int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop) {
if (length == 0) return 0;
I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
// Transmission process with 5 seconds timeout
if (HAL_I2C_Master_Transmit(&I2cHandle, (uint16_t)address, (uint8_t *)data, length, 5000) != HAL_OK) {
return 0; // Error
}
return length;
}
uint8_t SCCB_Write(uint8_t addr, uint8_t data)
{
uint8_t ret=0;
uint8_t buf[2] = {0, 0};
buf[0] = addr;
buf[1] = data;
//__disable_irq();
if (HAL_I2C_Master_Transmit(&hnd, SLAVE_ADDR, buf, 2, TIMEOUT) != HAL_OK) {
ret=0xFF;
}
//__enable_irq();
return ret;
}
bool i2cWriteBuffer(I2CDevice device, uint8_t addr_, uint8_t reg_, uint8_t len_, uint8_t *data)
{
if (device == I2CINVALID || device > I2CDEV_COUNT) {
return false;
}
I2C_HandleTypeDef *pHandle = &i2cDevice[device].handle;
if (!pHandle->Instance) {
return false;
}
HAL_StatusTypeDef status;
if (reg_ == 0xFF)
status = HAL_I2C_Master_Transmit(pHandle ,addr_ << 1, data, len_, I2C_DEFAULT_TIMEOUT);
else
status = HAL_I2C_Mem_Write(pHandle ,addr_ << 1, reg_, I2C_MEMADD_SIZE_8BIT,data, len_, I2C_DEFAULT_TIMEOUT);
if (status != HAL_OK)
return i2cHandleHardwareFailure(device);
return true;
}
uint8_t SCCB_Read(uint8_t slv_addr, uint8_t reg)
{
uint8_t data=0;
__disable_irq();
if((HAL_I2C_Master_Transmit(&I2CHandle, slv_addr, ®, 1, TIMEOUT) != HAL_OK)
|| (HAL_I2C_Master_Receive(&I2CHandle, slv_addr, &data, 1, TIMEOUT) != HAL_OK)) {
data=0xFF;
}
__enable_irq();
return data;
}
uint8_t SCCB_Write(uint8_t addr, uint8_t data)
{
uint8_t ret=0;
uint8_t buf[] = {addr, data};
__disable_irq();
if (HAL_I2C_Master_Transmit(&I2CHandle, SLAVE_ADDR, buf, 2, TIMEOUT) != HAL_OK) {
ret=0xFF;
}
__enable_irq();
return ret;
}
void init_i2c_accel(I2C_HandleTypeDef *hi2c)
{
i2c_Handle = hi2c;
uint8_t buf[2];
volatile HAL_StatusTypeDef error;
buf[0] = 0x20; //CTRL_REG1
buf[1] = 0x34; //Data
error = HAL_I2C_Master_Transmit(i2c_Handle, (uint16_t)adress_LSM303DLHC_acel, (uint8_t*)buf,sizeof(buf),1000);
if(error!=HAL_OK){} //TODO Error Handling
}
void BQ27542_read(unsigned char cmd, unsigned int bytes)
{
unsigned char tx[1];
tx[0] = cmd;
if(HAL_I2C_Master_Transmit(&hi2c1, bq27542_ADDR, tx, 1, 0xFFFF) != HAL_OK){
BQ27542_error();
}
if(HAL_I2C_Master_Receive(&hi2c1, bq27542_ADDR, RxData, bytes, 0xFFFF) != HAL_OK){
BQ27542_error();
}
}
static void mma8652Reg8Writre (I2C_HandleTypeDef *i2cHandle, uint8_t reg, uint8_t value)
{
uint8_t txBuffer[2] = {reg, value};
while (HAL_I2C_Master_Transmit (i2cHandle, (uint8_t) MMA8652_I2C_ADDR, (uint8_t*) txBuffer, sizeof(txBuffer), 10000) != HAL_OK) {
/* Error_Handler() function is called when Timeout error occurs.
