hm
fc10ef2e10
GD32F470ZGT6 based project with full peripheral support: - SDRAM (W9825G6KH) via EXMC - LCD NT35510 (480x800) via EXMC NOR/PSRAM - Flash (W25Q64) via SPI - UART (USART0) debug console - LED indicators - CMSIS-DAP debug interface - CMake + ARM GCC toolchain build system
67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
#ifndef __C_API_H__
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#define __C_API_H__
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* ========== GPIO C API ========== */
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#define GPIO_MODE_INPUT 0
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#define GPIO_MODE_OUTPUT 1
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#define GPIO_MODE_AF 2
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#define GPIO_MODE_ANALOG 3
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#define GPIO_PUPD_NONE 0
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#define GPIO_PUPD_PULLUP 1
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#define GPIO_PUPD_PULLDOWN 2
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#define GPIO_PORT_A 0
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#define GPIO_PORT_B 1
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#define GPIO_PORT_C 2
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#define GPIO_PORT_D 3
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#define GPIO_PORT_E 4
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#define GPIO_PORT_F 5
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#define GPIO_PORT_G 6
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#define GPIO_PORT_H 7
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#define GPIO_PORT_I 8
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int gpio_init(uint8_t port, uint32_t pin, uint8_t mode, uint8_t pupd);
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int gpio_set(uint8_t port, uint32_t pin);
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int gpio_reset(uint8_t port, uint32_t pin);
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int gpio_toggle(uint8_t port, uint32_t pin);
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uint8_t gpio_read(uint8_t port, uint32_t pin);
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/* ========== UART C API ========== */
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int uart_init(uint8_t port, uint32_t baudrate);
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int uart_send_byte(uint8_t port, uint8_t data);
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int uart_send_data(uint8_t port, const uint8_t *data, uint32_t len);
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int uart_receive_byte(uint8_t port, uint8_t *data, uint32_t timeout_ms);
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/* ========== I2C C API ========== */
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int i2c_init(uint8_t port, uint32_t speed_hz);
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int i2c_master_write(uint8_t port, uint16_t dev_addr, const uint8_t *data, uint32_t len);
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int i2c_master_read(uint8_t port, uint16_t dev_addr, uint8_t *data, uint32_t len);
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int i2c_master_write_read(uint8_t port, uint16_t dev_addr, const uint8_t *wdata, uint32_t wlen, uint8_t *rdata, uint32_t rlen);
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/* ========== SPI C API ========== */
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int spi_bus_init(uint8_t port, uint32_t speed_hz, uint8_t mode);
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int spi_transfer(uint8_t port, uint32_t cs_port, uint32_t cs_pin, const uint8_t *tx, uint8_t *rx, uint32_t len);
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/* ========== ADC C API ========== */
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int adc_init(uint8_t port, uint32_t resolution);
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uint16_t adc_read(uint8_t port, uint8_t channel);
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float adc_read_voltage(uint8_t port, uint8_t channel);
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/* ========== Timer C API ========== */
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int timer_bus_init(uint8_t port, uint32_t prescaler, uint32_t period);
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int timer_start(uint8_t port);
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int timer_stop(uint8_t port);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __C_API_H__ */
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