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[fix] fix adc/usb/spi/i2s demo

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This commit is contained in:
jzlv 2021-04-27 12:39:22 +08:00
parent d98495bbb4
commit ca849b3ed8
24 changed files with 673 additions and 116 deletions
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5
examples/adc/adc_key/CMakeLists.txt Normal file
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@ -0,0 +1,5 @@
set(mains main.c)
generate_bin()

66
examples/adc/adc_key/main.c
View file

@ -1,9 +1,8 @@
/**
* @file adc_key.c
* @author Boufflao Lab MCU Team (jychen@bouffalolab.com)
* @file main.c
* @brief
* @version 0.1
* @date 2021-03-23
*
* Copyright (c) 2021 Bouffalolab team
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
@ -21,20 +20,19 @@
* under the License.
*
*/
#include "hal_adc.h"
#include "hal_gpio.h"
#define KEY0_ADC_VALUE 0
#define KEY1_ADC_VALUE 100
#define KEY2_ADC_VALUE 200
#define KEY3_ADC_VALUE 300
#define KEY4_ADC_VALUE 430
#define KEY_NO_VALUE 3000
#define KEY_MEASURE_OFFSET 30
#define KEY0_ADC_VALUE (0)
#define KEY1_ADC_VALUE (100)
#define KEY2_ADC_VALUE (200)
#define KEY3_ADC_VALUE (300)
#define KEY4_ADC_VALUE (430)
#define KEY_NO_VALUE (3000)
#define KEY_MEASURE_OFFSET (30)
#define KEY_FILTER_NUM 200
#define KEY_FILTER_NUM (200)
typedef struct {
uint32_t vaildKeyNum;
uint16_t keyValue[KEY_FILTER_NUM];
@ -47,13 +45,18 @@ adc_res_val_t result_val;
adc_keys_status key_machine;
struct device* adc_key;
uint32_t adc_value[2] = {0};
uint32_t key_voltage = 0;
/**
* @brief init adc key machine
*
*/
static void key_machine_init(void){
key_machine.vaildKeyNum = 0;
memset(key_machine.keyValue,0xff,KEY_FILTER_NUM);
memset(key_machine.keyValue,0xff,KEY_FILTER_NUM*2);
}
/**
@ -86,10 +89,10 @@ static uint16_t get_adc_value_range(uint32_t Vmv){
* @return int
*/
static int get_adc_key_value(uint32_t Vmv){
volatile uint16_t key_num[5]={0};
uint8_t bigger=0,i=0,j=0;
volatile uint16_t key_num[5] = {0};
uint8_t bigger = 0, i = 0, j = 0;
if(Vmv>KEY0_ADC_VALUE && Vmv<KEY4_ADC_VALUE+KEY_MEASURE_OFFSET){
if(Vmv > KEY0_ADC_VALUE && Vmv < KEY4_ADC_VALUE + KEY_MEASURE_OFFSET){
key_machine.keyValue[key_machine.vaildKeyNum] = get_adc_value_range(Vmv);
key_machine.vaildKeyNum++;
@ -126,6 +129,22 @@ static int get_adc_key_value(uint32_t Vmv){
}
// uint32_t sum = 0;
// static uint32_t adc_val_filter(void)
// {
// static uint32_t cnt_filter = 0;
// static uint32_t volt_value = 0;
// volt_value += adc_value[0];
// if( ++cnt_filter >= 20)
// {
// cnt_filter = 0;
// key_voltage = (volt_value / 20 * 30 + key_voltage * 70) / 100;
// volt_value = 0;
// }
// }
int main(void)
{
bflb_platform_init(0);
@ -144,26 +163,27 @@ int main(void)
adc_register(ADC0_INDEX, "adc_key", DEVICE_OFLAG_STREAM_RX, &adc_user_cfg);
struct device* adc_test = device_find("adc_key");
adc_key = device_find("adc_key");
if(adc_test)
if(adc_key)
{
device_open(adc_test, DEVICE_OFLAG_STREAM_RX);
device_open(adc_key, DEVICE_OFLAG_STREAM_RX);
}else{
MSG("device open failed\r\n");
}
device_control(adc_test,DEVICE_CTRL_RESUME,0);
device_control(adc_key,DEVICE_CTRL_RESUME,0);
key_machine_init();
while (1)
{
device_read(adc_test,0,(void *)&result_val,1);
device_read(adc_key,0,(void *)&result_val,1);
keyValue = get_adc_key_value(result_val.volt * 1000);
if( keyValue!=KEY_NO_VALUE){
MSG("key %d pressed\r\n",keyValue);
}
MSG("result_val.volt: %0.2f mv\n", (result_val.volt * 1000));
}
}
}