|
| 1 | +/* |
| 2 | + * 27c.c |
| 3 | + * |
| 4 | + * Created: 04.05.2019 19:01:09 |
| 5 | + * Author: Peter Buchegger |
| 6 | + */ |
| 7 | + |
| 8 | + |
| 9 | +#include <stdint.h> |
| 10 | +#include <stdio.h> |
| 11 | +#include <util/delay.h> |
| 12 | +#include "COM/UART.h" |
| 13 | +#define _DEBUG |
| 14 | +#include "Debug.h" |
| 15 | +#include "System.h" |
| 16 | + |
| 17 | +#include "io.h" |
| 18 | +#include "27c.h" |
| 19 | + |
| 20 | +void setup_power(eprom_setting_t * setting) |
| 21 | +{ |
| 22 | + printf("vpp: %c\n", '0'+setting->vpp_power); |
| 23 | + if(setting->vpp_power == VPP_12V5) |
| 24 | + { |
| 25 | + DEBUG_OUT("Set VPP to 12.5V.\n"); |
| 26 | + set_low(vpp_21v_pin); |
| 27 | + set_high(vpp_12v5_pin); |
| 28 | + } |
| 29 | + else if(setting->vpp_power == VPP_21V) |
| 30 | + { |
| 31 | + DEBUG_OUT("Set VPP to 21V.\n"); |
| 32 | + set_low(vpp_12v5_pin); |
| 33 | + set_high(vpp_21v_pin); |
| 34 | + } else { |
| 35 | + DEBUG_OUT("ERROR in VPP setting"); |
| 36 | + } |
| 37 | +} |
| 38 | + |
| 39 | +void setup_relay(eprom_setting_t * setting) |
| 40 | +{ |
| 41 | + if(setting->sig_add11_vpp_activ == USE_ADD) |
| 42 | + { |
| 43 | + set_low(sig_add11_vpp_pin); |
| 44 | + } |
| 45 | + else |
| 46 | + { |
| 47 | + set_high(sig_add11_vpp_pin); |
| 48 | + } |
| 49 | + if(setting->sig_add13_vcc_activ == USE_ADD) |
| 50 | + { |
| 51 | + set_low(sig_add13_vcc_pin); |
| 52 | + } |
| 53 | + else |
| 54 | + { |
| 55 | + set_high(sig_add13_vcc_pin); |
| 56 | + } |
| 57 | + if(setting->sig_add15_vpp_activ == USE_ADD) |
| 58 | + { |
| 59 | + set_low(sig_add15_vpp_pin); |
| 60 | + } |
| 61 | + else |
| 62 | + { |
| 63 | + set_high(sig_add15_vpp_pin); |
| 64 | + } |
| 65 | + if(setting->sig_add17_vcc_activ == USE_ADD) |
| 66 | + { |
| 67 | + set_low(sig_add17_vcc_pin); |
| 68 | + } |
| 69 | + else |
| 70 | + { |
| 71 | + set_high(sig_add17_vcc_pin); |
| 72 | + } |
| 73 | + if(setting->sig_add19_vpp_activ == USE_ADD) |
| 74 | + { |
| 75 | + set_low(sig_add19_vpp_pin); |
| 76 | + } |
| 77 | + else |
| 78 | + { |
| 79 | + set_high(sig_add19_vpp_pin); |
| 80 | + } |
| 81 | + set_high(CE_pin); |
| 82 | + set_high(OE_pin); |
| 83 | +} |
| 84 | + |
| 85 | +void read_data_start(eprom_setting_t * setting) |
| 86 | +{ |
| 87 | + // set_low(E) |
| 88 | + set_low(CE_pin); |
| 89 | + |
| 90 | + _delay_us(0.100); |
| 91 | + |
| 92 | + // set_low(G) |
| 93 | + set_low(OE_pin); |
| 94 | + |
| 95 | + _delay_us(0.050); |
| 96 | +} |
| 97 | + |
| 98 | +uint32_t read_data(eprom_setting_t * setting, uint32_t address) |
| 99 | +{ |
| 100 | + // set ADD |
| 101 | + set_pins_map(&address_map, address); |
| 102 | + |
| 103 | + _delay_us(0.100); |
| 104 | + |
| 105 | + // read DATA |
| 106 | + uint32_t data = get_status_map(&data_map); |
| 107 | + |
| 108 | + return data; |
| 109 | +} |
| 110 | + |
| 111 | +void read_data_end(eprom_setting_t * setting) |
| 112 | +{ |
| 113 | + // set_high(E, G) |
| 114 | + set_high(CE_pin); |
| 115 | + set_high(OE_pin); |
| 116 | +} |
| 117 | + |
| 118 | +void program_data_start(eprom_setting_t * setting) |
