solo/nrf52840/main.c
2018-05-30 23:42:22 -04:00

693 lines
20 KiB
C

/**
* Copyright (c) 2014 - 2018, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/** @file
*
* @defgroup blinky_example_main main.c
* @{
* @ingroup blinky_example
* @brief Blinky Example Application main file.
*
* This file contains the source code for a sample application to blink LEDs.
*
*/
#include <stdbool.h>
#include <stdio.h>
#include <stdint.h>
#include "nrf.h"
#include "nrf_gpio.h"
#include "nrf_delay.h"
#include "boards.h"
#include "nrf_drv_rtc.h"
#include "nrf_drv_clock.h"
#include "SEGGER_RTT.h"
#define COMPARE_COUNTERTIME (3UL) /**< Get Compare event COMPARE_TIME seconds after the counter starts from 0. */
#ifdef BSP_LED_0
#define TICK_EVENT_OUTPUT BSP_LED_0 /**< Pin number for indicating tick event. */
#endif
#ifndef TICK_EVENT_OUTPUT
#error "Please indicate output pin"
#endif
#ifdef BSP_LED_1
#define COMPARE_EVENT_OUTPUT BSP_LED_1 /**< Pin number for indicating compare event. */
#endif
#ifndef COMPARE_EVENT_OUTPUT
#error "Please indicate output pin"
#endif
const nrf_drv_rtc_t rtc = NRF_DRV_RTC_INSTANCE(0); /**< Declaring an instance of nrf_drv_rtc for RTC0. */
/** @brief Function starting the internal LFCLK XTAL oscillator.
*/
static void lfclk_config(void)
{
ret_code_t err_code = nrf_drv_clock_init();
APP_ERROR_CHECK(err_code);
nrf_drv_clock_lfclk_request(NULL);
}
static void rtc_config(void)
{
uint32_t err_code;
//Initialize RTC instance
nrf_drv_rtc_config_t config = NRF_DRV_RTC_DEFAULT_CONFIG;
config.prescaler = 32;
err_code = nrf_drv_rtc_init(&rtc, &config, NULL);
APP_ERROR_CHECK(err_code);
//Enable tick event & interrupt
/*nrf_drv_rtc_tick_enable(&rtc,true);*/
/*//Set compare channel to trigger interrupt after COMPARE_COUNTERTIME seconds*/
/*err_code = nrf_drv_rtc_cc_set(&rtc,0,COMPARE_COUNTERTIME * 8,true);*/
/*APP_ERROR_CHECK(err_code);*/
//Power on RTC instance
nrf_drv_rtc_enable(&rtc);
}
int usb_main(void);
int main(void)
{
/* Configure board. */
bsp_board_init(BSP_INIT_LEDS);
lfclk_config();
rtc_config();
SEGGER_RTT_printf(0, "Hello FIDO2\n");
uint32_t count;
int i = 0;
usb_main();
while (1)
{
i++;
for (int i = 0; i < LEDS_NUMBER; i++)
{
bsp_board_led_invert(i);
nrf_delay_ms(25);
}
count = nrf_drv_rtc_counter_get(&rtc);
printf("toggle\r\n");
SEGGER_RTT_SetTerminal(0);
SEGGER_RTT_printf(0, "Hello World %d!\n", count);
SEGGER_RTT_SetTerminal(1);
SEGGER_RTT_printf(0, "Hello World %d!\n", i);
}
}
#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
#include "nrf.h"
#include "app_util_platform.h"
#include "nrf_drv_usbd.h"
#include "nrf_drv_clock.h"
#include "nrf_gpio.h"
#include "nrf_drv_power.h"
#include "app_timer.h"
#include "app_usbd.h"
#include "app_usbd_core.h"
#include "app_usbd_hid_generic.h"
#include "app_usbd_hid_mouse.h"
#include "app_usbd_hid_kbd.h"
#include "app_error.h"
#include "bsp.h"
#include "bsp_config.h"
#include "bsp_cli.h"
#include "nrf_cli.h"
#define NRF_LOG_INFO(info) SEGGER_RTT_printf(0,"%s\r\n",info)
/**
* @brief Enable USB power detection
*/
#ifndef USBD_POWER_DETECTION
#define USBD_POWER_DETECTION true
#endif
/**
* @brief HID generic class interface number.
