#include #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 #include #include #include // #include #include #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 // #include // #include // #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