ESP32 DAC - 版本历史

Comcat：/* Connections */

2016-12-15T06:47:12Z

‎Connections

Comcat：/* API */

2016-12-15T06:45:08Z

‎API

Comcat：/* Overview */

2016-12-15T06:44:29Z

‎Overview

Comcat：以“== Overview == Two DAC channel of ESP32: * GPIO25 / RTC_GPIO6 / PIN_14 * GPIO26 / RTC_GPIO7 / PIN_15

== API == static esp_err_t dac_p...”为内容创建页面

2016-12-15T06:20:54Z

以“== Overview == Two DAC channel of ESP32: * GPIO25 / RTC_GPIO6 / PIN_14 * GPIO26 / RTC_GPIO7 / PIN_15 == API == <source lang=cpp> static esp_err_t dac_p...”为内容创建页面

新页面

== Overview ==

Two DAC channel of ESP32:

* GPIO25 / RTC_GPIO6 / PIN_14
* GPIO26 / RTC_GPIO7 / PIN_15

 

== API ==

<source lang=cpp>
static esp_err_t dac_pad_get_io_num(dac_channel_t channel, gpio_num_t *gpio_num)
{
RTC_MODULE_CHECK(channel < DAC_CHANNEL_MAX, "DAC Channel Err", ESP_ERR_INVALID_ARG);

switch (channel) {
case DAC_CHANNEL_1:
*gpio_num = 25;
break;
case DAC_CHANNEL_2:
*gpio_num = 26;
break;
default:
return ESP_ERR_INVALID_ARG;
}

return ESP_OK;
}

static esp_err_t dac_rtc_pad_init(dac_channel_t channel)
{
RTC_MODULE_CHECK(channel < DAC_CHANNEL_MAX, "DAC Channel Err", ESP_ERR_INVALID_ARG);
gpio_num_t gpio_num = 0;
dac_pad_get_io_num(channel, &gpio_num);
rtc_gpio_init(gpio_num);
rtc_gpio_output_disable(gpio_num);
rtc_gpio_input_disable(gpio_num);
rtc_gpio_pullup_dis(gpio_num);
rtc_gpio_pulldown_dis(gpio_num);

return ESP_OK;
}

static esp_err_t dac_out_enable(dac_channel_t channel)
{
if (channel == DAC_CHANNEL_1) {
portENTER_CRITICAL(&rtc_spinlock);
SET_PERI_REG_MASK(RTC_IO_PAD_DAC1_REG, RTC_IO_PDAC1_XPD_DAC | RTC_IO_PDAC1_DAC_XPD_FORCE);
portEXIT_CRITICAL(&rtc_spinlock);
} else if (channel == DAC_CHANNEL_2) {
portENTER_CRITICAL(&rtc_spinlock);
SET_PERI_REG_MASK(RTC_IO_PAD_DAC2_REG, RTC_IO_PDAC2_XPD_DAC | RTC_IO_PDAC2_DAC_XPD_FORCE);
portEXIT_CRITICAL(&rtc_spinlock);
} else {
return ESP_ERR_INVALID_ARG;
}

return ESP_OK;
}

esp_err_t dac_out_voltage(dac_channel_t channel, uint8_t dac_value)
{
RTC_MODULE_CHECK(channel < DAC_CHANNEL_MAX, "DAC Channel Err", ESP_ERR_INVALID_ARG);
portENTER_CRITICAL(&rtc_spinlock);
//Disable Tone
CLEAR_PERI_REG_MASK(SENS_SAR_DAC_CTRL1_REG, SENS_SW_TONE_EN);

//Disable Channel Tone
if (channel == DAC_CHANNEL_1) {
CLEAR_PERI_REG_MASK(SENS_SAR_DAC_CTRL2_REG, SENS_DAC_CW_EN1_M);
} else if (channel == DAC_CHANNEL_2) {
CLEAR_PERI_REG_MASK(SENS_SAR_DAC_CTRL2_REG, SENS_DAC_CW_EN2_M);
}

//Set the Dac value
if (channel == DAC_CHANNEL_1) {
SET_PERI_REG_BITS(RTC_IO_PAD_DAC1_REG, RTC_IO_PDAC1_DAC, dac_value, RTC_IO_PDAC1_DAC_S); //dac_output
} else if (channel == DAC_CHANNEL_2) {
SET_PERI_REG_BITS(RTC_IO_PAD_DAC2_REG, RTC_IO_PDAC2_DAC, dac_value, RTC_IO_PDAC2_DAC_S); //dac_output
}

portEXIT_CRITICAL(&rtc_spinlock);
//dac pad init
dac_rtc_pad_init(channel);
dac_out_enable(channel);

return ESP_OK;
}
</source>

←上一版本		2016年12月15日 (四) 06:47的版本
第93行：		第93行：

	The serial will output the voltage of the Quantum_D5_GPIO25 (DAC Channel 1) / Quantum_D6_GPIO26 (DAC channel 2)		The serial will output the voltage of the Quantum_D5_GPIO25 (DAC Channel 1) / Quantum_D6_GPIO26 (DAC channel 2)
		+
		+	<br><br>
		+
		+	=== Output ===
		+
		+	<source lang=bash>
		+	rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
		+	ets Jun 8 2016 00:22:57
		+
		+	rst:0x10 (RTCWDT_RTC_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
		+	configsip: 0, SPIWP:0x00
		+	clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
		+	mode:QIO, clock div:1
		+	load:0x3ffc0008,len:4
		+	load:0x3ffc000c,len:1880
		+	load:0x40078000,len:3408
		+	ho 0 tail 12 room 4
		+	load:0x40080000,len:260
		+	entry 0x40080034
		+	I (370) heap_alloc_caps: Initializing heap allocator:
		+	I (370) heap_alloc_caps: Region 19: 3FFB4784 len 0002B87C tag 0
		+	I (372) heap_alloc_caps: Region 25: 3FFE8000 len 00018000 tag 1
		+	I (382) cpu_start: Pro cpu up.
		+	I (387) cpu_start: Single core mode
		+	I (394) cpu_start: Pro cpu start user code
		+	I (599) phy: phy_version: 258, Nov 29 2016, 15:51:07, 0, 0
		+	I (748) cpu_start: Starting scheduler on PRO CPU.
		+	Welcome to Noduino Quantum
		+	Try to output a voltage through GPIO25/26...
		+	ESP32 ADC1_CH7 (IO35) = 229
		+	ESP32 ADC1_CH7 (IO35) = 978
		+	ESP32 ADC1_CH7 (IO35) = 1762
		+	ESP32 ADC1_CH7 (IO35) = 2493
		+	......
		+	......
		+	</source>

	<br><br>		<br><br>

@@ 第178行： / 第178行： @@
 </source>
-<br><br><br><br>
+<br><br>
 <br><br><br><br>
 <br><br><br><br>

@@ 第5行： / 第5行： @@
 * GPIO25 / RTC_GPIO6 / PIN_14
 * GPIO26 / RTC_GPIO7 / PIN_15
 <br><br>

ESP32 DAC - 版本历史

Comcat：/* Connections */

Comcat：/* API */

Comcat：/* Overview */

Comcat：以“== Overview == Two DAC channel of ESP32: * GPIO25 / RTC_GPIO6 / PIN_14 * GPIO26 / RTC_GPIO7 / PIN_15 == API == static esp_err_t dac_p...”为内容创建页面

Comcat：以“== Overview == Two DAC channel of ESP32: * GPIO25 / RTC_GPIO6 / PIN_14 * GPIO26 / RTC_GPIO7 / PIN_15

== API == static esp_err_t dac_p...”为内容创建页面