I2C register definitions

2012-05-29 12:14:27 -06:00 · 2012-05-29 12:14:27 -06:00 · 40572e7541
commit 40572e7541
parent 328cf2a2b7
1 changed files with 85 additions and 0 deletions
--- a/include/libopencm3/lpc43xx/ssp.h
+++ b/include/libopencm3/lpc43xx/ssp.h
@ -0,0 +1,85 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2012 Michael Ossmann <mike@ossmann.com>
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LPC43XX_SSP_H
+#define LPC43XX_SSP_H
+
+#include <libopencm3/cm3/common.h>
+#include <libopencm3/lpc43xx/memorymap.h>
+
+/* --- Convenience macros -------------------------------------------------- */
+
+/* SSP port base addresses (for convenience) */
+#define SSP0                            SSP0_BASE
+#define SSP1                            SSP1_BASE
+
+
+/* --- SSP registers ------------------------------------------------------- */
+
+/* Control Register 0 */
+#define SSP_CR0(port)                   MMIO32(port + 0x000)
+#define SSP0_CR0                        SSP_CR0(SSP0)
+#define SSP1_CR0                        SSP_CR0(SSP1)
+
+/* Control Register 1 */
+#define SSP_CR1(port)                   MMIO32(port + 0x004)
+#define SSP0_CR1                        SSP_CR1(SSP0)
+#define SSP1_CR1                        SSP_CR1(SSP1)
+
+/* Data Register */
+#define SSP_DR(port)                    MMIO32(port + 0x008)
+#define SSP0_DR                         SSP_DR(SSP0)
+#define SSP1_DR                         SSP_DR(SSP1)
+
+/* Status Register */
+#define SSP_SR(port)                    MMIO32(port + 0x00C)
+#define SSP0_SR                         SSP_SR(SSP0)
+#define SSP1_SR                         SSP_SR(SSP1)
+
+/* Clock Prescale Register */
+#define SSP_CPSR(port)                  MMIO32(port + 0x010)
+#define SSP0_CPSR                       SSP_CPSR(SSP0)
+#define SSP1_CPSR                       SSP_CPSR(SSP1)
+
+/* Interrupt Mask Set and Clear Register */
+#define SSP_IMSC(port)                  MMIO32(port + 0x014)
+#define SSP0_IMSC                       SSP_IMSC(SSP0)
+#define SSP1_IMSC                       SSP_IMSC(SSP1)
+
+/* Raw Interrupt Status Register */
+#define SSP_RIS(port)                   MMIO32(port + 0x018)
+#define SSP0_RIS                        SSP_RIS(SSP0)
+#define SSP1_RIS                        SSP_RIS(SSP1)
+
+/* Masked Interrupt Status Register */
+#define SSP_MIS(port)                   MMIO32(port + 0x01C)
+#define SSP0_MIS                        SSP_MIS(SSP0)
+#define SSP1_MIS                        SSP_MIS(SSP1)
+
+/* SSPICR Interrupt Clear Register */
+#define SSP_ICR(port)                   MMIO32(port + 0x020)
+#define SSP0_ICR                        SSP_ICR(SSP0)
+#define SSP1_ICR                        SSP_ICR(SSP1)
+
+/* SSP1 DMA control register */
+#define SSP_DMACR(port)                 MMIO32(port + 0x024)
+#define SSP0_DMACR                      SSP_DMACR(SSP0)
+#define SSP1_DMACR                      SSP_DMACR(SSP1)
+
+#endif