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51 lines
1.6 KiB
51 lines
1.6 KiB
/* |
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* This file is free software: you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License as published by the |
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* Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This file is distributed in the hope that it will be useful, but |
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* WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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* See the GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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#include <AP_OSD/AP_OSD_Backend.h> |
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#include <AP_HAL/Util.h> |
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#include <ctype.h> |
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extern const AP_HAL::HAL& hal; |
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#define SYM_DIG_OFS_1 0x90 |
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#define SYM_DIG_OFS_2 0xA0 |
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void AP_OSD_Backend::write(uint8_t x, uint8_t y, bool blink, const char *fmt, ...) |
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{ |
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if (blink && (blink_phase < 2)) { |
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return; |
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} |
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char buff[32+1]; // +1 for snprintf null-termination |
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va_list ap; |
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va_start(ap, fmt); |
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int res = hal.util->vsnprintf(buff, sizeof(buff), fmt, ap); |
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res = MIN(res, int(sizeof(buff))); |
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if (res > 0 && check_option(AP_OSD::OPTION_DECIMAL_PACK)) { |
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// automatically use packed decimal characters |
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// based on fiam idea implemented in inav osd |
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char *p = strchr(&buff[1],'.'); |
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if (p && isdigit(p[1]) && isdigit(p[-1])) { |
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p[-1] += SYM_DIG_OFS_1; |
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p[1] += SYM_DIG_OFS_2; |
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memmove(p, p+1, strlen(p+1)+1); |
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res--; |
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} |
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} |
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if (res < int(sizeof(buff))-1) { |
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write(x, y, buff); |
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} |
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va_end(ap); |
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}
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