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-rw-r--r--src/rp2040/gpio.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/rp2040/gpio.h b/src/rp2040/gpio.h
index 5f6a836a..90680c6e 100644
--- a/src/rp2040/gpio.h
+++ b/src/rp2040/gpio.h
@@ -35,4 +35,13 @@ uint32_t gpio_adc_sample(struct gpio_adc g);
uint16_t gpio_adc_read(struct gpio_adc g);
void gpio_adc_cancel_sample(struct gpio_adc g);
+struct spi_config {
+ void *spi;
+ uint32_t cr0, cpsr;
+};
+struct spi_config spi_setup(uint32_t bus, uint8_t mode, uint32_t rate);
+void spi_prepare(struct spi_config config);
+void spi_transfer(struct spi_config config, uint8_t receive_data
+ , uint8_t len, uint8_t *data);
+
#endif // gpio.h