Kaoru Onoe
MP3-capable chair with sensor-embedded weight scale.
Dependencies: ACM1602 SDFileSystem VS1053 mbed ClockControl PowerControl
Revision 1:ef257d63d970, committed 2014-03-29
- Comitter:
- kayekss
- Date:
- Sat Mar 29 16:14:11 2014 +0000
- Parent:
- 0:d9789f57fd9d
- Child:
- 2:844bedc9dc63
- Commit message:
- (1) Changed the target MCU to mbed LPC1768. (2) Added power-saving controls. (3) Changed content to print to display.
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ClockControl.lib Sat Mar 29 16:14:11 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/JST2011/code/ClockControl/#a6d100de3aee
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/PowerControl.lib Sat Mar 29 16:14:11 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/JST2011/code/PowerControl/#d0fa2aeb02a4
--- a/defs.h Wed Mar 26 19:56:18 2014 +0000
+++ b/defs.h Sat Mar 29 16:14:11 2014 +0000
@@ -2,8 +2,8 @@
#define ISU_PROJECT_DEFS_H_
// Input thresholds
-#define HIGH_TO_LOW 0.25
-#define LOW_TO_HIGH 0.75
+#define H_TO_L_THRES 0.25
+#define L_TO_H_THRES 0.75
// Delay count until settling
#define SETTLING_COUNT 5
@@ -12,7 +12,7 @@
#define POLL_INTERVAL_SEC 0.50
// Block size of read/write (byte)
-#define BLOCK_SIZE 1024
+#define BLOCK_SIZE 64
typedef enum {
CANCELING = -1,
@@ -33,26 +33,26 @@
PLAY4_REQUEST = 4
} Request;
-PinName const xp5 = P0_9; // SPI1 + MOSI
-PinName const xp6 = P0_8; // | MISO
-PinName const xp7 = P0_7; // | SCK
-PinName const xp8 = P0_6; // | SSEL#
-PinName const xp9 = P0_0; // UART3+ Tx I2C1 + SDA
-PinName const xp10 = P0_1; // | Rx | SCL
-PinName const xp11 = P0_18; // SPI0 + MOSI
-PinName const xp12 = P0_17; // | MISO
-PinName const xp13 = P0_15; // UART1+ Tx | SCK
-PinName const xp14 = P0_16; // | Rx | SSEL#
-PinName const xp15 = P0_23; // AnalogIn
-PinName const xp16 = P0_24; // AnalogIn
-PinName const xp17 = P0_25; // AnalogIn
-PinName const xp18 = P0_26; // AnalogIn AnalogOut
-PinName const xp19 = P1_30; // AnalogIn
-PinName const xp20 = P1_31; // AnalogIn
+PinName const xp5 = P0_9; // (p5) SPI1 + MOSI
+PinName const xp6 = P0_8; // (p6) | MISO
+PinName const xp7 = P0_7; // (p7) | SCK
+PinName const xp8 = P0_6; // (p8) | SSEL#
+PinName const xp9 = P0_0; // (p9) UART3+ Tx I2C1 + SDA
+PinName const xp10 = P0_1; // (p10) | Rx | SCL
+PinName const xp11 = P0_18; // (p11) SPI0 + MOSI
+PinName const xp12 = P0_17; // (p12) | MISO
+PinName const xp13 = P0_15; // (p13) UART1+ Tx | SCK
+PinName const xp14 = P0_16; // (p14) | Rx | SSEL#
+PinName const xp15 = P0_23; // (p15) AnalogIn
+PinName const xp16 = P0_24; // (p16) AnalogIn
+PinName const xp17 = P0_25; // (p17) AnalogIn