* */
#define HID_GENERIC_INTERFACE 0
/**
* @brief HID generic class endpoint number.
* */
#define HID_GENERIC_EPIN NRF_DRV_USBD_EPIN1
/**
* @brief Mouse speed (value sent via HID when board button is pressed).
* */
#define CONFIG_MOUSE_MOVE_SPEED (3)
/**
* @brief Mouse move repeat time in milliseconds
*/
#define CONFIG_MOUSE_MOVE_TIME_MS (5)
/* GPIO used as LED & buttons in this example */
#define LED_USB_START (BSP_BOARD_LED_0)
#define LED_HID_REP_IN (BSP_BOARD_LED_2)
#define BTN_MOUSE_X_POS 0
#define BTN_MOUSE_Y_POS 1
#define BTN_MOUSE_LEFT 2
#define BTN_MOUSE_RIGHT 3
/**
* @brief Left button mask in buttons report
*/
#define HID_BTN_LEFT_MASK (1U << 0)
/**
* @brief Right button mask in buttons report
*/
#define HID_BTN_RIGHT_MASK (1U << 1)
/* HID report layout */
#define HID_BTN_IDX 0 /**< Button bit mask position */
#define HID_X_IDX 1 /**< X offset position */
#define HID_Y_IDX 2 /**< Y offset position */
#define HID_W_IDX 3 /**< Wheel position */
#define HID_REP_SIZE 4 /**< The size of the report */
/**
* @brief Number of reports defined in report descriptor.
*/
#define REPORT_IN_QUEUE_SIZE 1
/**
* @brief Size of maximum output report. HID generic class will reserve
* this buffer size + 1 memory space. */
#define REPORT_OUT_MAXSIZE 0
/**
* @brief HID generic class endpoints count.
* */
#define HID_GENERIC_EP_COUNT 1
/**
* @brief List of HID generic class endpoints.
* */
#define ENDPOINT_LIST() \
( \
HID_GENERIC_EPIN \
)
/**
* @brief Additional key release events
*
* This example needs to process release events of used buttons
*/
enum {
BSP_USER_EVENT_RELEASE_0 = BSP_EVENT_KEY_LAST + 1, /**< Button 0 released */
BSP_USER_EVENT_RELEASE_1, /**< Button 1 released */
BSP_USER_EVENT_RELEASE_2, /**< Button 2 released */
BSP_USER_EVENT_RELEASE_3, /**< Button 3 released */
BSP_USER_EVENT_RELEASE_4, /**< Button 4 released */
BSP_USER_EVENT_RELEASE_5, /**< Button 5 released */
BSP_USER_EVENT_RELEASE_6, /**< Button 6 released */
BSP_USER_EVENT_RELEASE_7, /**< Button 7 released */
};
/**
* @brief HID generic mouse action types
*/
typedef enum {
HID_GENERIC_MOUSE_X,
HID_GENERIC_MOUSE_Y,
HID_GENERIC_MOUSE_BTN_LEFT,
HID_GENERIC_MOUSE_BTN_RIGHT,
} hid_generic_mouse_action_t;
/**
* @brief User event handler.
* */
static void hid_user_ev_handler(app_usbd_class_inst_t const * p_inst,
app_usbd_hid_user_event_t event);
/**
* @brief Reuse HID mouse report descriptor for HID generic class
*/
APP_USBD_HID_GENERIC_SUBCLASS_REPORT_DESC(mouse_desc,APP_USBD_HID_MOUSE_REPORT_DSC_BUTTON(2));
static const app_usbd_hid_subclass_desc_t * reps[] = {&mouse_desc};
/*lint -save -e26 -e64 -e123 -e505 -e651*/
/**
* @brief Global HID generic instance
*/
APP_USBD_HID_GENERIC_GLOBAL_DEF(m_app_hid_generic,
HID_GENERIC_INTERFACE,
hid_user_ev_handler,
ENDPOINT_LIST(),
reps,
REPORT_IN_QUEUE_SIZE,
REPORT_OUT_MAXSIZE,
APP_USBD_HID_SUBCLASS_BOOT,
APP_USBD_HID_PROTO_MOUSE);
/*lint -restore*/
/**
* @brief Mouse state
*
* Current mouse status
*/
struct
{
int16_t acc_x; /**< Accumulated x state */
int16_t acc_y; /**< Accumulated y state */
uint8_t btn; /**< Current btn state */
uint8_t last_btn; /**< Last transfered button state */
}m_mouse_state;
/**
* @brief Mark the ongoing transmission
*
* Marks that the report buffer is busy and cannot be used until transmission finishes
* or invalidates (by USB reset or suspend event).
