static void displayAGCVariables(int RSL)
{
// Display AGC Variables for Testing / Troubleshooting
//GL_SetTextColor(LCD_COLOR_RED);
//GL_SetBackColor(LCD_COLOR_BLACK);
//char test2[7];
//intToCommaString((int)AGC_Mag, test2, 7);
//GL_PrintString(75, 80, test2, 0);
GL_SetFont(GL_FONTOPTION_8x16);
GL_SetTextColor(LCD_COLOR_RED);
GL_SetBackColor(LCD_COLOR_BLACK);
char test3[3];
intToCommaString(PGAGain, test3, 3);
GL_PrintString(110, 80, test3, 0);
GL_SetTextColor(LCD_COLOR_RED);
GL_SetBackColor(LCD_COLOR_BLACK);
char test4[5];
intToCommaString(AGC_Signal, test4, 5);
GL_PrintString(180, 80, test4, 0);
GL_SetTextColor(LCD_COLOR_RED);
GL_SetBackColor(LCD_COLOR_BLACK);
char test5[5];
intToCommaString(RSL, test5, 5);
GL_PrintString(277, 80, test5, 0);
}
static void displayFrequencyOffsetText(_Bool force)
{
// Update the frequency offset displayed (text):
static double oldSelectedFreq = -1;
static double old_m_SQOpen = -1;
if (force || oldSelectedFreq != NCO_Frequency || old_m_SQOpen != m_SQOpen) {
oldSelectedFreq = NCO_Frequency;
old_m_SQOpen = m_SQOpen;
int textY = FFT_HEIGHT - 18;
int numberX = 4 * CHARACTER_WIDTH;
int labelX = 1;
GL_SetFont(GL_FONTOPTION_8x16);
GL_SetBackColor(LCD_COLOR_BLACK);
GL_SetTextColor(LCD_COLOR_WHITE);
GL_PrintString(labelX, textY, "AF", 0);
// Display location on label.
if (m_SQOpen == 0)
GL_SetTextColor(LCD_COLOR_RED);
else
GL_SetTextColor(LCD_COLOR_GREEN);
char number[MAX_FREQ_DIGITS + 1];
intToCommaString((int) NCO_Frequency, number, MAX_FREQ_DIGITS + 1);
GL_PrintString(numberX, textY, number, 0);
}
}
static void insideDrawHandler(GL_PageControls_TypeDef* pThis, _Bool force, int relX, int relY)
{
// Setup impossible values (at least for the idx)
static int lastOptIdx = -1;
static int16_t lastOptValue = -30215; // Random-ish number
int selOptIdx = Options_GetSelectedOption();
int16_t value = Options_GetValue(selOptIdx);
// Redraw only when needed:
_Bool redrawName = force || selOptIdx != lastOptIdx;
_Bool redrawValue = force || redrawName || lastOptValue != value;
// Change name display
if (redrawName) {
GL_SetFont(GL_FONTOPTION_8x12Bold);
GL_SetTextColor(BIGBUTTON_COLOR_NORMAL_TEXT);
GL_SetBackColor(BIGBUTTON_COLOR_NORMAL_BACK);
GL_PrintString(relX + OFFSETX_OPTION, relY + OFFSETY_OPTION, Options_GetName(selOptIdx), 0);
lastOptIdx = selOptIdx;
}
// Change value display
if (redrawValue) {
#define MAX_LEN 10
char numberStr[MAX_LEN];
intToCommaString(value, numberStr, MAX_LEN);
GL_SetFont(GL_FONTOPTION_8x12Bold);
GL_SetTextColor(BIGBUTTON_COLOR_EDIT_TEXT);
GL_SetBackColor(BIGBUTTON_COLOR_EDIT_BACK);
GL_PrintString(relX + OFFSETX_VALUE, relY + OFFSETY_VALUE, numberStr, 0);
lastOptValue = value;
}
}
static void WidgetFFT_DrawHandler(GL_PageControls_TypeDef* pThis, _Bool force)
{
// Bail if nothing to draw.
if (!force && !DSP_Flag) {
return;
}
int x = pThis->objCoordinates.MinX;
int y = pThis->objCoordinates.MinY;
/*
* Calculate the data to draw:
* - Use FFT_Magnitude[0..127] which is 0 to +4kHz of frequency
* (don't use last half which is -4kHz to 0kHz)
* - Scale the values up to fill a wider portion of the display.
