#ifndef _DRIVER_GPIO_H_
#define _DRIVER_GPIO_H_
-
+#include "esp_err.h"
#include <esp_types.h>
#include "soc/gpio_reg.h"
#include "soc/gpio_struct.h"
#include "soc/ledc_reg.h"
#include "soc/ledc_struct.h"
#include "driver/gpio.h"
+#include "driver/periph_ctrl.h"
#ifdef __cplusplus
extern "C" {
} ledc_clk_src_t;
typedef enum {
- LEDC_TIMER0 = 0, /*LEDC source timer TIMER0 */
- LEDC_TIMER1, /*LEDC source timer TIMER1 */
- LEDC_TIMER2, /*LEDC source timer TIMER2 */
- LEDC_TIMER3, /*LEDC source timer TIMER3 */
+ LEDC_TIMER_0 = 0, /*LEDC source timer TIMER0 */
+ LEDC_TIMER_1, /*LEDC source timer TIMER1 */
+ LEDC_TIMER_2, /*LEDC source timer TIMER2 */
+ LEDC_TIMER_3, /*LEDC source timer TIMER3 */
} ledc_timer_t;
typedef enum {
LEDC_TIMER_15_BIT = 15, /*LEDC PWM depth 15Bit */
} ledc_timer_bit_t;
-typedef struct ledc_channel_t_config {
+typedef struct {
int gpio_num; /*the LEDC output gpio_num, if you want to use gpio16, gpio_num = 16*/
ledc_mode_t speed_mode; /*LEDC speed speed_mode, high-speed mode or low-speed mode*/
ledc_channel_t channel; /*LEDC channel(0 - 7)*/
ledc_intr_type_t intr_type; /*configure interrupt, Fade interrupt enable or Fade interrupt disable*/
- ledc_timer_t timer_sel; /*Select the timer source of channel (0 - 3)*/
- uint32_t freq_hz; /*LEDC channel frequency(Hz)*/
+ ledc_timer_t timer_sel; /*Select the timer source of channel (0 - 3)*/
uint32_t duty; /*LEDC channel duty, the duty range is [0, (2**bit_num) - 1], */
+} ledc_channel_config_t;
+
+typedef struct {
+ ledc_mode_t speed_mode; /*LEDC speed speed_mode, high-speed mode or low-speed mode*/
ledc_timer_bit_t bit_num; /*LEDC channel duty depth*/
-} ledc_config_t;
+ ledc_timer_t timer_num; /*The timer source of channel (0 - 3)*/
+ uint32_t freq_hz; /*LEDC timer frequency(Hz)*/
+} ledc_timer_config_t;
+
+
+/**
+ * @brief LEDC channel configuration
+ *
+ * User this Function, configure LEDC channel with the given channel/output gpio_num/interrupt/source timer/frequency(Hz)/LEDC depth
+ *
+ * @param[in] ledc_channel_config_t
+ * ledc_channel_config_t.speed_mode : LEDC speed speed_mode
+ * ledc_channel_config_t.gpio_num : LEDC output gpio_num, if you want to use gpio16, ledc_channel_config_t.gpio_num = 16
+ * ledc_channel_config_t.channel : LEDC channel(0 - 7)
+ * ledc_channel_config_t.intr_type : configure interrupt, Fade interrupt enable or Fade interrupt disable
+ * ledc_channel_config_t.timer_sel : Select the timer source of channel (0 - 3), high speed channel must bind with high speed timer.
