v1 Stable
Dependencies: F401RE-USBHost USBHostXpad mbed
main.cpp@2:c20d8438f206, 2016-11-04 (annotated)
- Committer:
- Ownasaurus
- Date:
- Fri Nov 04 21:29:33 2016 +0000
- Revision:
- 2:c20d8438f206
- Parent:
- 1:3c21da72660d
- Child:
- 3:52b2a7514406
Functional X360 proof of concept
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Ownasaurus | 1:3c21da72660d | 1 | //TODO: save controller layout to sram |
Ownasaurus | 1:3c21da72660d | 2 | // finish and make 100% functional for keyboard players |
Ownasaurus | 1:3c21da72660d | 3 | // duplicate program and modify to work with x360 |
Ownasaurus | 1:3c21da72660d | 4 | |
Ownasaurus | 0:eb2258e8c4b5 | 5 | #include "mbed.h" |
Ownasaurus | 2:c20d8438f206 | 6 | #include "USBHostXpad.h" |
Ownasaurus | 2:c20d8438f206 | 7 | |
Ownasaurus | 2:c20d8438f206 | 8 | DigitalOut myled(LED1); |
Ownasaurus | 2:c20d8438f206 | 9 | Serial pc(USBTX, USBRX); // tx, rx |
Ownasaurus | 2:c20d8438f206 | 10 | DigitalInOut data(PA_8); |
Ownasaurus | 2:c20d8438f206 | 11 | //DigitalIn button(PC_13); // eventually code to set controlls |
Ownasaurus | 2:c20d8438f206 | 12 | |
Ownasaurus | 2:c20d8438f206 | 13 | /** |
Ownasaurus | 2:c20d8438f206 | 14 | @namespace AXYB |
Ownasaurus | 2:c20d8438f206 | 15 | @brief Integer for storing the hex of the A X Y B buttons |
Ownasaurus | 2:c20d8438f206 | 16 | @brief XPad returns a 4 digit hex for all buttons- AXYB buttons are stored in first value |
Ownasaurus | 2:c20d8438f206 | 17 | @param A - given as a 1 |
Ownasaurus | 2:c20d8438f206 | 18 | @param B - given as a 2 |
Ownasaurus | 2:c20d8438f206 | 19 | @param X - given as a 4 |
Ownasaurus | 2:c20d8438f206 | 20 | @param Y - given as a 8 |
Ownasaurus | 2:c20d8438f206 | 21 | */ |
Ownasaurus | 2:c20d8438f206 | 22 | uint8_t AXYB=0x0; |
Ownasaurus | 2:c20d8438f206 | 23 | /** |
Ownasaurus | 2:c20d8438f206 | 24 | @namespace XLBRB |
Ownasaurus | 2:c20d8438f206 | 25 | @brief Integer for storing the hex of the LB,RB and center X buttons |
Ownasaurus | 2:c20d8438f206 | 26 | @brief XPad returns a 4 digit hex for all buttons- AXYB buttons are stored in second value |
Ownasaurus | 2:c20d8438f206 | 27 | @param LB - given as a 1 |
Ownasaurus | 2:c20d8438f206 | 28 | @param R - given as a 2 |
Ownasaurus | 2:c20d8438f206 | 29 | @param X - given as a 4 |
Ownasaurus | 2:c20d8438f206 | 30 | |
Ownasaurus | 2:c20d8438f206 | 31 | */ |
Ownasaurus | 2:c20d8438f206 | 32 | uint8_t XLBRB=0x0; |
Ownasaurus | 2:c20d8438f206 | 33 | |
Ownasaurus | 2:c20d8438f206 | 34 | /** |
Ownasaurus | 2:c20d8438f206 | 35 | @namespace bkStrtLCRC |
Ownasaurus | 2:c20d8438f206 | 36 | @brief Integer for storing the hex of the Left analog button,Right analog button,back and start buttons |
Ownasaurus | 2:c20d8438f206 | 37 | @brief XPad returns a 4 digit hex for all buttons- AXYB buttons are stored in third value |
Ownasaurus | 2:c20d8438f206 | 38 | @param start - given as a 1 |
Ownasaurus | 2:c20d8438f206 | 39 | @param back - given as a 2 |
Ownasaurus | 2:c20d8438f206 | 40 | @param LC - given as a 4 |
Ownasaurus | 2:c20d8438f206 | 41 | @param RC - given as a 8 |
Ownasaurus | 2:c20d8438f206 | 42 | */ |
Ownasaurus | 2:c20d8438f206 | 43 | uint8_t bkStrtLCRC=0x0; |
Ownasaurus | 2:c20d8438f206 | 44 | /** |
Ownasaurus | 2:c20d8438f206 | 45 | @namespace DPad |
Ownasaurus | 2:c20d8438f206 | 46 | @brief Integer for storing the hex of the Directional buttons |
Ownasaurus | 2:c20d8438f206 | 47 | @brief XPad returns a 4 digit hex for all buttons- AXYB buttons are stored in fourth value |
Ownasaurus | 2:c20d8438f206 | 48 | @param Up - given as a 1 |
Ownasaurus | 2:c20d8438f206 | 49 | @param Down - given as a 2 |
Ownasaurus | 2:c20d8438f206 | 50 | @param Left - given as a 4 |
Ownasaurus | 2:c20d8438f206 | 51 | @param Right - given as a 8 |
