forked from espressif/arduino-esp32
v2.0.0 Add support for ESP32S2 and update ESP-IDF to 4.4 (#4996)
This is very much still work in progress and much more will change before the final 2.0.0 Some APIs have changed. New libraries have been added. LittleFS included. Co-authored-by: Seon Rozenblum <seonr@3sprockets.com> Co-authored-by: Me No Dev <me-no-dev@users.noreply.github.com> Co-authored-by: geeksville <kevinh@geeksville.com> Co-authored-by: Mike Dunston <m_dunston@comcast.net> Co-authored-by: Unexpected Maker <seon@unexpectedmaker.com> Co-authored-by: Seon Rozenblum <seonr@3sprockets.com> Co-authored-by: microDev <70126934+microDev1@users.noreply.github.com> Co-authored-by: tobozo <tobozo@users.noreply.github.com> Co-authored-by: bobobo1618 <bobobo1618@users.noreply.github.com> Co-authored-by: lorol <lorolouis@gmail.com> Co-authored-by: geeksville <kevinh@geeksville.com> Co-authored-by: Limor "Ladyada" Fried <limor@ladyada.net> Co-authored-by: Sweety <switi.mhaiske@espressif.com> Co-authored-by: Loick MAHIEUX <loick111@gmail.com> Co-authored-by: Larry Bernstone <lbernstone@gmail.com> Co-authored-by: Valerii Koval <valeros@users.noreply.github.com> Co-authored-by: 快乐的我531 <2302004040@qq.com> Co-authored-by: chegewara <imperiaonline4@gmail.com> Co-authored-by: Clemens Kirchgatterer <clemens@1541.org> Co-authored-by: Aron Rubin <aronrubin@gmail.com> Co-authored-by: Pete Lewis <601236+lewispg228@users.noreply.github.com>
This commit is contained in:
Me No Dev
GitHub
@ -13,20 +13,45 @@
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// limitations under the License.
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#include "esp32-hal-gpio.h"
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#include "pins_arduino.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "rom/ets_sys.h"
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#include "esp_attr.h"
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#include "esp_intr.h"
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#include "rom/gpio.h"
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#include "soc/gpio_reg.h"
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#include "soc/io_mux_reg.h"
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#include "soc/gpio_struct.h"
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#include "soc/rtc_io_reg.h"
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const int8_t esp32_adc2gpio[20] = {36, 37, 38, 39, 32, 33, 34, 35, -1, -1, 4, 0, 2, 15, 13, 12, 14, 27, 25, 26};
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#include "esp_system.h"
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#ifdef ESP_IDF_VERSION_MAJOR // IDF 4+
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#if CONFIG_IDF_TARGET_ESP32 // ESP32/PICO-D4
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#include "esp32/rom/ets_sys.h"
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#include "esp32/rom/gpio.h"
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#include "esp_intr_alloc.h"
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#define GPIO_FUNC 2
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#elif CONFIG_IDF_TARGET_ESP32S2
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#include "esp32s2/rom/ets_sys.h"
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#include "esp32s2/rom/gpio.h"
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#include "esp_intr_alloc.h"
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#include "soc/periph_defs.h"
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#define GPIO_FUNC 1
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#else
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#error Target CONFIG_IDF_TARGET is not supported
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#endif
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#else // ESP32 Before IDF 4.0
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#include "rom/ets_sys.h"
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#include "rom/gpio.h"
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#include "esp_intr.h"
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#endif
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const DRAM_ATTR esp32_gpioMux_t esp32_gpioMux[GPIO_PIN_COUNT]={
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#if CONFIG_IDF_TARGET_ESP32
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const int8_t esp32_adc2gpio[20] = {36, 37, 38, 39, 32, 33, 34, 35, -1, -1, 4, 0, 2, 15, 13, 12, 14, 27, 25, 26};
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#elif CONFIG_IDF_TARGET_ESP32S2
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const int8_t esp32_adc2gpio[20] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20};
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#endif
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const DRAM_ATTR esp32_gpioMux_t esp32_gpioMux[SOC_GPIO_PIN_COUNT]={
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#if CONFIG_IDF_TARGET_ESP32
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{0x44, 11, 11, 1},
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{0x88, -1, -1, -1},
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{0x40, 12, 12, 2},
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@ -67,6 +92,56 @@ const DRAM_ATTR esp32_gpioMux_t esp32_gpioMux[GPIO_PIN_COUNT]={
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{0x08, 1, 1, -1},
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{0x0c, 2, 2, -1},
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{0x10, 3, 3, -1}
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#elif CONFIG_IDF_TARGET_ESP32S2
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{0x04, 0, -1, -1},
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{0x08, 1, 0, 1},
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{0x0c, 2, 1, 2},
