arduino/esp8266
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add back pull-down support

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This commit is contained in:
Markus Sattler 2015-05-01 14:46:08 +02:00
parent 0a712e78c7
commit d4e6561b52
2 changed files with 10 additions and 4 deletions
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10
cores/esp8266/core_esp8266_wiring_digital.c
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@ -59,12 +59,16 @@ extern void __pinMode(uint8_t pin, uint8_t mode) {
GPF(pin) = GPFFS(GPFFS_GPIO(pin));//Set mode to GPIO GPF(pin) = GPFFS(GPFFS_GPIO(pin));//Set mode to GPIO
GPC(pin) = (GPC(pin) & (0xF << GPCI)); //SOURCE(GPIO) | DRIVER(NORMAL) | INT_TYPE(UNCHANGED) | WAKEUP_ENABLE(DISABLED) GPC(pin) = (GPC(pin) & (0xF << GPCI)); //SOURCE(GPIO) | DRIVER(NORMAL) | INT_TYPE(UNCHANGED) | WAKEUP_ENABLE(DISABLED)
GPES = (1 << pin); //Enable GPES = (1 << pin); //Enable
} else if(mode == INPUT || mode == INPUT_PULLUP){ } else if(mode == INPUT || mode == INPUT_PULLUP || mode == INPUT_PULLDOWN){
GPF(pin) = GPFFS(GPFFS_GPIO(pin));//Set mode to GPIO GPF(pin) = GPFFS(GPFFS_GPIO(pin));//Set mode to GPIO
GPC(pin) = (GPC(pin) & (0xF << GPCI)) | (1 << GPCD); //SOURCE(GPIO) | DRIVER(OPEN_DRAIN) | INT_TYPE(UNCHANGED) | WAKEUP_ENABLE(DISABLED) GPC(pin) = (GPC(pin) & (0xF << GPCI)) | (1 << GPCD); //SOURCE(GPIO) | DRIVER(OPEN_DRAIN) | INT_TYPE(UNCHANGED) | WAKEUP_ENABLE(DISABLED)
GPEC = (1 << pin); //Disable GPEC = (1 << pin); //Disable
if(mode == INPUT_PULLUP){ if(mode == INPUT_PULLUP) {
GPF(pin) |= (1 << GPFPU);//Enable Pullup GPF(pin) &= ~(1 << GPFPD); // Disable Pulldown
GPF(pin) |= (1 << GPFPU); // Enable Pullup
} else if(mode == INPUT_PULLDOWN) {
GPF(pin) &= ~(1 << GPFPU); // Disable Pullup
GPF(pin) |= (1 << GPFPD); // Enable Pulldown
} }
} }
} else if(pin == 16){ } else if(pin == 16){

2
cores/esp8266/esp8266_peri.h
View File

@ -93,9 +93,11 @@ static uint8_t esp8266_gpioToFn[16] = {0x34, 0x18, 0x38, 0x14, 0x3C, 0x40, 0x1C,
//GPIO (0-15) PIN Function Bits //GPIO (0-15) PIN Function Bits
#define GPFSOE 0 //Sleep OE #define GPFSOE 0 //Sleep OE
#define GPFSS 1 //Sleep Sel #define GPFSS 1 //Sleep Sel
#define GPFSPD 2 //Sleep Pulldown
#define GPFSPU 3 //Sleep Pullup #define GPFSPU 3 //Sleep Pullup
#define GPFFS0 4 //Function Select bit 0 #define GPFFS0 4 //Function Select bit 0
#define GPFFS1 5 //Function Select bit 1 #define GPFFS1 5 //Function Select bit 1
#define GPFPD 6 //Pulldown
#define GPFPU 7 //Pullup #define GPFPU 7 //Pullup
#define GPFFS2 8 //Function Select bit 2 #define GPFFS2 8 //Function Select bit 2
#define GPFFS(f) (((((f) & 4) != 0) << GPFFS2) | ((((f) & 2) != 0) << GPFFS1) | ((((f) & 1) != 0) << GPFFS0)) #define GPFFS(f) (((((f) & 4) != 0) << GPFFS2) | ((((f) & 2) != 0) << GPFFS1) | ((((f) & 1) != 0) << GPFFS0))