stm32-sx1280: extract hal_timer.h

This commit is contained in:
Matthias Ringwald 2020-09-02 22:50:00 +02:00
parent 1db4b63982
commit 1397aea945
4 changed files with 183 additions and 22 deletions

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@ -83,6 +83,7 @@ controller/controller.c \
controller/hci_event.c \
controller/hopping.c \
controller/ll_sx1280.c \
controller/hal_timer.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_cortex.c \
Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dma.c \

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@ -0,0 +1,85 @@
/*
* Copyright (C) 2020 BlueKitchen GmbH
*
* 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 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 the copyright holders nor the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* 4. Any redistribution, use, or modification is done solely for
* personal benefit and not for any commercial purpose or for
* monetary gain.
*
* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
* RINGWALD 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.
*
* Please inquire about commercial licensing options at
* contact@bluekitchen-gmbh.com
*
*/
#define BTSTACK_FILE__ "hal_timer.c"
/*
* hal_timer.c
* HAL for 32.768 kHz low power timer with 16 bit resolution
*/
#include "hal_timer.h"
#include "stm32l4xx.h"
// access to timers
extern LPTIM_HandleTypeDef hlptim1;
static void (*hal_timer_callback)(void);
void HAL_LPTIM_CompareMatchCallback(LPTIM_HandleTypeDef *hlptim){
UNUSED(hlptim);
(*hal_timer_callback)();
}
void HAL_LPTIM_AutoReloadMatchCallback(LPTIM_HandleTypeDef *hlptim){
UNUSED(hlptim);
static uint32_t time_seconds = 0;
time_seconds += 2;
// printf("Time: %4u s\n", time_seconds);
}
void hal_timer_init(void){
}
void hal_timer_set_callback(void (*callback)(void)){
hal_timer_callback = callback;
}
uint16_t hal_timer_get_ticks(void){
return HAL_LPTIM_ReadCounter(&hlptim1);
}
void hal_timer_stop(void){
__HAL_LPTIM_DISABLE_IT(&hlptim1, LPTIM_IT_CMPM);
__HAL_LPTIM_CLEAR_FLAG(&hlptim1, LPTIM_IT_CMPM);
}
void hal_timer_start(uint16_t timeout_ticks){
__HAL_LPTIM_COMPARE_SET(&hlptim1, timeout_ticks);
__HAL_LPTIM_ENABLE_IT(&hlptim1, LPTIM_IT_CMPM);
}

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@ -0,0 +1,85 @@
/*
* Copyright (C) 2020 BlueKitchen GmbH
*
* 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 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 the copyright holders nor the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* 4. Any redistribution, use, or modification is done solely for
* personal benefit and not for any commercial purpose or for
* monetary gain.
*
* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
* RINGWALD 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.
*
* Please inquire about commercial licensing options at
* contact@bluekitchen-gmbh.com
*
*/
/*
* hci_event.h
*/
#ifndef HAL_TIMER_H
#define HCI_TIMER_H
#include "bluetooth.h"
#include <stdint.h>
#include <stdarg.h>
#if defined __cplusplus
extern "C" {
#endif
/*
* @brief Initialize 32.768 kHz timer, usually low power and used by RTC and in deep sleep
*/
void hal_timer_init(void);
/*
* @brief Set Timer Callback
* @param callback
*/
void hal_timer_set_callback(void (*callback)(void));
/**
* @brief Get current ticks
* @return num_ticks
*/
uint16_t hal_timer_get_ticks(void);
/**
* @brief Stop Timer
*/
void hal_timer_stop(void);
/**
* @brief Start Timer and fire at given timeout
* @param timeout_ticks timeout in ticks
*/
void hal_timer_start(uint16_t timeout_ticks);
#if defined __cplusplus
}
#endif
#endif // HAL_TIMER_H

View File

@ -56,6 +56,8 @@
#include "hal_cpu.h"
#include "hci_event.h"
#include "hopping.h"
#include "hal_timer.h"
//
// configuration
@ -69,9 +71,6 @@
#define TX_PARAMS_OUTPUT_POWER 10
// access to timers
extern TIM_HandleTypeDef htim2;
extern LPTIM_HandleTypeDef hlptim1;
#define ACL_LE_MAX_PAYLOAD 31
#define ADV_MAX_PAYLOAD (6+6+22)
@ -497,7 +496,7 @@ static void start_advertising(void){
// prepare
ctx.channel = 36;
ctx.anchor_ticks = HAL_LPTIM_ReadCounter(&hlptim1);
ctx.anchor_ticks = hal_timer_get_ticks();
// and get started
ll_advertising_statemachine();
@ -513,17 +512,16 @@ static void start_hopping(void){
Radio.SetPacketParams( &packetParams );
}
static void radio_stop_timer(void){
__HAL_LPTIM_DISABLE_IT(&hlptim1, LPTIM_IT_CMPM);
__HAL_LPTIM_CLEAR_FLAG(&hlptim1, LPTIM_IT_CMPM);
hal_timer_stop();
}
static void radio_set_timer_ticks(uint32_t anchor_offset_ticks){
radio_stop_timer();
// set timer for next radio event relative to anchor
uint16_t timeout_ticks = (uint16_t) (ctx.anchor_ticks + anchor_offset_ticks);
__HAL_LPTIM_COMPARE_SET(&hlptim1, timeout_ticks);
__HAL_LPTIM_ENABLE_IT(&hlptim1, LPTIM_IT_CMPM);
hal_timer_start(timeout_ticks);
}
static void ll_terminate(void){
@ -554,7 +552,7 @@ static void ll_terminate(void){
static void radio_timer_handler(void){
uint16_t t0 = HAL_LPTIM_ReadCounter(&hlptim1);
uint16_t t0 = hal_timer_get_ticks();
switch (ll_state){
case LL_STATE_CONNECTED:
@ -617,18 +615,6 @@ static void radio_timer_handler(void){
}
void HAL_LPTIM_CompareMatchCallback(LPTIM_HandleTypeDef *hlptim){
UNUSED(hlptim);
radio_timer_handler();
}
void HAL_LPTIM_AutoReloadMatchCallback(LPTIM_HandleTypeDef *hlptim){
UNUSED(hlptim);
static uint32_t time_seconds = 0;
time_seconds += 2;
// printf("Time: %4u s\n", time_seconds);
}
/** Radio IRQ handlers */
static void radio_on_tx_done(void ){
switch (radio_state){
@ -641,7 +627,7 @@ static void radio_on_tx_done(void ){
}
static void radio_on_rx_done(void ){
uint16_t packet_end_ticks = HAL_LPTIM_ReadCounter(&hlptim1);
uint16_t packet_end_ticks = hal_timer_get_ticks();
ll_pdu_t * rx_packet;
bool tx_acked;
@ -798,6 +784,10 @@ void ll_init(void){
// default channels, advertising interval
ctx.adv_map = 0x7;
ctx.adv_interval_us = 1280000;
// init timer
hal_timer_init();
hal_timer_set_callback(&radio_timer_handler);
}
void ll_radio_on(void){