* (by averaging with neighboring data). This helps allow the
* user to tap on frequencies to select them with better resolution.
* - Average with "old" data from the previous pass to give it an
* effective time-based smoothing (as in, display does not change
* as abruptly as it would when using new data samples each time).
*/
//uint8_t FFT_Display[256];
static uint8_t FFT_Output[128]; // static because use last rounds data now.
// TODO: Where are all these FFT constants from?
for (int16_t j = 0; j < 128; j++) {
// Changed for getting right display with SR6.3
// Convert from Q15 (fractional numeric representation) into integer
FFT_Output[j] = (uint8_t) (6 * log((float32_t) (FFT_Magnitude[j] + 1)));
if (FFT_Output[j] > 64)
FFT_Output[j] = 64;
FFT_Display[2 * j] = FFT_Output[j];
// Note that calculation uses values from last pass through.
FFT_Display[2 * j + 1] = 0;
//FFT_Display[2 * j + 1] = (FFT_Output[j] + FFT_Output[j + 1]) / 2;
}
/*
* Display the FFT
* - Drop the bottom 8, and top 8 frequency-display bins to discard
* noisy sections near band edges due to filtering.
*/
float selectedFreqX = (float) (NCO_Frequency - 125) / 15.625;
if (selectedFreqX < 0) {
selectedFreqX = 0;
}
// Draw the FFT using direct memory writes (fast).
LCD_SetDisplayWindow(x, y, FFT_HEIGHT, FFT_WIDTH);
LCD_WriteRAM_PrepareDir(LCD_WriteRAMDir_Down);
for (int x = 0; x < FFT_WIDTH; x++) {
// Plot this column of the FFT.
for (int y = 0; y < FFT_HEIGHT; y++) {
// Draw red line for selected frequency
if (x == (int) selectedFreqX) {
// Leave some white at the top
if (y <= SELFREQ_ADJ) {
LCD_WriteRAM(LCD_COLOR_WHITE);
} else {
LCD_WriteRAM(LCD_COLOR_RED);
}
}
// Draw data
else if (FFT_HEIGHT - y < FFT_Display[x + 8]) {
LCD_WriteRAM(LCD_COLOR_BLUE);
}
// Draw background
else {
LCD_WriteRAM(LCD_COLOR_WHITE);
}
}
}
// Update the frequency offset displayed (text):
static double oldSelectedFreq = -1;
if (force || oldSelectedFreq != NCO_Frequency) {
oldSelectedFreq = NCO_Frequency;
int textY = y + FFT_HEIGHT + TEXT_OFFSET_BELOW_FFT;
int numberX = x + FFT_WIDTH - MAX_FREQ_DIGITS * CHARACTER_WIDTH;
int labelX = numberX - CHARACTER_WIDTH * 8; // 7=# letters in label w/ a space
GL_SetFont(GL_FONTOPTION_8x16);
GL_SetBackColor(LCD_COLOR_BLACK);
GL_SetTextColor(LCD_COLOR_WHITE);
GL_PrintString(labelX, textY, "Offset:", 0);
// Display location on label.
GL_SetTextColor(LCD_COLOR_RED);
char number[MAX_FREQ_DIGITS + 1];
intToCommaString((int)NCO_Frequency, number, MAX_FREQ_DIGITS + 1);
GL_PrintString(numberX, textY, number, 0);
}
DSP_Flag = 0; // added per Charley
}