When Acknowledge failure occurs (Slave don't acknowledge it's address)
Master restarts communication */
if (HAL_I2C_GetError (i2cHandle) != HAL_I2C_ERROR_AF) {
Error_Handler ();
}
}
}
void Baro::init(I2C_HandleTypeDef* hi2c, ros::NodeHandle* nh)
{
i2c_handle_ = hi2c;
nh_ = nh;
nh_->subscribe<std_msgs::UInt8, Baro>(baro_config_sub_);
BARO_H;
//reset
uint8_t reg[1];
reg[0] = CMD_MS56XX_RESET;
HAL_I2C_Master_Transmit(i2c_handle_, MS561101BA_ADDRESS, reg, 1, 100);
HAL_Delay(10);
uint16_t prom[8];
if (!readCalib(prom)) return;
calibrated_ = true;
// Save factory calibration coefficients
c1_ = prom[1];
c2_ = prom[2];
c3_ = prom[3];
c4_ = prom[4];
c5_ = prom[5];
c6_ = prom[6];
// Send a command to read temperature first
reg[0] = ADDR_CMD_CONVERT_TEMPERATURE;
//reg[0] = ADDR_CMD_CONVERT_PRESSURE;
HAL_I2C_Master_Transmit(i2c_handle_, MS561101BA_ADDRESS, reg, 1, 100);
last_timer_ = HAL_GetTick();
state_ = 0;
s_d1_ = 0;
s_d2_ = 0;
d1_count_ = 0;
d2_count_ = 0;
}
void test_EasterEgg(void)
{
ExpanderSetbit(7,0);
HAL_Delay(100);
ExpanderSetbit(7,1);
HAL_Delay(100);
ssd1306Init(0);
ssd1306ClearScreen();
ssd1306Refresh();
// I2C
uint8_t aTxBuffer[3]; // = {control, c};
aTxBuffer[0] = 0x0;
aTxBuffer[1] = 0x1;
aTxBuffer[2] = 0x5;
uint8_t aRxBuffer[1]; // = {control, c};
aRxBuffer[0] = 0x0;
ssd1306ClearScreen();
while(HAL_I2C_Master_Transmit(&hi2c1, (uint16_t)0x50<<1, (uint8_t*)aTxBuffer, 3, 10000)!= HAL_OK)
{
/* Error_Handler() function is called when Timout error occurs.
When Acknowledge failure ocucurs (Slave don't acknowledge it's address)
Master restarts communication */
if (HAL_I2C_GetError(&hi2c1) != HAL_I2C_ERROR_AF)
{
ssd1306PrintInt(10, 15, "Bad Send", 0, &Font_5x8);
}
}
while(HAL_I2C_Master_Receive(&hi2c1, (uint16_t)0x50<<1, (uint8_t*)aRxBuffer, 1, 10000)!= HAL_OK)
{
/* Error_Handler() function is called when Timout error occurs.
When Acknowledge failure ocucurs (Slave don't acknowledge it's address)
Master restarts communication */
if (HAL_I2C_GetError(&hi2c1) != HAL_I2C_ERROR_AF)
{
ssd1306PrintInt(10, 25, "Bad recv", 0, &Font_5x8);
}
}
ssd1306PrintInt(10, 35, "Fini : ", aRxBuffer[0], &Font_5x8);
ssd1306Refresh();
}
bool i2cWriteBuffer(I2CDevice device, uint8_t addr_, uint8_t reg_, uint8_t len_, uint8_t *data)
{
HAL_StatusTypeDef status;
if(reg_ == 0xFF)
status = HAL_I2C_Master_Transmit(&i2cHandle[device].Handle,addr_ << 1,data, len_, I2C_DEFAULT_TIMEOUT);
else
status = HAL_I2C_Mem_Write(&i2cHandle[device].Handle,addr_ << 1, reg_, I2C_MEMADD_SIZE_8BIT,data, len_, I2C_DEFAULT_TIMEOUT);
if(status != HAL_OK)
return i2cHandleHardwareFailure(device);
return true;
}
// Write n_bytes of data to device
int I2C_send_data(I2C_Device_t *device, uint8_t *p_data, uint16_t n_bytes) {
int ret;
I2C_HandleTypeDef *hi2c;
if (device->I2Cx == I2C1) {
hi2c = &hi2c1;
} else {
return -1; // Not implemented
}
ret = HAL_I2C_Master_Transmit(hi2c,device->address,p_data,n_bytes,device->timeout);
return ret;
}
/* Return 1 if TMP006 is successfully configured
* Otherwise return 0
*/
uint8_t config_TMP006(I2C_HandleTypeDef *hi2c) {
uint8_t data[3] = {0};
data[0] = TMP006_CONFIG;
data[1] = (TMP006_CFG_8SAMPLE | TMP006_CFG_MODEON | TMP006_CFG_DRDYEN) >> 8;
data[2] = TMP006_CFG_8SAMPLE | TMP006_CFG_MODEON | TMP006_CFG_DRDYEN;
/* configure TMP006 in accordance to user guide */
if(HAL_I2C_Master_Transmit(hi2c, (uint16_t)(TMP006_ADDR_NORMAL << 1), data, 3, (uint32_t)0xFFFF)!= HAL_OK)
{
return 0;
}
return 1;
}
/* Configs the IMU with various settings for sensitivity */
void IMUConfig(int accelrange, int gyrorange)
{
/* Figures out what settings to apply */