Ownasaurus | 2:c20d8438f206 | 52 | */ |
Ownasaurus | 2:c20d8438f206 | 53 | uint8_t DPad=0x0; |
Ownasaurus | 2:c20d8438f206 | 54 | /** |
Ownasaurus | 2:c20d8438f206 | 55 | @namespace LSY |
Ownasaurus | 2:c20d8438f206 | 56 | @brief float for storing the value of the Left Analogue Stick's Y axis |
Ownasaurus | 2:c20d8438f206 | 57 | @brief XPad returns a value between -32768(down) and 32767(up) |
Ownasaurus | 2:c20d8438f206 | 58 | @there is a deadzone between around -4000 and 4000 where the value returned is not consistent when in the fixed position(assummed 0,0 point) |
Ownasaurus | 2:c20d8438f206 | 59 | */ |
Ownasaurus | 2:c20d8438f206 | 60 | char LSY=0x0; |
Ownasaurus | 2:c20d8438f206 | 61 | /** |
Ownasaurus | 2:c20d8438f206 | 62 | @namespace LSX |
Ownasaurus | 2:c20d8438f206 | 63 | @brief float for storing the value of the Left Analogue Stick's X axis |
Ownasaurus | 2:c20d8438f206 | 64 | @brief XPad returns a value between -32768(left) and 32767(right) |
Ownasaurus | 2:c20d8438f206 | 65 | @there is a deadzone between around -4000 and 4000 where the value returned is not consistent when in the fixed position(assummed 0,0 point) |
Ownasaurus | 2:c20d8438f206 | 66 | */ |
Ownasaurus | 2:c20d8438f206 | 67 | char LSX=0x0; |
Ownasaurus | 2:c20d8438f206 | 68 | /** |
Ownasaurus | 2:c20d8438f206 | 69 | @namespace RSY |
Ownasaurus | 2:c20d8438f206 | 70 | @brief float for storing the value of the Right Analogue Stick's Y axis |
Ownasaurus | 2:c20d8438f206 | 71 | @brief XPad returns a value between -32768() and 32767(up) |
Ownasaurus | 2:c20d8438f206 | 72 | @there is a deadzone between around -4000 and 4000 where the value returned is not consistent when in the fixed position(assummed 0,0 point) |
Ownasaurus | 2:c20d8438f206 | 73 | */ |
Ownasaurus | 2:c20d8438f206 | 74 | float RSY=0x0; |
Ownasaurus | 2:c20d8438f206 | 75 | /** |
Ownasaurus | 2:c20d8438f206 | 76 | @namespace RSX |
Ownasaurus | 2:c20d8438f206 | 77 | @brief float for storing the value of the Right Analogue Stick's X axis |
Ownasaurus | 2:c20d8438f206 | 78 | @brief XPad returns a value between -32768(left) and 32767(right) |
Ownasaurus | 2:c20d8438f206 | 79 | @there is a deadzone between around -4000 and 4000 where the value returned is not consistent when in the fixed position(assummed 0,0 point) |
Ownasaurus | 2:c20d8438f206 | 80 | */ |
Ownasaurus | 2:c20d8438f206 | 81 | float RSX=0x0; |
Ownasaurus | 2:c20d8438f206 | 82 | /** |
Ownasaurus | 2:c20d8438f206 | 83 | @namespace sN |
Ownasaurus | 2:c20d8438f206 | 84 | @brief float for storing the stick Normalising value |
Ownasaurus | 2:c20d8438f206 | 85 | @brief makes the range of the sticks -80 to 80 |
Ownasaurus | 2:c20d8438f206 | 86 | */ |
Ownasaurus | 2:c20d8438f206 | 87 | const float sN=0.00244140625;//(80/32768) |
Ownasaurus | 2:c20d8438f206 | 88 | /** |
Ownasaurus | 2:c20d8438f206 | 89 | @namespace Lt |
Ownasaurus | 2:c20d8438f206 | 90 | @brief float for storing the value of the Left trigger |
Ownasaurus | 2:c20d8438f206 | 91 | @brief XPad returns a value between 0(not pressed) and 255(fully pressed) |
Ownasaurus | 2:c20d8438f206 | 92 | @ |
Ownasaurus | 2:c20d8438f206 | 93 | */ |
Ownasaurus | 2:c20d8438f206 | 94 | float Lt=0x0; |
Ownasaurus | 2:c20d8438f206 | 95 | /** |
Ownasaurus | 2:c20d8438f206 | 96 | @namespace Rt |
Ownasaurus | 2:c20d8438f206 | 97 | @brief float for storing the value of the Left trigger |
Ownasaurus | 2:c20d8438f206 | 98 | @brief XPad returns a value between 0(not pressed) and 255(fully pressed) |
Ownasaurus | 2:c20d8438f206 | 99 | @ |
Ownasaurus | 2:c20d8438f206 | 100 | */ |
Ownasaurus | 2:c20d8438f206 | 101 | float Rt=0x0; |
Ownasaurus | 2:c20d8438f206 | 102 | /** |
Ownasaurus | 2:c20d8438f206 | 103 | @namespace tN |
