| 1 | #include <stdlib.h> |
| 2 | #include <fcntl.h> |
| 3 | #include <signal.h> |
| 4 | #include <unistd.h> |
| 5 | #include <string.h> |
| 6 | #include <stdio.h> |
| 7 | #include <stdlib.h> |
| 8 | #include <time.h> |
| 9 | |
| 10 | #include <sys/types.h> |
| 11 | #include <sys/gpio.h> |
| 12 | #include <sys/ioctl.h> |
| 13 | |
| 14 | #include "pins.h" |
| 15 | |
| 16 | #define UP(N) set_pin(N, 1) |
| 17 | #define DOWN(N) set_pin(N, 0) |
| 18 | |
| 19 | #define HI(N) set(N, 1) |
| 20 | #define LO(N) set(N, 0) |
| 21 | |
| 22 | void test_7seg(); |
| 23 | |
| 24 | void kd2() { |
| 25 | usleep(5000); |
| 26 | } |
| 27 | |
| 28 | void kdh() { |
| 29 | usleep(2500); |
| 30 | } |
| 31 | |
| 32 | void kd1() { |
| 33 | usleep(1); |
| 34 | } |
| 35 | |
| 36 | uint8_t sample(char *name) { |
| 37 | struct gpio_pin_op op; |
| 38 | struct pin2dev *p = pin(name); |
| 39 | int fd = num2fd(p->dev), t; |
| 40 | |
| 41 | strlcpy(op.gp_name, name, GPIOPINMAXNAME); |
| 42 | |
| 43 | t = ioctl(fd, GPIOPINREAD, &op); |
| 44 | |
| 45 | // printf("read %d, err: %d\n", op.gp_value, t); |
| 46 | |
| 47 | return op.gp_value; |
| 48 | } |
| 49 | |
| 50 | void test_pins() { |
| 51 | for(;;) { |
| 52 | HI("clk"); |
| 53 | HI("clkinh"); |
| 54 | LO("shld"); |
| 55 | HI("clr"); |
| 56 | kd1(); |
| 57 | LO("clk"); |
| 58 | LO("clkinh"); |
| 59 | LO("shld"); |
| 60 | LO("clr"); |
| 61 | kd1(); |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | /* call when clk is hi */ |
| 66 | void tick(int n) { |
| 67 | int i = 0; |
| 68 | |
| 69 | for(; i < n; i++) { |
| 70 | LO("clk"); |
| 71 | kd2(); |
| 72 | HI("clk"); |
| 73 | kd2(); |
| 74 | } |
| 75 | sample("srq1"); |
| 76 | } |
| 77 | |
| 78 | void clear() { |
| 79 | HI("clk"); |
| 80 | LO("clkinh"); |
| 81 | kdh(); |
| 82 | LO("clr"); |
| 83 | kdh(); |
| 84 | LO("clk"); |
| 85 | kdh(); |
| 86 | HI("clr"); |
| 87 | kdh(); |
| 88 | HI("clk"); |
| 89 | kd2(); |
| 90 | } |
| 91 | |
| 92 | uint8_t sample_byte(char *name) { |
| 93 | uint8_t ret = 0; |
| 94 | int i = 8; |
| 95 | |
| 96 | for(; i > 0; i--) { |
| 97 | ret |= (sample(name) << i); |
| 98 | kd2(); |
| 99 | LO("clk"); |
| 100 | kd2(); |
| 101 | HI("clk"); |
| 102 | } |
| 103 | |
| 104 | return ret; |
| 105 | } |
| 106 | |
| 107 | void sample_bytes() { |
| 108 | uint8_t ret[6]; |
| 109 | int i = 8, j = 0; |
| 110 | char *s; |
| 111 | |
| 112 | s = calloc(10, 1); |
| 113 | memset(&ret[0], 0, 6); |
| 114 | |