*/
static bool m_report_pending;
/**
* @brief Timer to repeat mouse move
*/
APP_TIMER_DEF(m_mouse_move_timer);
/**
* @brief Get maximal allowed accumulated value
*
* Function gets maximal value from the accumulated input.
* @sa m_mouse_state::acc_x, m_mouse_state::acc_y
*/
static int8_t hid_acc_for_report_get(int16_t acc)
{
if(acc > INT8_MAX)
{
return INT8_MAX;
}
else if(acc < INT8_MIN)
{
return INT8_MIN;
}
else
{
return (int8_t)(acc);
}
}
/**
* @brief Internal function that process mouse state
*
* This function checks current mouse state and tries to send
* new report if required.
* If report sending was successful it clears accumulated positions
* and mark last button state that was transfered.
*/
static void hid_generic_mouse_process_state(void)
{
if (m_report_pending)
return;
if ((m_mouse_state.acc_x != 0) ||
(m_mouse_state.acc_y != 0) ||
(m_mouse_state.btn != m_mouse_state.last_btn))
{
ret_code_t ret;
static uint8_t report[HID_REP_SIZE];
/* We have some status changed that we need to transfer */
report[HID_BTN_IDX] = m_mouse_state.btn;
report[HID_X_IDX] = (uint8_t)hid_acc_for_report_get(m_mouse_state.acc_x);
report[HID_Y_IDX] = (uint8_t)hid_acc_for_report_get(m_mouse_state.acc_y);
/* Start the transfer */
ret = app_usbd_hid_generic_in_report_set(
&m_app_hid_generic,
report,
sizeof(report));
if (ret == NRF_SUCCESS)
{
m_report_pending = true;
m_mouse_state.last_btn = report[HID_BTN_IDX];
CRITICAL_REGION_ENTER();
/* This part of the code can fail if interrupted by BSP keys processing.
* Lock interrupts to be safe */
m_mouse_state.acc_x -= (int8_t)report[HID_X_IDX];
m_mouse_state.acc_y -= (int8_t)report[HID_Y_IDX];
CRITICAL_REGION_EXIT();
}
}
}
/**
* @brief HID generic IN report send handling
* */
static void hid_generic_mouse_action(hid_generic_mouse_action_t action, int8_t param)
{
CRITICAL_REGION_ENTER();
/*
* Update mouse state
*/
switch (action)
{
case HID_GENERIC_MOUSE_X:
m_mouse_state.acc_x += param;
break;
case HID_GENERIC_MOUSE_Y:
m_mouse_state.acc_y += param;
break;
case HID_GENERIC_MOUSE_BTN_RIGHT:
if(param == 1)
{
m_mouse_state.btn |= HID_BTN_RIGHT_MASK;
}
else
{
m_mouse_state.btn &= ~HID_BTN_RIGHT_MASK;
}
break;
case HID_GENERIC_MOUSE_BTN_LEFT:
if(param == 1)
{
m_mouse_state.btn |= HID_BTN_LEFT_MASK;
}
else
{
m_mouse_state.btn &= ~HID_BTN_LEFT_MASK;
}
break;
}
CRITICAL_REGION_EXIT();
}
/**
* @brief Class specific event handler.
*
* @param p_inst Class instance.
* @param event Class specific event.