+PinName const xp18 = P0_26; // (p18) AnalogIn AnalogOut
+PinName const xp19 = P1_30; // (p19) AnalogIn
+PinName const xp20 = P1_31; // (p20) AnalogIn
PinName const xp21 = P0_2;
PinName const xp22 = P0_3;
PinName const xp23 = P0_21;
-PinName const xp24 = P0_22;
+PinName const xp24 = P0_22; // **Onboard LED
PinName const xp25 = P0_27; // **Open drain
PinName const xp26 = P0_28; // **Open drain
PinName const xp27 = P2_13;
@@ -62,16 +62,16 @@
PinName const xp50 = P2_8;
PinName const xp49 = P2_7;
PinName const xp48 = P2_6;
-PinName const xp47 = P2_5; // PwmOut
-PinName const xp46 = P2_4; // PwmOut
-PinName const xp45 = P2_3; // PwmOut
-PinName const xp44 = P2_2; // PwmOut
-PinName const xp43 = P2_1; // PwmOut
-PinName const xp42 = P2_0; // PwmOut
-PinName const xp41 = P0_11; // UART2+ Rx I2C2 + SCL
-PinName const xp40 = P0_10; // | Tx | SDA
-PinName const xp39 = P0_5; // CAN + TD
-PinName const xp38 = P0_4; // | RD
+PinName const xp47 = P2_5; // (p21) PwmOut
+PinName const xp46 = P2_4; // (p22) PwmOut
+PinName const xp45 = P2_3; // (p23) PwmOut
+PinName const xp44 = P2_2; // (p24) PwmOut
+PinName const xp43 = P2_1; // (p25) PwmOut
+PinName const xp42 = P2_0; // (p26) PwmOut
+PinName const xp41 = P0_11; // (p27) UART2+ Rx I2C2 + SCL
+PinName const xp40 = P0_10; // (p28) | Tx | SDA
+PinName const xp39 = P0_5; // (p29) CAN + TD
+PinName const xp38 = P0_4; // (p30) | RD
PinName const LED0 = P0_22;
#endif
--- a/main.cpp Wed Mar 26 19:56:18 2014 +0000
+++ b/main.cpp Sat Mar 29 16:14:11 2014 +0000
@@ -5,30 +5,29 @@
#include "SDFileSystem.h"
#include "VS1053.h"
#include "ACM1602.h"
+#include "ClockControl.h"
+#include "EthernetPowerControl.h"
+#include "PowerControl.h"
// Pin settings for LPC1768(LPCXpresso)
-SDFileSystem sd(/*MOSI*/ xp11, /*MISO*/ xp12, /*SCK*/ xp13, /*CS*/ xp53, /*Mountpoint*/ "sd");
-VS1053 mp3(/*MOSI*/ xp11, /*MISO*/ xp12, /*SCK*/ xp13,
- /*CS*/ xp52, /*BSYNC*/ xp51, /*DREQ*/ xp50, /*RST*/ xp49, /*SPI freq.*/ 6000000);
-HysteresisIn sens3(p17, HIGH_TO_LOW, LOW_TO_HIGH, 1); // Photo sensor #3 (Outer)
-HysteresisIn sens2(p18, HIGH_TO_LOW, LOW_TO_HIGH, 1); // Photo sensor #2
-HysteresisIn sens1(p19, HIGH_TO_LOW, LOW_TO_HIGH, 1); // Photo sensor #1
-HysteresisIn sens0(p20, HIGH_TO_LOW, LOW_TO_HIGH, 1); // Photo sensor #0 (Inner)
-ACM1602 lcd(/*SDA*/ xp9, /*SCL*/ xp10, /*Address*/ 0xa0);
-DigitalOut led(LED0);
-DigitalOut audioPower(xp38);
+SDFileSystem sd(/*MOSI*/ p11, /*MISO*/ p12, /*SCK*/ p13, /*CS*/ p21, /*Mountpoint*/ "sd");
+VS1053 mp3(/*MOSI*/ p11, /*MISO*/ p12, /*SCK*/ p13,
+ /*CS*/ p22, /*BSYNC*/ p23, /*DREQ*/ p24, /*RST*/ p25, /*SPI freq.*/ 4000000);
