EmbeddedArtists AB
Production Test Program (PTP) for the LPC4088 Experiment Base Board
Dependencies: EALib I2S LM75B SDFileSystem mbed
Diff: main.cpp
- Revision:
- 1:47680ec5d783
- Parent:
- 0:0d5190d379d3
- Child:
- 2:2f4b7535ceb3
--- a/main.cpp Mon Aug 25 13:15:27 2014 +0000
+++ b/main.cpp Wed Aug 27 14:24:59 2014 +0000
@@ -11,18 +11,72 @@
#include "TextLCD.h"
#include "DmTftHX8353C.h"
#include "BubbleDemo.h"
+#include "AR1021I2C.h"
+#include "Graphics.h"
+
+#include "LcdController.h"
+#include "EaLcdBoardGPIO.h"
+#include "sdram.h"
/******************************************************************************
* Typedefs and defines
*****************************************************************************/
+#define ACC_XMIN (1<<0)
+#define ACC_XMAX (1<<1)
+#define ACC_YMIN (1<<2)
+#define ACC_YMAX (1<<3)
+#define ACC_ZMIN (1<<4)
+#define ACC_ZMAX (1<<5)
+
+#define ACC_MIN_LIMIT (-50)
+#define ACC_MAX_LIMIT ( 50)
+
#define BUTTON_PRESSED 0
#define BUTTON_RELEASED 1
#define LED_ON 0
#define LED_OFF 1
-#define handleError(__a, __b) printf("Error: %s\n", (__b)); mbed_die()
+#if 0
+ // Enters eternal loop
+ #define handleError(__a, __b) do { \
+ printf("Error " #__a ": %s\n", (__b)); \
+ resetLEDs(); \
+ ledRed = LED_ON; \
+ ledGreen = LED_OFF; \
+ ledBlue = LED_OFF; \
+ mbed_die(); \
+ } while(0)
+
+ #define showTestResult() do {} while(0) // Never used in this setup
+#else
+ bool allTestsPassed = true;
+ // Leaves error handling to the end of the program
+ #define handleError(__a, __b) do { \
+ printf("Error " #__a ": %s\n", (__b)); \
+ resetLEDs(); \
+ *ledRed = LED_ON; \
+ *ledGreen = LED_OFF; \
+ *ledBlue = LED_OFF; \
+ allTestsPassed = false; \
+ return; \
+ } while(0)
+
+ #define showTestResult() do { \
+ resetLEDs(); \
+ *ledRed = LED_OFF; \
+ *ledGreen = LED_OFF; \
+ *ledBlue = LED_OFF; \
+ if (allTestsPassed) { \
+ printf("\n\nTest Result: PASSED\n\n"); \
+ *ledGreen = LED_ON; \
+ } else { \
+ printf("\n\nTest Result: FAILED\n\n"); \
+ *ledRed = LED_ON; \
+ } \
+ } while(0)
+#endif
#define waitForButtonClick() do {while(button.read() == BUTTON_RELEASED); while(button.read() == BUTTON_PRESSED);} while(false)
@@ -30,25 +84,47 @@
* Local variables
*****************************************************************************/
-//MCIFileSystem mcifs("mci");//, P4_16);
-SDFileSystem spifs(p5, p6, p7, p8, "spi"); // mosi, miso, sclk, cs
-
DigitalOut myled(LED1);
DigitalIn button(p23);
SPI shiftreg(p5, p6, p7); // mosi, miso, sclk,
DigitalOut shiftregCS(p30);
-DigitalOut ledRed(p25);
-DigitalOut ledGreen(p28);
-DigitalOut ledBlue(p26);
+DigitalOut* ledRed = NULL;
+DigitalOut* ledGreen = NULL;
+DigitalOut* ledBlue = NULL;
/******************************************************************************
* Local functions
*****************************************************************************/
+static void resetLEDs()
+{
+ // Some peripherals may interfer with the RGB LED and as a result it
+ // may be needed to reinitialize them so that PIN is again an GPIO.
