Jason Chang
/
9v1
Add I2CSlave to ov580 master.
main.cpp@2:afc300c4f8e4, 2018-10-19 (annotated)
- Committer:
- claytonk
- Date:
- Fri Oct 19 16:45:09 2018 +0000
- Revision:
- 2:afc300c4f8e4
- Parent:
- 1:ffffa383ba7e
- Child:
- 3:6b14862f5f51
gutted lights on and stack check to rebuild functionality
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
claytonk | 0:605fe136b7ea | 1 | #include "mbed.h" |
claytonk | 0:605fe136b7ea | 2 | |
claytonk | 0:605fe136b7ea | 3 | /* |
claytonk | 0:605fe136b7ea | 4 | FEATURE REQUIREMENTS |
claytonk | 0:605fe136b7ea | 5 | |
claytonk | 1:ffffa383ba7e | 6 | - I2C write occurs on |
claytonk | 0:605fe136b7ea | 7 | |
claytonk | 0:605fe136b7ea | 8 | -Reoccuring enable from app that will prevent the emitters from remaining |
claytonk | 0:605fe136b7ea | 9 | on if the app crashes and a turn off command isn't sent |
claytonk | 0:605fe136b7ea | 10 | - Can be a counter on the emitter enable > threshold |
claytonk | 0:605fe136b7ea | 11 | |
claytonk | 0:605fe136b7ea | 12 | -Flood/Dot tagging indicated on GPIO3 |
claytonk | 0:605fe136b7ea | 13 | - 0 Flood |
claytonk | 0:605fe136b7ea | 14 | - 1 DOT |
claytonk | 0:605fe136b7ea | 15 | |
claytonk | 0:605fe136b7ea | 16 | -Fault indication on GPIO4 to indicate to app to reboot |
claytonk | 0:605fe136b7ea | 17 | - 0 OK |
claytonk | 0:605fe136b7ea | 18 | - 1 Fault/Reboot |
claytonk | 0:605fe136b7ea | 19 | |
claytonk | 0:605fe136b7ea | 20 | I2C write commands |
claytonk | 0:605fe136b7ea | 21 | Reg: Information Condition |
claytonk | 0:605fe136b7ea | 22 | 0x00 Emitter enable 0x00 Emitters off |
claytonk | 0:605fe136b7ea | 23 | 0x01 Dot on |
claytonk | 0:605fe136b7ea | 24 | 0x10 Flood on |
claytonk | 0:605fe136b7ea | 25 | 0x11 Flood / Dot on |
claytonk | 0:605fe136b7ea | 26 | |
claytonk | 1:ffffa383ba7e | 27 | 0x01 Dot fault Read from LM36011 |
claytonk | 0:605fe136b7ea | 28 | |
claytonk | 0:605fe136b7ea | 29 | 0x02 Flood Fault Read from LM36011 |
claytonk | 0:605fe136b7ea | 30 | |
claytonk | 0:605fe136b7ea | 31 | 0x03 Kill VCSEL Fault Define this |
claytonk | 0:605fe136b7ea | 32 | |
claytonk | 0:605fe136b7ea | 33 | */ |
claytonk | 0:605fe136b7ea | 34 | |
claytonk | 0:605fe136b7ea | 35 | // define pins for I2C |
claytonk | 0:605fe136b7ea | 36 | #define dot_sda p2 |
claytonk | 0:605fe136b7ea | 37 | #define dot_scl p4 |
claytonk | 0:605fe136b7ea | 38 | #define flood_sda p28 |
claytonk | 0:605fe136b7ea | 39 | #define flood_scl p3 |
claytonk | 0:605fe136b7ea | 40 | #define ov580_sda p30 |
claytonk | 0:605fe136b7ea | 41 | #define ov580_scl p31 |
claytonk | 0:605fe136b7ea | 42 | #define strobe_dot p23 |
claytonk | 0:605fe136b7ea | 43 | #define strobe_flood p24 |
claytonk | 0:605fe136b7ea | 44 | #define pwm_1_pin p29 |
claytonk | 0:605fe136b7ea | 45 | #define pwm_0_pin p5 |
claytonk | 0:605fe136b7ea | 46 | |
