Dual CANbus monitor and instrumentation cluster. Presently tuned for the Nissan Leaf EV.

Dependencies:   SPI_TFTx2_ILI9341 TFT_fonts TOUCH_TFTx2_ILI9341 mbed

Fork of CANary_corrupt by Tick Tock

After adding the LPC1768 platform, import as a program and do not select the "update to latest revision" box

User Guide

Eagle Schematic and Board design

/media/uploads/TickTock/canaryr6.zip

/media/uploads/TickTock/canary_sch.jpg

/media/uploads/TickTock/canaryr6brd.jpg

For LCD Rev 1.01:

/media/uploads/TickTock/lcdsch.jpg

For VCD Rev 2.00:

/media/uploads/TickTock/lcdr2.jpg

Parts List

qtyinstancepart #packagesupplierDescription
1BAT3Vhttp://www.ebay.com/itm/10x-CR2032-SMD-Battery-Holder-for-CR2032-Battery-/180938057979?pt=LH_DefaultDomain_0&hash=item2a20bfa8fbLithium 2032 coin battery holder
4C1-C4ECST1DC106R6032Tantalium capacitor 10uF
3FC1-FC3ZF1-20-01-T-WThttp://www.samtec.com/cable-systems/idc-ffc/ffc/zero-insertion.aspx20 conductor 1mm pitch flex cable connector (optional)
1FJ-20-R-08.00-4http://www.samtec.com/cable-systems/idc-ffc/ffc/zero-insertion.aspx8\" 20 conductor 1mm pitch flex connector, end reversed (optional)
2H1-H4(DON'T populate H1-H4 headers - solder mbed directly)
1H5http://www.ebay.com/itm/221186042943?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l26491x12 .1\" pitch header (optional)
1H62x6 .1\" pitch header (optional)
2IC1,IC2VP230LMDSOP8http://www.ebay.com/itm/130488665247?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649canbus transciever
1IC3LM1117-5VSOT2235V regulator
5JP*2 pin .1\" jumper header
1mbedLPC1768http://www.ebay.com/itm/200830573509?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649mbed uC
2Q1,Q22N2222SOT23General purpose NPN transistor
1R1R393M120639K resistor
1R2R103M120610K resistor
4R4-R6R102M12061K resistor
1R3R500M120650 Ohm resistor
2TR1-TR5ZJYS81R5-2PL51TG01http://www.digikey.com/product-detail/en/ZJYS81R5-2PL51T-G01/445-2223-1-ND/765232CM Choke
1Z11N5340BGC1702-15http://www.ebay.com/itm/150878122425?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l26496V, 5W Zener Diode
1Z1DC-DC conveterhttp://www.ebay.com/itm/251142727849?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l264912V-7V, 3W DC-DC converter
1X1USBhttp://www.ebay.com/itm/New-Vertical-USB-2-0-A-pcb-connector-socket-USB-A-Type-/300553895292?pt=LH_DefaultDomain_0&hash=item45fa687d7cvertical USB connector
2LCD0,LCD1TFThttp://www.mikroe.com/add-on-boards/display/tft-proto/320x240 LCD with touch screen
1E0Enclosurehttp://www.shapeways.com/model/1077799/canary.html?li=user-profile&materialId=63d printed enclosure

Assembly

1) LCD Displays

I found ribbon cable is a nice way to organize the wires to the displays. There are two versions of the display and each must be wired differently. The original project used HW REV. 1.01. For that version, you'll need 12 conductors and I connected them in the following order:

1LED+
2LED-
3RST
4SDI
5WR/SCLK
6CS
7X+
8X-
9Y+
10Y-
11VDD
12GND

If, instead, you have HW REV 2.0, you will need 13 conductors with the following order:

1LED+
2LED-
3RST
4SDI
5RS (SCLK)
6WR (DC)
7CS
8X+
9X-
10Y+
11Y-
12VDD
13GND

First I connected all the GND connections (2 GND & IM0, IM1, IM3 for REV1.01 or 2 GND, RD, & IM0 for REV2.00). Do not connect the bottom GND until you have the ribbon cable connected. After making all the ribbon cable connections (connecting the GND of the ribbon cable to the bottom GND pad), solder the GND bar from the previous step to the back of the bottom GND connection. Finally, make a connection from the back side 3.3V pin to IM2 for REV1.01 or to IM1,IM2,&IM3 for REV2.00. Take a break and repeat for the second display.