+ if (ledRed != NULL) {
+ delete ledRed;
+ }
+ if (ledGreen != NULL) {
+ delete ledGreen;
+ }
+ if (ledBlue != NULL) {
+ delete ledBlue;
+ }
+ ledRed = new DigitalOut(p25);
+ ledGreen = new DigitalOut(p28);
+ ledBlue = new DigitalOut(p26);
+
+ *ledRed = LED_OFF;
+ *ledGreen = LED_OFF;
+ *ledBlue = LED_OFF;
+}
+
static void test_micro_sd_card_mci()
{
+ // The LPC4088 Experiment Base Board does not have the CardDetect signal
+ // available so it must be set to NC here to work.
+ MCIFileSystem mcifs("mci", NC);
FILE* fp = fopen("/mci/message.txt", "r");
if (fp != NULL) {
char buf[20];
@@ -69,6 +145,7 @@
static void test_micro_sd_card_spi()
{
+ SDFileSystem spifs(p5, p6, p7, p8, "spi"); // mosi, miso, sclk, cs
FILE* fp = fopen("/spi/message.txt", "r");
if (fp != NULL) {
char buf[20];
@@ -89,6 +166,52 @@
static void test_acc()
{
+#if 1
+ MMA7455 sensor(P0_27, P0_28);
+
+ //Try to initialize the accelerometer
+ if (!sensor.setMode(MMA7455::ModeMeasurement)) {
+ handleError(STATE_ERR_ACC, "Unable to set mode for MMA7455!\n");
+ }
+
+ if (!sensor.calibrate()) {
+ handleError(STATE_ERR_ACC, "Failed to calibrate MMA7455!\n");
+ }
+
+ int val[3] = { 0, 0, 0};
+ int max[3] = {-1000,-1000,-1000};
+ int min[3] = { 1000, 1000, 1000};
+ int i;
+ Timer t;
+ t.start();
+ while (t.read() < 5) {
+ if (!sensor.read(val[0], val[1], val[2])) {
+ handleError(STATE_ERR_ACC, "Failed to read accelerometer data!\n");
+ }
+ printf("ACC: x,y,z = {%5d, %5d, %5d}\n", val[0], val[1], val[2]);
+ for (i = 0; i < 3; i++) {
+ if (val[i] < min[i]) {
+ min[i] = val[i];
+ }
+ if (val[i] > max[i]) {
+ max[i] = val[i];
+ }
+ }
+ for (i = 0; i < 3; i++) {
+ if ((max[i] - min[i]) < 2) {
+ break;
+ }
+ if (i == 2) {
+ printf("All three axis work\n");
+ return;
+ }
+ }
+ wait(0.1);
+ }
+ printf("Not enough variation X {%d..%d}, Y {%d..%d}, Z {%d..%d}!\n",
+ min[0], max[0], min[1], max[1], min[2], max[2]);
+ handleError(STATE_ERR_ACC, "Accelerometer data invalid\n");
+#else
MMA7455 sensor(P0_27, P0_28);
//Try to initialize the accelerometer
@@ -104,37 +227,73 @@
handleError(STATE_ERR_ACC, "Failed to calibrate MMA7455!\n");
}
- printf("Printing values for the next 5 seconds...\n");
+ printf("Now tilt the board in all directions (max 10 seconds)...\n");
int x=0, y=0, z=0;
+ uint8_t done = 0;
+ char msg[30] = {0};
Timer t;
t.start();
- while (t.read() < 6) {
+ while ((t.read() < 10) && (done != 0x3f)) {
if (!sensor.read(x, y, z)) {
handleError(STATE_ERR_ACC, "Failed to read accelerometer data!\n");
}
- printf("ACC: x,y,z = {%5d, %5d, %5d}\n", x, y, z);
+ printf("ACC: x,y,z = {%5d, %5d, %5d} %s\n", x, y, z, msg);
+ if ((x < ACC_MIN_LIMIT) && !(done & ACC_XMIN)) {
+ done |= ACC_XMIN;
+ printf("Tilted XMIN\n");
+ } else if ((x > ACC_MAX_LIMIT) && !(done & ACC_XMAX)) {
+ done |= ACC_XMAX;
+ printf("Tilted XMAX\n");
+ }
+ if ((y < ACC_MIN_LIMIT) && !(done & ACC_YMIN)) {
+ done |= ACC_YMIN;
+ printf("Tilted YMIN\n");