| 119 | +{ |
| 120 | + set_high(sig_oe_vpp_pin); |
| 121 | + sleep(2); |
| 122 | + |
| 123 | + // set VPP |
| 124 | + set_low(vpp_on_pin); |
| 125 | +} |
| 126 | + |
| 127 | +void program_data(eprom_setting_t * setting, uint32_t address, uint8_t data) |
| 128 | +{ |
| 129 | + // set ADD |
| 130 | + set_pins_map(&address_map, address); |
| 131 | + // set DATA |
| 132 | + set_output_map(&data_map); |
| 133 | + set_pins_map(&data_map, data); |
| 134 | + _delay_us(2); |
| 135 | + // set_low(E) |
| 136 | + set_low(CE_pin); |
| 137 | + // wait 50 us |
| 138 | + _delay_us(50); |
| 139 | + // set_high(E) |
| 140 | + set_high(CE_pin); |
| 141 | + _delay_us(2); |
| 142 | + sleep(2); |
| 143 | +} |
| 144 | + |
| 145 | +void program_data_end(eprom_setting_t * setting) |
| 146 | +{ |
| 147 | + // remove DATA |
| 148 | + set_pins_map(&data_map, 0); |
| 149 | + set_input_map(&data_map); |
| 150 | + // set_low(VPP) |
| 151 | + set_high(vpp_on_pin); |
| 152 | + set_low(sig_oe_vpp_pin); |
| 153 | + _delay_us(2); |
| 154 | +} |
| 155 | + |
| 156 | + |
| 157 | +eprom_setting_t M27C801 = { |
| 158 | + .name = "27C801", |
| 159 | + .vpp_power = VPP_12V5, |
| 160 | + .sig_oe_vpp_activ = USE_v, |
| 161 | + .sig_add11_vpp_activ = USE_ADD, |
| 162 | + .sig_add13_vcc_activ = USE_ADD, |
| 163 | + .sig_add15_vpp_activ = USE_ADD, |
| 164 | + .sig_add17_vcc_activ = USE_ADD, |
| 165 | + .sig_add19_vpp_activ = USE_ADD, |
| 166 | + .address_pins_count = 20, |
| 167 | + .max_data = 2^20, |
| 168 | +}; |
| 169 | + |
| 170 | +eprom_setting_t M27C4001 = { |
| 171 | + .name = "27C4001 (not tested)", |
| 172 | + .vpp_power = VPP_12V5, |
| 173 | + .sig_oe_vpp_activ = USE_ADD, |
| 174 | + .sig_add11_vpp_activ = USE_ADD, |
| 175 | + .sig_add13_vcc_activ = USE_ADD, |
| 176 | + .sig_add15_vpp_activ = USE_ADD, |
| 177 | + .sig_add17_vcc_activ = USE_ADD, |
| 178 | + .sig_add19_vpp_activ = USE_v, |
| 179 | + .address_pins_count = 19, |
| 180 | + .max_data = 2^19, |
| 181 | +}; |
| 182 | + |
| 183 | +eprom_setting_t M27C2001 = { |
| 184 | + .name = "27C2001 (not tested)", |
| 185 | + .vpp_power = VPP_12V5, |
| 186 | + .sig_oe_vpp_activ = USE_ADD, |
| 187 | + .sig_add11_vpp_activ = USE_ADD, |
| 188 | + .sig_add13_vcc_activ = USE_ADD, |
| 189 | + .sig_add15_vpp_activ = USE_ADD, |
| 190 | + .sig_add17_vcc_activ = USE_ADD, |
| 191 | + .sig_add19_vpp_activ = USE_v, |
| 192 | + .address_pins_count = 18, |
| 193 | + .max_data = 2^18, |
| 194 | +}; |
| 195 | + |
| 196 | +eprom_setting_t M27C1001 = { |
| 197 | + .name = "27C1001 (not tested)", |
| 198 | + .vpp_power = VPP_12V5, |
| 199 | + .sig_oe_vpp_activ = USE_ADD, |
| 200 | + .sig_add11_vpp_activ = USE_ADD, |
| 201 | + .sig_add13_vcc_activ = USE_ADD, |
| 202 | + .sig_add15_vpp_activ = USE_ADD, |
| 203 | + .sig_add17_vcc_activ = USE_ADD, |
| 204 | + .sig_add19_vpp_activ = USE_v, |
| 205 | + .address_pins_count = 17, |
| 206 | + .max_data = 2^17, |
| 207 | +}; |
| 208 | + |
| 209 | +eprom_setting_t M27C512 = { |
| 210 | + .name = "27C512 (not tested)", |
| 211 | + .vpp_power = VPP_12V5, |
