[src/trunk]: src/lib/lua/gpio Remove software pulsing.

[mbalmer <mbalmer%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/dbd0336a18e3
branches:  trunk
changeset: 771169:dbd0336a18e3
user:      mbalmer <mbalmer%NetBSD.org@localhost>
date:      Sun Nov 13 13:37:24 2011 +0000

description:
Remove software pulsing.

diffstat:

 lib/lua/gpio/gpio.c |  56 +---------------------------------------------------
 1 files changed, 2 insertions(+), 54 deletions(-)

diffs (91 lines):

diff -r 7f6e02be6e48 -r dbd0336a18e3 lib/lua/gpio/gpio.c
--- a/lib/lua/gpio/gpio.c       Sun Nov 13 13:20:02 2011 +0000
+++ b/lib/lua/gpio/gpio.c       Sun Nov 13 13:37:24 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: gpio.c,v 1.4 2011/11/13 09:46:11 mbalmer Exp $ */
+/*     $NetBSD: gpio.c,v 1.5 2011/11/13 13:37:24 mbalmer Exp $ */
 
 /*
  * Copyright (c) 2011 Marc Balmer <marc%msys.ch@localhost>
@@ -224,56 +224,6 @@
        return 0;
 }
 
-static int
-gpio_pulse(lua_State *L)
-{
-       struct gpio_pulse pulse;
-       suseconds_t period, on, off, sec;
-       double freq, dc;
-       int *fd;
-
-       fd = luaL_checkudata(L, 1, GPIO_METATABLE);
-       freq = luaL_checknumber(L, 3);
-       dc = luaL_checknumber(L, 4);
-
-       if (freq < 0.0 || (dc < 0.0 || dc >= 100.0))
-               gpio_error(L, "%.f Hz, %.f%% duty cycle: invalid value",
-                   freq, dc);
-
-       memset(&pulse, 0, sizeof(pulse));
-       gpio_get_pin(L, 2, (void *)&pulse);
-
-       if (freq > 0.0 && dc > 0.0) {
-               period = 1000000 / freq;
-               on = period * dc / 100;
-               off = period - on;
-
-               if (on >= 1000000) {
-                       pulse.gp_pulse_on.tv_sec = sec = on / 1000000;
-                       on -= sec * 1000000;
-                       pulse.gp_pulse_on.tv_usec = on;
-               } else {
-                       pulse.gp_pulse_on.tv_sec = 0;
-                       pulse.gp_pulse_on.tv_usec = on;
-               }
-               if (off >= 1000000) {
-                       pulse.gp_pulse_off.tv_sec = sec = off / 1000000;
-                       off -= sec * 1000000;
-                       pulse.gp_pulse_off.tv_usec = off;
-               } else {
-                       pulse.gp_pulse_off.tv_sec = 0;
-                       pulse.gp_pulse_off.tv_usec = off;
-               }
-       } else {        /* gpio(4) defaults */
-               freq = 1.0;
-               dc = 50.0;
-       }
-
-       if (ioctl(*fd, GPIOPULSE, &pulse) == -1)
-               gpio_error(L, "GPIOPULSE");
-       return 0;
-}
-
 struct constant {
        const char *name;
        int value;
@@ -283,7 +233,6 @@
        /* GPIO pin states */
        { "PIN_LOW",            GPIO_PIN_LOW },
        { "PIN_HIGH",           GPIO_PIN_HIGH },
-       { "PIN_PULSE",          GPIO_PIN_PULSE },
 
        /* GPIO pin configuration flags */
        { "PIN_INPUT",          GPIO_PIN_INPUT },
@@ -314,7 +263,7 @@
        lua_pushliteral(L, "GPIO interface for Lua");
        lua_settable(L, -3);
        lua_pushliteral(L, "_VERSION");
-       lua_pushliteral(L, "gpio 1.0.0");
+       lua_pushliteral(L, "gpio 1.0.1");
        lua_settable(L, -3);
 }
 
@@ -336,7 +285,6 @@
                { "write",      gpio_write },
                { "toggle",     gpio_toggle },
                { "attach",     gpio_attach },
-               { "pulse",      gpio_pulse },
                { NULL,         NULL }
        };
        int n;