176 lines
3.5 KiB
C
176 lines
3.5 KiB
C
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#include "board.h"
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#include "stm32f10x.h"
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/*
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输入通道对应关系
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PC3|PC2|PC1|PC0|PB9|PB8|PB7|PB6|PB5|PC12
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IN0|IN1|IN2|IN3|IN4|IN5|IN6|IN7|IN8|IN9
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*/
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#define GPIO_Initer() {.GPIO_Speed=GPIO_Speed_50MHz,\
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.GPIO_Mode=GPIO_Mode_IPU,\
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}
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typedef struct{
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const char *name;
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void (*gpio_clock_fun)(uint32_t,FunctionalState);
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uint32_t gpio_rcc;
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GPIO_TypeDef *gpio_base;
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uint16_t gpio_pin;
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volatile uint32_t *bitmap_pin;
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}gpioin_dtb;
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static const gpioin_dtb g_dtb[]={
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{
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.name="gpioin0",
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.gpio_clock_fun=RCC_APB2PeriphClockCmd,
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.gpio_rcc=RCC_APB2Periph_GPIOC,
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.gpio_base=GPIOC,
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.gpio_pin=3,
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.bitmap_pin=&PININ(C,3),
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},
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{
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.name="gpioin1",
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.gpio_clock_fun=RCC_APB2PeriphClockCmd,
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.gpio_rcc=RCC_APB2Periph_GPIOC,
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.gpio_base=GPIOC,
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.gpio_pin=2,
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.bitmap_pin=&PININ(C,2),
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},
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{
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.name="gpioin2",
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.gpio_clock_fun=RCC_APB2PeriphClockCmd,
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.gpio_rcc=RCC_APB2Periph_GPIOC,
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.gpio_base=GPIOC,
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.gpio_pin=1,
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.bitmap_pin=&PININ(C,1),
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},
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{
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.name="gpioin3",
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.gpio_clock_fun=RCC_APB2PeriphClockCmd,
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.gpio_rcc=RCC_APB2Periph_GPIOC,
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.gpio_base=GPIOC,
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.gpio_pin=0,
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.bitmap_pin=&PININ(C,0),
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},
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{
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.name="gpioin4",
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.gpio_clock_fun=RCC_APB2PeriphClockCmd,
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.gpio_rcc=RCC_APB2Periph_GPIOB,
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.gpio_base=GPIOB,
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.gpio_pin=9,
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.bitmap_pin=&PININ(B,9),
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},
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{
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.name="gpioin5",
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.gpio_clock_fun=RCC_APB2PeriphClockCmd,
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.gpio_rcc=RCC_APB2Periph_GPIOB,
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.gpio_base=GPIOB,
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.gpio_pin=8,
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.bitmap_pin=&PININ(B,8),
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},
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{
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.name="gpioin6",
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.gpio_clock_fun=RCC_APB2PeriphClockCmd,
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.gpio_rcc=RCC_APB2Periph_GPIOB,
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.gpio_base=GPIOB,
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.gpio_pin=7,
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.bitmap_pin=&PININ(B,7),
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},
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{
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.name="gpioin7",
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.gpio_clock_fun=RCC_APB2PeriphClockCmd,
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.gpio_rcc=RCC_APB2Periph_GPIOB,
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.gpio_base=GPIOB,
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.gpio_pin=6,
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.bitmap_pin=&PININ(B,6),
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},
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{
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.name="gpioin8",
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.gpio_clock_fun=RCC_APB2PeriphClockCmd,
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.gpio_rcc=RCC_APB2Periph_GPIOB,
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.gpio_base=GPIOB,
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.gpio_pin=5,
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.bitmap_pin=&PININ(B,5),
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},
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{
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.name="gpioin9",
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.gpio_clock_fun=RCC_APB2PeriphClockCmd,
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.gpio_rcc=RCC_APB2Periph_GPIOC,
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.gpio_base=GPIOC,
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.gpio_pin=12,
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.bitmap_pin=&PININ(C,12),
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},
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};
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typedef struct{
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const gpioin_dtb *dtb;
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}self_data;
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static self_data g_self[LENGTH(g_dtb)];
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def_find_fun(gpioin_dtb,g_dtb)
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static int init(gpioin_def *g)
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{
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param_check(g);
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if(g->private_data) return 0;
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GPIO_InitTypeDef init=GPIO_Initer();
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int index;
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const gpioin_dtb *dtb=find(g->name,&index);
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self_data *self=&g_self[index];
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self->dtb=dtb;
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g->private_data=self;
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dtb->gpio_clock_fun(dtb->gpio_rcc,ENABLE);
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init.GPIO_Pin = 1<<dtb->gpio_pin;
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GPIO_Init(dtb->gpio_base, &init);
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return 0;
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}
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static int deinit(gpioin_def *g)
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{
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return 0;
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}
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static int state(gpioin_def *g)
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{
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param_check(g);
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param_check(g->private_data);
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self_data *self=g->private_data;
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// 电路上0为导通，逻辑上1为真，这里反向
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return !(*self->dtb->bitmap_pin);
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}
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gpioin_init_export(gpioin0,init,deinit,state,0)
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gpioin_init_export(gpioin1,init,deinit,state,0)
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gpioin_init_export(gpioin2,init,deinit,state,0)
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gpioin_init_export(gpioin3,init,deinit,state,0)
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gpioin_init_export(gpioin4,init,deinit,state,0)
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gpioin_init_export(gpioin5,init,deinit,state,0)
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gpioin_init_export(gpioin6,init,deinit,state,0)
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gpioin_init_export(gpioin7,init,deinit,state,0)
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gpioin_init_export(gpioin8,init,deinit,state,0)
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gpioin_init_export(gpioin9,init,deinit,state,0)
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