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Add definitions for Teensy-LC DMA & DAC

main
PaulStoffregen 9 years ago
parent
c2f7a79b99
commit
444660ffe4
3 changed files with 87 additions and 2 deletions
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  1. +3
    -0
      teensy3/DMAChannel.cpp
  2. +3
    -1
      teensy3/DMAChannel.h
  3. +81
    -1
      teensy3/kinetis.h

+ 3
- 0
teensy3/DMAChannel.cpp View File

@@ -1,5 +1,7 @@
#include "DMAChannel.h"

#if defined(KINETISK)

// The channel allocation bitmask is accessible from "C" namespace,
// so C-only code can reserve DMA channels
uint16_t dma_channel_allocated_mask = 0;
@@ -104,3 +106,4 @@ void DMAPriorityOrder(DMAChannel &ch1, DMAChannel &ch2, DMAChannel &ch3, DMAChan
if (priority(ch3) < priority(ch4)) swap(ch2, ch3);
}

#endif

+ 3
- 1
teensy3/DMAChannel.h View File

@@ -17,6 +17,8 @@
// https://github.com/pixelmatix/SmartMatrix
// https://github.com/crteensy/DmaSpi <-- DmaSpi has adopted this scheme

#if defined(KINETISK)

#ifdef __cplusplus

#define DMACHANNEL_HAS_BEGIN
@@ -809,6 +811,6 @@ extern uint16_t dma_channel_allocated_mask;
}
#endif

#endif // KINETISK

#endif

+ 81
- 1
teensy3/kinetis.h View File

@@ -694,6 +694,8 @@ enum IRQ_NUMBER_t {
#define DMAMUX_SOURCE_I2S0_TX 15
#define DMAMUX_SOURCE_SPI0_RX 16
#define DMAMUX_SOURCE_SPI0_TX 17
#define DMAMUX_SOURCE_SPI1_RX 18
#define DMAMUX_SOURCE_SPI1_TX 19
#define DMAMUX_SOURCE_I2C0 22
#define DMAMUX_SOURCE_I2C1 23
#define DMAMUX_SOURCE_FTM0_CH0 24
@@ -721,6 +723,7 @@ enum IRQ_NUMBER_t {
#define DMAMUX_SOURCE_PORTC 51
#define DMAMUX_SOURCE_PORTD 52
#define DMAMUX_SOURCE_PORTE 53
#if defined(KINETISK)
#define DMAMUX_SOURCE_ALWAYS0 54
#define DMAMUX_SOURCE_ALWAYS1 55
#define DMAMUX_SOURCE_ALWAYS2 56
@@ -732,8 +735,20 @@ enum IRQ_NUMBER_t {
#define DMAMUX_SOURCE_ALWAYS8 62
#define DMAMUX_SOURCE_ALWAYS9 63
#define DMAMUX_NUM_SOURCE_ALWAYS 10
#elif defined(KINETISL)
#define DMAMUX_SOURCE_FTM0_OV 54
#define DMAMUX_SOURCE_FTM1_OV 55
#define DMAMUX_SOURCE_FTM2_OV 56
#define DMAMUX_SOURCE_TSI 57
#define DMAMUX_SOURCE_ALWAYS0 60
#define DMAMUX_SOURCE_ALWAYS1 61
#define DMAMUX_SOURCE_ALWAYS2 62
#define DMAMUX_SOURCE_ALWAYS3 63
#define DMAMUX_NUM_SOURCE_ALWAYS 4
#endif

// Chapter 21: Direct Memory Access Controller (eDMA)
#if defined(KINETISK)
#define DMA_CR (*(volatile uint32_t *)0x40008000) // Control Register
#define DMA_CR_CX ((uint32_t)(1<<17)) // Cancel Transfer
#define DMA_CR_ECX ((uint32_t)(1<<16)) // Error Cancel Transfer
@@ -881,7 +896,6 @@ enum IRQ_NUMBER_t {
#define DMA_DCHPRI13 (*(volatile uint8_t *)0x4000810E) // Channel n Priority Register
#define DMA_DCHPRI12 (*(volatile uint8_t *)0x4000810F) // Channel n Priority Register


#define DMA_TCD_ATTR_SMOD(n) (((n) & 0x1F) << 11)
#define DMA_TCD_ATTR_SSIZE(n) (((n) & 0x7) << 8)
#define DMA_TCD_ATTR_DMOD(n) (((n) & 0x1F) << 3)
@@ -1179,6 +1193,47 @@ enum IRQ_NUMBER_t {
#define DMA_TCD15_BITER_ELINKYES (*(volatile uint16_t *)0x400091FE) // TCD Beginning Minor Loop Link
#define DMA_TCD15_BITER_ELINKNO (*(volatile uint16_t *)0x400091FE) // TCD Beginning Minor Loop Link

