FreeCalypso > hg > freecalypso-tools
view target-utils/c139explore/backlight.c @ 429:05dc91d011a6
doc/RVTMUX: updated for the current state of FreeCalypso
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 03 Nov 2018 05:51:17 +0000 |
parents | 5d9d95530256 |
children |
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#include <sys/types.h> #include <strings.h> #include "types.h" #include "abbdefs.h" #define GPIO_OUT_REG (*(volatile u16 *) 0xfffe4802) #define BACKLIGHT_GPIO_MASK 0x0002 #define AUXLED_KPBL_OFF 0x000 #define AUXLED_KPBL_ON 0x002 void cmd_dbl(argbulk) char *argbulk; { char *argv[2]; if (parse_args(argbulk, 1, 1, argv, 0) < 0) return; if (!strcmp(argv[0], "on")) GPIO_OUT_REG |= BACKLIGHT_GPIO_MASK; else if (!strcmp(argv[0], "off")) GPIO_OUT_REG &= ~BACKLIGHT_GPIO_MASK; else printf("ERROR: \"on\" or \"off\" argument expected\n"); } void cmd_kpbl(argbulk) char *argbulk; { char *argv[2]; if (parse_args(argbulk, 1, 1, argv, 0) < 0) return; if (!strcmp(argv[0], "on")) abb_reg_write(AUXLED, AUXLED_KPBL_ON); else if (!strcmp(argv[0], "off")) abb_reg_write(AUXLED, AUXLED_KPBL_OFF); else printf("ERROR: \"on\" or \"off\" argument expected\n"); }