Ownasaurus | 2:c20d8438f206 | 104 | @brief float for storing the trigger Normalising value |
Ownasaurus | 2:c20d8438f206 | 105 | @brief makes the range of the triggers 0 to 10 |
Ownasaurus | 2:c20d8438f206 | 106 | */ |
Ownasaurus | 2:c20d8438f206 | 107 | const float tN=0.03921568627;//(10/255) |
Ownasaurus | 2:c20d8438f206 | 108 | const int DEADZONE = 10; |
Ownasaurus | 2:c20d8438f206 | 109 | |
Ownasaurus | 2:c20d8438f206 | 110 | char reverse(char b) |
Ownasaurus | 2:c20d8438f206 | 111 | { |
Ownasaurus | 2:c20d8438f206 | 112 | b = (b & 0xF0) >> 4 | (b & 0x0F) << 4; |
Ownasaurus | 2:c20d8438f206 | 113 | b = (b & 0xCC) >> 2 | (b & 0x33) << 2; |
Ownasaurus | 2:c20d8438f206 | 114 | b = (b & 0xAA) >> 1 | (b & 0x55) << 1; |
Ownasaurus | 2:c20d8438f206 | 115 | return b; |
Ownasaurus | 2:c20d8438f206 | 116 | } |
Ownasaurus | 0:eb2258e8c4b5 | 117 | |
Ownasaurus | 0:eb2258e8c4b5 | 118 | extern "C" void my_wait_us_asm (int n); |
Ownasaurus | 0:eb2258e8c4b5 | 119 | |
Ownasaurus | 1:3c21da72660d | 120 | struct __attribute__((packed)) N64ControllerData // all bits are in the correct order |
Ownasaurus | 1:3c21da72660d | 121 | { |
Ownasaurus | 1:3c21da72660d | 122 | unsigned int a : 1; // 1 bit wide |
Ownasaurus | 1:3c21da72660d | 123 | unsigned int b : 1; |
Ownasaurus | 1:3c21da72660d | 124 | unsigned int z : 1; |
Ownasaurus | 1:3c21da72660d | 125 | unsigned int start : 1; |
Ownasaurus | 1:3c21da72660d | 126 | unsigned int up : 1; |
Ownasaurus | 1:3c21da72660d | 127 | unsigned int down : 1; |
Ownasaurus | 1:3c21da72660d | 128 | unsigned int left : 1; |
Ownasaurus | 1:3c21da72660d | 129 | unsigned int right : 1; |
Ownasaurus | 1:3c21da72660d | 130 | |
Ownasaurus | 1:3c21da72660d | 131 | unsigned int dummy1 : 1; |
Ownasaurus | 1:3c21da72660d | 132 | unsigned int dummy2 : 1; |
Ownasaurus | 1:3c21da72660d | 133 | unsigned int l :1 ; |
Ownasaurus | 1:3c21da72660d | 134 | unsigned int r : 1; |
Ownasaurus | 1:3c21da72660d | 135 | unsigned int c_up : 1; |
Ownasaurus | 1:3c21da72660d | 136 | unsigned int c_down : 1; |
Ownasaurus | 1:3c21da72660d | 137 | unsigned int c_left : 1; |
Ownasaurus | 1:3c21da72660d | 138 | unsigned int c_right : 1; |
Ownasaurus | 1:3c21da72660d | 139 | |
Ownasaurus | 1:3c21da72660d | 140 | char x_axis; |
Ownasaurus | 1:3c21da72660d | 141 | |
Ownasaurus | 1:3c21da72660d | 142 | char y_axis; |
Ownasaurus | 1:3c21da72660d | 143 | |
Ownasaurus | 1:3c21da72660d | 144 | } n64_data; |
Ownasaurus | 1:3c21da72660d | 145 | |
Ownasaurus | 2:c20d8438f206 | 146 | struct __attribute__((packed)) KeyboardControls |
Ownasaurus | 2:c20d8438f206 | 147 | { |
Ownasaurus | 2:c20d8438f206 | 148 | uint8_t KEYBOARD_a; |
Ownasaurus | 2:c20d8438f206 | 149 | uint8_t KEYBOARD_b; |
Ownasaurus | 2:c20d8438f206 | 150 | uint8_t KEYBOARD_z; |
Ownasaurus | 2:c20d8438f206 | 151 | uint8_t KEYBOARD_start; |
Ownasaurus | 2:c20d8438f206 | 152 | uint8_t KEYBOARD_d_up; |
Ownasaurus | 2:c20d8438f206 | 153 | uint8_t KEYBOARD_d_down; |
Ownasaurus | 2:c20d8438f206 | 154 | uint8_t KEYBOARD_d_left; |
Ownasaurus | 2:c20d8438f206 | 155 | uint8_t KEYBOARD_d_right; |
Ownasaurus | 2:c20d8438f206 | 156 | uint8_t KEYBOARD_l; |
Ownasaurus | 2:c20d8438f206 | 157 | uint8_t KEYBOARD_r; |
Ownasaurus | 2:c20d8438f206 | 158 | uint8_t KEYBOARD_c_up; |
Ownasaurus | 2:c20d8438f206 | 159 | uint8_t KEYBOARD_c_down; |
Ownasaurus | 2:c20d8438f206 | 160 | uint8_t KEYBOARD_c_left; |
Ownasaurus | 2:c20d8438f206 | 161 | uint8_t KEYBOARD_c_right; |
Ownasaurus | 2:c20d8438f206 | 162 | uint8_t KEYBOARD_a_up; |
Ownasaurus | 2:c20d8438f206 | 163 | uint8_t KEYBOARD_a_down; |
Ownasaurus | 2:c20d8438f206 | 164 | uint8_t KEYBOARD_a_left; |
Ownasaurus | 2:c20d8438f206 | 165 | uint8_t KEYBOARD_a_right; |
Ownasaurus | 2:c20d8438f206 | 166 | |
Ownasaurus | 2:c20d8438f206 | 167 | KeyboardControls() |
