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rt-thread-official/bsp/wch/risc-v/ch569w-evt/applications/test.c

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/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-07-15 Emuzit first version
* 2022-07-20 Emuzit add watchdog test
* 2022-07-26 Emuzit add hwtimer test
* 2022-07-30 Emuzit add spi master test
* 2022-08-04 Emuzit add pwm test
*/
#include <rtthread.h>
#include <drivers/pin.h>
#include <drivers/watchdog.h>
#include <drivers/hwtimer.h>
#include <drivers/spi.h>
#include <drivers/rt_drv_pwm.h>
#include "board.h"
#define PWM_CYCLE_MAX 255
static const rt_base_t gpio_int_pins[8] = GPIO_INT_PINS;
/* note : PIN_IRQ_MODE_RISING_FALLING not supported */
static const uint32_t gpint_mode[] =
{
PIN_IRQ_MODE_RISING,
PIN_IRQ_MODE_RISING,
PIN_IRQ_MODE_RISING,
PIN_IRQ_MODE_RISING,
PIN_IRQ_MODE_FALLING,
PIN_IRQ_MODE_FALLING,
PIN_IRQ_MODE_FALLING,
PIN_IRQ_MODE_FALLING,
};
static struct rt_mailbox *gpint_mb = RT_NULL;
static struct rt_thread *gpint_thread = RT_NULL;
static rt_device_t wdg_dev;
static rt_base_t led0, led1;
static void gpio_int_callback(void *pin)
{
led1 = (led1 == PIN_LOW) ? PIN_HIGH : PIN_LOW;
rt_pin_write(LED1_PIN, led1);
if (gpint_mb != RT_NULL)
{
/* non-block, silently ignore RT_EFULL */
rt_mb_send(gpint_mb, (uint32_t)pin);
}
}
static void gpio_int_thread(void *param)
{
while (1)
{
rt_err_t res;
uint32_t pin;
res = rt_mb_recv(gpint_mb, &pin, RT_WAITING_FOREVER);
if (res == RT_EOK)
{
rt_kprintf("gpio_int #%d (%d)\n", pin, rt_pin_read(pin));
}
rt_thread_mdelay(100);
#ifdef RT_USING_WDT
rt_device_control(wdg_dev, RT_DEVICE_CTRL_WDT_KEEPALIVE, RT_NULL);
#endif
}
}
static void test_gpio_int(void)
{
rt_err_t res;
int i;
rt_pin_mode(LED1_PIN, PIN_MODE_OUTPUT);
rt_pin_write(LED1_PIN, led1 = PIN_HIGH);
/* Enable all gpio interrupt with various modes.
* LED0 or GND touching can be used to trigger pin interrupt.
*/
gpint_mb = rt_mb_create("pximb", 8, RT_IPC_FLAG_FIFO);
if (gpint_mb == RT_NULL)
{
rt_kprintf("gpint mailbox create failed !\n");
}
else
{
gpint_thread = rt_thread_create("pxith", gpio_int_thread, RT_NULL,
512, RT_MAIN_THREAD_PRIORITY, 50);
if (gpint_thread == RT_NULL)
{
rt_kprintf("gpint thread create failed !\n");
}
else
{
rt_thread_startup(gpint_thread);
for (i = 0; i < 8; i++)
{
rt_base_t pin = gpio_int_pins[i];
#ifdef RT_USING_PWM
if (pin == PWM0_PIN || pin == PWM1_PIN)
continue;
#endif
rt_pin_mode(pin, PIN_MODE_INPUT_PULLUP);
res = rt_pin_attach_irq(
pin, gpint_mode[i], gpio_int_callback, (void *)pin);
if (res != RT_EOK)
{
rt_kprintf("rt_pin_attach_irq failed (%d:%d)\n", i, res);
}
else
{
rt_pin_irq_enable(pin, PIN_IRQ_ENABLE);
}
}
}
}
}
#ifdef RT_USING_WDT
static void test_watchdog(uint32_t seconds)
{
/* Test watchdog with 30s timeout, keepalive with gpio interrupt.
*
* CAVEAT: With only 8-bit WDOG_COUNT and fixed clocking at Fsys/524288,
* watchdog of ch56x may be quite limited with very short timeout.