* */
static void hid_user_ev_handler(app_usbd_class_inst_t const * p_inst,
app_usbd_hid_user_event_t event)
{
switch (event)
{
case APP_USBD_HID_USER_EVT_OUT_REPORT_READY:
{
/* No output report defined for this example.*/
ASSERT(0);
break;
}
case APP_USBD_HID_USER_EVT_IN_REPORT_DONE:
{
m_report_pending = false;
hid_generic_mouse_process_state();
bsp_board_led_invert(LED_HID_REP_IN);
break;
}
case APP_USBD_HID_USER_EVT_SET_BOOT_PROTO:
{
NRF_LOG_INFO("SET_BOOT_PROTO");
break;
}
case APP_USBD_HID_USER_EVT_SET_REPORT_PROTO:
{
NRF_LOG_INFO("SET_REPORT_PROTO");
break;
}
default:
break;
}
}
/**
* @brief USBD library specific event handler.
*
* @param event USBD library event.
* */
static void usbd_user_ev_handler(app_usbd_event_type_t event)
{
switch (event)
{
case APP_USBD_EVT_DRV_SOF:
break;
case APP_USBD_EVT_DRV_RESET:
m_report_pending = false;
break;
case APP_USBD_EVT_DRV_SUSPEND:
m_report_pending = false;
app_usbd_suspend_req(); // Allow the library to put the peripheral into sleep mode
bsp_board_leds_off();
break;
case APP_USBD_EVT_DRV_RESUME:
m_report_pending = false;
bsp_board_led_on(LED_USB_START);
break;
case APP_USBD_EVT_STARTED:
m_report_pending = false;
bsp_board_led_on(LED_USB_START);
break;
case APP_USBD_EVT_STOPPED:
app_usbd_disable();
bsp_board_leds_off();
break;
case APP_USBD_EVT_POWER_DETECTED:
NRF_LOG_INFO("USB power detected");
if (!nrf_drv_usbd_is_enabled())
{
app_usbd_enable();
}
break;
case APP_USBD_EVT_POWER_REMOVED:
NRF_LOG_INFO("USB power removed");
app_usbd_stop();
break;
case APP_USBD_EVT_POWER_READY:
NRF_LOG_INFO("USB ready");
app_usbd_start();
break;
default:
break;
}
}
static void mouse_move_timer_handler(void * p_context)
{
UNUSED_PARAMETER(p_context);
bool used = false;
if (bsp_button_is_pressed(BTN_MOUSE_X_POS))
{
hid_generic_mouse_action(HID_GENERIC_MOUSE_X, CONFIG_MOUSE_MOVE_SPEED);
used = true;
}
if (bsp_button_is_pressed(BTN_MOUSE_Y_POS))
{
hid_generic_mouse_action(HID_GENERIC_MOUSE_Y, CONFIG_MOUSE_MOVE_SPEED);
used = true;
}
if(!used)
{
UNUSED_RETURN_VALUE(app_timer_stop(m_mouse_move_timer));
}
}
static void bsp_event_callback(bsp_event_t ev)
{
switch ((unsigned int)ev)
{
case CONCAT_2(BSP_EVENT_KEY_, BTN_MOUSE_X_POS):
hid_generic_mouse_action(HID_GENERIC_MOUSE_X, CONFIG_MOUSE_MOVE_SPEED);
UNUSED_RETURN_VALUE(app_timer_start(m_mouse_move_timer, APP_TIMER_TICKS(CONFIG_MOUSE_MOVE_TIME_MS), NULL));
break;
case CONCAT_2(BSP_EVENT_KEY_, BTN_MOUSE_Y_POS):
hid_generic_mouse_action(HID_GENERIC_MOUSE_Y, CONFIG_MOUSE_MOVE_SPEED);
UNUSED_RETURN_VALUE(app_timer_start(m_mouse_move_timer, APP_TIMER_TICKS(CONFIG_MOUSE_MOVE_TIME_MS), NULL));
break;
case CONCAT_2(BSP_EVENT_KEY_, BTN_MOUSE_RIGHT):
hid_generic_mouse_action(HID_GENERIC_MOUSE_BTN_RIGHT, 1);
break;
case CONCAT_2(BSP_USER_EVENT_RELEASE_, BTN_MOUSE_RIGHT):
hid_generic_mouse_action(HID_GENERIC_MOUSE_BTN_RIGHT, -1);