| 212 | + .sig_oe_vpp_activ = USE_v, |
| 213 | + .sig_add11_vpp_activ = USE_ADD, |
| 214 | + .sig_add13_vcc_activ = USE_ADD, |
| 215 | + .sig_add15_vpp_activ = USE_ADD, |
| 216 | + .sig_add17_vcc_activ = USE_v, |
| 217 | + .sig_add19_vpp_activ = USE_ADD, |
| 218 | + .address_pins_count = 16, |
| 219 | + .max_data = 2^16, |
| 220 | +}; |
| 221 | + |
| 222 | +eprom_setting_t M27C256 = { |
| 223 | + .name = "27C256 (not tested)", |
| 224 | + .vpp_power = VPP_12V5, |
| 225 | + .sig_oe_vpp_activ = USE_ADD, |
| 226 | + .sig_add11_vpp_activ = USE_ADD, |
| 227 | + .sig_add13_vcc_activ = USE_ADD, |
| 228 | + .sig_add15_vpp_activ = USE_v, |
| 229 | + .sig_add17_vcc_activ = USE_v, |
| 230 | + .sig_add19_vpp_activ = USE_ADD, |
| 231 | + .address_pins_count = 15, |
| 232 | + .max_data = 2^15, |
| 233 | +}; |
| 234 | + |
| 235 | +eprom_setting_t M27C128 = { |
| 236 | + .name = "27C128 (not tested)", |
| 237 | + .vpp_power = VPP_12V5, |
| 238 | + .sig_oe_vpp_activ = USE_ADD, |
| 239 | + .sig_add11_vpp_activ = USE_ADD, |
| 240 | + .sig_add13_vcc_activ = USE_ADD, |
| 241 | + .sig_add15_vpp_activ = USE_v, |
| 242 | + .sig_add17_vcc_activ = USE_v, |
| 243 | + .sig_add19_vpp_activ = USE_ADD, |
| 244 | + .address_pins_count = 14, |
| 245 | + .max_data = 2^14, |
| 246 | +}; |
| 247 | + |
| 248 | +eprom_setting_t M27C64 = { |
| 249 | + .name = "27C64 (not tested)", |
| 250 | + .vpp_power = VPP_12V5, |
| 251 | + .sig_oe_vpp_activ = USE_ADD, |
| 252 | + .sig_add11_vpp_activ = USE_ADD, |
| 253 | + .sig_add13_vcc_activ = USE_ADD, |
| 254 | + .sig_add15_vpp_activ = USE_v, |
| 255 | + .sig_add17_vcc_activ = USE_v, |
| 256 | + .sig_add19_vpp_activ = USE_ADD, |
| 257 | + .address_pins_count = 13, |
| 258 | + .max_data = 2^13, |
| 259 | +}; |
| 260 | + |
| 261 | +eprom_setting_t M27C32 = { |
| 262 | + .name = "27C32 (not tested)", |
| 263 | + .vpp_power = VPP_12V5, |
| 264 | + .sig_oe_vpp_activ = USE_v, |
| 265 | + .sig_add11_vpp_activ = USE_ADD, |
| 266 | + .sig_add13_vcc_activ = USE_v, |
| 267 | + .sig_add15_vpp_activ = USE_ADD, |
| 268 | + .sig_add17_vcc_activ = USE_ADD, |
| 269 | + .sig_add19_vpp_activ = USE_ADD, |
| 270 | + .address_pins_count = 12, |
| 271 | + .max_data = 2^12, |
| 272 | +}; |
| 273 | + |
| 274 | +eprom_setting_t M27C16 = { |
| 275 | + .name = "27C16 (not tested)", |
| 276 | + .vpp_power = VPP_12V5, |
| 277 | + .sig_oe_vpp_activ = USE_ADD, |
| 278 | + .sig_add11_vpp_activ = USE_v, |
| 279 | + .sig_add13_vcc_activ = USE_v, |
| 280 | + .sig_add15_vpp_activ = USE_ADD, |
| 281 | + .sig_add17_vcc_activ = USE_ADD, |
| 282 | + .sig_add19_vpp_activ = USE_ADD, |
| 283 | + .address_pins_count = 11, |
| 284 | + .max_data = 2^11, |
| 285 | +}; |
| 286 | + |
| 287 | +eprom_setting_t * eprom_settings[] = { |
| 288 | + &M27C801, |
| 289 | + &M27C4001, |
| 290 | + &M27C2001, // ADD18 = PGM |
| 291 | + &M27C1001, // ADD18 = PGM |
| 292 | + &M27C512, |
| 293 | + &M27C256, |
| 294 | + &M27C128, |
| 295 | + &M27C64, |
| 296 | + &M27C32, |
| 297 | + &M27C16, |
| 298 | + 0, |
| 299 | +}; |
0 commit comments