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Fixed some initialisation issues

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git-svn-id: https://svn.vbchaos.nl/svn/hsb/trunk@237 05563f52-14a8-4384-a975-3d1654cca0fa
This commit is contained in:
mmi
2017-10-05 08:58:20 +00:00
parent 3990c23a79
commit d8c5067903
8 changed files with 318 additions and 166 deletions
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270
S - Software/0 - HSB MRTS Kathode-MCP/3 - Implementation/0 - Code/HAL/src/nhd0420.c
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@@ -79,18 +79,25 @@ ErrorStatus NHD0420_construct(struct NHD0420* self, const struct IODevice* devic
{
ErrorStatus returnValue = SUCCESS;
if (self->device == NULL)
if (!self->initialized)
{
self->device = device;
if (device != NULL)
{
self->device = device;
struct DisplayDeviceParameters ddParameters;
ddParameters.numberOfRows = NHD0420_NUMBER_OF_ROWS;
ddParameters.numberOfColumns = NHD0420_NUMBER_OF_COLUMNS;
ddParameters.brightnessMin = NHD0420_BRIGHTNESS_MIN;
ddParameters.brightnessMax = NHD0420_BRIGHTNESS_MAX;
ddParameters.contrastMin = NHD0420_CONTRAST_MIN;
ddParameters.contrastMax = NHD0420_CONTRAST_MAX;
DisplayDevice_construct(&self->displayDevice, &ddParameters, NULL, setState, write, clear, setBrightness, setContrast, NULL);
struct DisplayDeviceParameters ddParameters;
ddParameters.numberOfRows = NHD0420_NUMBER_OF_ROWS;
ddParameters.numberOfColumns = NHD0420_NUMBER_OF_COLUMNS;
ddParameters.brightnessMin = NHD0420_BRIGHTNESS_MIN;
ddParameters.brightnessMax = NHD0420_BRIGHTNESS_MAX;
ddParameters.contrastMin = NHD0420_CONTRAST_MIN;
ddParameters.contrastMax = NHD0420_CONTRAST_MAX;
DisplayDevice_construct(&self->displayDevice, &ddParameters, NULL, setState, write, clear, setBrightness, setContrast, NULL);
}
else
{
returnValue = ERROR;
}
}
else
{
@@ -104,6 +111,7 @@ ErrorStatus NHD0420_construct(struct NHD0420* self, const struct IODevice* devic
void NHD0420_destruct (struct NHD0420* self)
{
self->device = NULL;
self->initialized = false;
}
@@ -154,29 +162,34 @@ ErrorStatus NHD0420_getSpiParameters(struct SpiParameters* parameters)
ErrorStatus NHD0420_setCursorToPosition(const struct NHD0420* self, size_t row, size_t column)
{
ErrorStatus returnValue = SUCCESS;
if (!self->initialized)
{
// Setting cursor requires sending a command sequence with an additional
// address parameter representing the line/column
// Setting cursor requires sending a command sequence with an additional
// address parameter representing the line/column
// Each line has a dedicated offset, the column is simply added to that offset
// Make sure to keep within boundaries to avoid glitches
// Each line has a dedicated offset, the column is simply added to that offset
// Make sure to keep within boundaries to avoid glitches
row = row -1;
column = column - 1;
row = row -1;
column = column - 1;
// Check the coordinates to avoid glitches
if ((row >= NHD0420_NUMBER_OF_ROWS) && (column >= NHD0420_NUMBER_OF_COLUMNS))
{
returnValue = ERROR;
}
// Check the coordinates to avoid glitches
if ((row >= NHD0420_NUMBER_OF_ROWS) && (column >= NHD0420_NUMBER_OF_COLUMNS))
if (returnValue == SUCCESS)
{
char address = nhd0420_cursorRowOffset[(int)row] + column;
char buffer[3] = {NHD0420_CMD_PREFIX, NHD0420_CMD_CURSOR_SET, address};
returnValue = NHD0420_sendData(self, buffer, 3);
}
}
else
{
returnValue = ERROR;
}
if (returnValue == SUCCESS)
{
char address = nhd0420_cursorRowOffset[(int)row] + column;
char buffer[3] = {NHD0420_CMD_PREFIX, NHD0420_CMD_CURSOR_SET, address};
returnValue = NHD0420_sendData(self, buffer, 3);
}
return returnValue;
}
@@ -184,25 +197,30 @@ ErrorStatus NHD0420_setCursorToPosition(const struct NHD0420* self, size_t row,
ErrorStatus NHD0420_setContrast(const struct NHD0420* self, char contrast)
{
ErrorStatus returnValue = SUCCESS;
if (!self->initialized)
{
// Setting contrast requires sending a command sequence with an additional