+ * ledc_channel_config_t.duty : LEDC channel duty, the duty range is [0, (2**timer_bit_num) - 1],
+ * @return ESP_OK: success
+ * ESP_ERR_INVALID_ARG: parameter error
+ *
+ */
+esp_err_t ledc_channel_config(ledc_channel_config_t* ledc_conf);
/**
- * @brief LEDC common configuration
- *
- * User this Function, configure LEDC with the given channel/output gpio_num/interrupt/source timer/frequency(Hz)/LEDC depth
- *
- * @param[in] ledc_config_t
- * ledc_config_t.speed_mode : LEDC speed speed_mode
- * ledc_config_t.gpio_num : LEDC output gpio_num, if you want to use gpio16, ledc_config_t.gpio_num = 16
- * ledc_config_t.channel : LEDC channel(0 - 7)
- * ledc_config_t.intr_type : configure interrupt, Fade interrupt enable or Fade interrupt disable
- * ledc_config_t.timer_sel : Select the timer source of channel (0 - 3)
- * When different channel, select same timer, their freq_hz and bit_num must be the same
- * ledc_config_t.freq_hz : LEDC channel frequency(Hz),
- * When different channel, select same time, their freq_hz and bit_num must be same
- * ledc_config_t.duty : LEDC channel duty, the duty range is [0, (2**bit_num) - 1],
- * ledc_config_t.bit_num : LEDC channel duty depth
- * When different channel, select same time, their freq_hz and bit_num must be same
+ * @brief LEDC timer configuration
+ *
+ * User this Function, configure LEDC timer with the given source timer/frequency(Hz)/bit_num
+ *
+ * @param[in] ledc_timer_config_t
+ * ledc_timer_config_t.speed_mode : LEDC speed speed_mode
+ * ledc_timer_config_t.timer_num : Select the timer source of channel (0 - 3)
+ * ledc_timer_config_t.freq_hz : LEDC channel frequency(Hz),
+ * ledc_timer_config_t.bit_num : LEDC channel duty depth
* @return ESP_OK: success
* ESP_ERR_INVALID_ARG: parameter error
* ESP_FAIL: Can not find a proper pre-divider number base on the given frequency and the current bit_num.
*
*/
-esp_err_t ledc_config(ledc_config_t* ledc_conf);
+esp_err_t ledc_timer_config(ledc_timer_config_t* timer_conf);
/**
* @brief LEDC update channel parameters
*
* @param[in] speed_mode : select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
*
- * @param[in] channel : LEDC channel(0-7)
+ * @param[in] channel : LEDC channel(0-7), select from ledc_channel_t
*
* @return ESP_OK: success
* ESP_ERR_INVALID_ARG: parameter error
*
*/
-esp_err_t ledc_update(ledc_mode_t speed_mode, ledc_channel_t channel);
+esp_err_t ledc_update_duty(ledc_mode_t speed_mode, ledc_channel_t channel);
/**
* @brief LEDC stop
*
* @param[in] speed_mode : select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
*
- * @param[in] channel : LEDC channel(0-7)
+ * @param[in] channel : LEDC channel(0-7), select from ledc_channel_t
*
* @return ESP_OK: success
* ESP_ERR_INVALID_ARG: parameter error
*
* @param[in] speed_mode : select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
*
- * @param[in] timer_num : LEDC timer index(0-3)
+ * @param[in] timer_num : LEDC timer index(0-3), select from ledc_timer_t
*
* @param[in] freq_hz : set the LEDC frequency
*
*
* @param[in] speed_mode : select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
*
- * @param[in] timer_num : LEDC timer index(0-3)
+ * @param[in] timer_num : LEDC timer index(0-3), select from ledc_timer_t
*
* @return 0 : error
* others : current LEDC frequency
/**
* @brief LEDC set duty
*
- * Set LEDC duty, After the function calls the ledc_update function, the function can take effect.
+ * Set LEDC duty, After the function calls the ledc_update_duty function, the function can take effect.
*
* @param[in] speed_mode : select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
*
- * @param[in] channel : LEDC channel(0-7)
+ * @param[in] channel : LEDC channel(0-7), select from ledc_channel_t
*
* @param[in] duty : set the LEDC duty, the duty range is [0, (2**bit_num) - 1]
*
*
* @param[in] speed_mode : select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
*
- * @param[in] channel : LEDC channel(0-7)
+ * @param[in] channel : LEDC channel(0-7), select from ledc_channel_t
*
*
* @return -1: parameter error
/**
* @brief LEDC set gradient
*
- * Set LEDC gradient, After the function calls the ledc_update function, the function can take effect.
+ * Set LEDC gradient, After the function calls the ledc_update_duty function, the function can take effect.
*
* @param[in] speed_mode : select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
*
- * @param[in] channel : LEDC channel(0-7)
+ * @param[in] channel : LEDC channel(0-7), select from ledc_channel_t
*
* @param[in] duty : set the start of the gradient duty, the duty range is [0, (2**bit_num) - 1]
*
* Users should know that which CPU is running and then pick a INUM that is not used by system.
