FreeCalypso > hg > freecalypso-tools
view target-utils/lunadrv/backlight.c @ 820:03457a66d860
buzplayer: add basic support for PWT
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 30 May 2021 03:39:58 +0000 |
parents | db9a8e88e63f |
children |
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#include <sys/types.h> #include <strings.h> #include "types.h" #define GPIO_OUT_REG (*(volatile u16 *) 0xfffe4802) #define BACKLIGHT_GPIO_MASK 0x0200 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"); }