146 lines
4.5 KiB
C
146 lines
4.5 KiB
C
/*!
|
|
\file main.c
|
|
\brief SRAM3 go to sleep and wakeup
|
|
|
|
\version 2021-10-30, V1.0.0, firmware for GD32W51x
|
|
*/
|
|
|
|
/*
|
|
Copyright (c) 2021, GigaDevice Semiconductor Inc.
|
|
|
|
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 holder nor the names of its contributors
|
|
may be used to endorse or promote products derived from this software without
|
|
specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE COPYRIGHT HOLDER 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.
|
|
*/
|
|
|
|
#include "gd32w51x.h"
|
|
#include <stdio.h>
|
|
#include "gd32w515p_eval.h"
|
|
|
|
#define SRAM3_START_ADDR SRAM3_BASE
|
|
|
|
uint8_t data_array[10]={1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
|
|
|
|
void led_config(void);
|
|
void sram_write_check(void);
|
|
void sram_wakeup_check(void);
|
|
|
|
/*!
|
|
\brief main function
|
|
\param[in] none
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
int main(void)
|
|
{
|
|
/* led configuration */
|
|
led_config();
|
|
/* enable clock */
|
|
rcu_periph_clock_enable(RCU_PMU);
|
|
|
|
/* write data to SRAM3 and check */
|
|
sram_write_check();
|
|
|
|
/* TAMPER_WAKEUP key config */
|
|
gd_eval_key_init(KEY_TAMPER_WAKEUP, KEY_MODE_GPIO);
|
|
|
|
/* SRAM3 enter sleep mode */
|
|
pmu_wifi_sram_control(PMU_SRAM3_SLEEP);
|
|
/* turn on LED3 */
|
|
gd_eval_led_on(LED3);
|
|
|
|
while(1){
|
|
/* press TAMPER_WAKEUP key to wakeup SRAM3 */
|
|
if(RESET == gpio_input_bit_get(TAMPER_WAKEUP_KEY_GPIO_PORT, TAMPER_WAKEUP_KEY_PIN)){
|
|
pmu_wifi_sram_control(PMU_SRAM3_WAKE);
|
|
/* check SRAM3 after wakeup from SRAM sleep */
|
|
sram_wakeup_check();
|
|
}
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief write data to SRAM3 and check
|
|
\param[in] none
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void sram_write_check(void)
|
|
{
|
|
uint8_t data_i = 0;
|
|
uint32_t write_p = 0;
|
|
|
|
write_p = SRAM3_START_ADDR;
|
|
/* write data array to SRAM3 */
|
|
for(data_i = 0; data_i < 10; data_i++){
|
|
(*(volatile uint8_t *)(uint32_t)(write_p)) = data_array[data_i];
|
|
/* check whether data is right written to SRAM3 or not */
|
|
if((*(volatile uint8_t *)(uint32_t)(write_p)) != data_array[data_i]){
|
|
/* turn on LED2 to indicate error written occurs */
|
|
gd_eval_led_on(LED2);
|
|
while(1);
|
|
}
|
|
write_p++;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief check SRAM3 after wakeup from SRAM sleep
|
|
\param[in] none
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void sram_wakeup_check(void)
|
|
{
|
|
uint8_t data_i = 0;
|
|
volatile uint32_t write_p = 0, lost_state = 0;
|
|
|
|
write_p = SRAM3_START_ADDR;
|
|
/* check whether data in SRAM3 are lost or not */
|
|
for(data_i = 0; data_i < 10; data_i++){
|
|
if((*(volatile uint8_t *)(uint32_t)(write_p)) != data_array[data_i]){
|
|
lost_state++;
|
|
}
|
|
write_p++;
|
|
}
|
|
/* if data are all not lost, it is error situation */
|
|
if(0 == lost_state){
|
|
gd_eval_led_on(LED2);
|
|
}else{
|
|
/* if data are lost, it is right situation */
|
|
gd_eval_led_on(LED1);
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief LEDs configuration
|
|
\param[in] none
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void led_config(void)
|
|
{
|
|
gd_eval_led_init(LED1);
|
|
gd_eval_led_init(LED2);
|
|
gd_eval_led_init(LED3);
|
|
}
|