leds: Add support for setup/active mode GPIO outputs

components/config/enum.c

@@ -1,4 +1,5 @@
 #include <config.h>
+#include <logging.h>
 
 #include <string.h>
 
@@ -9,6 +10,12 @@ int config_enum_lookup(const struct config_enum *e, const char *name, const stru
       *enump = e;
       return 0;
     }
+
+    if (e->alias && strcmp(e->alias, name) == 0) {
+      LOG_WARN("deprecated enum alias %s, renamed to %s", name, e->name);
+      *enump = e;
+      return 0;
+    }
   }
 
   return 1;
@@ -43,6 +50,12 @@ int config_enum_to_value(const struct config_enum *e, const char *name)
     if (strcmp(e->name, name) == 0) {
       return e->value;
     }
+
+    if (e->alias && strcmp(e->alias, name) == 0) {
+      LOG_WARN("deprecated enum alias %s, renamed to %s", name, e->name);
+
+      return e->value;
+    }
   }
 
   return -1;

components/config/include/config.h

@@ -26,6 +26,9 @@ enum config_type {
 struct config_enum {
   const char *name;
 
+  /* Migrate from old name */
+  const char *alias;
+
   int value;
 };
 

components/i2s_out/esp32/pin.c

@@ -48,9 +48,9 @@ static void setup_gpio_pin(gpio_num_t gpio)
   gpio_ll_pulldown_en(&GPIO, gpio);
 }
 
-static void disable_gpio_pin(gpio_num_t gpio)
+static void clear_gpio_pin(gpio_num_t gpio)
 {
-  gpio_ll_output_disable(&GPIO, gpio);
+  gpio_ll_set_level(&GPIO, gpio, 0);
 }
 
 int i2s_out_pin_init(struct i2s_out *i2s_out)
@@ -126,6 +126,7 @@ int i2s_out_pin_setup(struct i2s_out *i2s_out, const struct i2s_out_options *opt
     case I2S_OUT_MODE_16BIT_SERIAL:
     case I2S_OUT_MODE_32BIT_SERIAL:
       if (options->bck_gpio > 0) {
+        i2s_out->bck_gpio_inv = options->bck_inv;
         i2s_out->bck_gpios[0] = options->bck_gpio;
 
         setup_gpio_pin(options->bck_gpio);
@@ -158,6 +159,7 @@ int i2s_out_pin_setup(struct i2s_out *i2s_out, const struct i2s_out_options *opt
     case I2S_OUT_MODE_8BIT_PARALLEL:
       for (int i = 0; i < I2S_OUT_PARALLEL_SIZE; i++) {
         if (options->bck_gpios[i] > 0) {
+          i2s_out->bck_gpio_inv = options->bck_inv;
           i2s_out->bck_gpios[i] = options->bck_gpios[i];
 
           setup_gpio_pin(options->bck_gpios[i]);
@@ -203,19 +205,25 @@ void i2s_out_pin_teardown(struct i2s_out *i2s_out)
 
   for (int i = 0; i < I2S_OUT_PARALLEL_SIZE; i++) {
     if (i2s_out->bck_gpios[i] >= 0) {
-      disable_gpio_pin(i2s_out->bck_gpios[i]);
+      clear_gpio_pin(i2s_out->bck_gpios[i]);
+
+      esp_rom_gpio_connect_out_signal(i2s_out->bck_gpios[i], SIG_GPIO_OUT_IDX, i2s_out->bck_gpio_inv, false);
 
       i2s_out->bck_gpios[i] = -1;
     }
 
     if (i2s_out->data_gpios[i] >= 0) {
-      disable_gpio_pin(i2s_out->data_gpios[i]);
+      clear_gpio_pin(i2s_out->data_gpios[i]);
+
+      esp_rom_gpio_connect_out_signal(i2s_out->data_gpios[i], SIG_GPIO_OUT_IDX, false, false);
 