if (accelrange == 4) {accelRegister = 0x08; accelConvFactor = 8192; }
else if (accelrange == 8) {accelRegister = 0x10; accelConvFactor = 4096; }
else if (accelrange == 16) {accelRegister = 0x18; accelConvFactor = 2048; }
else /*Defults to 2*/ {accelRegister = 0x00; accelConvFactor = 16384;}
if (gyrorange == 500) {gyroRegister = 0x08; gyroConvFactor = 65.5; }
else if (gyrorange == 1000){gyroRegister = 0x10; gyroConvFactor = 32.8; }
else if (gyrorange == 2000){gyroRegister = 0x18; gyroConvFactor = 16.4; }
else /*Defults to 250*/ {gyroRegister = 0x00; gyroConvFactor = 131; }
/* Does the configuration */
uint8_t addressAndData[2] = {IMU_WHOAMI, 0x00};
HAL_I2C_Master_Transmit(&hi2c1, IMU_ADDRESS<<1, (uint8_t*)addressAndData, 1, 100); /* This should return the WHOAMI register */
HAL_I2C_Master_Receive(&hi2c1, IMU_ADDRESS<<1, (uint8_t *)rawIMU, 1, 100);
if (rawIMU[0] == 0x68){print("\r\n[OK] IMU Found");}
else{print("\r\n[ERROR] IMU not found");}
addressAndData[0] = IMU_CFG;
addressAndData[1] = 0x00;
HAL_I2C_Master_Transmit(&hi2c1, IMU_ADDRESS<<1, (uint8_t*)addressAndData, 2, 100); /* Reset LPF */
addressAndData[0] = IMU_ACCEL_CFG;
addressAndData[1] = accelRegister;
HAL_I2C_Master_Transmit(&hi2c1, IMU_ADDRESS<<1, (uint8_t*)addressAndData, 2, 100);
addressAndData[0] = IMU_ACCEL_CFG;
addressAndData[1] = accelRegister;
HAL_I2C_Master_Transmit(&hi2c1, IMU_ADDRESS<<1, (uint8_t*)addressAndData, 2, 100);
addressAndData[0] = IMU_PWR_MGMT1;
addressAndData[1] = 0x00;
HAL_I2C_Master_Transmit(&hi2c1, IMU_ADDRESS<<1, (uint8_t*)addressAndData, 2, 100); /* Bring IMU out of reset */
}
/**
* @brief Sleep device request to the sensor on the specified address.
* @param h_i2c: pointer to the i2c bus peripheral handle that the temperature sensor ics are connected.
* @param device_i2c_address: i2c address of the sensor to request measurement.
* @retval TC_74_STATUS.
*/
TC_74_STATUS TC74_device_sleep(I2C_HandleTypeDef *h_i2c, uint8_t device_i2c_address) {
TC_74_STATUS device_status;
/*put device to sleep*/
uint8_t transmit_packet[2] = { TC74_CONFIGURATION_REGISTER, TC74_STANDBY_COMMAND };
if (HAL_I2C_Master_Transmit(h_i2c, device_i2c_address, transmit_packet, 2, 100) != HAL_OK) {
//soft error handle
device_status = DEVICE_ERROR;
}
if(device_status!=DEVICE_ERROR){
device_status = TC74_read_device_status(h_i2c, device_i2c_address);
}
return device_status;
}
/* Gets register values for accel, gyro and temp data and puts them into correct format */
void IMUGetMotion()
{
uint8_t address[] = {0x3B}; /* Start Address */
HAL_I2C_Master_Transmit(&hi2c1, IMU_ADDRESS<<1, (uint8_t*)address, 1, 100);
HAL_I2C_Master_Receive(&hi2c1, IMU_ADDRESS<<1, (uint8_t *)rawIMU, 14, 200);
Motion.x = (float) ( (int16_t)((rawIMU[0] << 8) | rawIMU[1]) ) / accelConvFactor;
Motion.y = (float) ( (int16_t)((rawIMU[2] << 8) | rawIMU[3]) ) / accelConvFactor;
Motion.z = (float) ( (int16_t)((rawIMU[4] << 8) | rawIMU[5]) ) / accelConvFactor;
Motion.temp = ((float) ( (int16_t)((rawIMU[6] << 8) | rawIMU[7]) ) + 12412.0) / 340.0;
Motion.roll = (float) ( (int16_t)((rawIMU[8] << 8) | rawIMU[9] ) ) / gyroConvFactor;
Motion.pitch = (float) ( (int16_t)((rawIMU[10] << 8) | rawIMU[11]) ) / gyroConvFactor;
Motion.yaw = (float) ( (int16_t)((rawIMU[12] << 8) | rawIMU[13]) ) / gyroConvFactor;
}
uint8_t SCCB_Probe()
{
uint8_t reg = 0x00;
uint8_t slv_addr = 0x00;
for (int i=0; i<127; i++) {
if (HAL_I2C_Master_Transmit(&I2CHandle, i, ®, 1, TIMEOUT) == HAL_OK) {
slv_addr = i;
break;
}
if (i!=126) {
systick_sleep(1); // Necessary for OV7725 camera (not for OV2640).