+HysteresisIn sens3(p17, H_TO_L_THRES, L_TO_H_THRES, 1); // Photo sensor #3 (Outer)
+HysteresisIn sens2(p18, H_TO_L_THRES, L_TO_H_THRES, 1); // Photo sensor #2
+HysteresisIn sens1(p19, H_TO_L_THRES, L_TO_H_THRES, 1); // Photo sensor #1
+HysteresisIn sens0(p20, H_TO_L_THRES, L_TO_H_THRES, 1); // Photo sensor #0 (Inner)
+ACM1602 lcd(/*SDA*/ p9, /*SCL*/ p10, /*Address*/ 0xa0);
+DigitalOut audioPower(p30);
+DigitalIn test3(p17);
+DigitalIn test2(p18);
+DigitalIn test1(p19);
+DigitalIn test0(p20);
+DigitalIn inputSelector(p8);
+BusIn __dummy(xp21, xp22, xp23, xp24, xp49, xp50, xp51, xp52, xp53);
Ticker tic;
-
-// Pin settings for LPC1114FN28 (SD card accessing does not work)
-// SDFileSystem sd(/*MOSI*/ dp2, /*MISO*/ dp1, /*SCK*/ dp6, /*CS*/ dp4, /*Mountpoint*/ "sd");
-// VS1053 mp3(/*MOSI*/ dp2, /*MISO*/ dp1, /*SCK*/ dp6,
-// /*CS*/ dp14, /*BSYNC*/ dp17, /*DREQ*/ dp18, /*RST*/ dp25, /*SPI freq.*/ 4000000);
-// HysteresisIn sens3(dp9, HIGH_TO_LOW, LOW_TO_HIGH, 1); // Photo sensor #3 (Outer)
-// HysteresisIn sens2(dp10, HIGH_TO_LOW, LOW_TO_HIGH, 1); // Photo sensor #2
-// HysteresisIn sens1(dp11, HIGH_TO_LOW, LOW_TO_HIGH, 1); // Photo sensor #1
-// HysteresisIn sens0(dp13, HIGH_TO_LOW, LOW_TO_HIGH, 1); // Photo sensor #0 (Inner)
-// ACM1602 lcd(/*SDA*/ dp5, /*SCL*/ dp27, /*Address*/ 0xa0);
-// Ticker tic;
+bool inputFrom;
+size_t totalSizeSent;
const char *fileNameList[] = {
"/sd/Track1.mp3",
@@ -42,6 +41,20 @@
/** Setup and initializations */
void setup(void) {
+ // Reduce system clock frequency
+ setSystemFrequency(0x3, 0x1, 6, 1);
+
+ // Power down Ethernet PHY
+ PHY_PowerDown();
+
+ // Set pull-up mode
+ inputSelector.mode(PullUp);
+ test3.mode(PullUp);
+ test2.mode(PullUp);
+ test1.mode(PullUp);
+ test0.mode(PullUp);
+ wait(0.1);
+
// Initialize VS1053
mp3.hardwareReset();
mp3.clockUp();
@@ -53,8 +66,8 @@
// Setup LCD
lcd.init();
- // Initialize LED
- led = 0;
+ // Read input selector
+ inputFrom = inputSelector;
}
/** Read voltages from photo sensor pins and detect weightscale point code */
@@ -62,10 +75,17 @@
uint8_t bitPattern;
// Read all photo sensor inputs
- bitPattern = (sens3.read() << 3)
- | (sens2.read() << 2)
- | (sens1.read() << 1)
- | sens0.read();
+ if (inputFrom) {
+ bitPattern = (test3 << 3)
+ | (test2 << 2)
+ | (test1 << 1)
+ | test0;
+ } else {
+ bitPattern = (sens3.read() << 3)
+ | (sens2.read() << 2)
+ | (sens1.read() << 1)
+ | sens0.read();
+ }
switch (bitPattern) {
// 1 when open, 0 when shut
@@ -111,10 +131,28 @@
} else {
holdTimes = 0;
}
+
+ // Print status to LCD:
+ // current state, photo sensor inputs, hold count,
