#include <stdio.h>
#include "ohos_init.h"
#include "iot_gpio.h"
#include "iot_gpio_ex.h"
#include "iot_i2c.h"
#include "cmsis_os2.h"
// #include "ohos_init.h"
// #include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
// #include <cmsis_os2.h>
#include <stdbool.h>
#define IIC_SDA 0
#define IIC_SCL 1
#define ADDR 0x27 // 0100111
#define IIC_IDX 1
/*
Command Register
0 Input port 0
1 Input port 1
2 Output port 0
3 Output port 1
4 Polarity Inversion port 0
5 Polarity Inversion port 1
6 Configuration port 0
7 Configuration port 1
*/
#define CMD_CFG0 6
#define CMD_CFG1 7
#define CMD_OUT0 2
#define CMD_OUT1 3
uint32_t exec1, exec2, exec3;
/***** 定时器1 回调函数 *****/
void Timer1_Callback(void *arg)
{
(void)arg;
//printf("This is Timer1_Callback!\r\n");
}
/***** 定时器2 回调函数 *****/
void Timer2_Callback(void *arg)
{
(void)arg;
//printf("This is Timer2_Callback!\r\n");
}
/***** 定时器3 回调函数 *****/
void Timer3_Callback(void *arg)
{
(void)arg;
//printf("This is Timer3_Callback!\r\n");
}
int write_iic(uint8_t* data){
int ret = IoTI2cWrite(IIC_IDX, (ADDR << 1) | 0x00, data, 3);
//printf("***@@@###$$$ ret = %d\n",ret);
return ret;
}
//start
uint8_t CFG0[] = {CMD_CFG0,0x0,0x0}; //配置为输出
uint8_t CFG1[] = {CMD_CFG1,0x0,0x0}; //配置为输出
uint8_t OUT0[] = {CMD_OUT0,0x00,0x00}; // 输出
uint8_t OUT1[] = {CMD_OUT1,0x00,0x00}; // 输出
char alpha[8][9] = {
"11111111",
"11100000",
"11100000",
"11111111",
"11111111",
"11100000",
"11100000",
"11111111"
};
// char alpha[8][9] = {
// "00011111",
// "11100000",
// "11100000",
// "00011111",
// "00011111",
// "11100000",
// "11100000",
// "00011111"
// };
void write_data(char byte1,char byte2){
//printf("write %02x ,%02x\n",byte1,byte2);
uint8_t data[3] = {CMD_OUT0,0x00,0x00};
data[1] = byte1;
data[2] = byte2;
write_iic(data);
data[0] = CMD_OUT1;
write_iic(data);
//printf("write %02x ,%02x\n",byte1,byte2);
// printf("data[3] = %c\n",data[3]);
// printf("data[2] = %c\n",data[2]);
// printf("data[1] = %c\n",data[1]);
// printf("data[0] = %c\n",data[0]);
}
void iic(void* args ){
int i,j;
osTimerId_t id1, id2, id3;
uint32_t timerDelay;
osStatus_t status;
// exec1 = 1U;
// id1 = osTimerNew(Timer1_Callback, osTimerPeriodic, &exec1, NULL);
// if (id1 != NULL)
// {
// printf(" id1 != NULL\r\n");
// // Hi3861 1U=10ms,100U=1S
// timerDelay = 100U;
// printf(" start status1\r\n ");
// status = osTimerStart(id1, timerDelay);
// printf(" ******end status1\r\n ");
// if (status != osOK)
// {
// // Timer could not be started
// printf(" Timer could not be started\r\n ");
// }else{
// printf(" Timer could be started\r\n "); //have
// }
// printf(" end status1\r\n "); //have
// }else{
// printf(" id1 = NULL\r\n ");
// }
// exec2 = 1U;
// id2 = osTimerNew(Timer2_Callback, osTimerPeriodic, &exec2, NULL);
// if (id2 != NULL)
// {
// printf(" id2 != NULL\r\n ");
// // Hi3861 1U=10ms,300U=3S
// timerDelay = 300U;
// printf(" start status2\r\n ");
// status = osTimerStart(id2, timerDelay);
// printf(" *******end status2\r\n ");
// if (status != osOK)
// {
// // Timer could not be started
// printf(" Timer could not be started \r\n");
// }else{
// printf(" Timer could be started\r\n ");
// }
// printf(" end status2\r\n ");
// }else{
// printf(" id2 = NULL\r\n ");
// }
printf("iic thread running...");
IoTGpioInit(IIC_SDA);
IoTGpioInit(IIC_SCL);
IoTGpioSetFunc(IIC_SDA, IOT_GPIO_FUNC_GPIO_0_I2C1_SDA);
IoTGpioSetFunc(IIC_SCL, IOT_GPIO_FUNC_GPIO_1_I2C1_SCL);
IoTI2cInit(IIC_IDX, 400000);
write_iic(CFG0);
write_iic(CFG1);
//usleep(20);
//usleep(200*1000);
exec1 = 1U;
id1 = osTimerNew(Timer1_Callback, osTimerPeriodic, &exec1, NULL);
if (id1 != NULL)
{
printf(" id1 != NULL\r\n");
// Hi3861 1U=10ms,100U=1S
timerDelay = 100U;
printf(" start status1\r\n ");
status = osTimerStart(id1, timerDelay);
printf(" ******end status1\r\n ");
if (status != osOK)
{
// Timer could not be started
printf(" Timer could not be started\r\n ");
}else{
printf(" Timer could be started\r\n "); //have
}
printf(" end status1\r\n "); //have
}else{