}
}
return slv_addr;
}
uint8_t SCCB_Read(uint8_t addr)
{
uint8_t data=0;
__disable_irq();
if (HAL_I2C_Master_Transmit(&I2CHandle, SLAVE_ADDR, &addr, 1, TIMEOUT) != HAL_OK) {
data = 0xFF;
goto error_w;
}
if (HAL_I2C_Master_Receive(&I2CHandle, SLAVE_ADDR, &data, 1, TIMEOUT) != HAL_OK) {
data = 0xFF;
}
error_w:
__enable_irq();
return data;
}
uint8_t SCCB_Read(uint8_t addr)
{
uint8_t data=0;
uint8_t res = HAL_I2C_Master_Transmit(&hnd, SLAVE_ADDR, &addr, 1, TIMEOUT);
printf("res: %u",res);
//__disable_irq();
if (res != HAL_OK) {
data = 0xFF;
goto error_w;
}
if (HAL_I2C_Master_Receive(&hnd, SLAVE_ADDR, &data, 1, TIMEOUT) != HAL_OK) {
data = 0xFF;
}
error_w:
//__enable_irq();
return data;
}
/**
* @brief Wake up request to the sensor on the specified address.
* @param h_i2c: pointer to the i2c bus peripheral handle that the temperature sensor ics are connected.
* @param device_i2c_address: i2c address of the sensor to request measurement.
* @retval TC_74_STATUS.
*/
TC_74_STATUS TC74_device_wake_up(I2C_HandleTypeDef *h_i2c, uint8_t device_i2c_address) {
TC_74_STATUS device_status = DEVICE_STATUS_LAST_VALUE;
HAL_StatusTypeDef res;
/*wake up */
uint8_t transmit_packet[2] = { TC74_CONFIGURATION_REGISTER, TC74_AWAKE_COMMAND };
if ((res = HAL_I2C_Master_Transmit(h_i2c, device_i2c_address, transmit_packet, 2, 100)) != HAL_OK) {
//soft error handle
device_status = DEVICE_ERROR;
}
if(device_status!=DEVICE_ERROR){
device_status = TC74_read_device_status(h_i2c, device_i2c_address);
}
return device_status;
}
void init_i2c_magn(I2C_HandleTypeDef *hi2c)
{
i2c_Handle = hi2c;
uint8_t buf[2];
volatile HAL_StatusTypeDef error;
#if Enable_LIS3MDL
buf[0] = 0x20; //CTRL_REG1
buf[1] = 0x74; //Data
error = HAL_I2C_Master_Transmit(i2c_Handle, (uint16_t)adress_LIS3MDL, (uint8_t*)buf,2,1000);
if(error!=HAL_OK){} //TODO Error Handling
buf[0] = 0x21; //CTRL_REG2
buf[1] = 0x00; //Data
error = HAL_I2C_Master_Transmit(i2c_Handle, (uint16_t)adress_LIS3MDL, (uint8_t*)buf,2,1000);
if(error!=HAL_OK){} //TODO Error Handling
buf[0] = 0x22; //CTRL_REG3
buf[1] = 0x00; //Data
error = HAL_I2C_Master_Transmit(i2c_Handle, (uint16_t)adress_LIS3MDL, (uint8_t*)buf,2,1000);
if(error!=HAL_OK){} //TODO Error Handling
buf[0] = 0x23; //CTRL_REG4
buf[1] = 0x0C; //Data
error = HAL_I2C_Master_Transmit(i2c_Handle, (uint16_t)adress_LIS3MDL, (uint8_t*)buf,2,1000);
if(error!=HAL_OK){} //TODO Error Handling
#endif
#if Enable_LSM303DLHC
buf[0] = 0x00; //CRA_REG_M
buf[1] = 0x14; //Data
error = HAL_I2C_Master_Transmit(i2c_Handle, (uint16_t)adress_LSM303DLHC, (uint8_t*)buf,2,1000);
if(error!=HAL_OK){} //TODO Error Handling
buf[0] = 0x01; //CRB_REG_M
buf[1] = 0x20; //Data
error = HAL_I2C_Master_Transmit(i2c_Handle, (uint16_t)adress_LSM303DLHC, (uint8_t*)buf,2,1000);
if(error!=HAL_OK){} //TODO Error Handling
buf[0] = 0x02; //MR_REG_M
buf[1] = 0x00; //Data
error = HAL_I2C_Master_Transmit(i2c_Handle, (uint16_t)adress_LSM303DLHC, (uint8_t*)buf,2,1000);
if(error!=HAL_OK){} //TODO Error Handling
#endif
}
void PCF8563_read_datetime(date_time_t volatile *dt)
{
union{
struct{
uint8_t bcd_sec;
uint8_t bcd_min;
uint8_t bcd_hrs;
uint8_t bcd_day;
uint8_t wek;
uint8_t bcd_mon;
uint8_t bcd_yer;
}Fields;
uint8_t arrWeekDays[7];
}Time;
uint8_t data = 0;
// LowVoltage = VL_sec.7
// Century = C_Mon.7
// Disable interrupts so the i2c process is not disrupted.