* We can find the information of INUM and interrupt level in soc.h.
* TODO: to move INUM options to menu_config
- * @parameter uint32_t ledc_intr_num : LEDC interrupt number, check the info in soc.h, and please see the core-isa.h for more details
- * @parameter void (* fn)(void* ) : interrupt handler function.
+ * @param[in] uint32_t ledc_intr_num : LEDC interrupt number, check the info in soc.h, and please see the core-isa.h for more details
+ * @param[in] void (* fn)(void* ) : interrupt handler function.
* Note that the handler function MUST be defined with attribution of "IRAM_ATTR".
- * @parameter void * arg : parameter for handler function
+ * @param[in] void * arg : parameter for handler function
*
* @return ESP_OK : success ;
* ESP_ERR_INVALID_ARG : function ptr error.
* other value: current LEDC duty
*
*/
-esp_err_t ledc_timer_config(ledc_mode_t speed_mode, ledc_timer_t timer_sel, uint32_t div_num, uint32_t bit_num, ledc_clk_src_t clk_src);
+esp_err_t ledc_timer_set(ledc_mode_t speed_mode, ledc_timer_t timer_sel, uint32_t div_num, uint32_t bit_num, ledc_clk_src_t clk_src);
/**
* @brief reset LEDC timer
*
* @param[in] speed_mode : select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
*
- * @param[in] timer_sel : LEDC timer index(0-3)
+ * @param[in] timer_sel : LEDC timer index(0-3), select from ledc_timer_t
*
*
* @return ESP_ERR_INVALID_ARG: parameter error
*
* @param[in] speed_mode : select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
*
- * @param[in] timer_sel : LEDC timer index(0-3)
+ * @param[in] timer_sel : LEDC timer index(0-3), select from ledc_timer_t
*
*
* @return ESP_ERR_INVALID_ARG: parameter error
*
* @param[in] speed_mode : select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
*
- * @param[in] timer_sel : LEDC timer index(0-3)
+ * @param[in] timer_sel : LEDC timer index(0-3), select from ledc_timer_t
*
*
* @return ESP_ERR_INVALID_ARG: parameter error
*
* @param[in] speed_mode : select the LEDC speed_mode, high-speed mode and low-speed mode, now we only support high-speed mode. We will access low-speed mode in next version
*
- * @param[in] channel : LEDC channel index(0-7)
+ * @param[in] channel : LEDC channel index(0-7), select from ledc_channel_t
*
- * @param[in] timer_idx : LEDC timer index(0-3)
+ * @param[in] timer_idx : LEDC timer index(0-3), select from ledc_timer_t
*
*
* @return ESP_ERR_INVALID_ARG: parameter error
*
*
* ----------------EXAMPLE OF LEDC SETTING ---------------------
- * ledc_config_t ledc_conf = {
+ * //1. enable LEDC
+ * periph_module_enable(PERIPH_LEDC_MODULE); //enable LEDC module, or you can not set any register of it.
+ *
+ * //2. set LEDC timer
+ * ledc_timer_config_t timer_conf = {
+ * .bit_num = LEDC_TIMER_12_BIT, //set timer counter bit number
+ * .freq_hz = 1000, //set frequency of pwm, here, 1000Hz
+ * .speed_mode = LEDC_HIGH_SPEED_MODE //timer mode,
+ * .timer_num = LEDC_TIMER_0, //timer number
+ * };
+ * ledc_timer_config(&timer_conf); //setup timer.
+ *
+ * //3. set LEDC channel
+ * ledc_channel_config_t ledc_conf = {
* .channel = LEDC_CHANNEL_0; //set LEDC channel 0
* .duty = 1000; //set the duty for initialization.(duty range is 0 ~ ((2**bit_num)-1)
- * .freq_hz = 1000; //set frequency, e.g., 1KHz
* .gpio_num = 16; //GPIO number
* .intr_type = LEDC_INTR_FADE_END; //GPIO INTR TYPE, as an example, we enable fade_end interrupt here.