+ // file size sent to VS1053
lcd.locate(0, 0);
- lcd.printf("%-15s", stateNameList[state + 2]);
+ lcd.printf("%-9s in=%2d", stateNameList[state + 2], code);
lcd.locate(0, 1);
- lcd.printf("ps=%2d times=%2d", code, holdTimes);
+ lcd.printf("x%2d ", holdTimes);
+ switch (state) {
+ case PLAYING1: case PLAYING2: case PLAYING3: case PLAYING4:
+ if (totalSizeSent >= 1000000) {
+ lcd.printf("%9.2f MB", totalSizeSent / 1048576.0);
+ } else if (totalSizeSent >= 1000) {
+ lcd.printf("%9.2f KB", totalSizeSent / 1024.0);
+ } else {
+ lcd.printf("%6d bytes", totalSizeSent);
+ }
+ break;
+ default:
+ lcd.printf(" <No File>");
+ break;
+ }
// Once the point is stable enough, make a request
if (holdTimes == SETTLING_COUNT) {
@@ -136,10 +174,9 @@
/** Player control in accordance with requests */
void controlTrack() {
- static FILE *fp = NULL;
- size_t sizeRead = 0;
- uint8_t buf[BLOCK_SIZE];
- static size_t totalSizeSent = 0;
+ static FILE *fp = NULL;
+ size_t sizeRead = 0;
+ uint8_t buf[BLOCK_SIZE];
switch (state) {
case READY:
@@ -148,20 +185,16 @@
// Clear stop request
request = NONE;
break;
- case PLAY1_REQUEST: case PLAY2_REQUEST: case PLAY3_REQUEST: case PLAY4_REQUEST:
+ case PLAY1_REQUEST: case PLAY2_REQUEST: case PLAY3_REQUEST: case PLAY4_REQUEST:
fp = fopen(fileNameList[request - 1], "rb");
if (fp) {
+ clearerr(fp);
+
// Power supply on
audioPower = 1;
- led = 1;
totalSizeSent = 0;
state = (State) request;
- lcd.locate(15, 0);
- lcd.printf("*");
- } else {
- lcd.locate(0, 1);
- lcd.printf("File Open Error ");
}
// Clear play request
request = NONE;
@@ -172,24 +205,23 @@
break;
case PLAYING1: case PLAYING2: case PLAYING3: case PLAYING4:
if (request == NONE) {
- sizeRead = fread(buf, sizeof(uint8_t), BLOCK_SIZE, fp);
- if (sizeRead) {
- totalSizeSent += mp3.sendDataBlock(buf, sizeRead);
- } else {
- // Close the track
+ // Continue playback
+ if (feof(fp)) {
+ // Close when the track reaches the end
fclose(fp);
- lcd.locate(15, 0);
- lcd.printf(" ");
+ fp = NULL;
// Invoke play request again
request = (Request) state;
state = READY;
+ } else {
+ sizeRead = fread(buf, sizeof(char), BLOCK_SIZE, fp);
+ totalSizeSent += mp3.sendDataBlock(buf, sizeRead);
}
} else {
// Cancel current track when something's requested
fclose(fp);
- lcd.locate(15, 0);
- lcd.printf(" ");
+ fp = NULL;
state = CANCELING;
}
break;
@@ -208,7 +240,6 @@
// Power supply off
audioPower = 0;
- led = 0;
}
break;
default:
@@ -276,12 +307,7 @@
// Test files: Enter an infinite loop on failure
if (testFiles()) {
- while (1) {
- led = 1;
- wait(0.5);
- led = 0;
- wait(0.5);
- }
+ while (1) {}
}
// Set Ticker interrupt routine