       i2s_out->data_gpios[i] = -1;
     }
 
     if (i2s_out->inv_data_gpios[i] >= 0) {
-      disable_gpio_pin(i2s_out->inv_data_gpios[i]);
+      clear_gpio_pin(i2s_out->inv_data_gpios[i]);
+
+      esp_rom_gpio_connect_out_signal(i2s_out->inv_data_gpios[i], SIG_GPIO_OUT_IDX, true, false);
 
       i2s_out->inv_data_gpios[i] = -1;
     }

components/i2s_out/i2s_out.h

@@ -33,6 +33,7 @@ struct i2s_out {
   /* pin */
   SemaphoreHandle_t pin_mutex;
 #if CONFIG_IDF_TARGET_ESP32
+  bool bck_gpio_inv;
   gpio_num_t bck_gpios[I2S_OUT_PARALLEL_SIZE];
   gpio_num_t data_gpios[I2S_OUT_PARALLEL_SIZE];
   gpio_num_t inv_data_gpios[I2S_OUT_PARALLEL_SIZE];

components/leds/gpio.c

@@ -0,0 +1,40 @@
+#include "gpio.h"
+
+#if CONFIG_LEDS_GPIO_ENABLED
+    void leds_gpio_setup (const struct leds_interface_options_gpio *options)
+    {
+        if (!options->gpio_options) {
+            return;
+        }
+
+        switch (options->mode) {
+            case LEDS_GPIO_MODE_NONE:
+                break;
+
+            case LEDS_GPIO_MODE_SETUP:
+            case LEDS_GPIO_MODE_ACTIVE:
+                gpio_out_set(options->gpio_options, options->pins);
+                break;
+        }
+    }
+
+    void leds_gpio_close (const struct leds_interface_options_gpio *options)
+    {
+        if (!options->gpio_options) {
+            return;
+        }
+
+        switch (options->mode) {
+            case LEDS_GPIO_MODE_NONE:
+                break;
+
+            case LEDS_GPIO_MODE_SETUP:
+                break;
+
+            case LEDS_GPIO_MODE_ACTIVE:
+                gpio_out_clear(options->gpio_options);
+                break;
+        }
+
+    }
+#endif

components/leds/gpio.h

@@ -0,0 +1,8 @@
+#pragma once
+
+#include <leds.h>
+
+#if CONFIG_LEDS_GPIO_ENABLED
+    void leds_gpio_setup (const struct leds_interface_options_gpio *options);
+    void leds_gpio_close (const struct leds_interface_options_gpio *options);
+#endif

components/leds/include/leds.h

@@ -131,14 +131,24 @@ enum leds_interface leds_interface_for_protocol(enum leds_protocol protocol);
 
 #if CONFIG_LEDS_GPIO_ENABLED
   struct leds_interface_options_gpio {
+    enum leds_interface_gpio_mode {
+      LEDS_GPIO_MODE_NONE,
+
+      /* Set pins after interface setup, keep set after TX end */
+      LEDS_GPIO_MODE_SETUP,
+
+      /* Set pins after interface setup, clear at TX end */
+      LEDS_GPIO_MODE_ACTIVE,
+    } mode;
+
     /**
      * GPIO used for output multiplexing.
-     * The `gpio_out_pins` will be set before TX start, and cleared after TX end.
+     * The `pins` will be set.
      * Any other `gpio_options->pins` will be cleared.
      */
     struct gpio_options *gpio_options;
 
-    gpio_pins_t gpio_out_pins;
+    gpio_pins_t pins;
   };
 #endif
 

components/leds/interfaces/i2s.h

@@ -59,9 +59,8 @@ struct leds_interface_i2s {
 
   struct i2s_out *i2s_out;
   struct i2s_out_options i2s_out_options;
-
-  struct gpio_options *gpio_options;
-  gpio_pins_t gpio_out_pins;
+
+  struct leds_interface_options_gpio gpio;
 };
 
 size_t leds_interface_i2s_buffer_size(enum leds_interface_i2s_mode mode, unsigned led_count, unsigned pin_count);

components/leds/interfaces/i2s/tx.c

@@ -1,6 +1,7 @@
 #include "../i2s.h"
 #include "../../leds.h"
 #include "../../stats.h"
+#include "../../gpio.h"
 