- * .bit_num = LEDC_TIMER_12_BIT; //set bit_num, (duty range is 0 ~ ((2**bit_num)-1)
* .speed_mode = LEDC_HIGH_SPEED_MODE; //set LEDC mode, from ledc_mode_t
- * .timer_sel = LEDC_TIMER0; //set LEDC timer source, if different channel use one timer, the frequency and bit_num of these channels should be the same
+ * .timer_sel = LEDC_TIMER_0; //set LEDC timer source, if different channel use one timer, the frequency and bit_num of these channels should be the same
* }
- * ledc_config(&ledc_conf); //setup the configuration
+ * ledc_channel_config(&ledc_conf); //setup the configuration
+ *
* ----------------EXAMPLE OF SETTING DUTY --- -----------------
* uint32_t ledc_channel = LEDC_CHANNEL_0; //LEDC channel(0-73)
* uint32_t duty = 2000; //duty range is 0 ~ ((2**bit_num)-1)
* LEDC_set_duty(LEDC_HIGH_SPEED_MODE, ledc_channel, duty); //set speed mode, channel, and duty.
- * ledc_update(LEDC_HIGH_SPEED_MODE, ledc_channel); //after set duty, we need to call ledc_update to update the settings.
+ * ledc_update_duty(LEDC_HIGH_SPEED_MODE, ledc_channel); //after set duty, we need to call ledc_update_duty to update the settings.
*
*
* ----------------EXAMPLE OF LEDC INTERRUPT ------------------
--- /dev/null
+// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef _DRIVER_PERIPH_CTRL_H_
+#define _DRIVER_PERIPH_CTRL_H_
+#include "esp_err.h"
+#include "soc/soc.h"
+#include "soc/dport_reg.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum {
+ PERIPH_LEDC_MODULE = 0,
+ PERIPH_UART0_MODULE,
+ PERIPH_UART1_MODULE,
+ PERIPH_UART2_MODULE,
+ PERIPH_I2C0_MODULE,
+ PERIPH_I2C1_MODULE,
+ PERIPH_I2S0_MODULE,
+ PERIPH_I2S1_MODULE,
+ PERIPH_TIMG0_MODULE,
+ PERIPH_TIMG1_MODULE,
+ PERIPH_PWM0_MODULE,
+ PERIPH_PWM1_MODULE,
+ PERIPH_PWM2_MODULE,
+ PERIPH_PWM3_MODULE,
+ PERIPH_UHCI0_MODULE,
+ PERIPH_UHCI1_MODULE,
+} periph_module_t;
+
+/**
+ * @brief enable peripheral module
+ *
+ * @param[in] periph : Peripheral module name
+ *
+ *
+ * @return NULL
+ *
+ */
+void periph_module_enable(periph_module_t periph);
+
+/**
+ * @brief disable peripheral module
+ *
+ * @param[in] periph : Peripheral module name
+ *
+ *
+ * @return NULL
+ *
+ */
+void periph_module_disable(periph_module_t periph);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _DRIVER_PERIPH_CTRL_H_ */
#include "freertos/FreeRTOS.h"
#include "freertos/semphr.h"
#include "freertos/xtensa_api.h"
-#include "soc/dport_reg.h"
#include "soc/gpio_sig_map.h"
#include "driver/ledc.h"
static bool ledc_is_valid_timer(int timer)
{
- if(timer > LEDC_TIMER3) {
+ if(timer > LEDC_TIMER_3) {
LEDC_ERROR("LEDC TIMER ERR: %d\n", timer);
return false;
}
return true;
}
-esp_err_t ledc_timer_config(ledc_mode_t speed_mode, ledc_timer_t timer_sel, uint32_t div_num, uint32_t bit_num, ledc_clk_src_t clk_src)
+esp_err_t ledc_timer_set(ledc_mode_t speed_mode, ledc_timer_t timer_sel, uint32_t div_num, uint32_t bit_num, ledc_clk_src_t clk_src)
