void renderLCDFrame(void)
{
// Clear the screen
drawFill(COLOR_DARKGRAY);
// Render V references
fontsDrawString(245, 27, COLOR_BLACK, &dejaVuSansBold9ptFontInfo, "3.5V");
fontsDrawString(244, 26, COLOR_WHITE, &dejaVuSansBold9ptFontInfo, "3.5V");
fontsDrawString(245, 195, COLOR_BLACK, &dejaVuSansBold9ptFontInfo, "0.0V");
fontsDrawString(244, 194, COLOR_WHITE, &dejaVuSansBold9ptFontInfo, "0.0V");
// Div settings
fontsDrawString( 10, 10, COLOR_BLACK, &dejaVuSansBold9ptFontInfo, "~100ms/Div");
fontsDrawString( 9, 9, COLOR_WHITE, &dejaVuSansBold9ptFontInfo, "~100ms/Div");
fontsDrawString( 95, 10, COLOR_BLACK, &dejaVuSansBold9ptFontInfo, "500mV/Div");
fontsDrawString( 94, 9, COLOR_WHITE, &dejaVuSansBold9ptFontInfo, "500mV/Div");
// Clear the ADC output level just in case
drawRectangleFilled(175, 5, 250, 18, COLOR_DARKGRAY);
// Render the channel text
fontsDrawString( 25, 220, COLOR_BLACK, &dejaVuSansBold9ptFontInfo, "P1.4 (Analog)");
fontsDrawString( 24, 219, adcEnabled ? COLOR_YELLOW : COLOR_MEDIUMGRAY, &dejaVuSansBold9ptFontInfo, "P1.4 (Analog)");
fontsDrawString(135, 220, COLOR_BLACK, &dejaVuSansBold9ptFontInfo, "P2.0 (Digital)");
fontsDrawString(134, 219, digEnabled ? COLOR_GREEN : COLOR_MEDIUMGRAY, &dejaVuSansBold9ptFontInfo, "P2.0 (Digital)");
// ADC Warning
fontsDrawString(245, 80, COLOR_BLACK, &dejaVuSansBold9ptFontInfo, "Warning:");
fontsDrawString(244, 79, COLOR_WHITE, &dejaVuSansBold9ptFontInfo, "Warning:");
fontsDrawString(244, 95, COLOR_WHITE, &dejaVuSans9ptFontInfo, "ADC input");
fontsDrawString(244, 110, COLOR_WHITE, &dejaVuSans9ptFontInfo, "is not 5.0V");
fontsDrawString(244, 125, COLOR_WHITE, &dejaVuSans9ptFontInfo, "tolerant!");
}
void main_page_msg(enum main_page_msg message)
{
drawRectangleFilled(10, 235, 230, 310, COLOR_BLUE);
switch (message) {
case MSG_UNSTABLE : {
drawString(40, 235, COLOR_YELLOW, &verdanabold14ptFontInfo, "stabilising sensor");
break;
}
case MSG_STABLE : {
drawString(10, 235, COLOR_YELLOW, &verdanabold14ptFontInfo, "sensor ready for use");
break;
}
case MSG_BLOW_PREPARE : {
drawString(10, 235, COLOR_YELLOW, &verdanabold14ptFontInfo, "Be ready to blow after");
drawString(10, 262, COLOR_YELLOW, &verdanabold14ptFontInfo, "beep, stop after");
drawString(10, 289, COLOR_YELLOW, &verdanabold14ptFontInfo, "second beep");
break;
}
case MSG_BLOW_START : {
drawString(10, 235, COLOR_YELLOW, &verdanabold14ptFontInfo, "Start blowing gently");
drawString(10, 262, COLOR_YELLOW, &verdanabold14ptFontInfo, "into the device");
break;
}
case MSG_BLOW_STOP : {
drawString(10, 235, COLOR_YELLOW, &verdanabold14ptFontInfo, "Stop blowing");
break;
}
default : {
;
}
}
}
void alphaRefreshScreen(void)
{
uint8_t x, y;
/* Draw keypad */
for (y = 0; y < 6; y++)
{
for (x = 0; x < 5; x++)
{
alphaRenderButton(alphaPage, x, y, false);
}
}
/* Render Text */
drawRectangleFilled(0, 0, lcdGetWidth() - 1, ALPHA_KEYPAD_TOP - (ALPHA_BTN_SPACING * 2), 0xFFFF);
drawString(ALPHA_BTN_SPACING, ALPHA_BTN_SPACING, COLOR_BLACK, &dejaVuSans9ptFontInfo, (char *)&alphaString);
}
void main_page_res(struct main_page_res * values)
{
char r0[16];
char rmax[16];
char rmin[16];
snprintf(r0, sizeof(r0), "%3.4f", (double)values->r0);
snprintf(rmax, sizeof(rmax), "%3.4f", (double)values->rmax);
snprintf(rmin, sizeof(rmin), "%3.4f", (double)values->rmin);
drawRectangleFilled(10, 210, 230, 220, COLOR_BLUE);
drawString(11, 210, COLOR_CYAN, &dejaVuSansBold9ptFontInfo, "Rmax: Rmin: ");
drawString(53, 210, COLOR_WHITE, &dejaVuSansBold9ptFontInfo, rmax);
drawString(160, 210, COLOR_WHITE, &dejaVuSansBold9ptFontInfo, rmin);
drawString(100, 220, COLOR_CYAN, &dejaVuSansBold9ptFontInfo, "Ro: ");
drawString(125, 220, COLOR_WHITE, &dejaVuSansBold9ptFontInfo, r0);
}
void main_page_overview(struct main_page_overview * values)
{
char resistance[16];
char voltage[16];
char current[16];
char temperature[16];
if (values->resistance < 0.0) {