Examples of REV1.01 boards:

/media/uploads/TickTock/lcdtop.jpg /media/uploads/TickTock/lcdbot.jpg

Examples of REV2.00:

/media/uploads/TickTock/rev2front.jpg /media/uploads/TickTock/rev2back.jpg

Once the two displays are complete combine all wires except CS0, CS1, X+, X-, Y+, and Y-. Connect X- of the left display to X+ of the right. Similarly connect Y- of the left display to Y+ of the right. Insulate any exposed wires.

2) PCB

Refer to the schematics to place all the components on the board. If you plan to install into the CANary 3D enclosure, DO NOT install the battery holder or the socket for the mbed and, instead, connect two wires to the VB and GND pads nearby. You will have to install the battery holder against the back wall to avoid interfering with the right-hand display and the mbed will have to be directly soldered. I have not found a socket with a low enough profile to fit in the space provided (depth of enclosure is limited by the space behind the center console). Also, I recommend keeping as much lead as possible on the Zener diode (bending it as shown to clear the back wall). Although it is operating well within parameters, the Zener gets quite hot during extended operation and the leads help dissipate the heat and keep it away from the PCB and other components.Update: Several Zeners have failed resulting in damage to some users boards so I recommend using a DC-DC converter instead to bring the 12V down to 7V.

/media/uploads/TickTock/pcbtop.jpg /media/uploads/TickTock/pcbbot.jpg

Once the PCB is populated, solder the LCDs to the PCB. CS0 connects to the right display and CS1 connects to the left. /media/uploads/TickTock/brddis.jpg

Update: The Zener diodes tended to fail after a few months so I am recommending removing them and replacing with a DC-DC converter. This will run cooler and waste less energy, too. To install, remove the left display panel to gain access to the Zener. From there, the Zener can be removed and it's pads used to connect to the DC-DC converter. I recommend setting the output voltage on the bench before installing since the trim pot is tricky to reach once installed. Set it to 7V. The input can be connected to the left pad previously occupied by the zener and the output can connect to the right. GND(-) can be connected to the bottom right pad on the 2x6 header below the flex cable connector. Make sure the GND wire lies flat so it doesn't interfere with the connection of the flex cable. /media/uploads/TickTock/dcdcinst2.jpg

Once soldered in place, the DC-DC converter can easily be mounted to the back wall with double sided tape above the battery holder. /media/uploads/TickTock/dcdcinst3.jpg

3) Testing

1)First step is to buzz out all connections from the LCDs to the pins in the main board
2)Next check the touch screen connections. On the main board, place an Ohm meter across X+ and X-. You should read 700 Ohms. Repeat for Y+ and Y-. Then test the resistance from X+ to Y+. With nothing touching the screens, it should read >100K Ohms and <1K when touching either screen.
3)When all connections are checked, solder in the mbed. Download and install the touch2 program http://mbed.org/users/TickTock/code/touch2/ to test the basic operation of the mbed and touch screens.
tips:
Touch screen is sensitive - excess flux on X+,X-,Y+,Y- connection on mbed can result in flakey operation
If touch is not working, double-check the LCD0_CS and LCD1_CS are not swapped. LCD0_CS must connect to the CS of the LCD that has X- & Y- connected to the mbed. LCD1_CS must connect to the CS of the LCD that has X+ & Y+ connected to the mbed.
4)Once touch2 works, it is time to connect to the OBD connector. I highly recommend double checking all connections from the OBD to the PCB with the cable in place before connecting to the Leaf. Buzz out all the pins in the OBS to make sure none are shorting to each other, Check that the 12V goes to the Zener (and nothing else) and the switched 12V to the resistor divider (and nothing else). Test the ground connection properly connects to ground and nothing else.
5)Once you are confident there are no shorts or wrong connections from the OBD connector, take a deep breath and plug it into your leaf. Touch2 program should come up and function. Unplug and install the latest CANary firmware. If you have the REV2.00 LCD boards, you will need to edit the precompile.h file in the TOUCH_TFTx2_w9341 library and set USE_ILI9341 to 1. Test all features before installing into the enclosure (gids, cellpair, menu system, logging) since installing and removing from the enclosure is a PITA.

