302 lines
9.7 KiB
C
302 lines
9.7 KiB
C
// Module for working with the ledc driver
|
|
|
|
#include "module.h"
|
|
#include "lauxlib.h"
|
|
#include "platform.h"
|
|
|
|
#include "driver/ledc.h"
|
|
|
|
#include "common.h"
|
|
|
|
typedef struct {
|
|
int timer;
|
|
int channel;
|
|
int mode;
|
|
} ledc_channel;
|
|
|
|
static int lledc_new_channel( lua_State *L )
|
|
{
|
|
const int top = lua_gettop(L);
|
|
luaL_checktable (L, 1);
|
|
|
|
/* Setup timer */
|
|
ledc_timer_config_t ledc_timer;
|
|
|
|
ledc_timer.duty_resolution = opt_checkint_range (L, "bits", LEDC_TIMER_13_BIT, 0, LEDC_TIMER_BIT_MAX-1);
|
|
|
|
ledc_timer.freq_hz = opt_checkint_range(L, "frequency", -1, 1, 40000000UL);
|
|
|
|
ledc_timer.speed_mode = opt_checkint_range(L, "mode", -1, 0, LEDC_SPEED_MODE_MAX-1);
|
|
|
|
ledc_timer.timer_num = opt_checkint_range(L, "timer", -1, 0, LEDC_TIMER_MAX-1);
|
|
|
|
/* Setup channel */
|
|
ledc_channel_config_t channel_config = {
|
|
.speed_mode = ledc_timer.speed_mode,
|
|
.timer_sel = ledc_timer.timer_num,
|
|
.intr_type = LEDC_INTR_DISABLE
|
|
};
|
|
|
|
channel_config.channel = opt_checkint_range(L, "channel", -1, 0, LEDC_CHANNEL_MAX-1);
|
|
|
|
channel_config.duty = opt_checkint_range(L, "duty", -1, 0, 1<<(LEDC_TIMER_BIT_MAX-1));
|
|
|
|
channel_config.gpio_num = opt_checkint_range(L, "gpio", -1, 0, GPIO_NUM_MAX-1);
|
|
|
|
lua_settop(L, top);
|
|
|
|
esp_err_t timerErr = ledc_timer_config(&ledc_timer);
|
|
if(timerErr != ESP_OK)
|
|
return luaL_error (L, "timer configuration failed code %d", timerErr);
|
|
|
|
esp_err_t channelErr = ledc_channel_config(&channel_config);
|
|
if(channelErr != ESP_OK)
|
|
return luaL_error (L, "channel configuration failed code %d", channelErr);
|
|
|
|
ledc_channel * channel = (ledc_channel*)lua_newuserdata(L, sizeof(ledc_channel));
|
|
luaL_getmetatable(L, "ledc.channel");
|
|
lua_setmetatable(L, -2);
|
|
|
|
channel->mode = ledc_timer.speed_mode;
|
|
channel->channel = channel_config.channel;
|
|
channel->timer = ledc_timer.timer_num;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int lledc_stop( lua_State *L ) {
|
|
ledc_channel * channel = (ledc_channel*)luaL_checkudata(L, 1, "ledc.channel");
|
|
|
|
int idleLevel = luaL_checkint (L, 2);
|
|
luaL_argcheck(L, idleLevel >= 0 && idleLevel <= 1, 1, "Invalid idle level");
|
|
|
|
esp_err_t err = ledc_stop(channel->mode, channel->channel, idleLevel);
|
|
if(err != ESP_OK)
|
|
return luaL_error (L, "stop failed, code %d", err);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int lledc_set_freq( lua_State *L ) {
|
|
ledc_channel * channel = (ledc_channel*)luaL_checkudata(L, 1, "ledc.channel");
|
|
|
|
int frequency = luaL_checkint (L, 2);