{
if(!ledc_is_valid_mode(speed_mode)) {
return ESP_ERR_INVALID_ARG;
LEDC.timer_group[speed_mode].timer[timer_sel].conf.div_num = div_num;
LEDC.timer_group[speed_mode].timer[timer_sel].conf.tick_sel = clk_src;
LEDC.timer_group[speed_mode].timer[timer_sel].conf.bit_num = bit_num;
- if(speed_mode == LEDC_HIGH_SPEED_MODE) {
+ if(speed_mode != LEDC_HIGH_SPEED_MODE) {
LEDC.timer_group[speed_mode].timer[timer_sel].conf.low_speed_update = 1;
}
portEXIT_CRITICAL(&ledc_spinlock);
return ESP_OK;
}
-esp_err_t ledc_config(ledc_config_t* ledc_conf)
+esp_err_t ledc_timer_config(ledc_timer_config_t* timer_conf)
{
- SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_LEDC_CLK_EN);
- CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_LEDC_RST);
+ int freq_hz = timer_conf->freq_hz;
+ int bit_num = timer_conf->bit_num;
+ int timer_num = timer_conf->timer_num;
+ int speed_mode = timer_conf->speed_mode;
- uint32_t speed_mode = ledc_conf->speed_mode;
- uint32_t gpio_num = ledc_conf->gpio_num;
- uint32_t ledc_channel = ledc_conf->channel;
- uint32_t freq_hz = ledc_conf->freq_hz;
- uint32_t timer_select = ledc_conf->timer_sel;
- uint32_t bit_num = ledc_conf->bit_num;
- uint32_t intr_type = ledc_conf->intr_type;
- uint32_t duty = ledc_conf->duty;
- uint32_t div_param = 0;
- uint32_t precision = 0;
- int timer_clk_src = 0;
-
- if(!ledc_is_valid_channel(ledc_channel)) {
- return ESP_ERR_INVALID_ARG;
- }
if(!ledc_is_valid_mode(speed_mode)) {
return ESP_ERR_INVALID_ARG;
}
- if(!GPIO_IS_VALID_OUTPUT_GPIO(gpio_num)) {
- LEDC_ERROR("GPIO number error: IO%d\n ", gpio_num);
- return ESP_ERR_INVALID_ARG;
- }
if(freq_hz == 0 || bit_num == 0 || bit_num > LEDC_TIMER_15_BIT) {
- LEDC_ERROR("freq_hz=%u bit_num=%u\n", div_param, bit_num);
+ LEDC_ERROR("freq_hz=%u bit_num=%u\n", freq_hz, bit_num);
return ESP_ERR_INVALID_ARG;
}
- if(timer_select > LEDC_TIMER3) {
- LEDC_ERROR("Time Select %u\n", timer_select);
+ if(timer_num > LEDC_TIMER_3) {
+ LEDC_ERROR("Time Select %u\n", timer_num);
return ESP_ERR_INVALID_ARG;
}
- portENTER_CRITICAL(&ledc_spinlock);
esp_err_t ret = ESP_OK;
- precision = (0x1 << bit_num); //2**depth
- div_param = ((uint64_t) LEDC_APB_CLK_HZ << 8) / freq_hz / precision; //8bit fragment
+ uint32_t precision = (0x1 << bit_num); //2**depth
+ uint64_t div_param = ((uint64_t) LEDC_APB_CLK_HZ << 8) / freq_hz / precision; //8bit fragment
+ int timer_clk_src;
/*Fail ,because the div_num overflow or too small*/
if(div_param <= 256 || div_param > LEDC_DIV_NUM_HSTIMER0_V) { //REF TICK
/*Selet the reference tick*/
} else { //APB TICK
timer_clk_src = LEDC_APB_CLK;
}
- //1. set timer parameters
- // timer settings decide the clk of counter and the period of PWM
- ledc_timer_config(speed_mode, timer_select, div_param, bit_num, timer_clk_src);
- // reset timer.
