/* mbed Microcontroller Library * Copyright (c) 2015 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* * SSP interface Support * ===================== */ #ifndef MBED_SPI_DEF_H #define MBED_SPI_DEF_H #include /* standard types definitions */ #define Module_ID 0x00090108 typedef struct beetle_spi { __IO uint32_t CONFIG; /* 0x00 RW Configuration Register */ __I uint32_t IRQ_STATUS; /* 0x04 RO Interrupt Status Register*/ __O uint32_t IRQ_ENABLE; /* 0x08 WO Interrupt Enable Register*/ __O uint32_t IRQ_DISABLE; /* 0x0C WO Interrupt Disable Register */ __I uint32_t IRQ_MASK; /* 0x10 RO Interrupt Mask Register */ __IO uint32_t SPI_ENABLE; /* 0x14 RW SPI Enable Register */ __IO uint32_t DELAY; /* 0x18 RW Delay Register */ __O uint32_t TX_DATA; /* 0x1C WO Transmit Data Register */ __I uint32_t RX_DATA; /* 0x20 RO Receive Data Register */ __IO uint32_t SLAVE_IDLE_COUNT; /* 0x24 RW Slave Idle Count Register */ __IO uint32_t TX_THRESHOLD; /* 0x28 RW TX Threshold Register */ __IO uint32_t RX_THRESHOLD; /* 0x2C RW RX Threshold Register */ uint32_t reserved[208]; __I uint32_t MID; /* 0xFC RO Module ID Register */ }SPI_TypeDef; #define SPI0_BASE (0x4000C000ul) /* Shield Header SPI Base Address */ #define SPI1_BASE (0x4000D000ul) /* ADC SPI Base Address */ #define SHIELD_SPI ((SPI_TypeDef *) SPI0_BASE ) #define ADC_SPI ((SPI_TypeDef *) SPI1_BASE ) /* Configuration Register Bit Masks */ #define CONFIG_MSEL 0x00001 // Bit [00] MSEL Mode Select #define CONFIG_CPOL 0x00002 // Bit [01] CPOL External Clock Edge #define CONFIG_CPHA 0x00004 // Bit [02] CPHA Clock Phase #define CONFIG_MBRD 0x00038 // Bits [05:03] MBRD Master Baud Rate Divisor (2 to 256) #define CONFIG_MBRD_0 0x00008 #define CONFIG_MBRD_1 0x00010 #define CONFIG_MBRD_2 0x00020 #define CONFIG_MBRD_SHIFT 3 #define CONFIG_TWS 0x000C0 // Bits [07:06] TWS Transfer Word Size #define CONFIG_TWS_0 0x00000 #define CONFIG_TWS_1 0x00040 #define CONFIG_MRCS 0x00100 // Bit [08] MRCS Reference Clock Select #define CONFIG_PSD 0x00200 // Bit [09] PSD Peripheral Select Decode #define CONFIG_PCSL 0x03C00 // Bits [13:10] PCSL Peripheral Chip Select Lines (master mode only) #define CONFIG_MCSE 0x04000 // Bit [14] MCSE Manual Chip Select Enable #define CONFIG_MSE 0x08000 // Bit [15] MSE Manual Start Enable #define CONFIG_MSC 0x10000 // Bit [16] MSC Manual Start Command #define CONFIG_MFGE 0x20000 // Bit [17] MFGE Mode Fail Generation Enable #define CONFIG_SPSE 0x40000 // Bit [18] SPSE Sample Point Shift Enable /* Interrupt Status Register Bit Masks */ #define IRQ_STATUS_ROF 0x01 // Bit [00] ROF RX FIFO Overflow #define IRQ_STATUS_MF 0x02 // Bit [01] MF Mode Fail #define IRQ_STATUS_TNF 0x04 // Bit [02] TNF TX FIFO Not Full (current FIFO status) #define IRQ_STATUS_TF 0x08 // Bit [03] TF TX FIFO Full (current FIFO status) #define IRQ_STATUS_RNE 0x10 // Bit [04] RNE RX FIFO Not Empty (current FIFO status) #define IRQ_STATUS_RF 0x20 // Bit [05] RF RX FIFO Full (current FIFO status) #define IRQ_STATUS_TUF 0x40 // Bit [06] TUF TX FIFO Underflow /* Interrupt Enable Register Bit Masks */ #define IRQ_ENABLE_ROFE 0x01 // Bit [00] ROFE RX FIFO Overflow Enable #define IRQ_ENABLE_MFE 0x02 // Bit [01] MFE Mode Fail Enable #define IRQ_ENABLE_TNFE 0x04 // Bit [02] TNFE TX FIFO Not Full Enable #define IRQ_ENABLE_TFE 0x08 // Bit [03] TFE TX FIFO Full Enable #define IRQ_ENABLE_RNEE 0x10 // Bit [04] RNEE RX FIFO Not Empty Enable #define IRQ_ENABLE_RFE 0x20 // Bit [05] RFE RX FIFO Full Enable #define IRQ_ENABLE_TUFE 0x40 // Bit [06] TUFE TX FIFO Underflow Enable /* Interrupt Disable Register Bit Masks */ #define IRQ_DISABLE_ROFD 0x01 // Bit [00] ROFD RX FIFO Overflow Disable #define IRQ_DISABLE_MFD 0x02 // Bit [01] MFD Mode Fail Disable #define IRQ_DISABLE_TNFD 0x04 // Bit [02] TNFD TX FIFO Not Full Disable #define IRQ_DISABLE_TFD 0x08 // Bit [03] TFD TX FIFO Full Disable #define IRQ_DISABLE_RNED 0x10 // Bit [04] RNED RX FIFO Not Empty Disable #define IRQ_DISABLE_RFD 0x20 // Bit [05] RFD RX FIFO Full Disable #define IRQ_DISABLE_TUFD 0x40 // Bit [06] TUFD TX FIFO Underflow Disable /* Interrupt Mask Register Bit Masks */ #define IRQ_MASK_ROFM 0x01 // Bit [00] ROFM RX FIFO Overflow Mask #define IRQ_MASK_MFM 0x02 // Bit [01] MFM Mode Fail Mask #define IRQ_MASK_TNFM 0x04 // Bit [02] TNFM TX FIFO Not Full Mask #define IRQ_MASK_TFM 0x08 // Bit [03] TFM TX FIFO Full Mask #define IRQ_MASK_RNEM 0x10 // Bit [04] RNEM RX FIFO Not Empty Mask #define IRQ_MASK_RFM 0x20 // Bit [05] RFM RX FIFO Full Mask #define IRQ_MASK_TUFM 0x40 // Bit [06] TUFM TX FIFO Underflow Mask /* SPI Enable Register Bit Masks */ #define SPI_ENABLE_SPIE 0x01 // Bit [00] SPIE SPI Enable /* Delay Register Bit Masks */ #define DELAY_D_INIT 0x000000FF // Bits [07:00] D_INIT Delay Init #define DELAY_D_AFTER 0x0000FF00 // Bits [15:08] D_AFTER Delay After #define DELAY_D_BTWN 0x00FF0000 // Bits [23:16] D_BTWN Delay Between #define DELAY_D_NSS 0xFF000000 // Bits [31:24] D_NSS Delay NSS /* Transmit Data Register Bit Masks */ #define TX_DATA_TDATA 0xFF /* Receive Data Register Bit Masks */ #define RX_DATA_RDATA 0xFF /* Slave Idle Count Register Bit Masks */ #define SLAVE_IDLE_COUNT_SICNT 0xFF // Bits [07:00] SICNT Slave Idle Count /* TX Threshold Register Bit Masks */ #define TX_THRESHOLD_TTRSH 0x07 // Bits [N:00] TTRSH TX Threshold /* RX Threshold Register Bit Masks */ #define RX_THRESHOLD_RTRSH 0x07 // Bits [N:00] RTRSH RX Threshold #endif