*/
seconds = 30;
wdg_dev = rt_device_find("wdt");
if (!wdg_dev)
{
rt_kprintf("watchdog device not found !\n");
}
else if (rt_device_init(wdg_dev) != RT_EOK ||
rt_device_control(wdg_dev, RT_DEVICE_CTRL_WDT_SET_TIMEOUT, &seconds) != RT_EOK)
{
rt_kprintf("watchdog setup failed !\n");
}
else
{
rt_kprintf("WDT_TIMEOUT in %d seconds, trigger gpio interrupt to keep alive.\n\n", seconds);
}
}
#else
#define test_watchdog(tov) do {} while(0)
#endif
#ifdef RT_USING_HWTIMER
static struct rt_device *tmr_dev_0;
static struct rt_device *tmr_dev_1;
static rt_err_t tmr_timeout_cb(rt_device_t dev, rt_size_t size)
{
rt_tick_t tick = rt_tick_get();
int tmr = (dev == tmr_dev_1) ? 1 : 0;
rt_kprintf("hwtimer %d timeout callback fucntion @tick %d\n", tmr, tick);
return RT_EOK;
}
static void test_hwtimer(void)
{
rt_hwtimerval_t timerval;
rt_hwtimer_mode_t mode;
rt_size_t tsize;
/* setup two timers, ONESHOT & PERIOD each
*/
tmr_dev_0 = rt_device_find("timer0");
tmr_dev_1 = rt_device_find("timer1");
if (tmr_dev_0 == RT_NULL || tmr_dev_1 == RT_NULL)
{
rt_kprintf("hwtimer device(s) not found !\n");
}
else if (rt_device_open(tmr_dev_0, RT_DEVICE_OFLAG_RDWR) != RT_EOK ||
rt_device_open(tmr_dev_1, RT_DEVICE_OFLAG_RDWR) != RT_EOK)
{
rt_kprintf("hwtimer device(s) open failed !\n");
}
else
{
rt_device_set_rx_indicate(tmr_dev_0, tmr_timeout_cb);
rt_device_set_rx_indicate(tmr_dev_1, tmr_timeout_cb);
timerval.sec = 3;
timerval.usec = 500000;
tsize = sizeof(timerval);
mode = HWTIMER_MODE_ONESHOT;
if (rt_device_control(tmr_dev_0, HWTIMER_CTRL_MODE_SET, &mode) != RT_EOK)
{
rt_kprintf("timer0 set mode failed !\n");
}
else if (rt_device_write(tmr_dev_0, 0, &timerval, tsize) != tsize)
{
rt_kprintf("timer0 start failed !\n");
}
else
{
rt_kprintf("timer0 started !\n");
}
timerval.sec = 5;
timerval.usec = 0;
tsize = sizeof(timerval);
mode = HWTIMER_MODE_PERIOD;
if (rt_device_control(tmr_dev_1, HWTIMER_CTRL_MODE_SET, &mode) != RT_EOK)
{
rt_kprintf("timer1 set mode failed !\n");
}
else if (rt_device_write(tmr_dev_1, 0, &timerval, tsize) != tsize)
{
rt_kprintf("timer1 start failed !\n");
}
else
{
rt_kprintf("timer1 started !\n\n");
}
}
}
#else
#define test_hwtimer() do {} while(0)
#endif
#ifdef RT_USING_SPI
static struct rt_spi_device spi_dev_w25q;
static void test_spi_master(void)
{
struct rt_spi_configuration cfg;
struct rt_spi_message msg1, msg2;
rt_err_t res;
uint8_t buf[16];
int i;
cfg.max_hz = 25 * 1000000;
cfg.data_width = 8;
cfg.mode = RT_SPI_MASTER | RT_SPI_MODE_0 | RT_SPI_MSB;
res = rt_spi_bus_attach_device(
&spi_dev_w25q, W25Q32_SPI_NAME, SPI0_BUS_NAME, (void *)W25Q32_CS_PIN);
if (res == RT_EOK && rt_spi_configure(&spi_dev_w25q, &cfg) == RT_EOK)
{
/* cmd : Read Manufacturer / Device ID (90h) */
buf[0] = 0x90;
/* address : 0 */
buf[1] = buf[2] = buf[3] = 0;
msg1.send_buf = buf;
msg1.recv_buf = RT_NULL;
msg1.length = 4;
msg1.cs_take = 1;
msg1.cs_release = 0;
msg1.next = &msg2;
msg2.send_buf = RT_NULL;
msg2.recv_buf = buf;
msg2.length = 2;
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", buf[0], buf[1]);
/* cmd : Read Data (03h) */
buf[0] = 0x03;
/* address : 0 */
buf[1] = buf[2] = buf[3] = 0;
msg2.length = 16;
if (rt_spi_transfer_message(&spi_dev_w25q, &msg1) == RT_NULL)
{
rt_kprintf("SPI0 16-byte DMA read :");
