Add new LTC2400 library

1 files changed, 74 insertions, 0 deletions

diff --git a/sw/pins.h b/sw/pins.h
new file mode 100644
index 0000000..6dc75bc
--- /dev/null
+++ b/sw/pins.h
@@ -0,0 +1,74 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Matthias P. Braendli
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+*/
+
+#pragma once
+
+#include <stdlib.h>
+#include <stdint.h>
+
+// Definitions allocation pin
+#define PIN(x) (1 << x)
+
+/* All relay signals PINx_Kx have external pulldown.
+ * All pins whose name ends in 'n' are active low */
+
+// For arduino pin numbers (not used in this file), see
+// lib/pins_arduino.h
+
+// PORT B
+constexpr uint8_t PINB_STATUSn = PIN(0);
+// Pins 2,3,4,5 = SPI
+constexpr uint8_t PINB_SPI_LTC_CSn = PIN(2); // with external pullup
+constexpr uint8_t PINB_SPI_MOSI = PIN(3);
+constexpr uint8_t PINB_SPI_MISO = PIN(4);
+constexpr uint8_t PINB_SPI_SCK = PIN(5);
+
+constexpr uint8_t PINB_OUTPUTS =
+    PINB_STATUSn | PINB_SPI_SCK | PINB_SPI_MOSI | PINB_SPI_LTC_CSn;
+
+// PORT C
+constexpr uint8_t PINC_ADC0 = PIN(0);
+constexpr uint8_t PINC_ADC1 = PIN(1);
+constexpr uint8_t PINC_K3_RESET = PIN(2);
+constexpr uint8_t PINC_K3_SET = PIN(3);
+constexpr uint8_t PINC_K2_RESET = PIN(4);
+constexpr uint8_t PINC_K2_SET = PIN(5);
+
+constexpr uint8_t PINC_OUTPUTS =
+    PINC_K3_RESET | PINC_K3_SET |
+    PINC_K2_RESET | PINC_K2_SET;
+
+// PORT D
+// Pins 0,1 = UART RX,TX
+constexpr uint8_t PIND_UART_RX = PIN(0);
+constexpr uint8_t PIND_UART_TX = PIN(1);
+
+constexpr uint8_t PIND_ONEWIRE = PIN(4); // with exteral pullup
+
+constexpr uint8_t PIND_K1_RESET = PIN(5);
+constexpr uint8_t PIND_K1_SET = PIN(6);
+
+constexpr uint8_t PIND_OUTPUTS =
+    PIND_UART_TX |
+    PIND_K1_RESET | PIND_K1_SET;