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m---------laks0
-rw-r--r--main.cpp18
2 files changed, 17 insertions, 1 deletions
diff --git a/laks b/laks
-Subproject 0ca572bc7a0fbe26b216cab519d89187ae49a28
+Subproject eaf304f02a234171c2b994138f1bc54338dcd97
diff --git a/main.cpp b/main.cpp
index 4b36241..c80a885 100644
--- a/main.cpp
+++ b/main.cpp
@@ -5,6 +5,12 @@
#include <usb/descriptor.h>
#include <spi/spi.h>
#include <dma/dma.h>
+#include <i2c/i2c.h>
+
+Pin& dac_nreset = PD4;
+
+Pin& i2c_scl = PB6;
+Pin& i2c_sda = PB9;
Pin& i2s_mck = PC7;
Pin& i2s_sck = PC10;
@@ -130,7 +136,7 @@ class USB_Audio : public USB_class_driver {
virtual void handle_set_configuration(uint8_t configuration) {
if(configuration) {
usb.register_out_handler(this, 1);
- usb.hw_conf_ep(0x01, Isochronous, 256);
+ usb.hw_conf_ep(0x01, EPType::Isochronous, 256);
}
}
@@ -166,6 +172,7 @@ int main() {
RCC.enable(RCC.GPIOA);
RCC.enable(RCC.GPIOB);
RCC.enable(RCC.GPIOC);
+ RCC.enable(RCC.GPIOD);
// Initialize I2S.
i2s_mck.set_mode(Pin::AF);
@@ -196,6 +203,15 @@ int main() {
DMA1.reg.S[7].NDTR = audio_buf_size;
DMA1.reg.S[7].CR |= 1;
+ // Initialize I2C.
+ I2C1.enable(i2c_scl, i2c_sda);
+
+ // Configure CS43L22.
+ dac_nreset.set_mode(Pin::Output);
+ dac_nreset.on();
+
+ I2C1.write_reg(0x4a, 0x02, 0x9e);
+
// Initialize USB.
usb_vbus.set_mode(Pin::Input);
usb_dm.set_mode(Pin::AF);