- ledc_timer_rst(speed_mode, timer_select);
- //2. set channel parameters
- // channel parameters decide how the waveform looks like in one period
- // set channel duty, duty range is (0 ~ ((2 ** bit_num) - 1))
+ /*set timer parameters*/
+ /*timer settings decide the clk of counter and the period of PWM*/
+ ledc_timer_set(speed_mode, timer_num, div_param, bit_num, timer_clk_src);
+ /* reset timer.*/
+ ledc_timer_rst(speed_mode, timer_num);
+ return ret;
+}
+
+esp_err_t ledc_channel_config(ledc_channel_config_t* ledc_conf)
+{
+ uint32_t speed_mode = ledc_conf->speed_mode;
+ uint32_t gpio_num = ledc_conf->gpio_num;
+ uint32_t ledc_channel = ledc_conf->channel;
+ uint32_t timer_select = ledc_conf->timer_sel;
+ uint32_t intr_type = ledc_conf->intr_type;
+ uint32_t duty = ledc_conf->duty;
+
+ if(!ledc_is_valid_channel(ledc_channel)) {
+ return ESP_ERR_INVALID_ARG;
+ }
+ if(!ledc_is_valid_mode(speed_mode)) {
+ return ESP_ERR_INVALID_ARG;
+ }
+ if(!GPIO_IS_VALID_OUTPUT_GPIO(gpio_num)) {
+ LEDC_ERROR("GPIO number error: IO%d\n ", gpio_num);
+ return ESP_ERR_INVALID_ARG;
+ }
+ if(timer_select > LEDC_TIMER_3) {
+ LEDC_ERROR("Time Select %u\n", timer_select);
+ return ESP_ERR_INVALID_ARG;
+ }
+ esp_err_t ret = ESP_OK;
+ /*set channel parameters*/
+ /* channel parameters decide how the waveform looks like in one period*/
+ /* set channel duty, duty range is (0 ~ ((2 ** bit_num) - 1))*/
ledc_set_duty(speed_mode, ledc_channel, duty);
- //update duty settings
- ledc_update(speed_mode, ledc_channel);
- //3. bind the channel with the timer
+ /*update duty settings*/
+ ledc_update_duty(speed_mode, ledc_channel);
+ /*bind the channel with the timer*/
ledc_bind_channel_timer(speed_mode, ledc_channel, timer_select);
- //4. set interrupt type
+ /*set interrupt type*/
ledc_enable_intr_type(speed_mode, ledc_channel, intr_type);
- LEDC_INFO("LEDC_PWM CHANNEL %1u|GPIO %02u|FreHz %05u|Duty %04u|Depth %04u|Time %01u|SourceClk %01u|Divparam %u\n",
- ledc_channel, gpio_num, freq_hz, duty, bit_num, timer_select, timer_clk_src, div_param
+ LEDC_INFO("LEDC_PWM CHANNEL %1u|GPIO %02u|Duty %04u|Time %01u\n",
+ ledc_channel, gpio_num, duty, timer_select
);
- /*5. set LEDC signal in gpio matrix*/
+ /*set LEDC signal in gpio matrix*/
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[gpio_num], PIN_FUNC_GPIO);
gpio_set_direction(gpio_num, GPIO_MODE_OUTPUT);
gpio_matrix_out(gpio_num, LEDC_HS_SIG_OUT0_IDX + ledc_channel, 0, 0);
- portEXIT_CRITICAL(&ledc_spinlock);
return ret;
}
-esp_err_t ledc_update(ledc_mode_t speed_mode, ledc_channel_t channel)
+esp_err_t ledc_update_duty(ledc_mode_t speed_mode, ledc_channel_t channel)
{
if(!ledc_is_valid_mode(speed_mode)) {
return ESP_ERR_INVALID_ARG;
--- /dev/null
+// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+#include <esp_types.h>
+#include "esp_intr.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/semphr.h"
+#include "freertos/xtensa_api.h"
+#include "soc/dport_reg.h"
+#include "driver/periph_ctrl.h"
+
+static portMUX_TYPE periph_spinlock = portMUX_INITIALIZER_UNLOCKED;
+
+void periph_module_enable(periph_module_t periph)
+{
+ portENTER_CRITICAL(&periph_spinlock);
+ switch(periph) {
+ case PERIPH_LEDC_MODULE:
+ SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_LEDC_CLK_EN);
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_LEDC_RST);
+ break;
+ case PERIPH_UART0_MODULE:
+ SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_UART_CLK_EN);
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_UART_RST);
+ break;
+ case PERIPH_UART1_MODULE:
+ SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_UART1_CLK_EN);
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_UART1_RST);
+ break;
+ case PERIPH_UART2_MODULE:
+ SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_UART2_CLK_EN);
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_UART2_RST);
+ break;
+ case PERIPH_I2C0_MODULE:
+ SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_I2C_EXT0_CLK_EN);
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_I2C_EXT0_RST);
+ break;
+ case PERIPH_I2C1_MODULE:
+ SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_I2C_EXT1_CLK_EN);
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_I2C_EXT1_RST);
+ break;
+ case PERIPH_I2S0_MODULE:
+ SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_I2S0_CLK_EN);
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_I2S0_RST);
+ break;
+ case PERIPH_I2S1_MODULE:
+ SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_I2S1_CLK_EN);
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_I2S1_RST);