+ } else if ((y > ACC_MAX_LIMIT) && !(done & ACC_YMAX)) {
+ done |= ACC_YMAX;
+ printf("Tilted XMAX\n");
+ }
+ if ((z < ACC_MIN_LIMIT) && !(done & ACC_ZMIN)) {
+ done |= ACC_ZMIN;
+ printf("Tilted ZMIN\n");
+ } else if ((z > ACC_MAX_LIMIT) && !(done & ACC_ZMAX)) {
+ done |= ACC_ZMAX;
+ printf("Tilted ZMAX\n");
+ }
+ wait(0.1);
}
printf("Done with ACC tests!\n");
+#endif
}
static void test_lm75()
{
//Create an LM75B object at 0x92/0x93 (ADDRESS_1)
LM75B sensor(P0_27, P0_28, LM75B::ADDRESS_1);
-
+
+ printf("Testing LM75 temperature sensor...\n");
+
//Try to open the LM75B
if (sensor.open()) {
printf("LM75 Device detected!\n");
int i = 10;
while (i--) {
+ float f = (float)sensor;
//Print the current temperature
- printf("Temp = %.3f\n", (float)sensor);
+ printf("Temp = %.3f\n", f);
+ if ((f >= 15) && (f <= 45)) {
+ printf("Temp in 15..45 range - test passed\n");
+ break;
+ }
+
//Sleep for 0.5 seconds
wait(0.5);
}
+ if (i == 0) {
+ handleError(STATE_ERR_LM75, "LM75 No temp in range 15..45!\n");
+ }
} else {
handleError(STATE_ERR_LM75, "LM75 Device not detected!\n");
}
@@ -143,13 +302,27 @@
static void test_trimpot()
{
AnalogIn trimpot(p15);
+ bool min = false;
+ bool max = false;
printf("Reading trimpot for 5 seconds...\n");
for (int i = 0; i < 50; i++) {
- printf("Trimpot = %.3f\n", trimpot.read());
+ float f = trimpot.read();
+ printf("Trimpot = %.3f\n", f);
+ if (f < 0.01f) {
+ min = true;
+ } else if (f > 0.99f) {
+ max = true;
+ }
+ if (min && max) {
+ printf("Test passed\n");
+ return;
+ }
+
wait(0.1);
- }
+ }
+ handleError(STATE_ERR_TRIMPOT, "Trimpot does not reach limits (0.01 - 0.99)!\n");
}
static void outputShiftReg(uint8_t val)
@@ -217,47 +390,57 @@
}
if (mask == 0x1F) {
printf("All directions tested. Done!\n");
- break;
+ return;
}
wait(0.1);
- }
+ if (i%10 == 0) {
+ printf("%ds\n", (100-i)/10);
+ }
+ }
+ handleError(STATE_ERR_JOYSTICK, "Failed to detect all joystick directions\n");
}
static void test_rgb()
{
- printf("All off. Press button to continue\n");
- ledRed = LED_OFF;
- ledGreen = LED_OFF;
- ledBlue = LED_OFF;
+ printf("LED Tests: All off. Press button to continue\n");
+ *ledRed = LED_OFF;
+ *ledGreen = LED_OFF;
+ *ledBlue = LED_OFF;
waitForButtonClick();
- printf("RED on. Press button to continue\n");
- ledRed = LED_ON;
- ledGreen = LED_OFF;
- ledBlue = LED_OFF;
+ printf("LED Tests: RED on. Press button to continue\n");
+ *ledRed = LED_ON;
+ *ledGreen = LED_OFF;
+ *ledBlue = LED_OFF;
waitForButtonClick();
- printf("GREEN on. Press button to continue\n");
- ledRed = LED_OFF;
- ledGreen = LED_ON;
- ledBlue = LED_OFF;
+ printf("LED Tests: GREEN on. Press button to continue\n");
+ *ledRed = LED_OFF;
+ *ledGreen = LED_ON;
+ *ledBlue = LED_OFF;
waitForButtonClick();
- printf("BLUE on. Press button to continue\n");
- ledRed = LED_OFF;
- ledGreen = LED_OFF;
- ledBlue = LED_ON;
+ printf("LED Tests: BLUE on. Press button to continue\n");
+ *ledRed = LED_OFF;