/media/uploads/TickTock/pcbdone.jpg /media/uploads/TickTock/functioning.jpg

4) Enclosure

The 3D printer leaves a lot of powder behind - I used a strong spray of water to get it out of all the cracks. The enclosure comes with a rather rough finish. I recommend convincing yourself you like it, then simply lightly sand then paint before assembly. Sanding is very difficult - the nylon is very nicely fused and doesn't want to sand. I tried sandblasting and that didn't work either. I had some limited success with filler and then sanding, but only on the outside - it is too difficult to sand the face. /media/uploads/TickTock/enclosure.jpg

5) Final Assembly

Make sure you are well rested with lots of patience before attempting assembly. It is a puzzle figuring out how to get both displays and the PCB in place. Enclosure was too expensive for me to keep iterating to optimize for assembly. I ended up snipping the thin display posts shorter and using various tools to push the displays into place. Also, some USB connectors are taller than others. If you have one of the taller ones, you will have to deflect the back wall a bit while inserting the PCB (being careful not to bend the housing) to get it to it's opening in the back wall. Do use a screw in the provided post to secure the PCB as USB insertion will otherwise dislodge it.

I added an additional safety line which wraps around the center post to prevent the enclosure from becoming a projectile in the event of an accident. /media/uploads/TickTock/safety.jpg Installed: /media/uploads/TickTock/installed.jpg

Committer:
TickTock
Date:
Sun Feb 17 16:44:59 2013 +0000
Revision:
4:8d7759f4fe7a
Added configuration menu and sticky log screen

Who changed what in which revision?