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{0x10, 3, 2, 3},
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{0x14, 4, 3, 4},
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{0x18, 5, 4, 5},
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{0x1c, 6, 5, 6},
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{0x20, 7, 6, 7},
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{0x24, 8, 7, 8},
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{0x28, 9, 8, 9},//FSPI_HD
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{0x2c, 10, 9, 10},//FSPI_CS0 / FSPI_D4
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{0x30, 11, 10, 11},//FSPI_D / FSPI_D5
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{0x34, 12, 11, 12},//FSPI_CLK / FSPI_D6
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{0x38, 13, 12, 13},//FSPI_Q / FSPI_D7
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{0x3c, 14, 13, 14},//FSPI_WP / FSPI_DQS
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{0x40, 15, 14, -1},//32K+ / RTS0
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{0x44, 16, 15, -1},//32K- / CTS0
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{0x48, 17, 16, -1},//DAC1 / TXD1
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{0x4c, 18, 17, -1},//DAC2 / RXD1
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{0x50, 19, 18, -1},//USB D- / RTS1
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{0x54, 20, 19, -1},//USB D+ / CTS1
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{0x58, 21, -1, -1},//SDA?
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{ 0, -1, -1, -1},//UNAVAILABLE
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{ 0, -1, -1, -1},//UNAVAILABLE
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{ 0, -1, -1, -1},//UNAVAILABLE
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{ 0, -1, -1, -1},//UNAVAILABLE
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{0x6c, -1, -1, -1},//RESERVED SPI_CS1
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{0x70, -1, -1, -1},//RESERVED SPI_HD
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{0x74, -1, -1, -1},//RESERVED SPI_WP
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{0x78, -1, -1, -1},//RESERVED SPI_CS0
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{0x7c, -1, -1, -1},//RESERVED SPI_CLK
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{0x80, -1, -1, -1},//RESERVED SPI_Q
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{0x84, -1, -1, -1},//RESERVED SPI_D
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{0x88, -1, -1, -1},//FSPI_HD
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{0x8c, -1, -1, -1},//FSPI_CS0
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{0x90, -1, -1, -1},//FSPI_D
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{0x94, -1, -1, -1},//FSPI_CLK
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{0x98, -1, -1, -1},//FSPI_Q
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{0x9c, -1, -1, -1},//FSPI_WP
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{0xa0, -1, -1, -1},//MTCK
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{0xa4, -1, -1, -1},//MTDO
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{0xa8, -1, -1, -1},//MTDI
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{0xac, -1, -1, -1},//MTMS
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{0xb0, -1, -1, -1},//TXD0
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{0xb4, -1, -1, -1},//RXD0
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{0xb8, -1, -1, -1},//SCL?
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{0xbc, -1, -1, -1},//INPUT ONLY
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{0, -1, -1, -1}
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#endif
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};
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typedef void (*voidFuncPtr)(void);
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@ -76,56 +151,57 @@ typedef struct {
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void* arg;
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bool functional;
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} InterruptHandle_t;
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static InterruptHandle_t __pinInterruptHandlers[GPIO_PIN_COUNT] = {0,};
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static InterruptHandle_t __pinInterruptHandlers[SOC_GPIO_PIN_COUNT] = {0,};
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#include "driver/rtc_io.h"
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extern void IRAM_ATTR __pinMode(uint8_t pin, uint8_t mode)
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extern void ARDUINO_ISR_ATTR __pinMode(uint8_t pin, uint8_t mode)
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{
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if(!digitalPinIsValid(pin)) {
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return;
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}
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uint32_t rtc_reg = rtc_gpio_desc[pin].reg;
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int8_t rtc_io = esp32_gpioMux[pin].rtc;
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uint32_t rtc_reg = (rtc_io != -1)?rtc_io_desc[rtc_io].reg:0;
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if(mode == ANALOG) {
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if(!rtc_reg) {
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return;//not rtc pin
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}
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//lock rtc
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uint32_t reg_val = ESP_REG(rtc_reg);
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if(reg_val & rtc_gpio_desc[pin].mux){
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return;//already in adc mode
