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