Ownasaurus | 2:c20d8438f206 | 168 | { |
Ownasaurus | 2:c20d8438f206 | 169 | LoadDefault(); |
Ownasaurus | 2:c20d8438f206 | 170 | } |
Ownasaurus | 2:c20d8438f206 | 171 | |
Ownasaurus | 2:c20d8438f206 | 172 | void Print() |
Ownasaurus | 2:c20d8438f206 | 173 | { |
Ownasaurus | 2:c20d8438f206 | 174 | pc.printf("KEYBOARD_a = %x\r\n", KEYBOARD_a); |
Ownasaurus | 2:c20d8438f206 | 175 | pc.printf("KEYBOARD_start = %x\r\n", KEYBOARD_start); |
Ownasaurus | 2:c20d8438f206 | 176 | pc.printf("KEYBOARD_a_up = %x\r\n", KEYBOARD_a_up); |
Ownasaurus | 2:c20d8438f206 | 177 | } |
Ownasaurus | 2:c20d8438f206 | 178 | |
Ownasaurus | 2:c20d8438f206 | 179 | void LoadDefault() |
Ownasaurus | 2:c20d8438f206 | 180 | { |
Ownasaurus | 2:c20d8438f206 | 181 | KEYBOARD_a = 0x0E; |
Ownasaurus | 2:c20d8438f206 | 182 | KEYBOARD_b = 0x0D; |
Ownasaurus | 2:c20d8438f206 | 183 | KEYBOARD_z = 0x0F; |
Ownasaurus | 2:c20d8438f206 | 184 | KEYBOARD_start = 0x0B; |
Ownasaurus | 2:c20d8438f206 | 185 | KEYBOARD_d_up = 0x1D; |
Ownasaurus | 2:c20d8438f206 | 186 | KEYBOARD_d_down = 0x1B; |
Ownasaurus | 2:c20d8438f206 | 187 | KEYBOARD_d_left = 0x06; |
Ownasaurus | 2:c20d8438f206 | 188 | KEYBOARD_d_right = 0x19; |
Ownasaurus | 2:c20d8438f206 | 189 | KEYBOARD_l = 0x1A; |
Ownasaurus | 2:c20d8438f206 | 190 | KEYBOARD_r = 0x12; |
Ownasaurus | 2:c20d8438f206 | 191 | KEYBOARD_c_up = 0x17; |
Ownasaurus | 2:c20d8438f206 | 192 | KEYBOARD_c_down = 0x1C; |
Ownasaurus | 2:c20d8438f206 | 193 | KEYBOARD_c_left = 0x18; |
Ownasaurus | 2:c20d8438f206 | 194 | KEYBOARD_c_right = 0x0C; |
Ownasaurus | 2:c20d8438f206 | 195 | KEYBOARD_a_up = 0x08; |
Ownasaurus | 2:c20d8438f206 | 196 | KEYBOARD_a_down = 0x07; |
Ownasaurus | 2:c20d8438f206 | 197 | KEYBOARD_a_left = 0x16; |
Ownasaurus | 2:c20d8438f206 | 198 | KEYBOARD_a_right = 0x09; |
Ownasaurus | 2:c20d8438f206 | 199 | } |
Ownasaurus | 2:c20d8438f206 | 200 | |
Ownasaurus | 2:c20d8438f206 | 201 | void LoadBlank() |
Ownasaurus | 2:c20d8438f206 | 202 | { |
Ownasaurus | 2:c20d8438f206 | 203 | KEYBOARD_a = 0x00; |
Ownasaurus | 2:c20d8438f206 | 204 | KEYBOARD_b = 0x00; |
Ownasaurus | 2:c20d8438f206 | 205 | KEYBOARD_z = 0x00; |
Ownasaurus | 2:c20d8438f206 | 206 | KEYBOARD_start = 0x00; |
Ownasaurus | 2:c20d8438f206 | 207 | KEYBOARD_d_up = 0x00; |
Ownasaurus | 2:c20d8438f206 | 208 | KEYBOARD_d_down = 0x00; |
Ownasaurus | 2:c20d8438f206 | 209 | KEYBOARD_d_left = 0x00; |
Ownasaurus | 2:c20d8438f206 | 210 | KEYBOARD_d_right = 0x00; |
Ownasaurus | 2:c20d8438f206 | 211 | KEYBOARD_l = 0x00; |
Ownasaurus | 2:c20d8438f206 | 212 | KEYBOARD_r = 0x00; |
Ownasaurus | 2:c20d8438f206 | 213 | KEYBOARD_c_up = 0x00; |
Ownasaurus | 2:c20d8438f206 | 214 | KEYBOARD_c_down = 0x00; |
Ownasaurus | 2:c20d8438f206 | 215 | KEYBOARD_c_left = 0x00; |
Ownasaurus | 2:c20d8438f206 | 216 | KEYBOARD_c_right = 0x00; |
Ownasaurus | 2:c20d8438f206 | 217 | KEYBOARD_a_up = 0x00; |
Ownasaurus | 2:c20d8438f206 | 218 | KEYBOARD_a_down = 0x00; |
Ownasaurus | 2:c20d8438f206 | 219 | KEYBOARD_a_left = 0x00; |
Ownasaurus | 2:c20d8438f206 | 220 | KEYBOARD_a_right = 0x00; |
Ownasaurus | 2:c20d8438f206 | 221 | } |
Ownasaurus | 2:c20d8438f206 | 222 | }; |
Ownasaurus | 1:3c21da72660d | 223 | |
Ownasaurus | 2:c20d8438f206 | 224 | KeyboardControls kc; |
Ownasaurus | 2:c20d8438f206 | 225 | |
Ownasaurus | 2:c20d8438f206 | 226 | inline void XpadValues(int buttons, int stick_lx, int stick_ly, int stick_rx, int stick_ry, int trigger_l, int trigger_r) |
Ownasaurus | 2:c20d8438f206 | 227 | { |
Ownasaurus | 2:c20d8438f206 | 228 | /*pc.printf("Xpad: %04x %-5d %-5d %-5d %-5d %d %d\r\n", buttons, stick_lx, stick_ly, stick_rx, stick_ry, trigger_l, trigger_r);//%04x makes it display (hex) 0 as 0000 %02x |
Ownasaurus | 2:c20d8438f206 | 229 | pc.printf("buttons: %04x\r\n",buttons); |
