1 /* Copyright (C) 2013 Czech Technical University in Prague
4 * - Carlos Jenkins <carlos@jenkins.co.cr>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 * Logic Output RPP API implementation file.
25 * RPP API documentation.
31 #if rppCONFIG_INCLUDE_LOUT == 1
33 #if rppCONFIG_DRV == 1
37 static boolean_t initialized = FALSE;
39 int8_t rpp_lout_init()
51 static uint8_t out_cache = 0x0;
53 int8_t rpp_lout_set(uint8_t pin, int8_t val)
55 if((pin < 1) || (pin > 8)) {
59 bit_set(out_cache, pin - 1);
61 bit_clear(out_cache, pin - 1);
67 static uint8_t diag_cache = 0x0;
69 int8_t rpp_lout_diag(uint8_t pin)
71 if((pin < 1) || (pin > 8)) {
75 if(is_bit_set(diag_cache, pin - 1)) {
82 int8_t rpp_lout_update()
84 #if rppCONFIG_DRV == 1
85 // Update output values
86 lout_set_word(out_cache);
87 // FIXME: Check which SPI transfer statuses could be considered errors
90 // Read back diagnostic values
91 // FIXME: Implement. Dummy assign for now.
92 diag_cache = out_cache;
94 if(diag_cache != out_cache) {
103 #endif /* rppCONFIG_INCLUDE_LOUT */