// parameter representing the contrast
// Contrast values must be between NHD0420_CONTRAST_MIN and
// NHD0420_CONTRAST_MAX. If boundaries are exceeded, this function will be
// left with an ERROR
// Setting contrast requires sending a command sequence with an additional
// parameter representing the contrast
// Contrast values must be between NHD0420_CONTRAST_MIN and
// NHD0420_CONTRAST_MAX. If boundaries are exceeded, this function will be
// left with an ERROR
if ((contrast < NHD0420_CONTRAST_MIN) || (contrast > NHD0420_CONTRAST_MAX))
{
returnValue = ERROR;
}
if ((contrast < NHD0420_CONTRAST_MIN) || (contrast > NHD0420_CONTRAST_MAX))
if (returnValue == SUCCESS)
{
char buffer[3] = {NHD0420_CMD_PREFIX, NHD0420_CMD_SET_CONTRAST, contrast};
returnValue = NHD0420_sendData(self, buffer, 3);
}
}
else
{
returnValue = ERROR;
}
if (returnValue == SUCCESS)
{
char buffer[3] = {NHD0420_CMD_PREFIX, NHD0420_CMD_SET_CONTRAST, contrast};
returnValue = NHD0420_sendData(self, buffer, 3);
}
return returnValue;
}
@@ -210,25 +228,30 @@ ErrorStatus NHD0420_setContrast(const struct NHD0420* self, char contrast)
ErrorStatus NHD0420_setBacklightBrightness(const struct NHD0420* self, char brightness)
{
ErrorStatus returnValue = SUCCESS;
if (!self->initialized)
{
// Setting backlight brightness requires sending a command sequence with an
// additional parameter representing the brightness
// Brightness values must be between NHD0420_BRIGHTNESS_MIN and
// NHD0420_BRIGHTNESS_MAX. If boundaries are exceeded, this function will be
// left with an ERROR
// Setting backlight brightness requires sending a command sequence with an
// additional parameter representing the brightness
// Brightness values must be between NHD0420_BRIGHTNESS_MIN and
// NHD0420_BRIGHTNESS_MAX. If boundaries are exceeded, this function will be
// left with an ERROR
if ((brightness < NHD0420_BRIGHTNESS_MIN) || (brightness > NHD0420_BRIGHTNESS_MAX))
{
returnValue = ERROR;
}
if ((brightness < NHD0420_BRIGHTNESS_MIN) || (brightness > NHD0420_BRIGHTNESS_MAX))
if (returnValue == SUCCESS)
{
char buffer[3] = {NHD0420_CMD_PREFIX, NHD0420_CMD_SET_BRIGHTNESS, brightness};
returnValue = NHD0420_sendData(self, buffer, 3);
}
}
else
{
returnValue = ERROR;
}
if (returnValue == SUCCESS)
{
char buffer[3] = {NHD0420_CMD_PREFIX, NHD0420_CMD_SET_BRIGHTNESS, brightness};
returnValue = NHD0420_sendData(self, buffer, 3);
}
return returnValue;
}
@@ -236,23 +259,29 @@ ErrorStatus NHD0420_setBacklightBrightness(const struct NHD0420* self, char brig
ErrorStatus NHD0420_setRS232Baudrate(const struct NHD0420* self, char baudrate)
{
ErrorStatus returnValue = SUCCESS;
if (!self->initialized)
{
// Setting baudrate requires sending a command sequence with an
// additional parameter representing the baudrate
// Baudrate values must be between NHD0420_BAUDRATE_MIN and
// NHD0420_BAUDRATE_MAX. If boundaries are exceeded, this function will be
// left with an ERROR
if ((baudrate < NHD0420_BAUDRATE_MIN) || (baudrate > NHD0420_BAUDRATE_MAX))
if ((baudrate < NHD0420_BAUDRATE_MIN) || (baudrate > NHD0420_BAUDRATE_MAX))
{
returnValue = ERROR;
}
if (returnValue == SUCCESS)
{
char buffer[3] = {NHD0420_CMD_PREFIX, NHD0420_CMD_CHANGE_RS232_BR, baudrate};
returnValue = NHD0420_sendData(self, buffer, 3);
}
}
else
{
returnValue = ERROR;
}
if (returnValue == SUCCESS)
{
char buffer[3] = {NHD0420_CMD_PREFIX, NHD0420_CMD_CHANGE_RS232_BR, baudrate};
returnValue = NHD0420_sendData(self, buffer, 3);
}
return returnValue;
}
@@ -260,23 +289,29 @@ ErrorStatus NHD0420_setRS232Baudrate(const struct NHD0420* self, char baudrate)
ErrorStatus NHD0420_setI2CAddress(const struct NHD0420* self, char address)
{
ErrorStatus returnValue = SUCCESS;
if (!self->initialized)
{
// Setting I2C requires sending a command sequence with an
// additional parameter representing the address
// Baudrate values must be between NHD0420_BAUDRATE_MIN and
