/**
* @brief Read settings from SPI FLASH
* @param None
* @retval None
*/
static ErrorStatus prvReadSettingsFromSpiFlash()
{
/* Read to a temporary settings variable */
CANSettings settings = {0};
if (SPI_FLASH_ReadBufferDMA((uint8_t*)&settings, FLASH_ADR_CAN1_SETTINGS, sizeof(CANSettings), 2000) == SUCCESS)
{
/* Check to make sure the data is reasonable */
if (IS_CAN_CONNECTION(settings.connection) &&
IS_CAN_TERMINATION(settings.termination) &&
IS_CAN_BIT_RATE(settings.bitRate))
{
/* Try to take the settings semaphore */
if (xSettingsSemaphore != 0 && xSemaphoreTake(xSettingsSemaphore, 100) == pdTRUE)
{
/* Copy to the real settings variable */
memcpy(&prvCurrentSettings, &settings, sizeof(CANSettings));
prvCurrentSettings.connection = CANConnection_Disconnected;
prvCurrentSettings.termination = CANTermination_Disconnected;
can1UpdateWithNewSettings();
/* Give back the semaphore now that we are done */
xSemaphoreGive(xSettingsSemaphore);
return SUCCESS;
}
else
{
/* Something went wrong as we couldn't take the semaphore */
return ERROR;
}
}
else
return ERROR;
}
else
return ERROR;
}
/**
* @brief
* @param Event: The event that caused the callback
* @param ButtonId: The button ID that the event happened on
* @retval None
*/
void guiCan1BitRateSelectionCallback(GUITouchEvent Event, uint32_t ButtonId)
{
if (Event == GUITouchEvent_Up)
{
CANBitRate newBitRate;
switch (ButtonId)
{
case GUIButtonId_Can1BitRate10k:
GUIButton_SetTextForRow(GUIButtonId_Can1BitRate, "10kbit/s", 1);
newBitRate = CANBitRate_10k;
break;
case GUIButtonId_Can1BitRate20k:
GUIButton_SetTextForRow(GUIButtonId_Can1BitRate, "20kbit/s", 1);
newBitRate = CANBitRate_20k;
break;
case GUIButtonId_Can1BitRate50k:
GUIButton_SetTextForRow(GUIButtonId_Can1BitRate, "50kbit/s", 1);
newBitRate = CANBitRate_50k;
break;
case GUIButtonId_Can1BitRate100k:
GUIButton_SetTextForRow(GUIButtonId_Can1BitRate, "100kbit/s", 1);
newBitRate = CANBitRate_100k;
break;
case GUIButtonId_Can1BitRate125k:
GUIButton_SetTextForRow(GUIButtonId_Can1BitRate, "125kbit/s", 1);
newBitRate = CANBitRate_125k;
break;
case GUIButtonId_Can1BitRate250k:
GUIButton_SetTextForRow(GUIButtonId_Can1BitRate, "250kbit/s", 1);
newBitRate = CANBitRate_250k;
break;
case GUIButtonId_Can1BitRate500k:
GUIButton_SetTextForRow(GUIButtonId_Can1BitRate, "500kbit/s", 1);
newBitRate = CANBitRate_500k;
break;
case GUIButtonId_Can1BitRate1M:
GUIButton_SetTextForRow(GUIButtonId_Can1BitRate, "1Mbit/s", 1);
newBitRate = CANBitRate_1M;
break;
default:
newBitRate = 0;
break;
}
CANSettings* settings = can1GetSettings();
SemaphoreHandle_t* settingsSemaphore = can1GetSettingsSemaphore();
/* Try to take the settings semaphore */
if (newBitRate != 0 && *settingsSemaphore != 0 && xSemaphoreTake(*settingsSemaphore, 100) == pdTRUE)
{
settings->bitRate = newBitRate;
can1UpdateWithNewSettings();
/* Restart the channel if it was on */
if (settings->connection == CANConnection_Connected)
can1Restart();
/* Give back the semaphore now that we are done */
xSemaphoreGive(*settingsSemaphore);
}
/* Hide the pop out */
GUIContainer_Hide(GUIContainerId_PopoutCan1BitRate);
GUI_SetActiveLayer(GUILayer_0);
GUIButton_SetLayer(GUIButtonId_Can1BitRate, GUILayer_0);
GUIButton_SetState(GUIButtonId_Can1BitRate, GUIButtonState_Disabled);
/* Refresh the main text box */
guiCan1ManageMainTextBox(true);
}
}