 #include <logging.h>
 
@@ -288,8 +289,7 @@ int leds_interface_i2s_init(struct leds_interface_i2s *interface, const struct l
   interface->i2s_out_options.inv_data_gpio = options->inv_data_pin;
 #endif
 
-  interface->gpio_options = options->gpio.gpio_options;
-  interface->gpio_out_pins = options->gpio.gpio_out_pins;
+  interface->gpio = options->gpio;
 
   return 0;
 }
@@ -332,9 +332,7 @@ int leds_interface_i2s_tx(struct leds_interface_i2s *interface, const struct led
   }
 
 #if CONFIG_LEDS_GPIO_ENABLED
-  if (interface->gpio_options) {
-    gpio_out_set(interface->gpio_options, interface->gpio_out_pins);
-  }
+  leds_gpio_setup(&interface->gpio);
 #endif
 
   WITH_STATS_TIMER(&stats->write) {
@@ -352,9 +350,7 @@ int leds_interface_i2s_tx(struct leds_interface_i2s *interface, const struct led
 
 error:
 #if CONFIG_LEDS_GPIO_ENABLED
-  if (interface->gpio_options) {
-    gpio_out_clear(interface->gpio_options);
-  }
+  leds_gpio_close(&interface->gpio);
 #endif
 
   if ((err = i2s_out_close(interface->i2s_out))) {

components/leds/interfaces/spi.h

@@ -65,8 +65,7 @@
     spi_device_handle_t device;
   #endif
 
-    struct gpio_options *gpio_options;
-    gpio_pins_t gpio_out_pins;
+    struct leds_interface_options_gpio gpio;
   };
 
   size_t leds_interface_spi_buffer_size(enum leds_interface_spi_mode mode, unsigned count);

components/leds/interfaces/spi/interface.c

@@ -1,6 +1,7 @@
 #include "../spi.h"
 #include "../../leds.h"
 #include "../../stats.h"
+#include "../../gpio.h"
 
 #include <logging.h>
 
@@ -189,8 +190,7 @@ int leds_interface_spi_init(struct leds_interface_spi *interface, const struct l
     return err;
   }
 
-  interface->gpio_options = options->gpio.gpio_options;
-  interface->gpio_out_pins = options->gpio.gpio_out_pins;
+  interface->gpio = options->gpio;
 
   return 0;
 }
@@ -302,9 +302,7 @@ int leds_interface_spi_tx(struct leds_interface_spi *interface, const struct led
   }
 
 #if CONFIG_LEDS_GPIO_ENABLED
-  if (interface->gpio_options) {
-    gpio_out_set(interface->gpio_options, interface->gpio_out_pins);
-  }
+  leds_gpio_setup(&interface->gpio);
 #endif
 
   WITH_STATS_TIMER(&stats->tx) {
@@ -327,9 +325,7 @@ int leds_interface_spi_tx(struct leds_interface_spi *interface, const struct led
 
 error:
 #if CONFIG_LEDS_GPIO_ENABLED
-  if (interface->gpio_options) {
-    gpio_out_clear(interface->gpio_options);
-  }
+  leds_gpio_close(&interface->gpio);
 #endif
 
   if ((err = leds_interface_spi_master_close(interface))) {

components/leds/interfaces/uart.h

@@ -35,8 +35,7 @@
     struct uart *uart;
     struct uart_options uart_options;
 
-    struct gpio_options *gpio_options;
-    gpio_pins_t gpio_out_pins;
+    struct leds_interface_options_gpio gpio;
   };
 
   int leds_interface_uart_init(struct leds_interface_uart *interface, const struct leds_interface_uart_options *options, enum leds_interface_uart_mode mode, union leds_interface_uart_func func);

components/leds/interfaces/uart/tx.c

@@ -1,6 +1,7 @@
 #include "../uart.h"
 #include "../../leds.h"
 #include "../../stats.h"
+#include "../../gpio.h"
 