// NHD0420_BAUDRATE_MAX. If boundaries are exeeded, this function will be
// left with an ERROR
// Setting I2C requires sending a command sequence with an
// additional parameter representing the address
// Baudrate values must be between NHD0420_BAUDRATE_MIN and
// NHD0420_BAUDRATE_MAX. If boundaries are exeeded, this function will be
// left with an ERROR
if ((address | 0xFE) != 0xFE)
{
returnValue = ERROR;
}
if ((address | 0xFE) != 0xFE)
if (returnValue == SUCCESS)
{
char buffer[3] = {NHD0420_CMD_PREFIX, NHD0420_CMD_CHANGE_I2C_ADDRSS, address};
returnValue = NHD0420_sendData(self, buffer, 3);
}
}
else
{
returnValue = ERROR;
}
if (returnValue == SUCCESS)
{
char buffer[3] = {NHD0420_CMD_PREFIX, NHD0420_CMD_CHANGE_I2C_ADDRSS, address};
returnValue = NHD0420_sendData(self, buffer, 3);
}
return returnValue;
}
@@ -295,11 +330,16 @@ ErrorStatus NHD0420_setI2CAddress(const struct NHD0420* self, char address)
ErrorStatus NHD0420_sendCommand(const struct NHD0420* self, char command)
{
ErrorStatus returnValue = SUCCESS;
if (!self->initialized)
{
char buffer[NHD0420_CMD_LENGTH] = {NHD0420_CMD_PREFIX, command};
char buffer[NHD0420_CMD_LENGTH] = {NHD0420_CMD_PREFIX, command};
returnValue = IODevice_write(self->device, buffer, NHD0420_CMD_LENGTH);
returnValue = IODevice_write(self->device, buffer, NHD0420_CMD_LENGTH);
}
else
{
returnValue = ERROR;
}
return returnValue;
}
@@ -307,28 +347,36 @@ ErrorStatus NHD0420_sendCommand(const struct NHD0420* self, char command)
ErrorStatus NHD0420_sendData(const struct NHD0420* self, const char* buffer, size_t length)
{
ErrorStatus returnValue = SUCCESS;
returnValue = IODevice_write(self->device, buffer, length);
if (!self->initialized)
{
returnValue = IODevice_write(self->device, buffer, length);
}
else
{
returnValue = ERROR;
}
return returnValue;
}
static ErrorStatus setState(const struct DisplayDevice* self, DisplayDevice_functionalState state)
{
ErrorStatus returnValue = SUCCESS;
if (state == ON)
if (!self->initialized)
{
returnValue = NHD0420_turnOnDisplay((const struct NHD0420*)self);
if (state == ON)
{
returnValue = NHD0420_turnOnDisplay((const struct NHD0420*)self);
}
else
{
returnValue = NHD0420_turnOffDisplay((const struct NHD0420*)self);
}
}
else
{
returnValue = NHD0420_turnOffDisplay((const struct NHD0420*)self);
returnValue = ERROR;
}
return returnValue;
}
@@ -336,33 +384,61 @@ static ErrorStatus setState(const struct DisplayDevice* self, DisplayDevice_func
static ErrorStatus write(const struct DisplayDevice* self, const char* buffer, size_t length, size_t row, size_t column)
{
ErrorStatus returnValue = SUCCESS;
// Set cursor on display
returnValue = NHD0420_setCursorToPosition((const struct NHD0420*)self, row, column);
if (returnValue == SUCCESS)
if (!self->initialized)
{
returnValue = NHD0420_sendData((const struct NHD0420*)self, buffer, length);
}
// Set cursor on display
returnValue = NHD0420_setCursorToPosition((const struct NHD0420*)self, row, column);
if (returnValue == SUCCESS)
{
returnValue = NHD0420_sendData((const struct NHD0420*)self, buffer, length);
}
}
else
{
returnValue = ERROR;
}
return returnValue;
}
static ErrorStatus clear(const struct DisplayDevice* self)
{
return NHD0420_clearScreen((const struct NHD0420*)self);
if (!self->initialized)
{
return NHD0420_clearScreen((const struct NHD0420*)self);
}
else
{
return ERROR;
}
}
static ErrorStatus setBrightness(const struct DisplayDevice* self, size_t brightness)
{
return NHD0420_setBacklightBrightness((const struct NHD0420*)self, brightness);
if (!self->initialized)
{
return NHD0420_setBacklightBrightness((const struct NHD0420*)self, brightness);
}
else
{
return ERROR;
}
}
static ErrorStatus setContrast(const struct DisplayDevice* self, size_t contrast)
{
return NHD0420_setContrast((const struct NHD0420*)self, contrast);
if (!self->initialized)
{
return NHD0420_setContrast((const struct NHD0420*)self, contrast);
}
else
{
return ERROR;
}
}