi1_0"
|
||
|
#define MAX_DATA_LEN 3
|
||
|
static void spi_sample(int argc, char * argv[])
|
||
|
{
|
||
|
struct rt_spi_device *spi_device;
|
||
|
char name[RT_NAME_MAX];
|
||
|
rt_uint8_t tx_data[MAX_DATA_LEN] = {0x0};
|
||
|
rt_uint8_t rx_data[MAX_DATA_LEN] = {0x0};
|
||
|
rt_uint32_t index = 0;
|
||
|
|
||
|
rt_hw_spi_device_attach("spi1", W25Q_SPI_DEVICE, GPIOA, GPIO_PINS_4);
|
||
|
|
||
|
for(index = 0; index < MAX_DATA_LEN; index ++)
|
||
|
{
|
||
|
tx_data[index] = index;
|
||
|
}
|
||
|
|
||
|
if(argc == 2)
|
||
|
{
|
||
|
rt_strncpy(name, argv[1], RT_NAME_MAX);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
rt_strncpy(name, W25Q_SPI_DEVICE, RT_NAME_MAX);
|
||
|
}
|
||
|
|
||
|
spi_device = (struct rt_spi_device *)rt_device_find(name);
|
||
|
if(!spi_device)
|
||
|
{
|
||
|
rt_kprintf("can't find %s device!\n", name);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
rt_spi_send_then_recv(spi_device, tx_data, MAX_DATA_LEN, rx_data, MAX_DATA_LEN);
|
||
|
|
||
|
rt_kprintf("recv data:\n");
|
||
|
for(index = 0; index < MAX_DATA_LEN; index ++)
|
||
|
{
|
||
|
rt_kprintf(" 0x%x", rx_data[index]);
|
||
|
}
|
||
|
rt_kprintf("\n");
|
||
|
|
||
|
struct rt_spi_message msg1, msg2;
|
||
|
|
||
|
msg1.send_buf = tx_data;
|
||
|
msg1.recv_buf = RT_NULL;
|
||
|
msg1.length = MAX_DATA_LEN;
|
||
|
msg1.cs_take = 1;
|
||
|
msg1.cs_release = 0;
|
||
|
msg1.next = RT_NULL;
|
||
|
|
||
|
rt_spi_transfer_message(spi_device, &msg1);
|
||
|
|
||
|
msg2.send_buf = RT_NULL;
|
||
|
msg2.recv_buf = rx_data;
|
||
|
msg2.length = MAX_DATA_LEN;
|
||
|
msg2.cs_take = 0;
|
||
|
msg2.cs_release = 1;
|
||
|
msg2.next = RT_NULL;
|
||
|
|
||
|
rt_spi_transfer_message(spi_device, &msg2);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
MSH_CMD_EXPORT(spi_sample, spi device sample);
|
||
|
|
||
|
#endif
|