Ownasaurus | 2:c20d8438f206 | 230 | pc.printf("AXYB: %x\r\n",AXYB); |
Ownasaurus | 2:c20d8438f206 | 231 | pc.printf("XLBRB: %x\r\n",XLBRB); |
Ownasaurus | 2:c20d8438f206 | 232 | pc.printf("bkStrtLCRC: %x\r\n",bkStrtLCRC); |
Ownasaurus | 2:c20d8438f206 | 233 | pc.printf("Dpad: %x\r\n",DPad); |
Ownasaurus | 2:c20d8438f206 | 234 | pc.printf("LSY: %u\r\n",LSY); |
Ownasaurus | 2:c20d8438f206 | 235 | pc.printf("LSX: %u\r\n",LSX); |
Ownasaurus | 2:c20d8438f206 | 236 | pc.printf("RSY: %.2f\r\n",RSY); |
Ownasaurus | 2:c20d8438f206 | 237 | pc.printf("RSX: %.2f\r\n",RSX); |
Ownasaurus | 2:c20d8438f206 | 238 | pc.printf("Lt: %.2f\r\n",Lt); |
Ownasaurus | 2:c20d8438f206 | 239 | pc.printf("Rt: %.2f\r\n",Rt); */ |
Ownasaurus | 2:c20d8438f206 | 240 | |
Ownasaurus | 2:c20d8438f206 | 241 | memset(&n64_data,0,4); // clear controller state |
Ownasaurus | 2:c20d8438f206 | 242 | |
Ownasaurus | 2:c20d8438f206 | 243 | if(AXYB & 0x01) // a |
Ownasaurus | 2:c20d8438f206 | 244 | { |
Ownasaurus | 2:c20d8438f206 | 245 | n64_data.a = 1; |
Ownasaurus | 2:c20d8438f206 | 246 | } |
Ownasaurus | 2:c20d8438f206 | 247 | if((AXYB >> 2) & 0x01) // x |
Ownasaurus | 2:c20d8438f206 | 248 | { |
Ownasaurus | 2:c20d8438f206 | 249 | n64_data.b = 1; |
Ownasaurus | 2:c20d8438f206 | 250 | } |
Ownasaurus | 2:c20d8438f206 | 251 | if((AXYB >> 1) & 0x01) // b |
Ownasaurus | 2:c20d8438f206 | 252 | { |
Ownasaurus | 2:c20d8438f206 | 253 | n64_data.z = 1; |
Ownasaurus | 2:c20d8438f206 | 254 | } |
Ownasaurus | 2:c20d8438f206 | 255 | if((AXYB >> 3) & 0x01) // y |
Ownasaurus | 2:c20d8438f206 | 256 | { |
Ownasaurus | 2:c20d8438f206 | 257 | n64_data.c_up = 1; |
Ownasaurus | 2:c20d8438f206 | 258 | } |
Ownasaurus | 2:c20d8438f206 | 259 | if(bkStrtLCRC & 0x01) // start |
Ownasaurus | 2:c20d8438f206 | 260 | { |
Ownasaurus | 2:c20d8438f206 | 261 | n64_data.start = 1; |
Ownasaurus | 2:c20d8438f206 | 262 | } |
Ownasaurus | 2:c20d8438f206 | 263 | if((XLBRB >> 1) & 0x01) // right bumper |
Ownasaurus | 2:c20d8438f206 | 264 | { |
Ownasaurus | 2:c20d8438f206 | 265 | n64_data.r = 1; |
Ownasaurus | 2:c20d8438f206 | 266 | } |
Ownasaurus | 2:c20d8438f206 | 267 | if(XLBRB & 0x01) // left bumper |
Ownasaurus | 2:c20d8438f206 | 268 | { |
Ownasaurus | 2:c20d8438f206 | 269 | n64_data.l = 1; |
Ownasaurus | 2:c20d8438f206 | 270 | } |
Ownasaurus | 2:c20d8438f206 | 271 | if(LSX > DEADZONE) |
Ownasaurus | 2:c20d8438f206 | 272 | { |
Ownasaurus | 2:c20d8438f206 | 273 | n64_data.x_axis = reverse(LSX); |
Ownasaurus | 2:c20d8438f206 | 274 | } |
Ownasaurus | 2:c20d8438f206 | 275 | if(LSY > DEADZONE) |
Ownasaurus | 2:c20d8438f206 | 276 | { |
Ownasaurus | 2:c20d8438f206 | 277 | n64_data.y_axis = reverse(LSY); |
Ownasaurus | 2:c20d8438f206 | 278 | } |
Ownasaurus | 2:c20d8438f206 | 279 | } |
Ownasaurus | 2:c20d8438f206 | 280 | |
Ownasaurus | 2:c20d8438f206 | 281 | void onXpadEvent (int buttons, int stick_lx, int stick_ly, int stick_rx, int stick_ry, int trigger_l, int trigger_r) |
Ownasaurus | 2:c20d8438f206 | 282 | { |
Ownasaurus | 2:c20d8438f206 | 283 | AXYB=buttons>>12; |
Ownasaurus | 2:c20d8438f206 | 284 | XLBRB=(buttons&0x0f00)>>8; |
Ownasaurus | 2:c20d8438f206 | 285 | bkStrtLCRC=(buttons&0x00f0)>>4; |
Ownasaurus | 2:c20d8438f206 | 286 | DPad=buttons&0x000f; |
Ownasaurus | 2:c20d8438f206 | 287 | |
Ownasaurus | 2:c20d8438f206 | 288 | LSY=(char)((int)(stick_ly*sN)); |
Ownasaurus | 2:c20d8438f206 | 289 | LSX=(char)((int)(stick_lx*sN)); |
Ownasaurus | 2:c20d8438f206 | 290 | RSY=stick_ry*sN; |
Ownasaurus | 2:c20d8438f206 | 291 | RSX=stick_rx*sN; |
Ownasaurus | 2:c20d8438f206 | 292 | |
Ownasaurus | 2:c20d8438f206 | 293 | Lt=trigger_l*tN; |
Ownasaurus | 2:c20d8438f206 | 294 | Rt=trigger_r*tN; |
Ownasaurus | 2:c20d8438f206 | 295 | |
