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111 lines
1.8 KiB
111 lines
1.8 KiB
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#include "chip.h"
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdlib.h>
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uint8_t g_port_exit_critical_count;
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// NVIC_EnableIRQ
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// NVIC_GetEnableIRQ
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// NVIC_DisableIRQ
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void chip_critical_enter(void) {
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if (g_port_exit_critical_count == 0) {
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__disable_irq();
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// NVIC_DisableIRQ();
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}
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g_port_exit_critical_count++;
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}
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void chip_critical_exit(void) {
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g_port_exit_critical_count--;
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if (g_port_exit_critical_count == 0) {
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// NVIC_EnableIRQ();
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__enable_irq();
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}
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}
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GPIO_TypeDef* chip_get_gpio(Pin_t pin) {
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int port = pin >> 4;
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switch (port) {
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case 1:
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#ifdef GPIOA
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return GPIOA;
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#endif
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break;
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case 2:
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#ifdef GPIOB
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return GPIOB;
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#endif
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break;
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case 3:
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#ifdef GPIOC
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return GPIOC;
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#endif
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break;
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case 4:
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#ifdef GPIOD
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return GPIOD;
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#endif
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break;
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case 5:
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#ifdef GPIOE
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return GPIOE;
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#endif
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break;
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case 6:
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#ifdef GPIOF
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return GPIOF;
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#endif
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break;
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case 7:
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#ifdef GPIOG
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return GPIOG;
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#endif
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break;
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default:
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break;
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}
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return NULL;
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}
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uint16_t chip_get_pinoff(Pin_t pin) {
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uint16_t pinoff = pin & 0x0F;
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switch (pinoff) {
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case 0:
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return GPIO_PIN_0;
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case 1:
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return GPIO_PIN_1;
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case 2:
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return GPIO_PIN_2;
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case 3:
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return GPIO_PIN_3;
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case 4:
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return GPIO_PIN_4;
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case 5:
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return GPIO_PIN_5;
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case 6:
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return GPIO_PIN_6;
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case 7:
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return GPIO_PIN_7;
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case 8:
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return GPIO_PIN_8;
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case 9:
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return GPIO_PIN_9;
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case 10:
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return GPIO_PIN_10;
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case 11:
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return GPIO_PIN_11;
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case 12:
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return GPIO_PIN_12;
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case 13:
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return GPIO_PIN_13;
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case 14:
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return GPIO_PIN_14;
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case 15:
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return GPIO_PIN_15;
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default:
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break;
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};
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return 0;
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}
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