data = PCF8563_SECONDS_REG;
HAL_I2C_Master_Transmit(&hi2c2, PCF8563_WRITE_ADDRESS, &data, 1, 200);
// Read the date/time registers inside the PCF8563.
HAL_I2C_Master_Receive(&hi2c2, PCF8563_READ_ADDRESS, Time.arrWeekDays, 7, 100);
// Convert the date/time values from BCD to
// unsigned 8-bit integers. Unpack the bits
// in the PCF8563 registers where required.
Time.Fields.bcd_sec &= 0x7F;
Time.Fields.bcd_mon &= 0x7F;
dt->seconds = bcd2bin(Time.Fields.bcd_sec);
dt->minutes = bcd2bin(Time.Fields.bcd_min);
dt->hours = bcd2bin(Time.Fields.bcd_hrs & 0x3F);
dt->day = bcd2bin(Time.Fields.bcd_day & 0x3F);
dt->month = bcd2bin(Time.Fields.bcd_mon & 0x1F);
dt->weekday = Time.Fields.wek & 0x07;
dt->year = bcd2bin(Time.Fields.bcd_yer);
}
void i2c_send1(void)
{
char buf[] = {0x00, 0x00};
if(HAL_I2C_Master_Transmit(&hi2c, (uint16_t)0xAE, (uint8_t*)buf, 2, 10000) != HAL_OK)
{
if (HAL_I2C_GetError(&hi2c) != HAL_I2C_ERROR_AF)
{
led_on();
return;
}
}
while(HAL_I2C_Master_Receive(&hi2c, (uint16_t)0xAF, (uint8_t *)buf, 2, 10000) != HAL_OK)
{
if (HAL_I2C_GetError(&hi2c) != HAL_I2C_ERROR_AF)
{
led_on();
return;
}
}
}
void i2c (){
I2C_tx_buffer[0]=(uint8_t)MODE;
HAL_I2C_Master_Transmit(&hi2c1, (uint16_t) I2C_ADDRESS, &I2C_tx_buffer[0], 1,100);
//HAL_Delay(10);
HAL_GPIO_TogglePin(Kimenet_GPIO_Port,Kimenet_Pin);
//HAL_I2C_Master_Transmit_IT(&hi2c1, (uint16_t) I2C_ADDRESS, &I2C_tx_buffer[0], 1);
while (HAL_I2C_GetState(&hi2c1) != HAL_I2C_STATE_READY); //waiting for the end of current transfer before starting a new one
HAL_I2C_Master_Receive(&hi2c1, (uint16_t) I2C_ADDRESS, &I2C_rx_buffer[0], 1,100);
while (HAL_I2C_GetState(&hi2c1) != HAL_I2C_STATE_READY); //waiting for the end of current transfer
for(int i=0;i<10;i++){
HAL_GPIO_TogglePin(Kimenet_GPIO_Port,Kimenet_Pin);
HAL_Delay (500);
}
}
/**
* @brief Reads the word in temperature measurement register of the device and returns the current status of the specified address.
* @param h_i2c: pointer to the i2c bus peripheral handle that the temperature sensor ics are connected.
* @param device_i2c_address: i2c adress of the sensor to request measurement.
* @param receive_word: pointer to the word where the measurement register will be returned.
* @retval TC_74_STATUS.