snprintf(resistance, sizeof(resistance), "N/A");
} else {
snprintf(resistance, sizeof(resistance), "%03.4f", (double)values->resistance);
}
snprintf(voltage, sizeof(voltage), "%03.3f", (double)values->voltage);
snprintf(current, sizeof(current), "%03.3f", (double)values->current);
snprintf(temperature, sizeof(temperature), "%03.3f", (double)values->temperature);
drawRectangleFilled(170, 120, 240, 190, COLOR_BLUE);
drawString(170, 120, COLOR_WHITE, &dejaVuSansBold9ptFontInfo, resistance);
drawString(170, 140, COLOR_WHITE, &dejaVuSansBold9ptFontInfo, voltage);
drawString(170, 160, COLOR_WHITE, &dejaVuSansBold9ptFontInfo, current);
drawString(170, 180, COLOR_WHITE, &dejaVuSansBold9ptFontInfo, temperature);
}
char* alphaShowDialogue(void)
{
char result;
/* These need to be instantiated here since the width and height of
the lcd is retrieved dynamically depending on screen orientation */
alphaBtnX[0] = ALPHA_COL1_LEFT;
alphaBtnX[1] = ALPHA_COL2_LEFT;
alphaBtnX[2] = ALPHA_COL3_LEFT;
alphaBtnX[3] = ALPHA_COL4_LEFT;
alphaBtnX[4] = ALPHA_COL5_LEFT;
alphaBtnY[0] = ALPHA_ROW1_TOP;
alphaBtnY[1] = ALPHA_ROW2_TOP;
alphaBtnY[2] = ALPHA_ROW3_TOP;
alphaBtnY[3] = ALPHA_ROW4_TOP;
alphaBtnY[4] = ALPHA_ROW5_TOP;
alphaBtnY[5] = ALPHA_ROW6_TOP;
/* Initialise the string buffer */
memset(&alphaString[0], 0, sizeof(alphaString));
alphaString_ptr = alphaString;
alphaPage = 0;
/* Draw the background and render the buttons */
drawFill(COLOR_WHITE);
drawRectangleFilled(0, ALPHA_KEYPAD_TOP - ALPHA_BTN_SPACING, lcdGetWidth() - 1, lcdGetHeight() - 1, COLOR_DARKGRAY);
drawLine(0, (ALPHA_KEYPAD_TOP - ALPHA_BTN_SPACING) + 1, lcdGetWidth() - 1, (ALPHA_KEYPAD_TOP - ALPHA_BTN_SPACING) + 1, COLOR_LIGHTGRAY);
alphaRefreshScreen();
/* Capture results until the 'OK' button is pressed */
while(1)
{
result = alphaHandleTouchEvent();
if (result == '>') return (char *)&alphaString;
}
}
void renderLCDGrid(void)
{
if ((!adcEnabled) && (!digEnabled))
{
return;
}
// Redraw the grid
drawRectangle(9, 24, 236, 201, COLOR_LIGHTGRAY);
drawRectangleFilled(10, 25, 235, 200, COLOR_BLACK);
// Horizontal lines
drawLine(10, 50, 235, 50, COLOR_DARKERGRAY);
drawLine(10, 75, 235, 75, COLOR_DARKERGRAY);
drawLine(10, 100, 235, 100, COLOR_DARKERGRAY);
drawLine(10, 125, 235, 125, COLOR_DARKERGRAY);
drawLine(10, 150, 235, 150, COLOR_DARKERGRAY);
drawLine(10, 175, 235, 175, COLOR_DARKERGRAY);
// Vertical lines
drawLine( 35, 25, 35, 200, COLOR_DARKERGRAY);
drawLine( 60, 25, 60, 200, COLOR_DARKERGRAY);
drawLine( 85, 25, 85, 200, COLOR_DARKERGRAY);
drawLine(110, 25, 110, 200, COLOR_DARKERGRAY);
drawLine(135, 25, 135, 200, COLOR_DARKERGRAY);
drawLine(160, 25, 160, 200, COLOR_DARKERGRAY);
drawLine(185, 25, 185, 200, COLOR_DARKERGRAY);
drawLine(210, 25, 210, 200, COLOR_DARKERGRAY);
// Render the individual data points
uint32_t counter;
for (counter = 0; counter < 9; counter++)
{
// Draw historical data
uint32_t arrayPosition = 9 - counter;
// Draw analog data points (Yellow)
if (adcEnabled)
{
drawLine(10 + counter * 25, adcValToPixel(adcBuffer[arrayPosition]), 10 + (counter + 1) * 25, adcValToPixel(adcBuffer[arrayPosition - 1]), COLOR_YELLOW);
}
// Draw digital data points (Green)
if (digEnabled)
{
drawLine(10 + counter * 25, adcValToPixel(digBuffer[arrayPosition]), 10 + (counter + 1) * 25, adcValToPixel(digBuffer[arrayPosition - 1]), COLOR_GREEN);
}
}
// Render ADC value in text if present
if (adcEnabled)
{
char text[10];
// Assuming 3.3V supply and 8-bit ADC values, 1 unit = 12.89mV (3300/256)
sprintf(text, "%u.%u V", ((adcBuffer[0] * 1289) / 100) / 1000, ((adcBuffer[0] * 1294) / 100) % 1000);
// Clear the previous text
drawRectangleFilled(175, 5, 250, 18, COLOR_DARKGRAY);
// Render the latest value in mV
fontsDrawString(180, 10, COLOR_BLACK, &dejaVuSansBold9ptFontInfo, text);
fontsDrawString(179, 9, COLOR_YELLOW, &dejaVuSansBold9ptFontInfo, text);
}
}
