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128 lines
2.0 KiB
128 lines
2.0 KiB
#include "pin.h"
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#define MODER_IN 0x0UL
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#define MODER_OUT 0x1UL
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#define MODER_ALTERNATE 0x2UL
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#define MODER_ANALOG 0x3UL
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#define OSPEEDR_LOW 0x0UL
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#define OSPEEDR_MEDIUM 0x1UL
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#define OSPEEDR_HIGH 0x3UL
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#define PUPDR_NO_PULL 0x0UL
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#define PUPDR_PULL_UP 0x1UL
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#define PUPDR_PULL_DOWN 0x2UL
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#define PIN_BASE ((GPIO_TypeDef *)(pinNo&~0xFF))
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const uint32_t moderMode[5] = {
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MODER_ANALOG,
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MODER_IN,
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MODER_OUT,
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MODER_ANALOG,
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MODER_ALTERNATE
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};
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const uint32_t pinPort[3] = {
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RCC_AHBENR_GPIOAEN,
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RCC_AHBENR_GPIOBEN,
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RCC_AHBENR_GPIOFEN
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};
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const uint32_t pinPullUpDown[3] = {
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PUPDR_NO_PULL,
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PUPDR_PULL_UP,
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PUPDR_PULL_DOWN
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};
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const uint32_t speedList[4] = {
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0,
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0,
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1,
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3
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};
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const uint32_t outputStateList[3] =
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{
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1,
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0,
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1
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};
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void setMode(pinNo_t pinNo, mode mode)
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{
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init(pinNo);
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//Clear entry.
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PIN_BASE->MODER &=~ (0x3 << ((pinNo & 0x0F) * 2));
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//Set to corresponding mode.
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PIN_BASE->MODER |= (moderMode[mode] << ((pinNo & 0x0F) * 2));
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}
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void setOutputState(pinNo_t pinNo, state state)
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{
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PIN_BASE->OSPEEDR &= 1 << (pinNo & 0x0F);
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PIN_BASE->OSPEEDR |= (outputStateList[state] << (pinNo & 0x0F));
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}
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void setPullUpDonw(pinNo_t pinNo, pullUpDown resistance)
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{
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PIN_BASE->PUPDR &= ~(0x3 << ((pinNo & 0x0F) * 2));
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PIN_BASE->PUPDR |= (pinPullUpDown[resistance] << ((pinNo & 0x0F) * 2));
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}
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void setSpeed(pinNo_t pinNo, speed speed)
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{
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PIN_BASE->OSPEEDR &= (0x3 << ((pinNo & 0x0F) * 2));
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PIN_BASE->OSPEEDR |= (speedList[speed] << ((pinNo & 0x0F) * 2));
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}
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void config(pinNo_t pinNo, mode mode, state state, pullUpDown resistance, speed speed)
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{
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}
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uint8_t get(pinNo_t pinNo)
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{
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}
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void toggle(pinNo_t pinNo)
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{
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}
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void set(pinNo_t pinNo, uint8_t state)
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{
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if(state) {
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PIN_BASE->BSRR |= (GPIO_BSRR_BS_0 << ((pinNo & 0xF)));
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return;
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}
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PIN_BASE->BSRR |= (GPIO_BSRR_BR_0 << ((pinNo & 0xF)));
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}
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//Enable the pin port's clock
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void init(pinNo_t pinNo)
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{
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RCC->AHBENR |= pinPort[((pinNo & 0xF0)>>4)];
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}
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void deInit(pinNo_t pinNo)
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{
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}
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void hardwareInfo(pinNo_t pinNo)
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{
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}
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void throwError()
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{
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}
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