Ownasaurus | 2:c20d8438f206 | 296 | XpadValues(buttons, stick_lx, stick_ly, stick_rx, stick_ry, trigger_l, trigger_r); |
Ownasaurus | 2:c20d8438f206 | 297 | } |
Ownasaurus | 2:c20d8438f206 | 298 | |
Ownasaurus | 2:c20d8438f206 | 299 | KeyboardControls* saveData = (KeyboardControls*)0x08000000; // sector 0 address |
Ownasaurus | 0:eb2258e8c4b5 | 300 | |
Ownasaurus | 0:eb2258e8c4b5 | 301 | // 0 is 3 microseconds low followed by 1 microsecond high |
Ownasaurus | 0:eb2258e8c4b5 | 302 | // 1 is 1 microsecond low followed by 3 microseconds high |
Ownasaurus | 0:eb2258e8c4b5 | 303 | unsigned int GetMiddleOfPulse() |
Ownasaurus | 0:eb2258e8c4b5 | 304 | { |
Ownasaurus | 0:eb2258e8c4b5 | 305 | // wait for line to go high |
Ownasaurus | 0:eb2258e8c4b5 | 306 | while(1) |
Ownasaurus | 0:eb2258e8c4b5 | 307 | { |
Ownasaurus | 0:eb2258e8c4b5 | 308 | if(data.read() == 1) break; |
Ownasaurus | 0:eb2258e8c4b5 | 309 | } |
Ownasaurus | 0:eb2258e8c4b5 | 310 | |
Ownasaurus | 0:eb2258e8c4b5 | 311 | // wait for line to go low |
Ownasaurus | 0:eb2258e8c4b5 | 312 | while(1) |
Ownasaurus | 0:eb2258e8c4b5 | 313 | { |
Ownasaurus | 0:eb2258e8c4b5 | 314 | if(data.read() == 0) break; |
Ownasaurus | 0:eb2258e8c4b5 | 315 | } |
Ownasaurus | 0:eb2258e8c4b5 | 316 | |
Ownasaurus | 0:eb2258e8c4b5 | 317 | // now we have the falling edge |
Ownasaurus | 0:eb2258e8c4b5 | 318 | // wait 2 microseconds to be in the middle of the pulse, and read. high --> 1. low --> 0. |
Ownasaurus | 0:eb2258e8c4b5 | 319 | my_wait_us_asm(2); |
Ownasaurus | 0:eb2258e8c4b5 | 320 | return (unsigned int) data.read(); |
Ownasaurus | 0:eb2258e8c4b5 | 321 | } |
Ownasaurus | 0:eb2258e8c4b5 | 322 | |
Ownasaurus | 0:eb2258e8c4b5 | 323 | // continuously read bits until at least 9 are read, confirm valid command, return without stop bit |
Ownasaurus | 0:eb2258e8c4b5 | 324 | unsigned int readCommand() |
Ownasaurus | 0:eb2258e8c4b5 | 325 | { |
Ownasaurus | 0:eb2258e8c4b5 | 326 | unsigned int command = GetMiddleOfPulse(), bits_read = 1; |
Ownasaurus | 0:eb2258e8c4b5 | 327 | |
Ownasaurus | 0:eb2258e8c4b5 | 328 | while(1) // read at least 9 bits (2 bytes + stop bit) |
Ownasaurus | 0:eb2258e8c4b5 | 329 | { |
Ownasaurus | 0:eb2258e8c4b5 | 330 | //my_wait_us_asm(4); |
Ownasaurus | 0:eb2258e8c4b5 | 331 | command = command << 1; // make room for the new bit |
Ownasaurus | 0:eb2258e8c4b5 | 332 | //command += data.read(); // place the new bit into the command |
Ownasaurus | 0:eb2258e8c4b5 | 333 | command += GetMiddleOfPulse(); |
Ownasaurus | 0:eb2258e8c4b5 | 334 | command &= 0x1FF; // remove all except the last 9 bits |
Ownasaurus | 0:eb2258e8c4b5 | 335 | |
Ownasaurus | 0:eb2258e8c4b5 | 336 | bits_read++; |
Ownasaurus | 0:eb2258e8c4b5 | 337 | |
Ownasaurus | 0:eb2258e8c4b5 | 338 | if(bits_read >= 9) // only consider when at least a whole command's length has been read |
Ownasaurus | 0:eb2258e8c4b5 | 339 | { |
Ownasaurus | 1:3c21da72660d | 340 | if(command == 0x3 || command == 0x1 || command == 0x1FF || command == 0x5 || command == 0x7) |
Ownasaurus | 0:eb2258e8c4b5 | 341 | { |
Ownasaurus | 0:eb2258e8c4b5 | 342 | // 0x3 = 0x1 + stop bit --> get controller state |
Ownasaurus | 0:eb2258e8c4b5 | 343 | // 0x1 = 0x0 + stop bit --> who are you? |
Ownasaurus | 0:eb2258e8c4b5 | 344 | // 0x1FF = 0xFF + stop bit --> reset signal |
Ownasaurus | 1:3c21da72660d | 345 | // 0x5 = 0x10 + stop bit --> read |
Ownasaurus | 1:3c21da72660d | 346 | // 0x7 = 0x11 + stop bit --> write |
Ownasaurus | 0:eb2258e8c4b5 | 347 | command = command >> 1; // get rid of the stop bit |
Ownasaurus | 0:eb2258e8c4b5 | 348 | return command; |
Ownasaurus | 0:eb2258e8c4b5 | 349 | } |
Ownasaurus | 0:eb2258e8c4b5 | 350 | } |
Ownasaurus | 0:eb2258e8c4b5 | 351 | } |
Ownasaurus | 0:eb2258e8c4b5 | 352 | } |
Ownasaurus | 0:eb2258e8c4b5 | 353 | |
