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Diff: TARGET_ARM_MPS2_M4/TOOLCHAIN_ARM_STD/spi_def.h
- Revision:
- 171:3a7713b1edbc
- Parent:
- 102:da0ca467f8b5
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TARGET_ARM_MPS2_M4/TOOLCHAIN_ARM_STD/spi_def.h Thu Nov 08 11:45:42 2018 +0000 @@ -0,0 +1,174 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2015 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. + * ---------------------------------------------------------------- + * File: apspi.h + * Release: Version 2.0 + * ---------------------------------------------------------------- + * + * SSP interface Support + * ===================== + */ + +#define SSPCS_BASE (0x4002804C) // SSP chip select register +#define SSP_BASE (0x40020000) // SSP Prime Cell + +#define SSPCR0 ((volatile unsigned int *)(SSP_BASE + 0x00)) +#define SSPCR1 ((volatile unsigned int *)(SSP_BASE + 0x04)) +#define SSPDR ((volatile unsigned int *)(SSP_BASE + 0x08)) +#define SSPSR ((volatile unsigned int *)(SSP_BASE + 0x0C)) +#define SSPCPSR ((volatile unsigned int *)(SSP_BASE + 0x10)) +#define SSPIMSC ((volatile unsigned int *)(SSP_BASE + 0x14)) +#define SSPRIS ((volatile unsigned int *)(SSP_BASE + 0x18)) +#define SSPMIS ((volatile unsigned int *)(SSP_BASE + 0x1C)) +#define SSPICR ((volatile unsigned int *)(SSP_BASE + 0x20)) +#define SSPDMACR ((volatile unsigned int *)(SSP_BASE + 0x24)) +#define SSPCS ((volatile unsigned int *)(SSPCS_BASE)) + +// SSPCR0 Control register 0 +#define SSPCR0_SCR_DFLT 0x0300 // Serial Clock Rate (divide), default set at 3 +#define SSPCR0_SPH 0x0080 // SSPCLKOUT phase +#define SSPCR0_SPO 0x0040 // SSPCLKOUT polarity +#define SSPCR0_FRF_MOT 0x0000 // Frame format, Motorola +#define SSPCR0_DSS_8 0x0007 // Data packet size, 8bits +#define SSPCR0_DSS_16 0x000F // Data packet size, 16bits + +// SSPCR1 Control register 1 +#define SSPCR1_SOD 0x0008 // Slave Output mode Disable +#define SSPCR1_MS 0x0004 // Master or Slave mode +#define SSPCR1_SSE 0x0002 // Serial port enable +#define SSPCR1_LBM 0x0001 // Loop Back Mode + +// SSPSR Status register +#define SSPSR_BSY 0x0010 // Busy +#define SSPSR_RFF 0x0008 // Receive FIFO full +#define SSPSR_RNE 0x0004 // Receive FIFO not empty +#define SSPSR_TNF 0x0002 // Transmit FIFO not full +#define SSPSR_TFE 0x0001 // Transmit FIFO empty + +// SSPCPSR Clock prescale register +#define SSPCPSR_DFLT 0x0008 // Clock prescale (use with SCR), default set at 8 + +// SSPIMSC Interrupt mask set and clear register +#define SSPIMSC_TXIM 0x0008 // Transmit FIFO not Masked +#define SSPIMSC_RXIM 0x0004 // Receive FIFO not Masked +#define SSPIMSC_RTIM 0x0002 // Receive timeout not Masked +#define SSPIMSC_RORIM 0x0001 // Receive overrun not Masked + +// SSPRIS Raw interrupt status register +#define SSPRIS_TXRIS 0x0008 // Raw Transmit interrupt flag +#define SSPRIS_RXRIS 0x0004 // Raw Receive interrupt flag +#define SSPRIS_RTRIS 0x0002 // Raw Timemout interrupt flag +#define SSPRIS_RORRIS 0x0001 // Raw Overrun interrupt flag + +// SSPMIS Masked interrupt status register +#define SSPMIS_TXMIS 0x0008 // Masked Transmit interrupt flag +#define SSPMIS_RXMIS 0x0004 // Masked Receive interrupt flag +#define SSPMIS_RTMIS 0x0002 // Masked Timemout interrupt flag +#define SSPMIS_RORMIS 0x0001 // Masked Overrun interrupt flag + +// SSPICR Interrupt clear register +#define SSPICR_RTIC 0x0002 // Clears Timeout interrupt flag +#define SSPICR_RORIC 0x0001 // Clears Overrun interrupt flag + +// SSPDMACR DMA control register +#define SSPDMACR_TXDMAE 0x0002 // Enable