-/* ALL LEDs */
-const uint8_t led_all[83] = {
- 0x24,
- 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
- 0x34,
- 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
- 0x44,
- 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
- 0x54,
- 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
- 0x64,
- 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
- 0x74,
- 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
- 0x84,
- 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
- 0x94,
- 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
- 0xA4,
- 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
-};
+void set_led_bit (uint8_t page, uint8_t *led_control_word, uint8_t led_addr, uint8_t action) {
+ //returns 2 bytes: led control register address and byte to write
+ //action: 0 - off, 1 - on, 2 - toggle, 4 - blink on, 5 - blink off, 6 - toggle blink
+
+ uint8_t control_reg_addr, column_bit, column_byte, temp, blink_bit;
+
+ //check for valid led address
+ if (led_addr < 0 || led_addr > 87 || led_addr % 10 > 8) {
+ return;
+ }
+
+ blink_bit = action>>2;//check for blink bit
+ action &= ~(1<<2); //strip blink bit
+
+ //led_addr tens column is pin#, ones column is bit position in 8-bit mask
+ control_reg_addr = ((led_addr / 10) % 10 - 1 ) * 0x02;// A-matrix is every other byte
+ control_reg_addr += blink_bit == 1 ? 0x12 : 0x00;//if blink_bit, shift 12 bytes to blink register
+
+ is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_ON);
+ chThdSleepMilliseconds(5);
+ is31_read_register(page, control_reg_addr, &temp);//maintain status of leds on this byte
+ is31_write_register(IS31_FUNCTIONREG, IS31_REG_SHUTDOWN, IS31_REG_SHUTDOWN_OFF);
+
+ column_bit = 1<<(led_addr % 10 - 1);
+ column_byte = temp;
+
+ switch(action) {
+ case 0:
+ column_byte &= ~column_bit;
+ break;
+ case 1:
+ column_byte |= column_bit;
+ break;
+ case 2:
+ column_byte ^= column_bit;
+ break;
+ }
+
+ //return word to be written in register
+ led_control_word[0] = control_reg_addr;
+ led_control_word[1] = column_byte;
+ is31_write_data (page, led_control_word, 0x02);
+}
+
+void write_led_byte (uint8_t page, uint8_t row, uint8_t led_byte) {
+ uint8_t led_control_word[2] = {0};//register address and on/off byte
+
+ led_control_word[0] = (row - 1 ) * 0x02;// A-matrix is every other byte
+ led_control_word[1] = led_byte;
+ is31_write_data(page, led_control_word, 0x02);
+}
+
+void write_led_page (uint8_t page, uint8_t *user_led_array, uint8_t led_count) {
+ uint8_t i;
+ uint8_t pin, col;
+ uint8_t led_control_register[0x13] = {0};
+
+ __builtin_memset(led_control_register,0,13);
+
+ for(i=0;i<led_count;i++){
+ //shift pin by 1 for led register 0x00 address
+ pin = ((user_led_array[i] / 10) % 10 - 1 ) * 2 + 1;
+ col = user_led_array[i] % 10 - 1;
+ led_control_register[pin] |= 1<<(col);
+ }