 #include <logging.h>
 
@@ -56,8 +57,7 @@ int leds_interface_uart_init(struct leds_interface_uart *interface, const struct
 
   interface->uart_options.pin_mutex = options->pin_mutex;
 
-  interface->gpio_options = options->gpio.gpio_options;
-  interface->gpio_out_pins = options->gpio.gpio_out_pins;
+  interface->gpio = options->gpio;
 
   return 0;
 }
@@ -116,9 +116,7 @@ int leds_interface_uart_tx(struct leds_interface_uart *interface, const struct l
   }
 
 #if CONFIG_LEDS_GPIO_ENABLED
-  if (interface->gpio_options) {
-    gpio_out_set(interface->gpio_options, interface->gpio_out_pins);
-  }
+  leds_gpio_setup(&interface->gpio);
 #endif
 
   WITH_STATS_TIMER(&stats->tx) {
@@ -143,9 +141,7 @@ int leds_interface_uart_tx(struct leds_interface_uart *interface, const struct l
 
 error:
 #if CONFIG_LEDS_GPIO_ENABLED
-  if (interface->gpio_options) {
-    gpio_out_clear(interface->gpio_options);
-  }
+  leds_gpio_close(&interface->gpio);
 #endif
 
   if ((err = uart_close(interface->uart))) {

main/atx_psu_config.c

@@ -10,9 +10,9 @@
 struct atx_psu_config atx_psu_config = {};
 
 const struct config_enum atx_psu_gpio_mode_enum[] = {
-  { "",     ATX_PSU_GPIO_MODE_DISABLED  },
-  { "LOW",  ATX_PSU_GPIO_MODE_LOW       },
-  { "HIGH", ATX_PSU_GPIO_MODE_HIGH      },
+  { "",     .value = ATX_PSU_GPIO_MODE_DISABLED  },
+  { "LOW",  .value = ATX_PSU_GPIO_MODE_LOW       },
+  { "HIGH", .value = ATX_PSU_GPIO_MODE_HIGH      },
   {}
 };
 

main/dmx_config.c

@@ -11,18 +11,18 @@ struct dmx_input_config dmx_input_config = {};
 struct dmx_output_config dmx_output_configs[DMX_OUTPUT_COUNT] = {};
 
 const struct config_enum dmx_uart_enum[] = {
-  { "",        -1      },
+  { "",           .value = -1      },
 #if defined(UART_0) && CONFIG_ESP_CONSOLE_UART_NUM != 0
-  { "UART0",      UART_0  },
+  { "UART0",      .value = UART_0  },
 #endif
 #if defined(UART_0_SWAP) && CONFIG_ESP_CONSOLE_UART_NUM != 0
-  { "UART0_SWAP", UART_0_SWAP  }, // ESP8266 specialty
+  { "UART0_SWAP", .value = UART_0_SWAP  }, // ESP8266 specialty
 #endif
 #if defined(UART_1) && CONFIG_ESP_CONSOLE_UART_NUM != 1
-  { "UART1",      UART_1  },
+  { "UART1",      .value = UART_1  },
 #endif
 #if defined(UART_2) && CONFIG_ESP_CONSOLE_UART_NUM != 2
-  { "UART2",      UART_2  },
+  { "UART2",      .value = UART_2  },
 #endif
  {}
 };
@@ -40,9 +40,9 @@ const struct config_enum dmx_uart_enum[] = {
 #endif
 
 const struct config_enum dmx_gpio_mode_enum[] = {
-  { "",     DMX_GPIO_MODE_DISABLED  },
-  { "LOW",  DMX_GPIO_MODE_LOW       },
-  { "HIGH", DMX_GPIO_MODE_HIGH      },
+  { "",     .value = DMX_GPIO_MODE_DISABLED  },
+  { "LOW",  .value = DMX_GPIO_MODE_LOW       },
+  { "HIGH", .value = DMX_GPIO_MODE_HIGH      },
   {}
 };