Fix CDONE pin polling rate

badgeteam · Aug 15, 2022 · 12051d9 · 12051d9
1 parent 4084d37
commit 12051d9
Show file tree

Hide file tree

Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/i2c_peripheral.c b/i2c_peripheral.c
@@ -324,6 +324,13 @@ void i2c_task() {
             if (input2_value != i2c_registers.registers[I2C_REGISTER_INPUT2]) interrupt_target = true;
             i2c_registers.registers[I2C_REGISTER_INTERRUPT2] |= (input2_value ^ i2c_registers.registers[I2C_REGISTER_INPUT2]);
             i2c_registers.registers[I2C_REGISTER_INPUT2] = input2_value;
+        } else {
+            // The CDONE pin is part of the input register but should not be polled slowly, so if we're not polling the other buttons just read the FPGA cdone pin and update the register
+            if (!gpio_get(FPGA_CDONE)) {
+                i2c_registers.registers[I2C_REGISTER_INPUT1] |= 1 << 5;
+            } else {
+                i2c_registers.registers[I2C_REGISTER_INPUT1] &= ~(1 << 5);
+            }
         }
 
 #ifdef NDEBUG

diff --git a/version.h b/version.h
@@ -1,3 +1,3 @@
 #pragma once
 
-#define FW_VERSION 0x0B
+#define FW_VERSION 0x0C