Ownasaurus | 0:eb2258e8c4b5 | 354 | void write_1() |
Ownasaurus | 0:eb2258e8c4b5 | 355 | { |
Ownasaurus | 0:eb2258e8c4b5 | 356 | data = 0; |
Ownasaurus | 0:eb2258e8c4b5 | 357 | my_wait_us_asm(1); |
Ownasaurus | 0:eb2258e8c4b5 | 358 | data = 1; |
Ownasaurus | 0:eb2258e8c4b5 | 359 | my_wait_us_asm(3); |
Ownasaurus | 0:eb2258e8c4b5 | 360 | //pc.printf("1"); |
Ownasaurus | 0:eb2258e8c4b5 | 361 | } |
Ownasaurus | 0:eb2258e8c4b5 | 362 | |
Ownasaurus | 0:eb2258e8c4b5 | 363 | void write_0() |
Ownasaurus | 0:eb2258e8c4b5 | 364 | { |
Ownasaurus | 0:eb2258e8c4b5 | 365 | data = 0; |
Ownasaurus | 0:eb2258e8c4b5 | 366 | my_wait_us_asm(3); |
Ownasaurus | 0:eb2258e8c4b5 | 367 | data = 1; |
Ownasaurus | 0:eb2258e8c4b5 | 368 | my_wait_us_asm(1); |
Ownasaurus | 0:eb2258e8c4b5 | 369 | //pc.printf("0"); |
Ownasaurus | 0:eb2258e8c4b5 | 370 | } |
Ownasaurus | 0:eb2258e8c4b5 | 371 | |
Ownasaurus | 0:eb2258e8c4b5 | 372 | |
Ownasaurus | 1:3c21da72660d | 373 | void SendStop() |
Ownasaurus | 0:eb2258e8c4b5 | 374 | { |
Ownasaurus | 0:eb2258e8c4b5 | 375 | data = 0; |
Ownasaurus | 0:eb2258e8c4b5 | 376 | my_wait_us_asm(1); |
Ownasaurus | 0:eb2258e8c4b5 | 377 | data = 1; |
Ownasaurus | 0:eb2258e8c4b5 | 378 | } |
Ownasaurus | 0:eb2258e8c4b5 | 379 | |
Ownasaurus | 1:3c21da72660d | 380 | // send a byte from LSB to MSB (proper serialization) |
Ownasaurus | 1:3c21da72660d | 381 | void SendByte(unsigned char b) |
Ownasaurus | 0:eb2258e8c4b5 | 382 | { |
Ownasaurus | 0:eb2258e8c4b5 | 383 | for(int i = 0;i < 8;i++) // send all 8 bits, one at a time |
Ownasaurus | 0:eb2258e8c4b5 | 384 | { |
Ownasaurus | 0:eb2258e8c4b5 | 385 | if((b >> i) & 1) |
Ownasaurus | 0:eb2258e8c4b5 | 386 | { |
Ownasaurus | 0:eb2258e8c4b5 | 387 | write_1(); |
Ownasaurus | 0:eb2258e8c4b5 | 388 | } |
Ownasaurus | 0:eb2258e8c4b5 | 389 | else |
Ownasaurus | 0:eb2258e8c4b5 | 390 | { |
Ownasaurus | 0:eb2258e8c4b5 | 391 | write_0(); |
Ownasaurus | 0:eb2258e8c4b5 | 392 | } |
Ownasaurus | 0:eb2258e8c4b5 | 393 | } |
Ownasaurus | 0:eb2258e8c4b5 | 394 | } |
Ownasaurus | 0:eb2258e8c4b5 | 395 | |
Ownasaurus | 1:3c21da72660d | 396 | void SendIdentity() |
Ownasaurus | 1:3c21da72660d | 397 | { |
Ownasaurus | 1:3c21da72660d | 398 | // reply 0x05, 0x00, 0x02 |
Ownasaurus | 1:3c21da72660d | 399 | SendByte(0x05); |
Ownasaurus | 1:3c21da72660d | 400 | SendByte(0x00); |
Ownasaurus | 1:3c21da72660d | 401 | SendByte(0x02); |
Ownasaurus | 1:3c21da72660d | 402 | SendStop(); |
Ownasaurus | 1:3c21da72660d | 403 | } |
Ownasaurus | 1:3c21da72660d | 404 | |
Ownasaurus | 1:3c21da72660d | 405 | void SendControllerData() |
Ownasaurus | 1:3c21da72660d | 406 | { |
Ownasaurus | 1:3c21da72660d | 407 | unsigned long data = *(unsigned long*)&n64_data; |
Ownasaurus | 1:3c21da72660d | 408 | unsigned int size = sizeof(data) * 8; // should be 4 bytes * 8 = 32 bits |
Ownasaurus | 1:3c21da72660d | 409 | |
Ownasaurus | 1:3c21da72660d | 410 | for(unsigned int i = 0;i < size;i++) |
Ownasaurus | 1:3c21da72660d | 411 | { |
Ownasaurus | 1:3c21da72660d | 412 | if((data >> i) & 1) |
Ownasaurus | 1:3c21da72660d | 413 | { |
Ownasaurus | 1:3c21da72660d | 414 | write_1(); |
Ownasaurus | 1:3c21da72660d | 415 | } |
Ownasaurus | 1:3c21da72660d | 416 | else |
Ownasaurus | 1:3c21da72660d | 417 | { |
Ownasaurus | 1:3c21da72660d | 418 | write_0(); |
Ownasaurus | 1:3c21da72660d | 419 | } |
Ownasaurus | 1:3c21da72660d | 420 | } |
Ownasaurus | 1:3c21da72660d | 421 | |
Ownasaurus | 1:3c21da72660d | 422 | SendStop(); |
Ownasaurus | 1:3c21da72660d | 423 | } |
Ownasaurus | 1:3c21da72660d | 424 | |
Ownasaurus | 2:c20d8438f206 | 425 | // does not work. need to unlock ? |
Ownasaurus | 2:c20d8438f206 | 426 | void SaveControls() |
Ownasaurus | 2:c20d8438f206 | 427 | { |
Ownasaurus | 2:c20d8438f206 | 428 | memcpy(saveData,&kc,sizeof(KeyboardControls)); |