|
|
|
|
esp_err_t err = ledc_set_freq(channel->mode, channel->timer, frequency);
|
|
if(err != ESP_OK)
|
|
return luaL_error (L, "set freq failed, code %d", err);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int lledc_get_freq( lua_State *L ) {
|
|
ledc_channel * channel = (ledc_channel*)luaL_checkudata(L, 1, "ledc.channel");
|
|
|
|
int frequency = ledc_get_freq(channel->mode, channel->timer);
|
|
lua_pushinteger (L, frequency);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int lledc_set_duty( lua_State *L ) {
|
|
ledc_channel * channel = (ledc_channel*)luaL_checkudata(L, 1, "ledc.channel");
|
|
int duty = luaL_checkint (L, 2);
|
|
|
|
esp_err_t dutyErr = ledc_set_duty(channel->mode, channel->channel, duty);
|
|
if(dutyErr != ESP_OK)
|
|
return luaL_error (L, "set duty failed, code %d", dutyErr);
|
|
|
|
esp_err_t updateErr = ledc_update_duty(channel->mode, channel->channel);
|
|
if(updateErr != ESP_OK)
|
|
return luaL_error (L, "update duty failed, code %d", updateErr);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int lledc_get_duty( lua_State *L ) {
|
|
ledc_channel * channel = (ledc_channel*)luaL_checkudata(L, 1, "ledc.channel");
|
|
|
|
int duty = ledc_get_duty(channel->mode, channel->channel);
|
|
lua_pushinteger (L, duty);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int lledc_timer_rst( lua_State *L ) {
|
|
ledc_channel * channel = (ledc_channel*)luaL_checkudata(L, 1, "ledc.channel");
|
|
|
|
esp_err_t err = ledc_timer_rst(channel->mode, channel->timer);
|
|
if(err != ESP_OK)
|
|
return luaL_error (L, "reset failed, code %d", err);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int lledc_timer_pause( lua_State *L ) {
|
|
ledc_channel * channel = (ledc_channel*)luaL_checkudata(L, 1, "ledc.channel");
|
|
|
|
esp_err_t err = ledc_timer_pause(channel->mode, channel->timer);
|
|
if(err != ESP_OK)
|
|
return luaL_error (L, "pause failed, code %d", err);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int lledc_timer_resume( lua_State *L ) {
|
|
ledc_channel * channel = (ledc_channel*)luaL_checkudata(L, 1, "ledc.channel");
|
|
|
|
esp_err_t err = ledc_timer_resume(channel->mode, channel->timer);
|
|
if(err != ESP_OK)
|
|
return luaL_error (L, "resume failed, code %d", err);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int lledc_set_fade_with_time( lua_State *L ) {
|
|
ledc_channel * channel = (ledc_channel*)luaL_checkudata(L, 1, "ledc.channel");
|
|
|
|
int stack = 1;
|
|
|
|
int targetDuty = luaL_checkint (L, ++stack);
|
|
int maxFadeTime = luaL_checkint (L, ++stack);
|
|
|
|
int wait = luaL_optint (L, ++stack, LEDC_FADE_NO_WAIT);
|
|