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#if CONFIG_IDF_TARGET_ESP32S2
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SENS.sar_io_mux_conf.iomux_clk_gate_en = 1;
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#endif
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SET_PERI_REG_MASK(rtc_io_desc[rtc_io].reg, (rtc_io_desc[rtc_io].mux));
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SET_PERI_REG_BITS(rtc_io_desc[rtc_io].reg, RTC_IO_TOUCH_PAD1_FUN_SEL_V, 0, rtc_io_desc[rtc_io].func);
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RTCIO.pin[rtc_io].pad_driver = 0;//OD = 1
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RTCIO.enable_w1tc.w1tc = (1U << rtc_io);
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CLEAR_PERI_REG_MASK(rtc_io_desc[rtc_io].reg, rtc_io_desc[rtc_io].ie);
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if (rtc_io_desc[rtc_io].pullup) {
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CLEAR_PERI_REG_MASK(rtc_io_desc[rtc_io].reg, rtc_io_desc[rtc_io].pullup);
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}
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reg_val &= ~(
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(RTC_IO_TOUCH_PAD1_FUN_SEL_V << rtc_gpio_desc[pin].func)
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|rtc_gpio_desc[pin].ie
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|rtc_gpio_desc[pin].pullup
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|rtc_gpio_desc[pin].pulldown);
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ESP_REG(RTC_GPIO_ENABLE_W1TC_REG) = (1 << (rtc_gpio_desc[pin].rtc_num + RTC_GPIO_ENABLE_W1TC_S));
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ESP_REG(rtc_reg) = reg_val | rtc_gpio_desc[pin].mux;
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//unlock rtc
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ESP_REG(DR_REG_IO_MUX_BASE + esp32_gpioMux[pin].reg) = ((uint32_t)2 << MCU_SEL_S) | ((uint32_t)2 << FUN_DRV_S) | FUN_IE;
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if (rtc_io_desc[rtc_io].pulldown) {
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CLEAR_PERI_REG_MASK(rtc_io_desc[rtc_io].reg, rtc_io_desc[rtc_io].pulldown);
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}
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ESP_REG(DR_REG_IO_MUX_BASE + esp32_gpioMux[pin].reg) = ((uint32_t)GPIO_FUNC << MCU_SEL_S) | ((uint32_t)2 << FUN_DRV_S) | FUN_IE;
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return;
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}
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//RTC pins PULL settings
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if(rtc_reg) {
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//lock rtc
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ESP_REG(rtc_reg) = ESP_REG(rtc_reg) & ~(rtc_gpio_desc[pin].mux);
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ESP_REG(rtc_reg) = ESP_REG(rtc_reg) & ~(rtc_io_desc[rtc_io].mux);
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if(mode & PULLUP) {
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ESP_REG(rtc_reg) = (ESP_REG(rtc_reg) | rtc_gpio_desc[pin].pullup) & ~(rtc_gpio_desc[pin].pulldown);
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ESP_REG(rtc_reg) = (ESP_REG(rtc_reg) | rtc_io_desc[rtc_io].pullup) & ~(rtc_io_desc[rtc_io].pulldown);
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} else if(mode & PULLDOWN) {
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ESP_REG(rtc_reg) = (ESP_REG(rtc_reg) | rtc_gpio_desc[pin].pulldown) & ~(rtc_gpio_desc[pin].pullup);
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ESP_REG(rtc_reg) = (ESP_REG(rtc_reg) | rtc_io_desc[rtc_io].pulldown) & ~(rtc_io_desc[rtc_io].pullup);
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} else {
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ESP_REG(rtc_reg) = ESP_REG(rtc_reg) & ~(rtc_gpio_desc[pin].pullup | rtc_gpio_desc[pin].pulldown);
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ESP_REG(rtc_reg) = ESP_REG(rtc_reg) & ~(rtc_io_desc[rtc_io].pullup | rtc_io_desc[rtc_io].pulldown);
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}
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//unlock rtc
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}
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uint32_t pinFunction = 0, pinControl = 0;
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//lock gpio
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if(mode & INPUT) {
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if(pin < 32) {
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GPIO.enable_w1tc = ((uint32_t)1 << pin);
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@ -133,9 +209,8 @@ extern void IRAM_ATTR __pinMode(uint8_t pin, uint8_t mode)
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GPIO.enable1_w1tc.val = ((uint32_t)1 << (pin - 32));
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}
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} else if(mode & OUTPUT) {
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if(pin > 33){
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//unlock gpio
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return;//pins above 33 can be only inputs
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if(pin >= NUM_OUPUT_PINS){
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return;
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} else if(pin < 32) {
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GPIO.enable_w1ts = ((uint32_t)1 << pin);
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} else {
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@ -153,9 +228,17 @@ extern void IRAM_ATTR __pinMode(uint8_t pin, uint8_t mode)
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pinFunction |= FUN_IE;//input enable but required for output as well?