Transmit FIFO DMA +#define SSPDMACR_RXDMAE 0x0001 // Enable Receive FIFO DMA + +// SPICS register (0=Chip Select low) +#define SSPCS_nCS1 0x0002 // nCS1 (SPI_nSS) + +// SPI defaults +#define SSPMAXTIME 1000 // Maximum time to wait for SSP (10*10uS) + +// EEPROM instruction set +#define EEWRSR 0x0001 // Write status +#define EEWRITE 0x0002 // Write data +#define EEREAD 0x0003 // Read data +#define EEWDI 0x0004 // Write disable +#define EEWREN 0x0006 // Write enable +#define EERDSR 0x0005 // Read status + +// EEPROM status register flags +#define EERDSR_WIP 0x0001 // Write in process +#define EERDSR_WEL 0x0002 // Write enable latch +#define EERDSR_BP0 0x0004 // Block protect 0 +#define EERDSR_BP1 0x0008 // Block protect 1 +#define EERDSR_WPEN 0x0080 // Write protect enable + + /* ---------------------------------------------------------------- + * + * Color LCD Support + * ================= + */ + +// Color LCD Controller Internal Register addresses +#define LSSPCS_BASE (0x4002804C) // LSSP chip select register +#define LSSP_BASE (0x40021000) // LSSP Prime Cell + +#define LSSPCR0 ((volatile unsigned int *)(LSSP_BASE + 0x00)) +#define LSSPCR1 ((volatile unsigned int *)(LSSP_BASE + 0x04)) +#define LSSPDR ((volatile unsigned int *)(LSSP_BASE + 0x08)) +#define LSSPSR ((volatile unsigned int *)(LSSP_BASE + 0x0C)) +#define LSSPCPSR ((volatile unsigned int *)(LSSP_BASE + 0x10)) +#define LSSPIMSC ((volatile unsigned int *)(LSSP_BASE + 0x14)) +#define LSSPRIS ((volatile unsigned int *)(LSSP_BASE + 0x18)) +#define LSSPMIS ((volatile unsigned int *)(LSSP_BASE + 0x1C)) +#define LSSPICR ((volatile unsigned int *)(LSSP_BASE + 0x20)) +#define LSSPDMACR ((volatile unsigned int *)(LSSP_BASE + 0x24)) +#define LSSPCS ((volatile unsigned int *)(LSSPCS_BASE)) + +// LSSPCR0 Control register 0 +#define LSSPCR0_SCR_DFLT 0x0100 // Serial Clock Rate (divide), CLK/(CPSR*(1+SCR)) +#define LSSPCR0_SPH 0x0080 // LSSPCLKOUT phase +#define LSSPCR0_SPO 0x0040 // LSSPCLKOUT polarity +#define LSSPCR0_FRF_MOT 0x0000 // Frame format, Motorola +#define LSSPCR0_DSS_8 0x0007 // Data packet size, 8bits +#define LSSPCR0_DSS_16 0x000F // Data packet size, 16bits + +// LSSPCR1 Control register 1 +#define LSSPCR1_SOD 0x0008 // Slave Output mode Disable +#define LSSPCR1_MS 0x0004 // Master or Slave mode +#define LSSPCR1_SSE 0x0002 // Serial port enable +#define LSSPCR1_LBM 0x0001 // Loop Back Mode + +// LSSPSR Status register +#define LSSPSR_BSY 0x0010 // Busy +#define LSSPSR_RFF 0x0008 // Receive FIFO full +#define LSSPSR_RNE 0x0004 // Receive FIFO not empty +#define LSSPSR_TNF 0x0002 // Transmit FIFO not full +#define LSSPSR_TFE 0x0001 // Transmit FIFO empty + +// LSSPCPSR Clock prescale register +#define LSSPCPSR_DFLT 0x0002 // Clock prescale (use with SCR) + +// SPICS register +#define LSSPCS_nCS0 0x0001 // nCS0 (CLCD_CS) +#define LSSPCS_nCS2 0x0004 // nCS2 (CLCD_T_CS) +#define LCD_RESET 0x0008 // RESET (CLCD_RESET) +#define LCD_RS 0x0010 // RS (CLCD_RS) +#define LCD_RD 0x0020 // RD (CLCD_RD) +#define LCD_BL 0x0040 // Backlight (CLCD_BL_CTRL) + +// SPI defaults +#define LSSPMAXTIME 10000 // Maximum time to wait for LSSP (10*10uS) +#define LSPI_START (0x70) // Start byte for SPI transfer +#define LSPI_RD (0x01) // WR bit 1 within start +#define LSPI_WR (0x00) // WR bit 0 within start +#define LSPI_DATA (0x02) // RS bit 1 within start byte +#define LSPI_INDEX (0x00) // RS bit 0 within start byte + +// Screen size +#define LCD_WIDTH 320 // Screen Width (in pixels) +#define LCD_HEIGHT 240 // Screen Height (in pixels)