+ break;
+ case PERIPH_TIMG0_MODULE:
+ SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_TIMERGROUP_CLK_EN);
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_TIMERGROUP_RST);
+ break;
+ case PERIPH_TIMG1_MODULE:
+ SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_TIMERGROUP1_CLK_EN);
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_TIMERGROUP1_RST);
+ break;
+ case PERIPH_PWM0_MODULE:
+ SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_PWM0_CLK_EN);
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_PWM0_RST);
+ break;
+ case PERIPH_PWM1_MODULE:
+ SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_PWM1_CLK_EN);
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_PWM1_RST);
+ break;
+ case PERIPH_PWM2_MODULE:
+ SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_PWM2_CLK_EN);
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_PWM2_RST);
+ break;
+ case PERIPH_PWM3_MODULE:
+ SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_PWM3_CLK_EN);
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_PWM3_RST);
+ break;
+ case PERIPH_UHCI0_MODULE:
+ SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_UHCI0_CLK_EN);
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_UHCI0_RST);
+ break;
+ case PERIPH_UHCI1_MODULE:
+ SET_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_UHCI1_CLK_EN);
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_UHCI1_RST);
+ break;
+ default:
+ break;
+ }
+ portENTER_CRITICAL(&periph_spinlock);
+}
+
+void periph_module_disable(periph_module_t periph)
+{
+ portENTER_CRITICAL(&periph_spinlock);
+ switch(periph) {
+ case PERIPH_LEDC_MODULE:
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_LEDC_CLK_EN);
+ SET_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_LEDC_RST);
+ break;
+ case PERIPH_UART0_MODULE:
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_UART_CLK_EN);
+ SET_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_UART_RST);
+ break;
+ case PERIPH_UART1_MODULE:
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_UART1_CLK_EN);
+ SET_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_UART1_RST);
+ break;
+ case PERIPH_UART2_MODULE:
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_UART2_CLK_EN);
+ SET_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_UART2_RST);
+ break;
+ case PERIPH_I2C0_MODULE:
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_I2C_EXT0_CLK_EN);
+ SET_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_I2C_EXT0_RST);
+ break;
+ case PERIPH_I2C1_MODULE:
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_I2C_EXT0_CLK_EN);
+ SET_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_I2C_EXT1_RST);
+ break;
+ case PERIPH_I2S0_MODULE:
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_I2S0_CLK_EN);
+ SET_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_I2S0_RST);
+ break;
+ case PERIPH_I2S1_MODULE:
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_I2S1_CLK_EN);
+ SET_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_I2S1_RST);
+ break;
+ case PERIPH_TIMG0_MODULE:
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_TIMERGROUP_CLK_EN);
+ SET_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_TIMERGROUP_RST);
+ break;
+ case PERIPH_TIMG1_MODULE:
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_TIMERGROUP1_CLK_EN);
+ SET_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_TIMERGROUP1_RST);
+ break;
+ case PERIPH_PWM0_MODULE:
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_PWM0_CLK_EN);
+ SET_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_PWM0_RST);
+ break;
+ case PERIPH_PWM1_MODULE:
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_PWM1_CLK_EN);
+ SET_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_PWM1_RST);
+ break;
+ case PERIPH_PWM2_MODULE:
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_PWM2_CLK_EN);
+ SET_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_PWM2_RST);
+ break;
+ case PERIPH_PWM3_MODULE:
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_PWM3_CLK_EN);
+ SET_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_PWM3_RST);
+ break;
+ case PERIPH_UHCI0_MODULE:
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_UHCI0_CLK_EN);
+ SET_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_UHCI0_RST);
+ break;
+ case PERIPH_UHCI1_MODULE:
+ CLEAR_PERI_REG_MASK(DPORT_PERIP_CLK_EN_REG, DPORT_UHCI1_CLK_EN);
+ SET_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_UHCI1_RST);
+ break;
+ default:
+ break;
+ }
+ portENTER_CRITICAL(&periph_spinlock);
+}