for (i = 0; i < 16; i++)
rt_kprintf(" %02x", buf[i]);
rt_kprintf("\n\n");
}
}
else
{
rt_kprintf("w25q32 attach/configure failed (%d) !\n", res);
}
}
#else
#define test_spi_master() do {} while(0)
#endif
#ifdef RT_USING_PWM
static struct rt_device_pwm *pwm_dev;
static uint32_t pwm_period;
rt_err_t rt_pwm_get(struct rt_device_pwm *device,
struct rt_pwm_configuration *cfg);
static void pwm_tick_hook(void)
{
uint32_t pulse;
if (pwm_dev)
{
/* PWM.CH3 duty cycle : 0%->100% for every ~2.5 seconds */
pulse = (rt_tick_get() >> 1) % (PWM_CYCLE_MAX + 1);
pulse = (pwm_period * pulse + PWM_CYCLE_MAX/2) / PWM_CYCLE_MAX;
rt_pwm_set_pulse(pwm_dev, 3, pulse);
}
}
static void test_pwm(void)
{
struct rt_pwm_configuration cfg;
uint32_t pulse[4];
int ch;
pwm_dev = (struct rt_device_pwm *)rt_device_find(PWM_DEVICE_NAME);
if (pwm_dev == RT_NULL)
{
rt_kprintf("can't find %s device !\n", PWM_DEVICE_NAME);
}
else
{
/* for HCLK@80MHz, allowed period is 3187 ~ 812812 */
pwm_period = 800*1000;
pulse[0] = 100*1000;
pulse[1] = 400*1000;
pulse[2] = 600*1000;
pulse[3] = 0;
for (ch = 0; ch < PWM_CHANNELS; ch++)
{
rt_pwm_set(pwm_dev, ch, pwm_period, pulse[ch]);
rt_pwm_enable(pwm_dev, ch);
cfg.channel = ch;
rt_pwm_get(pwm_dev, &cfg);
rt_kprintf("pwm%d period set/get : %d/%d\n", ch, pwm_period, cfg.period);
rt_kprintf("pwm%d pulse set/get : %d/%d\n\n", ch, pulse[ch], cfg.pulse);
}
/* disable PWM.CH0 after 1 second, also start changing CH3 */
rt_thread_mdelay(1000);
rt_pwm_disable(pwm_dev, 0);
/* connect PWM3 (PB.2) to LED2 for a visualized PWM effect */
rt_pin_mode(LED2_PIN, PIN_MODE_INPUT);
rt_tick_sethook(pwm_tick_hook);
}
}
#else
#define test_pwm() do {} while(0)
#endif
#ifdef RT_USING_USB_DEVICE
#if !defined(RT_USING_EVENT) || !defined(RT_USING_MESSAGEQUEUE)
#error "event flag or message queue IPC not enabled"
#endif
static struct rt_thread *udvcom_thread;
static rt_device_t vcom;
static void usbd_vcom_thread(void *param)
{
char ch;
while (1)
{
while (rt_device_read(vcom, 0, &ch, 1) != 1)
rt_thread_delay(1);
rt_kprintf("(%2d) %02x:%c\n", rt_device_write(vcom, 0, &ch, 1), ch, ch);
rt_pin_write(LED1_PIN, (ch & 1) ? PIN_LOW : PIN_HIGH);
}
}
static void test_usbd()
{
char name[] = "vcom";
vcom = rt_device_find(name);
if (vcom && rt_device_open(vcom, RT_DEVICE_FLAG_INT_RX) == RT_EOK)
{
rt_kprintf("%s opened\n", name);
rt_pin_mode(LED1_PIN, PIN_MODE_OUTPUT);
rt_pin_write(LED1_PIN, PIN_LOW);
udvcom_thread = rt_thread_create("udvcom", usbd_vcom_thread, vcom,
512, 20, 50);
if (udvcom_thread != RT_NULL)
rt_thread_startup(udvcom_thread);
else
rt_kprintf("usvcom thread create failed !\n");
rt_device_write(vcom, 0, name, rt_strlen(name));
}
}
#else
#define test_usbd() do {} while(0)
#endif
void main(void)
{
uint32_t wdog_timeout = 32;
rt_kprintf("\nCH569W-R0-1v0, HCLK: %dMHz\n\n", sys_hclk_get() / 1000000);
test_gpio_int();
test_watchdog(wdog_timeout);
test_hwtimer();
test_spi_master();
test_pwm();
test_usbd();
rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
rt_pin_write(LED0_PIN, led0 = PIN_LOW);
while (1)
{
/* flashing LED0 every 1 second */
rt_thread_mdelay(500);
led0 = (led0 == PIN_LOW) ? PIN_HIGH : PIN_LOW;
rt_pin_write(LED0_PIN, led0);
}
}
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