*/
TC_74_STATUS TC74_read_device_temperature(I2C_HandleTypeDef *h_i2c, uint8_t device_i2c_address, int8_t *receive_word ) {
TC_74_STATUS device_status;
/*Read temperature*/
/*master sends the slave's temperature register adrress to read back*/
uint8_t transmit_packet = TC74_TEMPERATURE_REGISTER;
if (HAL_I2C_Master_Transmit(h_i2c, device_i2c_address, (uint8_t*)&transmit_packet, 1, 100) != HAL_OK) {
//soft error handle
device_status = DEVICE_ERROR;
}
if (HAL_I2C_Master_Receive(h_i2c, device_i2c_address, receive_word, 1, 100) != HAL_OK) {
//soft error handle
device_status = DEVICE_ERROR;
}
if(device_status!=DEVICE_ERROR){
device_status = TC74_read_device_status(h_i2c, device_i2c_address);
}
return device_status;
}
/**
* @brief Reads the word in device status register of the device and returns the current status of the specified address.
* @param h_i2c: pointer to the i2c bus peripheral handle that the temperature sensor ics are connected.
* @param device_i2c_address: i2c adress of the sensor to request measurement.
* @param receive_word: pointer to the word where the measurement register will be returned.
* @retval TC_74_STATUS.
*/
TC_74_STATUS TC74_read_device_status(I2C_HandleTypeDef *h_i2c, uint8_t device_i2c_address ) {
TC_74_STATUS device_status = DEVICE_STATUS_LAST_VALUE;
HAL_StatusTypeDef res;
/*Read control regiter*/
/*master sends the slave's temperature register adrress to read back*/
uint8_t transmit_packet[2] = { TC74_CONFIGURATION_REGISTER, TC74_AWAKE_COMMAND };
if ((res=HAL_I2C_Master_Transmit(h_i2c, device_i2c_address, transmit_packet, 1, 100) )!= HAL_OK) {
//soft error handle
device_status = DEVICE_ERROR;
}
uint8_t receive_word;
if ((res=HAL_I2C_Master_Receive(h_i2c, device_i2c_address, &receive_word, 1, 100)) != HAL_OK) {
//soft error handle
device_status = DEVICE_ERROR;
}
if(device_status!=DEVICE_ERROR){
if ((receive_word&0b10111111) == TC74_STANDBY_COMMAND){
device_status = DEVICE_STANDBY;
}
else if((receive_word&0b10111111) == TC74_AWAKE_COMMAND){
device_status = DEVICE_NORMAL_DATA_NOT_READY;
/*check data ready bit*/
if ((receive_word&0b11011111) == TC74_DATA_READY_FLAG){
device_status = DEVICE_NORMAL_DATA_READY;
}
}
else{
device_status = DEVICE_STATUS_LAST_VALUE;
}
}
return device_status;
}
uint8_t SSD1306_WriteData(int numofbytes, uint8_t *data) {
/*
uint8_t a = 0;
a |= 1 << 6; /// D/C = 1 data
if (SSD1306_start() != 0) {
return 0xff;
}
if (SSD1306_write(a) != 0) {
return 0xff;
}
for (int i = 0; i < numofbytes; i++) {
if (SSD1306_write(data[i]) != 0) {
return 0xff;
}
}
SSD1306_stop();
*/
uint8_t data2[1 + numofbytes];
data2[0] |= 1 << 6;
for (int i = 0; i < numofbytes; i++) {
data2[1 + i] = data[i];
}
if (HAL_I2C_Master_Transmit(&hi2c, SSD1306_ADDRESS, data2, 1 + numofbytes,
I2C_TIMEOUT_MAX)) {
return 0xff;
}
return 0;
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure LED3 and LED4 */
BSP_LED_Init(LED3);
BSP_LED_Init(LED4);
/* Configure the system clock to 168 MHz */
SystemClock_Config();
/*##-1- Configure the I2C peripheral #######################################*/
I2cHandle.Instance = I2Cx;
I2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_10BIT;
I2cHandle.Init.ClockSpeed = 400000;
I2cHandle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
I2cHandle.Init.DutyCycle = I2C_DUTYCYCLE_16_9;
I2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
I2cHandle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
I2cHandle.Init.OwnAddress1 = I2C_ADDRESS;
I2cHandle.Init.OwnAddress2 = 0xFE;
if(HAL_I2C_Init(&I2cHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
#ifdef MASTER_BOARD
/* Configure USER Button */
BSP_PB_Init(BUTTON_KEY, BUTTON_MODE_GPIO);
/* Wait for USER Button press before starting the Communication */
while (BSP_PB_GetState(BUTTON_KEY) != 1)
{
}
/* Wait for USER Button release before starting the Communication */
while (BSP_PB_GetState(BUTTON_KEY) != 0)
{
}
/* The board sends the message and expects to receive it back */
/*##-2- Start the transmission process #####################################*/
/* While the I2C in reception process, user can transmit data through
"aTxBuffer" buffer */
/* Timeout is set to 10S */
while(HAL_I2C_Master_Transmit(&I2cHandle, (uint16_t)I2C_ADDRESS, (uint8_t*)aTxBuffer, TXBUFFERSIZE, 10000)!= HAL_OK)
{
/* Error_Handler() function is called when Timeout error occurs.