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if(mode & (INPUT | OUTPUT)) {
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#if CONFIG_IDF_TARGET_ESP32
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pinFunction |= ((uint32_t)2 << MCU_SEL_S);
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#elif CONFIG_IDF_TARGET_ESP32S2
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pinFunction |= ((uint32_t)1 << MCU_SEL_S);
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#endif
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} else if(mode == SPECIAL) {
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pinFunction |= ((uint32_t)(((pin)==1||(pin)==3)?0:1) << MCU_SEL_S);
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#if CONFIG_IDF_TARGET_ESP32
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pinFunction |= ((uint32_t)(((pin)==RX||(pin)==TX)?0:1) << MCU_SEL_S);
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#elif CONFIG_IDF_TARGET_ESP32S2
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pinFunction |= ((uint32_t)(((pin)==RX||(pin)==TX)?0:2) << MCU_SEL_S);
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#endif
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} else {
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pinFunction |= ((uint32_t)(mode >> 5) << MCU_SEL_S);
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}
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@ -167,31 +250,30 @@ extern void IRAM_ATTR __pinMode(uint8_t pin, uint8_t mode)
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}
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GPIO.pin[pin].val = pinControl;
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//unlock gpio
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}
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extern void IRAM_ATTR __digitalWrite(uint8_t pin, uint8_t val)
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extern void ARDUINO_ISR_ATTR __digitalWrite(uint8_t pin, uint8_t val)
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{
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if(val) {
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if(pin < 32) {
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GPIO.out_w1ts = ((uint32_t)1 << pin);
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} else if(pin < 34) {
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} else if(pin < NUM_OUPUT_PINS) {
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GPIO.out1_w1ts.val = ((uint32_t)1 << (pin - 32));
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}
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} else {
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if(pin < 32) {
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GPIO.out_w1tc = ((uint32_t)1 << pin);
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} else if(pin < 34) {
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} else if(pin < NUM_OUPUT_PINS) {
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GPIO.out1_w1tc.val = ((uint32_t)1 << (pin - 32));
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}
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}
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}
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extern int IRAM_ATTR __digitalRead(uint8_t pin)
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extern int ARDUINO_ISR_ATTR __digitalRead(uint8_t pin)
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{
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if(pin < 32) {
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return (GPIO.in >> pin) & 0x1;
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} else if(pin < 40) {
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} else if(pin < GPIO_PIN_COUNT) {
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return (GPIO.in1.val >> (pin - 32)) & 0x1;
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}
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return 0;
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@ -199,7 +281,7 @@ extern int IRAM_ATTR __digitalRead(uint8_t pin)
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static intr_handle_t gpio_intr_handle = NULL;
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static void IRAM_ATTR __onPinInterrupt()
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static void ARDUINO_ISR_ATTR __onPinInterrupt()
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{
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uint32_t gpio_intr_status_l=0;
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uint32_t gpio_intr_status_h=0;
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@ -247,7 +329,7 @@ extern void __attachInterruptFunctionalArg(uint8_t pin, voidFuncPtrArg userFunc,
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if(!interrupt_initialized) {
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interrupt_initialized = true;
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esp_intr_alloc(ETS_GPIO_INTR_SOURCE, (int)ESP_INTR_FLAG_IRAM, __onPinInterrupt, NULL, &gpio_intr_handle);
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esp_intr_alloc(ETS_GPIO_INTR_SOURCE, (int)ARDUINO_ISR_FLAG, __onPinInterrupt, NULL, &gpio_intr_handle);
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}
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// if new attach without detach remove old info
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@ -260,11 +342,15 @@ extern void __attachInterruptFunctionalArg(uint8_t pin, voidFuncPtrArg userFunc,
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__pinInterruptHandlers[pin].functional = functional;
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esp_intr_disable(gpio_intr_handle);
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#if CONFIG_IDF_TARGET_ESP32
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if(esp_intr_get_cpu(gpio_intr_handle)) { //APP_CPU
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#endif
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GPIO.pin[pin].int_ena = 1;
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#if CONFIG_IDF_TARGET_ESP32
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} else { //PRO_CPU
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GPIO.pin[pin].int_ena = 4;
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}
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#endif
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GPIO.pin[pin].int_type = intr_type;
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esp_intr_enable(gpio_intr_handle);
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}
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