+ *ledGreen = LED_OFF;
+ *ledBlue = LED_ON;
waitForButtonClick();
- printf("All on. Press button to continue\n");
- ledRed = LED_OFF;
- ledGreen = LED_OFF;
- ledBlue = LED_OFF;
+ printf("LED Tests: All on. Press button to continue\n");
+ *ledRed = LED_ON;
+ *ledGreen = LED_ON;
+ *ledBlue = LED_ON;
waitForButtonClick();
+
+ // Turn them off again
+ *ledRed = LED_OFF;
+ *ledGreen = LED_OFF;
+ *ledBlue = LED_OFF;
}
static void test_audio()
{
+ printf("Testing audio...\n");
WM8731 audio(P0_27, P0_28);
if (!audio.writeCmd(WM8731::REG_R15_RESET, 0x0000)) {
handleError(STATE_ERR_AUDIO, "Failed to send command to audio codec\n");
@@ -301,45 +484,197 @@
bubbleDemo.run(750, 20);
}
+static void drawBars(int w, int h, uint32_t frameBuf)
+{
+ uint16_t* p = (uint16_t*)frameBuf;
+ int third = w/3;
+ for (int y = 0; y < h; y++) {
+ int x;
+ for (x = 0; x < third; x++) {
+ *p = 0xf800;
+ p++;
+ }
+ for (; x < 2*third; x++) {
+ *p = 0x07e0;
+ p++;
+ }
+ for (; x < w; x++) {
+ *p = 0x001f;
+ p++;
+ }
+ }
+}
+
+static void calibrate_drawMarker(Graphics &g, uint16_t x, uint16_t y, bool erase)
+{
+ uint16_t color = (erase ? 0x0000 : 0xffff);
+ g.put_line(x-15, y, x+15, y, color);
+ g.put_line(x, y-15, x, y+15, color);
+ g.put_circle(x, y, color, 10, false);
+}
+
+static void calibrate_display(TouchPanel* tp, uint32_t framebuffer, LcdController::Config &lcd)
+{
+ bool morePoints = true;
+ uint16_t x, y;
+ int point = 0;
+ Graphics g((uint16_t*)framebuffer, lcd.width, lcd.height);
+ if (!tp->init(lcd.width, lcd.height)) {
+ handleError(STATE_ERR_TOUCH, "Failed to initialize touch controller\n");
+ }
+ if (!tp->calibrateStart()) {
+ handleError(STATE_ERR_TOUCH, "Failed to start calibration\n");
+ }
+ while (morePoints) {
+ if (point++ > 0) {
+ // erase old location
+ calibrate_drawMarker(g, x, y, true);
+ }
+ if (!tp->getNextCalibratePoint(&x, &y)) {
+ handleError(STATE_ERR_TOUCH, "Failed to get calibration point\n");
+ }
+ calibrate_drawMarker(g, x, y, false);
+ if (!tp->waitForCalibratePoint(&morePoints, 0)) {
+ handleError(STATE_ERR_TOUCH, "Failed to get user click\n");
+ }
+ }
+
+ // erase old location
+ calibrate_drawMarker(g, x, y, true);
+
+ // allow user to draw for 5 seconds
+ Timer t;
+ t.start();
+ TouchPanel::touchCoordinate_t tc;
+ while(t.read() < 6) {
+ if (tp->read(tc)) {
+ //printf("TC: x,y,z = {%5d, %5d, %5d}\n", tc.x, tc.y, tc.z);
+ if (tc.z) {
+ g.put_dot(tc.x, tc.y, 0xffff);
+ }
+ }
+ }
+}
+
+static void test_Display()
+{
+ if (sdram_init() == 1) {
+ handleError(STATE_ERR_MEM, "Failed to initialize SDRAM\n");
+ }
+
+ // Test of display attached with FPC connector, 0.5mm pitch
+ EaLcdBoard::Result result;
+ LcdController::Config lcdCfg(40, 5, 2, 480, 8, 8, 2, 272, false, false, true, true, 1, LcdController::Bpp_16_565, 9000000, LcdController::Tft, false);
+ char* initStr = "v1,cd0,c50,cc0,c30,d100,c31,d100,cd1,d10,o,c51,cc100";
+ EaLcdBoardGPIO lcdBoard(P0_27, P0_28);
