/**
* @brief Write the next message in flash to the main text box
* @param None
* @retval None
*/
void guiCan1WriteNextCanMessageFromFlashToMainTextBox(const uint32_t constStartFlashAddress, uint32_t currentWriteAddress,
CANSettings* pSettings, SemaphoreHandle_t* pSemaphore)
{
CANMessage message = {0};
/* Try to take the settings semaphore */
if (*pSemaphore != 0 && xSemaphoreTake(*pSemaphore, 100) == pdTRUE)
{
/* Get the ID */
uint8_t* pData = (uint8_t*)&message.id;
SPI_FLASH_ReadBufferDMA(pData, pSettings->readAddress, sizeof(message.id), 100);
pSettings->readAddress += sizeof(message.id);
/* Get the DLC */
pData = (uint8_t*)&message.dlc;
SPI_FLASH_ReadBufferDMA(pData, pSettings->readAddress, sizeof(message.dlc), 100);
pSettings->readAddress += sizeof(message.dlc);
/* Get the amount of data that is specified in the DLC */
pData = (uint8_t*)&message.data;
SPI_FLASH_ReadBufferDMA(pData, pSettings->readAddress, message.dlc, 100);
pSettings->readAddress += message.dlc;
/* Give back the semaphore now that we are done */
xSemaphoreGive(*pSemaphore);
/* Insert the message in the message list */
prvInsertMessageInList(message);
/* Update the display */
prvWriteMessageListToDisplay();
}
}
/**
* @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 Read settings from SPI FLASH
* @param None
* @retval None
*/
static ErrorStatus prvReadSettingsFromSpiFlash()
{
/* Read to a temporary settings variable */
UARTSettings settings = {0};
if (SPI_FLASH_ReadBufferDMA((uint8_t*)&settings, FLASH_ADR_UART1_SETTINGS, sizeof(UARTSettings), 2000) == SUCCESS)
{
/* Check to make sure the data is reasonable */
if (IS_UART_CONNECTION(settings.connection) &&
IS_UART_BAUDRATE(settings.baudRate) &&
IS_UART_POWER(settings.power) &&
IS_UART_MODE_APP(settings.mode) &&
IS_GUI_TEXT_FORMAT(settings.textFormat))
{
/* Try to take the settings semaphore */
if (xSettingsSemaphore != 0 && xSemaphoreTake(xSettingsSemaphore, 100) == pdTRUE)
{
/* Copy to the real settings variable */
memcpy(&prvCurrentSettings, &settings, sizeof(UARTSettings));
prvCurrentSettings.power = UARTPower_5V;
prvCurrentSettings.mode = UARTMode_TX_RX;
uart1UpdateWithNewSettings();
/* 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;
}