claytonk | 0:605fe136b7ea | 47 | // define LED pins |
claytonk | 0:605fe136b7ea | 48 | #define ledRed p12 |
claytonk | 0:605fe136b7ea | 49 | #define ledGreen p17 |
claytonk | 0:605fe136b7ea | 50 | #define ledBlue p13 |
claytonk | 0:605fe136b7ea | 51 | |
claytonk | 0:605fe136b7ea | 52 | // initialize LEDs |
claytonk | 0:605fe136b7ea | 53 | DigitalOut red(ledRed,1); |
claytonk | 0:605fe136b7ea | 54 | DigitalOut green(ledGreen,1); |
claytonk | 0:605fe136b7ea | 55 | DigitalOut blue(ledBlue,1); |
claytonk | 0:605fe136b7ea | 56 | |
claytonk | 0:605fe136b7ea | 57 | // Initialize outputs |
claytonk | 0:605fe136b7ea | 58 | DigitalIn pwm_1(pwm_1_pin,PullNone); |
claytonk | 0:605fe136b7ea | 59 | |
claytonk | 0:605fe136b7ea | 60 | // Initialize inputs |
claytonk | 0:605fe136b7ea | 61 | DigitalIn strobe0(p23,PullNone); |
claytonk | 0:605fe136b7ea | 62 | DigitalIn strobe1(p24,PullNone); |
claytonk | 0:605fe136b7ea | 63 | DigitalIn pwm_0(pwm_0_pin,PullNone); |
claytonk | 0:605fe136b7ea | 64 | DigitalIn vcselFault(p25,PullNone); |
claytonk | 0:605fe136b7ea | 65 | DigitalIn killVcsel(p26,PullNone); |
claytonk | 0:605fe136b7ea | 66 | |
claytonk | 0:605fe136b7ea | 67 | static uint8_t LM36011_addr = 0x64 << 1; //0xC8 |
claytonk | 0:605fe136b7ea | 68 | |
claytonk | 0:605fe136b7ea | 69 | // register names |
claytonk | 0:605fe136b7ea | 70 | static uint8_t enable_reg = 0x01; |
claytonk | 0:605fe136b7ea | 71 | static uint8_t configuration_reg = 0x02; |
claytonk | 0:605fe136b7ea | 72 | static uint8_t brightness_reg = 0x03; |
claytonk | 0:605fe136b7ea | 73 | static uint8_t torch_reg = 0x04; |
claytonk | 0:605fe136b7ea | 74 | static uint8_t flags_reg = 0x05; |
claytonk | 0:605fe136b7ea | 75 | static uint8_t device_id_reset_reg = 0x06; |
claytonk | 0:605fe136b7ea | 76 | |
claytonk | 0:605fe136b7ea | 77 | // register settings |
claytonk | 0:605fe136b7ea | 78 | static uint8_t enable_ir = 0x05; |
claytonk | 0:605fe136b7ea | 79 | static uint8_t disable_ir = 0x20; |
claytonk | 0:605fe136b7ea | 80 | static uint8_t enable_flash_timeout = 0x01; |
claytonk | 0:605fe136b7ea | 81 | |
claytonk | 0:605fe136b7ea | 82 | // level settings |
claytonk | 0:605fe136b7ea | 83 | static uint8_t level_flood_max = 0x66; // = 1.2 A |
claytonk | 0:605fe136b7ea | 84 | //static uint8_t level_dot_max = 0x5F; // = 1.03 A |
claytonk | 0:605fe136b7ea | 85 | //static uint8_t level_dot_max = 0x3F; // = 0.75 A |
claytonk | 0:605fe136b7ea | 86 | //static uint8_t level_dot_max = 0x3C; // = 0.70 A |
claytonk | 0:605fe136b7ea | 87 | //static uint8_t level_dot_max = 0x15 //0.257 A |
claytonk | 0:605fe136b7ea | 88 | static uint8_t level_dot_max = 0x1F; // = 352mA |
claytonk | 0:605fe136b7ea | 89 | |
claytonk | 0:605fe136b7ea | 90 | char lmInit[2] = {enable_reg,enable_ir}; |
claytonk | 0:605fe136b7ea | 91 | char lmOff[2] = {enable_reg,disable_ir}; |