+ int num = lcdCfg.width * lcdCfg.height * 2;
+
+ uint32_t frameBuf = (uint32_t) malloc(num);
+ if (frameBuf == 0) {
+ handleError(STATE_ERR_MEM, "Failed to allocate memory for framebuffer\n");
+ }
+ drawBars(lcdCfg.width, lcdCfg.height, frameBuf);
+
+ result = lcdBoard.open(&lcdCfg, initStr);
+ if (result != EaLcdBoard::Ok) {
+ printf("Error Code: %d\n", result);
+ handleError(STATE_ERR_MEM, "Failed to open display\n");
+ }
+
+ result = lcdBoard.setFrameBuffer(frameBuf);
+ if (result != EaLcdBoard::Ok) {
+ printf("Error Code: %d\n", result);
+ handleError(STATE_ERR_MEM, "Failed to set framebuffer\n");
+ }
+
+ printf("Initialized. Control contrast with right trimpot (8 seconds)\n");
+ AnalogIn trimpot(p15);
+ Timer t;
+ t.start();
+ int delays = 0;
+ float last = -0.365;
+ while (t.read() < 8) {
+ float f = trimpot.read();
+ if (f != last) {
+ last = f;
+ lcdBoard.setBC(100*f);
+ }
+ wait(0.1);
+ if (delays%10 == 0) {
+ printf("%ds\n", (80-delays)/10);
+ }
+ delays++;
+ }
+
+ AR1021I2C touch(P0_27, P0_28, P2_25);
+ int vh,vl,r,ty;
+ if (touch.info(&vh,&vl,&r,&ty)) {
+ printf("Touch info: v%d.%d, %d-bit resolution, type 0x%x\n", vh, vl, r, ty);
+ } else {
+ printf("Failed to read touch information\n");
+ }
+
+ printf("Calibrate display\n");
+ calibrate_display(&touch, frameBuf, lcdCfg);
+ if (allTestsPassed) {
+ memset((uint8_t*)frameBuf, 0x03, num); // GREEN
+ } else {
+ memset((uint8_t*)frameBuf, 0xe0, num); // RED
+ }
+}
+
+static void setupSerial(int baudrate)
+{
+ // This works because both the default serial (used by printf) and the s instance
+ // (used by s.printf) would use the same underlying UART code so setting the baudrate
+ // in one affects the other.
+ Serial s(USBTX, USBRX);
+ s.baud(baudrate);
+}
+
int main() {
- printf("hello! " __DATE__ " at " __TIME__ "\n");
+ setupSerial(115200);
+ printf("\n"
+ "---\n"
+ "Production Test Program: LPC4088 Experiment Base Board\n"
+ "Build Date: " __DATE__ " at " __TIME__ "\n"
+ "\n");
shiftregCS = 1;
button.mode(PullUp);
- ledRed = LED_OFF;
- ledGreen = LED_OFF;
- ledBlue = LED_OFF;
+ resetLEDs();
outputShiftReg(0x0);
//startup flash behaviour
for(int i=0; i<10; i++)
{
- ledRed = LED_ON;
+ *ledRed = LED_ON;
wait(0.05);
- ledRed = LED_OFF;
+ *ledRed = LED_OFF;
wait(0.05);
}
wait(1.0);
for(int i=0; i<10; i++)
{
- ledGreen = LED_ON;
+ *ledGreen = LED_ON;
wait(0.05);
- ledGreen = LED_OFF;
+ *ledGreen = LED_OFF;
wait(0.05);
}
wait(1.0);
for(int i=0; i<10; i++)
{
- ledBlue = LED_ON;
+ *ledBlue = LED_ON;
wait(0.05);
- ledBlue = LED_OFF;
+ *ledBlue = LED_OFF;
wait(0.05);
}
wait(1.0);
- //test_micro_sd_card_mci();
+ test_micro_sd_card_mci();
+ resetLEDs(); // MCI interface disables the RGB LED
// test_micro_sd_card_spi();
test_acc();
test_lm75();
@@ -349,7 +684,12 @@
test_audio();
//test_TextLCD();
//test_DisplayModule();
- waitForButtonClick();
+
+ test_Display();
+
+ showTestResult();
+
+ //waitForButtonClick();
while(1) {
test_shiftreg();