UserRevisionLine numberNew contents of line
TickTock 4:8d7759f4fe7a 1 #include "EthernetPowerControl.h"
TickTock 4:8d7759f4fe7a 2
TickTock 4:8d7759f4fe7a 3 static void write_PHY (unsigned int PhyReg, unsigned short Value) {
TickTock 4:8d7759f4fe7a 4 /* Write a data 'Value' to PHY register 'PhyReg'. */
TickTock 4:8d7759f4fe7a 5 unsigned int tout;
TickTock 4:8d7759f4fe7a 6 /* Hardware MII Management for LPC176x devices. */
TickTock 4:8d7759f4fe7a 7 LPC_EMAC->MADR = DP83848C_DEF_ADR | PhyReg;
TickTock 4:8d7759f4fe7a 8 LPC_EMAC->MWTD = Value;
TickTock 4:8d7759f4fe7a 9
TickTock 4:8d7759f4fe7a 10 /* Wait utill operation completed */
TickTock 4:8d7759f4fe7a 11 for (tout = 0; tout < MII_WR_TOUT; tout++) {
TickTock 4:8d7759f4fe7a 12 if ((LPC_EMAC->MIND & MIND_BUSY) == 0) {
TickTock 4:8d7759f4fe7a 13 break;
TickTock 4:8d7759f4fe7a 14 }
TickTock 4:8d7759f4fe7a 15 }
TickTock 4:8d7759f4fe7a 16 }
TickTock 4:8d7759f4fe7a 17
TickTock 4:8d7759f4fe7a 18 static unsigned short read_PHY (unsigned int PhyReg) {
TickTock 4:8d7759f4fe7a 19 /* Read a PHY register 'PhyReg'. */
TickTock 4:8d7759f4fe7a 20 unsigned int tout, val;
TickTock 4:8d7759f4fe7a 21
TickTock 4:8d7759f4fe7a 22 LPC_EMAC->MADR = DP83848C_DEF_ADR | PhyReg;
TickTock 4:8d7759f4fe7a 23 LPC_EMAC->MCMD = MCMD_READ;
TickTock 4:8d7759f4fe7a 24
TickTock 4:8d7759f4fe7a 25 /* Wait until operation completed */
TickTock 4:8d7759f4fe7a 26 for (tout = 0; tout < MII_RD_TOUT; tout++) {
TickTock 4:8d7759f4fe7a 27 if ((LPC_EMAC->MIND & MIND_BUSY) == 0) {
TickTock 4:8d7759f4fe7a 28 break;
TickTock 4:8d7759f4fe7a 29 }
TickTock 4:8d7759f4fe7a 30 }
TickTock 4:8d7759f4fe7a 31 LPC_EMAC->MCMD = 0;
TickTock 4:8d7759f4fe7a 32 val = LPC_EMAC->MRDD;
TickTock 4:8d7759f4fe7a 33
TickTock 4:8d7759f4fe7a 34 return (val);
TickTock 4:8d7759f4fe7a 35 }
TickTock 4:8d7759f4fe7a 36
TickTock 4:8d7759f4fe7a 37 void EMAC_Init()
TickTock 4:8d7759f4fe7a 38 {
TickTock 4:8d7759f4fe7a 39 unsigned int tout,regv;
TickTock 4:8d7759f4fe7a 40 /* Power Up the EMAC controller. */
TickTock 4:8d7759f4fe7a 41 Peripheral_PowerUp(LPC1768_PCONP_PCENET);
TickTock 4:8d7759f4fe7a 42
TickTock 4:8d7759f4fe7a 43 LPC_PINCON->PINSEL2 = 0x50150105;
TickTock 4:8d7759f4fe7a 44 LPC_PINCON->PINSEL3 &= ~0x0000000F;
TickTock 4:8d7759f4fe7a 45 LPC_PINCON->PINSEL3 |= 0x00000005;
TickTock 4:8d7759f4fe7a 46
TickTock 4:8d7759f4fe7a 47 /* Reset all EMAC internal modules. */
TickTock 4:8d7759f4fe7a 48 LPC_EMAC->MAC1 = MAC1_RES_TX | MAC1_RES_MCS_TX | MAC1_RES_RX | MAC1_RES_MCS_RX |
TickTock 4:8d7759f4fe7a 49 MAC1_SIM_RES | MAC1_SOFT_RES;
TickTock 4:8d7759f4fe7a 50 LPC_EMAC->Command = CR_REG_RES | CR_TX_RES | CR_RX_RES;
TickTock 4:8d7759f4fe7a 51
TickTock 4:8d7759f4fe7a 52 /* A short delay after reset. */
TickTock 4:8d7759f4fe7a 53 for (tout = 100; tout; tout--);
TickTock 4:8d7759f4fe7a 54
TickTock 4:8d7759f4fe7a 55 /* Initialize MAC control registers. */
TickTock 4:8d7759f4fe7a 56 LPC_EMAC->MAC1 = MAC1_PASS_ALL;
TickTock 4:8d7759f4fe7a 57 LPC_EMAC->MAC2 = MAC2_CRC_EN | MAC2_PAD_EN;
TickTock 4:8d7759f4fe7a 58 LPC_EMAC->MAXF = ETH_MAX_FLEN;
TickTock 4:8d7759f4fe7a 59 LPC_EMAC->CLRT = CLRT_DEF;
TickTock 4:8d7759f4fe7a 60 LPC_EMAC->IPGR = IPGR_DEF;
TickTock 4:8d7759f4fe7a 61
TickTock 4:8d7759f4fe7a 62 /* Enable Reduced MII interface. */
TickTock 4:8d7759f4fe7a 63 LPC_EMAC->Command = CR_RMII | CR_PASS_RUNT_FRM;
TickTock 4:8d7759f4fe7a 64
TickTock 4:8d7759f4fe7a 65 /* Reset Reduced MII Logic. */
TickTock 4:8d7759f4fe7a 66 LPC_EMAC->SUPP = SUPP_RES_RMII;
TickTock 4:8d7759f4fe7a 67 for (tout = 100; tout; tout--);
TickTock 4:8d7759f4fe7a 68 LPC_EMAC->SUPP = 0;