claytonk | 0:605fe136b7ea | 92 | char lmSafety[2] = {configuration_reg,enable_flash_timeout}; |
claytonk | 0:605fe136b7ea | 93 | |
claytonk | 0:605fe136b7ea | 94 | char flashBrightness_dot[2] = {brightness_reg,level_dot_max}; |
claytonk | 0:605fe136b7ea | 95 | char flashBrightness_flood[2] = {brightness_reg,level_flood_max}; |
claytonk | 0:605fe136b7ea | 96 | |
claytonk | 0:605fe136b7ea | 97 | //create interupts |
claytonk | 1:ffffa383ba7e | 98 | InterruptIn strobe_0(p23); |
claytonk | 1:ffffa383ba7e | 99 | InterruptIn strobe_1(p24); |
claytonk | 0:605fe136b7ea | 100 | |
claytonk | 0:605fe136b7ea | 101 | // i2c declarations |
claytonk | 0:605fe136b7ea | 102 | I2C flood_I2C(flood_sda,flood_scl); |
claytonk | 0:605fe136b7ea | 103 | I2C dot_I2C(dot_sda,dot_scl); |
claytonk | 0:605fe136b7ea | 104 | I2CSlave ov_I2C(ov580_sda,ov580_scl); |
claytonk | 0:605fe136b7ea | 105 | |
claytonk | 1:ffffa383ba7e | 106 | // functions |
claytonk | 1:ffffa383ba7e | 107 | void lightsOn() |
claytonk | 1:ffffa383ba7e | 108 | { |
claytonk | 2:afc300c4f8e4 | 109 | |
claytonk | 1:ffffa383ba7e | 110 | } |
claytonk | 1:ffffa383ba7e | 111 | |
claytonk | 1:ffffa383ba7e | 112 | void stack_check() |
claytonk | 1:ffffa383ba7e | 113 | { |
claytonk | 1:ffffa383ba7e | 114 | |
claytonk | 1:ffffa383ba7e | 115 | } |
claytonk | 1:ffffa383ba7e | 116 | |
claytonk | 0:605fe136b7ea | 117 | // main() runs in its own thread in the OS |
claytonk | 1:ffffa383ba7e | 118 | int main() |
claytonk | 1:ffffa383ba7e | 119 | { |
claytonk | 1:ffffa383ba7e | 120 | |
claytonk | 0:605fe136b7ea | 121 | // set I2C Frequency to 400kHz |
claytonk | 0:605fe136b7ea | 122 | flood_I2C.frequency(400000); |
claytonk | 0:605fe136b7ea | 123 | dot_I2C.frequency(400000); |
claytonk | 1:ffffa383ba7e | 124 | |
claytonk | 0:605fe136b7ea | 125 | // write safety |
claytonk | 0:605fe136b7ea | 126 | flood_I2C.write(LM36011_addr,lmSafety,2,false); |
claytonk | 0:605fe136b7ea | 127 | dot_I2C.write(LM36011_addr,lmSafety,2,false); |
claytonk | 0:605fe136b7ea | 128 | |
claytonk | 1:ffffa383ba7e | 129 | // write brightness |
claytonk | 1:ffffa383ba7e | 130 | flood_I2C.write(LM36011_addr,flashBrightness_flood,2,false); |
claytonk | 1:ffffa383ba7e | 131 | dot_I2C.write(LM36011_addr,flashBrightness_dot,2,false); |
claytonk | 1:ffffa383ba7e | 132 | |
claytonk | 1:ffffa383ba7e | 133 | // set interrupts |
claytonk | 2:afc300c4f8e4 | 134 | strobe_0.rise(stack_check); |
claytonk | 1:ffffa383ba7e | 135 | strobe_0.fall(lightsOn); |
claytonk | 2:afc300c4f8e4 | 136 | |
claytonk | 1:ffffa383ba7e | 137 | |
claytonk | 0:605fe136b7ea | 138 | while (true) { |
claytonk | 1:ffffa383ba7e | 139 | |
claytonk | 0:605fe136b7ea | 140 | green = !green; |
claytonk | 0:605fe136b7ea | 141 | wait(0.5); |
claytonk | 0:605fe136b7ea | 142 | } |
claytonk | 0:605fe136b7ea | 143 | } |
claytonk | 0:605fe136b7ea | 144 |