luaL_argcheck(L, wait == LEDC_FADE_NO_WAIT || wait == LEDC_FADE_WAIT_DONE, stack, "Invalid wait");
|
|
|
|
ledc_fade_func_install(0);
|
|
|
|
esp_err_t fadeErr = ledc_set_fade_with_time(channel->mode, channel->channel, targetDuty, maxFadeTime);
|
|
if(fadeErr != ESP_OK)
|
|
return luaL_error (L, "set fade failed, code %d", fadeErr);
|
|
|
|
esp_err_t startErr = ledc_fade_start(channel->mode, channel->channel, wait);
|
|
if(startErr != ESP_OK)
|
|
return luaL_error (L, "start fade failed, code %d", startErr);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int lledc_set_fade_with_step( lua_State *L ) {
|
|
ledc_channel * channel = (ledc_channel*)luaL_checkudata(L, 1, "ledc.channel");
|
|
|
|
int stack = 1;
|
|
|
|
int targetDuty = luaL_checkint (L, ++stack);
|
|
int scale = luaL_checkint (L, ++stack);
|
|
int cycleNum = luaL_checkint (L, ++stack);
|
|
|
|
int wait = luaL_optint (L, ++stack, LEDC_FADE_NO_WAIT);
|
|
luaL_argcheck(L, wait == LEDC_FADE_NO_WAIT || wait == LEDC_FADE_WAIT_DONE, stack, "Invalid wait");
|
|
|
|
ledc_fade_func_install(0);
|
|
|
|
esp_err_t fadeErr = ledc_set_fade_with_step(channel->mode, channel->channel, targetDuty, scale, cycleNum);
|
|
if(fadeErr != ESP_OK)
|
|
return luaL_error (L, "set fade failed, code %d", fadeErr);
|
|
|
|
esp_err_t startErr = ledc_fade_start(channel->mode, channel->channel, wait);
|
|
if(startErr != ESP_OK)
|
|
return luaL_error (L, "start fade failed, code %d", startErr);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int lledc_set_fade( lua_State *L ) {
|
|
ledc_channel * channel = (ledc_channel*)luaL_checkudata(L, 1, "ledc.channel");
|
|
|
|
int stack = 1;
|
|
|
|
int duty = luaL_checkint (L, ++stack);
|
|
int direction = luaL_checkint (L, ++stack);
|
|
luaL_argcheck(L, direction == LEDC_DUTY_DIR_DECREASE || direction == LEDC_DUTY_DIR_INCREASE, stack, "Invalid direction");
|
|
|
|
int scale = luaL_checkint (L, ++stack);
|
|
int cycleNum = luaL_checkint (L, ++stack);
|
|
int stepNum = luaL_checkint (L, ++stack);;
|
|
|
|
int wait = luaL_optint (L, ++stack, LEDC_FADE_NO_WAIT);
|
|
luaL_argcheck(L, wait == LEDC_FADE_NO_WAIT || wait == LEDC_FADE_WAIT_DONE, stack, "Invalid wait");
|
|
|
|
ledc_fade_func_install(0);
|
|
|
|
esp_err_t fadeErr = ledc_set_fade(channel->mode, channel->channel, duty, direction, stepNum, cycleNum, scale);
|
|
if(fadeErr != ESP_OK)
|
|
return luaL_error (L, "set fade failed, code %d", fadeErr);
|
|
|
|
esp_err_t startErr = ledc_fade_start(channel->mode, channel->channel, wait);
|
|
if(startErr != ESP_OK)
|
|
return luaL_error (L, "start fade failed, code %d", startErr);
|
|
|
|
return 1;
|
|
}
|
|
|
|
// Module function map
|
|
LROT_BEGIN(ledc_channel, NULL, LROT_MASK_INDEX)