break;
case CONCAT_2(BSP_EVENT_KEY_, BTN_MOUSE_LEFT):
hid_generic_mouse_action(HID_GENERIC_MOUSE_BTN_LEFT, 1);
break;
case CONCAT_2(BSP_USER_EVENT_RELEASE_, BTN_MOUSE_LEFT):
hid_generic_mouse_action(HID_GENERIC_MOUSE_BTN_LEFT, -1);
break;
default:
return; // no implementation needed
}
}
/**
* @brief Auxiliary internal macro
*
* Macro used only in @ref init_bsp to simplify the configuration
*/
#define INIT_BSP_ASSIGN_RELEASE_ACTION(btn) \
APP_ERROR_CHECK( \
bsp_event_to_button_action_assign( \
btn, \
BSP_BUTTON_ACTION_RELEASE, \
(bsp_event_t)CONCAT_2(BSP_USER_EVENT_RELEASE_, btn)) \
)
static void init_bsp(void)
{
ret_code_t ret;
SEGGER_RTT_printf(0, "USB %d\n", __LINE__);
ret = bsp_init(BSP_INIT_BUTTONS, bsp_event_callback);
APP_ERROR_CHECK(ret);
SEGGER_RTT_printf(0, "USB %d\n", __LINE__);
INIT_BSP_ASSIGN_RELEASE_ACTION(BTN_MOUSE_LEFT );
INIT_BSP_ASSIGN_RELEASE_ACTION(BTN_MOUSE_RIGHT);
/* Configure LEDs */
bsp_board_init(BSP_INIT_LEDS);
SEGGER_RTT_printf(0, "USB %d\n", __LINE__);
}
static void init_cli(void)
{
ret_code_t ret;
ret = bsp_cli_init(bsp_event_callback);
SEGGER_RTT_printf(0, "USB %d\n", __LINE__);
APP_ERROR_CHECK(ret);
SEGGER_RTT_printf(0, "USB %d\n", __LINE__);
}
int usb_main(void)
{
ret_code_t ret;
static const app_usbd_config_t usbd_config = {
.ev_state_proc = usbd_user_ev_handler
};
SEGGER_RTT_printf(0, "USB %d\n", __LINE__);
/*ret = nrf_drv_clock_init();*/
/*APP_ERROR_CHECK(ret);*/
SEGGER_RTT_printf(0, "USB %d\n", __LINE__);
nrf_drv_clock_lfclk_request(NULL);
SEGGER_RTT_printf(0, "USB %d\n", __LINE__);
while(!nrf_drv_clock_lfclk_is_running())
{
/* Just waiting */
}
SEGGER_RTT_printf(0, "USB %d\n", __LINE__);
ret = app_timer_init();
APP_ERROR_CHECK(ret);
SEGGER_RTT_printf(0, "USB %d\n", __LINE__);
ret = app_timer_create(&m_mouse_move_timer, APP_TIMER_MODE_REPEATED, mouse_move_timer_handler);
APP_ERROR_CHECK(ret);
SEGGER_RTT_printf(0, "USB %d\n", __LINE__);
init_bsp();
init_cli();
NRF_LOG_INFO("Hello USB!");
SEGGER_RTT_printf(0, "USB %d\n", __LINE__);
ret = app_usbd_init(&usbd_config);
APP_ERROR_CHECK(ret);
NRF_LOG_INFO("USBD HID generic example started.");
app_usbd_class_inst_t const * class_inst_generic;
class_inst_generic = app_usbd_hid_generic_class_inst_get(&m_app_hid_generic);
ret = app_usbd_class_append(class_inst_generic);
APP_ERROR_CHECK(ret);
if (USBD_POWER_DETECTION)
{
ret = app_usbd_power_events_enable();
APP_ERROR_CHECK(ret);
}
else
{
NRF_LOG_INFO("No USB power detection enabled\r\nStarting USB now");
app_usbd_enable();
app_usbd_start();
}
while (true)
{
while (app_usbd_event_queue_process())
{
/* Nothing to do */
}
hid_generic_mouse_process_state();
/*nrf_cli_process(&m_cli_uart);*/
UNUSED_RETURN_VALUE(NRF_LOG_PROCESS());
/* Sleep CPU only if there was no interrupt since last loop processing */
__WFE();
}
}