| 115 | for(; i > 0; i--) { |
| 116 | for(j = 0; j < 6; j++) { |
| 117 | sprintf(s, "srq%d", j + 1); |
| 118 | ret[j] |= sample(s); |
| 119 | } |
| 120 | kd2(); |
| 121 | LO("clk"); |
| 122 | kd2(); |
| 123 | HI("clk"); |
| 124 | } |
| 125 | |
| 126 | for(i = 0; i < 6; i++) |
| 127 | printf("SRQ%d: %02x\n", i + 1, ret[i]); |
| 128 | |
| 129 | printf("\n\n\n"); |
| 130 | } |
| 131 | |
| 132 | int main(int argc, char *argv[]) { |
| 133 | |
| 134 | uint8_t b; |
| 135 | |
| 136 | signal(SIGINT, inth); |
| 137 | |
| 138 | pins_init(); |
| 139 | config_pins(); |
| 140 | pincnt(); |
| 141 | |
| 142 | pcfg(1, 7, -1, INPUT | PULLDOWN, "srq1"); |
| 143 | pcfg(1, 3, -1, INPUT | PULLDOWN, "srq2"); |
| 144 | pcfg(1, 12, -1, INPUT | PULLDOWN, "srq3"); |
| 145 | pcfg(0, 26, -1, INPUT | PULLDOWN, "srq4"); |
| 146 | pcfg(1, 14, -1, INPUT | PULLDOWN, "srq5"); |
| 147 | pcfg(2, 1, -1, INPUT | PULLDOWN, "srq6"); |
| 148 | pcfg(1, 13, 0, OUTPUT, "clk"); |
| 149 | pcfg(1, 15, 0, OUTPUT, "shld"); |
| 150 | pcfg(0, 27, 0, OUTPUT, "clr"); |
| 151 | pcfg(2, 2, 0, OUTPUT, "clkinh"); |
| 152 | |
| 153 | /* 7 seg */ |
| 154 | pcfg(2, 10, 0, OUTPUT, "ss-rst"); |
| 155 | pcfg(2, 12, 0, OUTPUT, "ss-clk"); |
| 156 | // test_7seg(); |
| 157 | |
| 158 | start(); |
| 159 | byte(0x8f); |
| 160 | stop(); |
| 161 | |
| 162 | LO("clk"); |
| 163 | HI("clkinh"); |
| 164 | HI("clr"); |
| 165 | HI("shld"); |
| 166 | |
| 167 | sleep(1); |
| 168 | for(;;){ |
| 169 | LO("clk"); |
| 170 | HI("clkinh"); |
| 171 | HI("clr"); |
| 172 | HI("shld"); |
| 173 | kd2(); |
| 174 | kd2(); |
| 175 | clear(); |
| 176 | |
| 177 | LO("clk"); |
| 178 | LO("shld"); |
| 179 | kd2(); |
| 180 | HI("clk"); |
| 181 | kdh(); |
| 182 | HI("clkinh"); |
| 183 | kdh(); |
| 184 | LO("clk"); |
| 185 | |
| 186 | HI("shld"); |
| 187 | kdh(); |
| 188 | kdh(); |
| 189 | HI("clk"); |
| 190 | kd2(); |
| 191 | LO("clk"); |
| 192 | LO("clkinh"); |
| 193 | kd2(); |
| 194 | HI("clk"); |
| 195 | |
| 196 | b = sample_byte("srq1"); |
| 197 | printf("TEST: 0x%02x\n", b); |
| 198 | // sample_bytes(); |
| 199 | |
| 200 | kd2(); |
| 201 | // tick(16); |
| 202 | // tick(7); |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | void test_7seg() { |
| 207 | |
| 208 | HI("ss-rst"); |
| 209 | sleep(1); |
| 210 | LO("ss-rst"); |
| 211 | |
| 212 | for(;;) { |
| 213 | HI("ss-clk"); |
| 214 | usleep(50000); |
| 215 | LO("ss-clk"); |
| 216 | usleep(50000); |
| 217 | } |
| 218 | |
| 219 | } |