TickTock 4:8d7759f4fe7a 69
TickTock 4:8d7759f4fe7a 70 /* Put the DP83848C in reset mode */
TickTock 4:8d7759f4fe7a 71 write_PHY (PHY_REG_BMCR, 0x8000);
TickTock 4:8d7759f4fe7a 72
TickTock 4:8d7759f4fe7a 73 /* Wait for hardware reset to end. */
TickTock 4:8d7759f4fe7a 74 for (tout = 0; tout < 0x100000; tout++) {
TickTock 4:8d7759f4fe7a 75 regv = read_PHY (PHY_REG_BMCR);
TickTock 4:8d7759f4fe7a 76 if (!(regv & 0x8000)) {
TickTock 4:8d7759f4fe7a 77 /* Reset complete */
TickTock 4:8d7759f4fe7a 78 break;
TickTock 4:8d7759f4fe7a 79 }
TickTock 4:8d7759f4fe7a 80 }
TickTock 4:8d7759f4fe7a 81 }
TickTock 4:8d7759f4fe7a 82
TickTock 4:8d7759f4fe7a 83
TickTock 4:8d7759f4fe7a 84 void PHY_PowerDown()
TickTock 4:8d7759f4fe7a 85 {
TickTock 4:8d7759f4fe7a 86 if (!Peripheral_GetStatus(LPC1768_PCONP_PCENET))
TickTock 4:8d7759f4fe7a 87 EMAC_Init(); //init EMAC if it is not already init'd
TickTock 4:8d7759f4fe7a 88
TickTock 4:8d7759f4fe7a 89 unsigned int regv;
TickTock 4:8d7759f4fe7a 90 regv = read_PHY(PHY_REG_BMCR);
TickTock 4:8d7759f4fe7a 91 write_PHY(PHY_REG_BMCR, regv | (1 << PHY_REG_BMCR_POWERDOWN));
TickTock 4:8d7759f4fe7a 92 regv = read_PHY(PHY_REG_BMCR);
TickTock 4:8d7759f4fe7a 93
TickTock 4:8d7759f4fe7a 94 //shouldn't need the EMAC now.
TickTock 4:8d7759f4fe7a 95 Peripheral_PowerDown(LPC1768_PCONP_PCENET);
TickTock 4:8d7759f4fe7a 96
TickTock 4:8d7759f4fe7a 97 //and turn off the PHY OSC
TickTock 4:8d7759f4fe7a 98 LPC_GPIO1->FIODIR |= 0x8000000;
TickTock 4:8d7759f4fe7a 99 LPC_GPIO1->FIOCLR = 0x8000000;
TickTock 4:8d7759f4fe7a 100 }
TickTock 4:8d7759f4fe7a 101
TickTock 4:8d7759f4fe7a 102 void PHY_PowerUp()
TickTock 4:8d7759f4fe7a 103 {
TickTock 4:8d7759f4fe7a 104 if (!Peripheral_GetStatus(LPC1768_PCONP_PCENET))
TickTock 4:8d7759f4fe7a 105 EMAC_Init(); //init EMAC if it is not already init'd
TickTock 4:8d7759f4fe7a 106
TickTock 4:8d7759f4fe7a 107 LPC_GPIO1->FIODIR |= 0x8000000;
TickTock 4:8d7759f4fe7a 108 LPC_GPIO1->FIOSET = 0x8000000;
TickTock 4:8d7759f4fe7a 109
TickTock 4:8d7759f4fe7a 110 //wait for osc to be stable
TickTock 4:8d7759f4fe7a 111 wait_ms(200);
TickTock 4:8d7759f4fe7a 112
TickTock 4:8d7759f4fe7a 113 unsigned int regv;
TickTock 4:8d7759f4fe7a 114 regv = read_PHY(PHY_REG_BMCR);
TickTock 4:8d7759f4fe7a 115 write_PHY(PHY_REG_BMCR, regv & ~(1 << PHY_REG_BMCR_POWERDOWN));
TickTock 4:8d7759f4fe7a 116 regv = read_PHY(PHY_REG_BMCR);
TickTock 4:8d7759f4fe7a 117 }
TickTock 4:8d7759f4fe7a 118
TickTock 4:8d7759f4fe7a 119 void PHY_EnergyDetect_Enable()
TickTock 4:8d7759f4fe7a 120 {
TickTock 4:8d7759f4fe7a 121 if (!Peripheral_GetStatus(LPC1768_PCONP_PCENET))
TickTock 4:8d7759f4fe7a 122 EMAC_Init(); //init EMAC if it is not already init'd
TickTock 4:8d7759f4fe7a 123
TickTock 4:8d7759f4fe7a 124 unsigned int regv;
TickTock 4:8d7759f4fe7a 125 regv = read_PHY(PHY_REG_EDCR);
TickTock 4:8d7759f4fe7a 126 write_PHY(PHY_REG_BMCR, regv | (1 << PHY_REG_EDCR_ENABLE));
TickTock 4:8d7759f4fe7a 127 regv = read_PHY(PHY_REG_EDCR);
TickTock 4:8d7759f4fe7a 128 }
TickTock 4:8d7759f4fe7a 129
TickTock 4:8d7759f4fe7a 130 void PHY_EnergyDetect_Disable()
TickTock 4:8d7759f4fe7a 131 {
TickTock 4:8d7759f4fe7a 132 if (!Peripheral_GetStatus(LPC1768_PCONP_PCENET))
TickTock 4:8d7759f4fe7a 133 EMAC_Init(); //init EMAC if it is not already init'd
TickTock 4:8d7759f4fe7a 134 unsigned int regv;
TickTock 4:8d7759f4fe7a 135 regv = read_PHY(PHY_REG_EDCR);
TickTock 4:8d7759f4fe7a 136 write_PHY(PHY_REG_BMCR, regv & ~(1 << PHY_REG_EDCR_ENABLE));
TickTock 4:8d7759f4fe7a 137 regv = read_PHY(PHY_REG_EDCR);
TickTock 4:8d7759f4fe7a 138 }