nodemcu-firmware/app/modules/rc.c

97 lines
2.5 KiB
C

#include "module.h"
#include "lauxlib.h"
#include "platform.h"
#include "user_interface.h"
#include "rom.h"
//#include "driver/easygpio.h"
//static Ping_Data pingA;
#define defPulseLen 185
#define defProtocol 1
#define defRepeat 10
#define defBits 24
static void ICACHE_FLASH_ATTR transmit(int pin, int pulseLen, int nHighPulses, int nLowPulses) {
platform_gpio_write(pin, 1);
os_delay_us(pulseLen*nHighPulses);
platform_gpio_write(pin, 0);
os_delay_us(pulseLen*nLowPulses);
}
//rc.send(4,267715,24,185,1,10) --GPIO, code, bits, pulselen, protocol, repeat
static int ICACHE_FLASH_ATTR rc_send(lua_State* L) {
const uint8_t pin = luaL_checkinteger(L, 1);
platform_gpio_mode(pin, PLATFORM_GPIO_OUTPUT, PLATFORM_GPIO_FLOAT);
//platform_gpio_mode(pin, PLATFORM_GPIO_OUTPUT, PLATFORM_GPIO_PULLUP);
//platform_gpio_mode(pin, PLATFORM_GPIO_OUTPUT, PLATFORM_GPIO_PULLDOWN);
platform_gpio_write(pin, 0);
long code = luaL_checklong(L, 2);
//const uint8_t bits = luaL_checkinteger(L, 3);
uint8_t bits = luaL_checkinteger(L, 3);
const uint8_t pulseLen = luaL_checkinteger(L, 4);
const uint8_t Protocol = luaL_checkinteger(L, 5);
const uint8_t repeat = luaL_checkinteger(L, 6);
NODE_ERR("pulseLen:%d\n",pulseLen);
NODE_ERR("Protocol:%d\n",Protocol);
NODE_ERR("repeat:%d\n",repeat);
NODE_ERR("send:");
int c,k,nRepeat;
bits = bits-1;
for (c = bits; c >= 0; c--)
{
k = code >> c;
if (k & 1)
NODE_ERR("1");
else
NODE_ERR("0");
}
NODE_ERR("\n");
for (nRepeat=0; nRepeat<repeat; nRepeat++) {
for (c = bits; c >= 0; c--)
{
k = code >> c;
if (k & 1){
//send1
if(Protocol==1){
transmit(pin,pulseLen,3,1);
}else if(Protocol==2){
transmit(pin,pulseLen,2,1);
}else if(Protocol==3){
transmit(pin,pulseLen,9,6);
}
}
else{
//send0
if(Protocol==1){
transmit(pin,pulseLen,1,3);
}else if(Protocol==2){
transmit(pin,pulseLen,1,2);
}else if(Protocol==3){
transmit(pin,pulseLen,4,11);
}
}
}
//sendSync();
if(Protocol==1){
transmit(pin,pulseLen,1,31);
}else if(Protocol==2){
transmit(pin,pulseLen,1,10);
}else if(Protocol==3){
transmit(pin,pulseLen,1,71);
}
}
return 1;
}
// Module function map
LROT_BEGIN(rc)
LROT_FUNCENTRY( send, rc_send )
LROT_END( rc, NULL, 0 )
int luaopen_rc(lua_State *L) {
// TODO: Make sure that the GPIO system is initialized
return 0;
}
NODEMCU_MODULE(RC, "rc", rc, luaopen_rc);