|
|
LROT_TABENTRY ( __index, ledc_channel )
|
|
LROT_FUNCENTRY( getduty, lledc_get_duty )
|
|
LROT_FUNCENTRY( setduty, lledc_set_duty )
|
|
LROT_FUNCENTRY( getfreq, lledc_get_freq )
|
|
LROT_FUNCENTRY( setfreq, lledc_set_freq )
|
|
|
|
LROT_FUNCENTRY( stop, lledc_stop )
|
|
LROT_FUNCENTRY( reset, lledc_timer_rst )
|
|
LROT_FUNCENTRY( pause, lledc_timer_pause )
|
|
LROT_FUNCENTRY( resume, lledc_timer_resume )
|
|
|
|
LROT_FUNCENTRY( fadewithtime, lledc_set_fade_with_time )
|
|
LROT_FUNCENTRY( fadewithstep, lledc_set_fade_with_step )
|
|
LROT_FUNCENTRY( fade, lledc_set_fade )
|
|
LROT_END(ledc_channel, NULL, LROT_MASK_INDEX)
|
|
|
|
LROT_BEGIN(ledc, NULL, 0)
|
|
LROT_FUNCENTRY( newChannel, lledc_new_channel )
|
|
|
|
#if SOC_LEDC_SUPPORT_HS_MODE
|
|
LROT_NUMENTRY ( HIGH_SPEED, LEDC_HIGH_SPEED_MODE )
|
|
#endif
|
|
LROT_NUMENTRY ( LOW_SPEED, LEDC_LOW_SPEED_MODE )
|
|
|
|
LROT_NUMENTRY ( TIMER_0, LEDC_TIMER_0 )
|
|
LROT_NUMENTRY ( TIMER_1, LEDC_TIMER_1 )
|
|
LROT_NUMENTRY ( TIMER_2, LEDC_TIMER_2 )
|
|
LROT_NUMENTRY ( TIMER_10_BIT, LEDC_TIMER_10_BIT )
|
|
LROT_NUMENTRY ( TIMER_11_BIT, LEDC_TIMER_11_BIT )
|
|
LROT_NUMENTRY ( TIMER_12_BIT, LEDC_TIMER_12_BIT )
|
|
LROT_NUMENTRY ( TIMER_13_BIT, LEDC_TIMER_13_BIT )
|
|
LROT_NUMENTRY ( TIMER_14_BIT, LEDC_TIMER_14_BIT )
|
|
#if SOC_LEDC_TIMER_BIT_WIDE_NUM > 14
|
|
LROT_NUMENTRY ( TIMER_15_BIT, LEDC_TIMER_15_BIT )
|
|
LROT_NUMENTRY ( TIMER_16_BIT, LEDC_TIMER_16_BIT )
|
|
LROT_NUMENTRY ( TIMER_17_BIT, LEDC_TIMER_17_BIT )
|
|
LROT_NUMENTRY ( TIMER_18_BIT, LEDC_TIMER_18_BIT )
|
|
LROT_NUMENTRY ( TIMER_19_BIT, LEDC_TIMER_19_BIT )
|
|
LROT_NUMENTRY ( TIMER_20_BIT, LEDC_TIMER_20_BIT )
|
|
#endif
|
|
|
|
LROT_NUMENTRY ( CHANNEL_0, LEDC_CHANNEL_0 )
|
|
LROT_NUMENTRY ( CHANNEL_1, LEDC_CHANNEL_1 )
|
|
LROT_NUMENTRY ( CHANNEL_2, LEDC_CHANNEL_2 )
|
|
LROT_NUMENTRY ( CHANNEL_3, LEDC_CHANNEL_3 )
|
|
LROT_NUMENTRY ( CHANNEL_4, LEDC_CHANNEL_4 )
|
|
LROT_NUMENTRY ( CHANNEL_5, LEDC_CHANNEL_5 )
|
|
#if SOC_LED_CHANNEL_NUM > 6
|
|
LROT_NUMENTRY ( CHANNEL_6, LEDC_CHANNEL_6 )
|
|
LROT_NUMENTRY ( CHANNEL_7, LEDC_CHANNEL_7 )
|
|
#endif
|
|
|
|
LROT_NUMENTRY ( IDLE_LOW, 0 )
|
|
LROT_NUMENTRY ( IDLE_HIGH, 1 )
|
|
|
|
LROT_NUMENTRY ( FADE_NO_WAIT, LEDC_FADE_NO_WAIT )
|
|
LROT_NUMENTRY ( FADE_WAIT_DONE, LEDC_FADE_WAIT_DONE )
|
|
LROT_NUMENTRY ( FADE_DECREASE, LEDC_DUTY_DIR_DECREASE )
|
|
LROT_NUMENTRY ( FADE_INCREASE, LEDC_DUTY_DIR_INCREASE )
|
|
LROT_END(ledc, NULL, 0)
|
|
|
|
int luaopen_ledc(lua_State *L) {
|
|
luaL_rometatable(L, "ledc.channel", LROT_TABLEREF(ledc_channel)); // create metatable for ledc.channel
|
|
return 0;
|
|
}
|
|
|
|
NODEMCU_MODULE(LEDC, "ledc", ledc, luaopen_ledc);
|