printf(" id1 = NULL\r\n ");
}
write_iic(OUT0);
write_iic(OUT1);
//usleep(1000*1000);
//usleep(100);
exec2 = 1U;
id2 = osTimerNew(Timer2_Callback, osTimerPeriodic, &exec2, NULL);
if (id2 != NULL)
{
printf(" id2 != NULL\r\n ");
// Hi3861 1U=10ms,300U=3S
timerDelay = 300U;
printf(" start status2\r\n ");
status = osTimerStart(id2, timerDelay);
printf(" *******end status2\r\n ");
if (status != osOK)
{
// Timer could not be started
printf(" Timer could not be started \r\n");
}else{
printf(" Timer could be started\r\n ");
}
printf(" end status2\r\n ");
}else{
printf(" id2 = NULL\r\n ");
}
while(1){
for(int i=0;i<8;i++){
unsigned char hex = 0;
for(int j=0;j<8;j++){
hex = hex <<1;
if(alpha[i][j] == '1'){
hex = hex | 0x1;
}
}
OUT1[2] = hex;
OUT0[1] = ~(1 << i);
write_data(~(1 << i),hex);
//usleep(100); //延时，肉眼无法观察的速度
//alpha[i][j] = 0xff; //消隐，防止给下次扫描带来影响
//alpha[i][j] == '0';
// char alpha[8][9] = {
// "00000000",
// "00000000",
// "00000000",
// "00000000",
// "00000000",
// "00000000",
// "00000000",
// "00000000"
// };
//hex = 0; //消隐，防止给下次扫描带来影响
//usleep(100);
// printf("OUT1[2] = %c\n",OUT1[2]);
// printf("OUT1[1] = %c\n",OUT1[1]);
}
//usleep(10000); //延时，肉眼无法观察的速度
exec3 = 1U;
id3 = osTimerNew(Timer3_Callback, osTimerPeriodic, &exec3, NULL);
if (id3 != NULL)
{
printf(" id3 != NULL\r\n ");
// Hi3861 1U=10ms,300U=3S
timerDelay = 300U;
printf(" start status3\r\n ");
status = osTimerStart(id3, timerDelay);
printf(" *******end status3\r\n ");
if (status != osOK)
{
// Timer could not be started
printf(" Timer could not be started \r\n");
}else{
printf(" Timer could be started\r\n ");
}
printf(" end status3\r\n ");
}
// else
// {
// printf(" id3 = NULL\r\n ");
// }
// //alpha[i][j] = 0xff; //消隐，防止给下次扫描带来影响
//osDelay(100);
alpha[i][j] = '0';
}
}
void iic_entry(){
printf("iic_entry called \n");
osThreadAttr_t attr;
attr.name = "thread_iic";
attr.attr_bits = 0U; // 如果为1 ，则可以使用osThreadJoin函数
attr.cb_mem = NULL; //控制快的指针
attr.cb_size = 0U;
attr.stack_mem = NULL; //栈内存指针
attr.stack_size = 1024 * 4; //栈大小
attr.priority = 25; //优先级
if (osThreadNew((osThreadFunc_t)iic, NULL, &attr) == NULL)
{
printf("Fail to create thread!\n");
}
}
APP_FEATURE_INIT(iic_entry);
// #include <stdio.h>
// #include <string.h>
// #include <unistd.h>
// #include "ohos_init.h"
// #include "cmsis_os2.h"
// uint32_t exec1, exec2;
// /***** 定时器1 回调函数 *****/
// void Timer1_Callback(void *arg)
// {
// (void)arg;
// printf("This is BearPi Harmony Timer1_Callback!\r\n");
// }
// /***** 定时器2 回调函数 *****/
// void Timer2_Callback(void *arg)
// {
// (void)arg;
// printf("This is BearPi Harmony Timer2_Callback!\r\n");
// }
// /***** 定时器创建 *****/
// static void Timer_example(void)
// {
// osTimerId_t id1, id2;
// uint32_t timerDelay;
// osStatus_t status;
// exec1 = 1U;
// id1 = osTimerNew(Timer1_Callback, osTimerPeriodic, &exec1, NULL);
// if (id1 != NULL)
// {
// printf(" id1 != NULL\r\n");
// // Hi3861 1U=10ms,100U=1S
// timerDelay = 100U;
// printf(" start status1\r\n ");
// status = osTimerStart(id1, timerDelay);
// printf(" ******end status1\r\n ");
// if (status != osOK)
// {
// // Timer could not be started
// printf(" Timer could not be started\r\n ");
// }else{
// printf(" Timer could be started\r\n "); //have
// }
// printf(" end status1\r\n "); //have
// }else{
// printf(" id1 = NULL\r\n ");
// }
// exec2 = 1U;
// id2 = osTimerNew(Timer2_Callback, osTimerPeriodic, &exec2, NULL);
// if (id2 != NULL)
// {
// printf(" id2 != NULL\r\n ");
// // Hi3861 1U=10ms,300U=3S
// timerDelay = 300U;
// printf(" start status2\r\n ");
// status = osTimerStart(id2, timerDelay);
// printf(" *******end status2\r\n ");
// if (status != osOK)
// {
// // Timer could not be started
// printf(" Timer could not be started \r\n");
// }else{
// printf(" Timer could be started\r\n ");
// }
// printf(" end status2\r\n ");
// }else{
// printf(" id2 = NULL\r\n ");
// }
// }
// APP_FEATURE_INIT(Timer_example);
//原文链接：https://blog.csdn.net/qq_36347513/article/details/117650058