63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
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#ifndef __HC32F460_GPIO_H
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#define __HC32F460_GPIO_H
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#include <stdint.h> // uint32_t
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struct gpio_out {
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uint32_t portAddress; // M4_PORT or offset
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uint16_t gpio; // the mangled pin+port
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uint16_t bitMask; // the pin shifted to use in register
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};
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struct gpio_out gpio_out_setup(uint32_t gpio, uint32_t val);
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void gpio_out_reset(struct gpio_out g, uint32_t val);
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void gpio_out_toggle_noirq(struct gpio_out g);
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void gpio_out_toggle(struct gpio_out g);
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void gpio_out_write(struct gpio_out g, uint32_t val);
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struct gpio_in {
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uint32_t portAddress;
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uint16_t gpio;
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uint16_t bitMask;
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};
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struct gpio_in gpio_in_setup(uint32_t gpio, int32_t pull_up);
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void gpio_in_reset(struct gpio_in g, int32_t pull_up);
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uint8_t gpio_in_read(struct gpio_in g);
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struct gpio_pwm {
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void *timer;
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uint32_t chan;
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};
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struct gpio_pwm gpio_pwm_setup(uint8_t gpio, uint32_t cycle_time, uint8_t val);
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void gpio_pwm_write(struct gpio_pwm g, uint32_t val);
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// all ADC operations will be on ADC1
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struct gpio_adc {
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uint32_t chan;
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};
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struct gpio_adc gpio_adc_setup(uint32_t gpio);
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uint32_t gpio_adc_sample(struct gpio_adc g);
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uint16_t gpio_adc_read(struct gpio_adc g);
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void gpio_adc_cancel_sample(struct gpio_adc g);
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struct spi_config {
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void *spi;
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uint32_t spi_cr1;
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};
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struct spi_config spi_setup(uint32_t bus, uint8_t mode, uint32_t rate);
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void spi_prepare(struct spi_config config);
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void spi_transfer(struct spi_config config, uint8_t receive_data
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, uint8_t len, uint8_t *data);
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struct i2c_config {
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void *i2c;
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uint8_t addr;
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};
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struct i2c_config i2c_setup(uint32_t bus, uint32_t rate, uint8_t addr);
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void i2c_write(struct i2c_config config, uint8_t write_len, uint8_t *write);
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void i2c_read(struct i2c_config config, uint8_t reg_len, uint8_t *reg
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, uint8_t read_len, uint8_t *read);
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#endif // gpio.h
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