Ownasaurus | 2:c20d8438f206 | 429 | pc.printf("Controls have been saved!\r\n"); |
Ownasaurus | 2:c20d8438f206 | 430 | } |
Ownasaurus | 2:c20d8438f206 | 431 | |
Ownasaurus | 2:c20d8438f206 | 432 | void LoadControls() |
Ownasaurus | 1:3c21da72660d | 433 | { |
Ownasaurus | 2:c20d8438f206 | 434 | memcpy(&kc,saveData,sizeof(KeyboardControls)); |
Ownasaurus | 2:c20d8438f206 | 435 | pc.printf("Controls have been loaded!\r\n"); |
Ownasaurus | 2:c20d8438f206 | 436 | } |
Ownasaurus | 2:c20d8438f206 | 437 | |
Ownasaurus | 2:c20d8438f206 | 438 | void Test() |
Ownasaurus | 2:c20d8438f206 | 439 | { |
Ownasaurus | 2:c20d8438f206 | 440 | pc.printf("sizeof(KeyboardControls) is %d\r\n",sizeof(KeyboardControls)); |
Ownasaurus | 2:c20d8438f206 | 441 | saveData->Print(); |
Ownasaurus | 2:c20d8438f206 | 442 | SaveControls(); |
Ownasaurus | 2:c20d8438f206 | 443 | saveData->Print(); |
Ownasaurus | 1:3c21da72660d | 444 | } |
Ownasaurus | 1:3c21da72660d | 445 | |
Ownasaurus | 0:eb2258e8c4b5 | 446 | int main() |
Ownasaurus | 0:eb2258e8c4b5 | 447 | { |
Ownasaurus | 2:c20d8438f206 | 448 | pc.printf("\r\nNow loaded! SystemCoreClock = %d Hz\r\n", SystemCoreClock); |
Ownasaurus | 2:c20d8438f206 | 449 | //Test(); |
Ownasaurus | 2:c20d8438f206 | 450 | //LoadControls(); |
Ownasaurus | 1:3c21da72660d | 451 | |
Ownasaurus | 2:c20d8438f206 | 452 | USBHostXpad xpad; |
Ownasaurus | 2:c20d8438f206 | 453 | if (!xpad.connect()) { |
Ownasaurus | 2:c20d8438f206 | 454 | pc.printf("Error: XBox controller not found.\n"); |
Ownasaurus | 1:3c21da72660d | 455 | } |
Ownasaurus | 2:c20d8438f206 | 456 | |
Ownasaurus | 2:c20d8438f206 | 457 | //int USBHostXpad::read (PAD pad) <-- try using this instead of callbacks |
Ownasaurus | 2:c20d8438f206 | 458 | xpad.attachEvent(onXpadEvent); |
Ownasaurus | 2:c20d8438f206 | 459 | xpad.led(USBHostXpad::LED1_ON); |
Ownasaurus | 0:eb2258e8c4b5 | 460 | |
Ownasaurus | 0:eb2258e8c4b5 | 461 | while(1) |
Ownasaurus | 0:eb2258e8c4b5 | 462 | { |
Ownasaurus | 0:eb2258e8c4b5 | 463 | // Set pin mode to input |
Ownasaurus | 0:eb2258e8c4b5 | 464 | data.input(); |
Ownasaurus | 0:eb2258e8c4b5 | 465 | |
Ownasaurus | 1:3c21da72660d | 466 | USBHost::poll(); |
Ownasaurus | 1:3c21da72660d | 467 | |
Ownasaurus | 1:3c21da72660d | 468 | __disable_irq(); // Disable Interrupts |
Ownasaurus | 1:3c21da72660d | 469 | // Read 64 command |
Ownasaurus | 0:eb2258e8c4b5 | 470 | unsigned int cmd = readCommand(); |
Ownasaurus | 0:eb2258e8c4b5 | 471 | |
Ownasaurus | 0:eb2258e8c4b5 | 472 | my_wait_us_asm(2); // wait a small amount of time before replying |
Ownasaurus | 1:3c21da72660d | 473 | |
Ownasaurus | 1:3c21da72660d | 474 | //-------- SEND RESPONSE |
Ownasaurus | 0:eb2258e8c4b5 | 475 | // Set pin mode to output |
Ownasaurus | 0:eb2258e8c4b5 | 476 | data.output(); |
Ownasaurus | 0:eb2258e8c4b5 | 477 | |
Ownasaurus | 0:eb2258e8c4b5 | 478 | switch(cmd) |
Ownasaurus | 0:eb2258e8c4b5 | 479 | { |
Ownasaurus | 0:eb2258e8c4b5 | 480 | case 0x00: // identity |
Ownasaurus | 0:eb2258e8c4b5 | 481 | case 0xFF: // reset |
Ownasaurus | 1:3c21da72660d | 482 | SendIdentity(); |
Ownasaurus | 0:eb2258e8c4b5 | 483 | break; |
Ownasaurus | 0:eb2258e8c4b5 | 484 | case 0x01: // poll for state |
Ownasaurus | 1:3c21da72660d | 485 | SendControllerData(); |
Ownasaurus | 1:3c21da72660d | 486 | break; |
Ownasaurus | 1:3c21da72660d | 487 | default: |
Ownasaurus | 1:3c21da72660d | 488 | // we do not process the read and write commands (memory pack) |
Ownasaurus | 1:3c21da72660d | 489 | break; |
Ownasaurus | 0:eb2258e8c4b5 | 490 | } |
Ownasaurus | 1:3c21da72660d | 491 | __enable_irq(); // Enable Interrupts |
Ownasaurus | 1:3c21da72660d | 492 | //-------- DONE SENDING RESPOSE |
Ownasaurus | 0:eb2258e8c4b5 | 493 | } |
Ownasaurus | 0:eb2258e8c4b5 | 494 | } |