When Acknowledge failure occurs (Slave don't acknowledge it's address)
Master restarts communication */
if (HAL_I2C_GetError(&I2cHandle) != HAL_I2C_ERROR_AF)
{
Error_Handler();
}
}
/* Turn LED3 on: Transfer in Transmission process is correct */
BSP_LED_On(LED3);
/* Wait for USER Button press before starting the Communication */
while (BSP_PB_GetState(BUTTON_KEY) != 1)
{
}
/* Wait for USER Button release before starting the Communication */
while (BSP_PB_GetState(BUTTON_KEY) != 0)
{
}
/*##-3- Put I2C peripheral in reception process ############################*/
/* Timeout is set to 10S */
while(HAL_I2C_Master_Receive(&I2cHandle, (uint16_t)I2C_ADDRESS, (uint8_t *)aRxBuffer, RXBUFFERSIZE, 10000) != HAL_OK)
{
/* Error_Handler() function is called when Timeout error occurs.
When Acknowledge failure occurs (Slave don't acknowledge it's address)
Master restarts communication */
if (HAL_I2C_GetError(&I2cHandle) != HAL_I2C_ERROR_AF)
{
Error_Handler();
}
}
/* Turn LED3 off: Transfer in reception process is correct */
BSP_LED_Off(LED3);
#else
/* The board receives the message and sends it back */
/*##-2- Put I2C peripheral in reception process ############################*/
/* Timeout is set to 10S */
if(HAL_I2C_Slave_Receive(&I2cHandle, (uint8_t *)aRxBuffer, RXBUFFERSIZE, 10000) != HAL_OK)
{
/* Transfer error in reception process */
Error_Handler();
}
/* Turn LED3 on: Transfer in reception process is correct */
BSP_LED_On(LED3);
/*##-3- Start the transmission process #####################################*/
/* While the I2C in reception process, user can transmit data through
"aTxBuffer" buffer */
/* Timeout is set to 10S */
if(HAL_I2C_Slave_Transmit(&I2cHandle, (uint8_t*)aTxBuffer, TXBUFFERSIZE, 10000)!= HAL_OK)
{
/* Transfer error in transmission process */
Error_Handler();
}
/* Turn LED3 off: Transfer in transmission process is correct */
BSP_LED_Off(LED3);
#endif /* MASTER_BOARD */
/*##-4- Compare the sent and received buffers ##############################*/
if(Buffercmp((uint8_t*)aTxBuffer,(uint8_t*)aRxBuffer,RXBUFFERSIZE))
{
/* Processing Error */
Error_Handler();
}
/* Infinite loop */
while (1)
{
}
}
void BQ27542_blockWrite(unsigned char *buffer, unsigned int length)
{
if(HAL_I2C_Master_Transmit(&hi2c1, bq27542_ADDR, buffer, length, 0xFFFF) != HAL_OK){
BQ27542_error();
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
sAPP_PIXARM_READ_DATA* data;
sAPP_PIXARM_READ_REQ* req;
uint8_t iter = 1;
HAL_StatusTypeDef stat;
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure LED4, LED5 and LED6 */
BSP_LED_Init(LED4);
BSP_LED_Init(LED5);
BSP_LED_Init(LED6);
BSP_LED_Init(LED3);
/* Configure the system clock to 168 MHz */
SystemClock_Config();
/*##-1- Configure the I2C peripheral ######################################*/
I2cHandle.Instance = I2Cx;
I2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
I2cHandle.Init.ClockSpeed = 400000;
I2cHandle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
I2cHandle.Init.DutyCycle = I2C_DUTYCYCLE_16_9;
I2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
I2cHandle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
I2cHandle.Init.OwnAddress1 = I2C_ADDRESS;
I2cHandle.Init.OwnAddress2 = 0x0;
if(HAL_I2C_Init(&I2cHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
Test_Log_Init();
/* Configure USER Button */
BSP_PB_Init(BUTTON_KEY, BUTTON_MODE_GPIO);
/* Wait for USER Button press before starting the Communication */
while (BSP_PB_GetState(BUTTON_KEY) != 1)
{
}
/* Wait for USER Button release before starting the Communication */
while (BSP_PB_GetState(BUTTON_KEY) != 0)
{
}
BSP_LED_On(LED3);
BSP_LED_Off(LED6);
BSP_LED_Off(LED4);
/* The board sends the message and expects to receive it back */
Test_Log("Starting I2C Handshake.\r\n");
/*##-2- Start the transmission process #####################################*/
/* Timeout is set to 10S */
while(HAL_I2C_Master_Transmit(&I2cHandle, (uint16_t)I2C_ADDRESS, aTxBuffer, TXBUFFERSIZE, 10000)!= HAL_OK)
{
/* Error_Handler() function is called when Timeout error occurs.
