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allow setting internal pull resistors for any mode and enable them for I2C

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This commit is contained in:
me-no-dev
2016-12-14 13:11:10 +02:00
parent c19fc061b0
commit 917a4fd6f0
2 changed files with 12 additions and 9 deletions
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17
cores/esp32/esp32-hal-gpio.c
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@ -103,7 +103,10 @@ extern void IRAM_ATTR __pinMode(uint8_t pin, uint8_t mode)
//unlock rtc
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;
return;
} else if(rtc_reg) {
}
//RTC pins PULL settings
if(rtc_reg) {
//lock rtc
ESP_REG(rtc_reg) = ESP_REG(rtc_reg) & ~(rtc_gpio_desc[pin].mux);
if(mode & PULLUP) {
@ -125,12 +128,6 @@ extern void IRAM_ATTR __pinMode(uint8_t pin, uint8_t mode)
} else {
GPIO.enable1_w1tc.val = ((uint32_t)1 << (pin - 32));
}
if(mode & PULLUP) {
pinFunction |= FUN_PU;
} else if(mode & PULLDOWN) {
pinFunction |= FUN_PD;
}
} else if(mode & OUTPUT) {
if(pin > 33){
//unlock gpio
@ -142,6 +139,12 @@ extern void IRAM_ATTR __pinMode(uint8_t pin, uint8_t mode)
}
}
if(mode & PULLUP) {
pinFunction |= FUN_PU;
} else if(mode & PULLDOWN) {
pinFunction |= FUN_PD;
}
pinFunction |= ((uint32_t)2 << FUN_DRV_S);//what are the drivers?
pinFunction |= FUN_IE;//input enable but required for output as well?