When Acknowledge failure occurs (Slave don't acknowledge it's address)
Master restarts communication */
if (HAL_I2C_GetError(&I2cHandle) != HAL_I2C_ERROR_AF)
{
Error_Handler();
}
}
/*##-3- Put I2C peripheral in reception process ############################*/
/* Timeout is set to 10S */
while((stat = HAL_I2C_Master_Receive(&I2cHandle, (uint16_t)I2C_ADDRESS, aRxBuffer, RXBUFFERSIZE, 10000)) != HAL_OK)
{
/* Error_Handler() function is called when Timeout error occurs.
When Acknowledge failure occurs (Slave don't acknowledge it's address)
Master restarts communication */
if (HAL_I2C_GetError(&I2cHandle) != HAL_I2C_ERROR_AF)
{
Error_Handler();
}
}
/* Turn LED6 on: Transfer in reception process is correct */
BSP_LED_On(LED6);
/*##-4- Compare the sent and received buffers ##############################*/
//if(Buffercmp((uint8_t*)aTxBuffer,(uint8_t*)aRxBuffer,RXBUFFERSIZE))
//{
// /* Processing Error */
// Error_Handler();
//}
Test_Log("Finished I2C Handshaking.\r\n");
req = (sAPP_PIXARM_READ_REQ *) bTxBuffer;
data = (sAPP_PIXARM_READ_DATA *) aRxBuffer;
/* Infinite loop */
while (1)
{
/*##-2- Start the transmission process #####################################*/
/* Timeout is set to 10S */
Test_Log("Iteration %d\r\n", iter);
while((stat = HAL_I2C_Master_Transmit(&I2cHandle, (uint16_t)I2C_ADDRESS, bTxBuffer, TXBUFFERSIZE, 10000)) != HAL_OK)
{
/* Error_Handler() function is called when Timeout error occurs.
When Acknowledge failure occurs (Slave don't acknowledge it's address)
Master restarts communication */
if (HAL_I2C_GetError(&I2cHandle) != HAL_I2C_ERROR_AF)
{
Test_Log("Error during Transmission. Transmission Error no. %d\r\n", stat);
Test_Log("Error During Transmission.\r\n");
Error_Handler();
}
//Test_Log("Transmit Failed. Error no. %d. Trying again.\r\n", stat);
}
while (HAL_I2C_GetState(&I2cHandle) != HAL_I2C_STATE_READY)
{
}
req->rotation_absolute = 0;
/*##-3- Put I2C peripheral in reception process ############################*/
/* Timeout is set to 10S */
while((stat = HAL_I2C_Master_Receive(&I2cHandle, (uint16_t)I2C_ADDRESS, aRxBuffer, RXBUFFERSIZE, 10000)) != HAL_OK)
{
/* Error_Handler() function is called when Timeout error occurs.
When Acknowledge failure occurs (Slave don't acknowledge it's address)
Master restarts communication */
if (HAL_I2C_GetError(&I2cHandle) != HAL_I2C_ERROR_AF)
{
Test_Log("Error during Reception. Receive Error no. %d\r\n", stat);
Test_Log("Error during Reception. I2C Error no. %d\r\n", HAL_I2C_GetError(&I2cHandle));
Error_Handler();
}
//Test_Log("Receive Failed. Error no. %d. Trying again.\r\n", stat);
}
while (HAL_I2C_GetState(&I2cHandle) != HAL_I2C_STATE_READY)
{
}
// Validate the data
if (data->cmd != 0x04)
{
Test_Log("CMD incorrect on packet. Received %x.\r\n", data->cmd);
}
if (data->x_intensity != 4)
{
Test_Log("X incorrect on packet. Received %d.\r\n", data->x_intensity);
}
if (data->y_intensity != 4)
{
Test_Log("Y incorrect on packet. Received %d.\r\n", data->y_intensity);
}
if (data->z_intensity != 4)
{
Test_Log("Z incorrect on packet. Received %d.\r\n", data->z_intensity);
}
if (data->rotation_absolute != (int16_t) 36000)
{
Test_Log("Rotation in packet was %d.\r\n", data->rotation_absolute);
Test_Log("Replying with same rotation.\r\n");
req->rotation_absolute = data->rotation_absolute;
}
if (data->flag != 0xFF)
{
Test_Log("Flag incorrect on packet. Received %x.\r\n", data->flag);
}
HAL_Delay(100);
iter++;
}
}