#elif defined(KINETISL)
#define DMA_SAR0 (*(volatile uint16_t *)0x40008100) // Source Address
#define DMA_DAR0 (*(volatile uint16_t *)0x40008104) // Destination Address
#define DMA_DSR_BCR0 (*(volatile uint16_t *)0x40008108) // Status / Byte Count
#define DMA_DCR0 (*(volatile uint16_t *)0x4000810C) // Control
#define DMA_SAR1 (*(volatile uint16_t *)0x40008110) // Source Address
#define DMA_DAR1 (*(volatile uint16_t *)0x40008114) // Destination Address
#define DMA_DSR_BCR1 (*(volatile uint16_t *)0x40008118) // Status / Byte Count
#define DMA_DCR1 (*(volatile uint16_t *)0x4000811C) // Control
#define DMA_SAR2 (*(volatile uint16_t *)0x40008120) // Source Address
#define DMA_DAR2 (*(volatile uint16_t *)0x40008124) // Destination Address
#define DMA_DSR_BCR2 (*(volatile uint16_t *)0x40008128) // Status / Byte Count
#define DMA_DCR2 (*(volatile uint16_t *)0x4000812C) // Control
#define DMA_SAR3 (*(volatile uint16_t *)0x40008130) // Source Address
#define DMA_DAR3 (*(volatile uint16_t *)0x40008134) // Destination Address
#define DMA_DSR_BCR3 (*(volatile uint16_t *)0x40008138) // Status / Byte Count
#define DMA_DCR3 (*(volatile uint16_t *)0x4000813C) // Control
#define DMA_DSR_BCR_CE ((uint32_t)0x40000000) // Configuration Error
#define DMA_DSR_BCR_BES ((uint32_t)0x20000000) // Bus Error on Source
#define DMA_DSR_BCR_BED ((uint32_t)0x10000000) // Bus Error on Destination
#define DMA_DSR_BCR_REQ ((uint32_t)0x04000000) // Request
#define DMA_DSR_BCR_BSY ((uint32_t)0x02000000) // Busy
#define DMA_DSR_BCR_DONE ((uint32_t)0x01000000) // Transactions Done
#define DMA_DSR_BCR_BCR(n) ((n) & 0x00FFFFFF) // Byte Count Remaining
#define DMA_DCR_EINT ((uint32_t)0x80000000) // Enable Interrupt on Completion
#define DMA_DCR_ERQ ((uint32_t)0x40000000) // Enable Peripheral Request
#define DMA_DCR_CS ((uint32_t)0x20000000) // Cycle Steal
#define DMA_DCR_AA ((uint32_t)0x10000000) // Auto-align
#define DMA_DCR_EADREQ ((uint32_t)0x00800000) // Enable asynchronous DMA requests
#define DMA_DCR_SINC ((uint32_t)0x00400000) // Source Increment
#define DMA_DCR_SSIZE(n) (((n) & 3) << 20) // Source Size, 0=32, 1=8, 2=16
#define DMA_DCR_DINC ((uint32_t)0x00080000) // Destination Increment
#define DMA_DCR_DSIZE(n) (((n) & 3) << 17) // Dest Size, 0=32, 1=8, 2=16
#define DMA_DCR_START ((uint32_t)0x00010000) // Start Transfer
#define DMA_DCR_SMOD(n) (((n) & 15) << 12) // Source Address Modulo
#define DMA_DCR_DMOD(n) (((n) & 15) << 8) // Destination Address Modulo
#define DMA_DCR_D_REQ ((uint32_t)0x00000080) // Disable Request
#define DMA_DCR_LINKCC(n) (((n) & 3) << 4) // Link Channel Control
#define DMA_DCR_LCH1(n) (((n) & 3) << 2) // Link Channel 1
#define DMA_DCR_LCH2(n) (((n) & 3) << 0) // Link Channel 2
#endif

// Chapter 22: External Watchdog Monitor (EWM)
#define EWM_CTRL (*(volatile uint8_t *)0x40061000) // Control Register
@@ -1422,6 +1477,7 @@ enum IRQ_NUMBER_t {
#define ADC1_CLM1 (*(volatile uint32_t *)0x400BB068) // ADC minus-side general calibration value register
#define ADC1_CLM0 (*(volatile uint32_t *)0x400BB06C) // ADC minus-side general calibration value register

#if defined(KINETISK)
#define DAC0_DAT0L (*(volatile uint8_t *)0x400CC000) // DAC Data Low Register
#define DAC0_DATH (*(volatile uint8_t *)0x400CC001) // DAC Data High Register
#define DAC0_DAT1L (*(volatile uint8_t *)0x400CC002) // DAC Data Low Register
@@ -1459,6 +1515,30 @@ enum IRQ_NUMBER_t {
#define DAC_C2_DACBFRP(n) ((((n) & 15) << 4)) // DAC Buffer Read Pointer
#define DAC_C2_DACBFUP(n) ((((n) & 15) << 0)) // DAC Buffer Upper Limit

#elif defined(KINETISL)
#define DAC0_DAT0L (*(volatile uint8_t *)0x4003F000) // Data Low
#define DAC0_DAT0H (*(volatile uint8_t *)0x4003F001) // Data High
#define DAC0_DAT1L (*(volatile uint8_t *)0x4003F002) // Data Low
#define DAC0_DAT1H (*(volatile uint8_t *)0x4003F003) // Data High
#define DAC0_SR (*(volatile uint8_t *)0x4003F020) // Status
#define DAC0_C0 (*(volatile uint8_t *)0x4003F021) // Control Register
#define DAC0_C1 (*(volatile uint8_t *)0x4003F022) // Control Register 1
#define DAC0_C2 (*(volatile uint8_t *)0x4003F023) // Control Register 2
#define DAC_SR_DACBFRPTF ((uint8_t)0x02) // Read Pointer Top Position Flag
#define DAC_SR_DACBFRPBF ((uint8_t)0x01) // Read Pointer Bottom Position Flag
#define DAC_C0_DACEN ((uint8_t)0x80) // Enable
#define DAC_C0_DACRFS ((uint8_t)0x40) // Reference, 0=AREF pin, 1=VCC
#define DAC_C0_DACTRGSEL ((uint8_t)0x20) // Trigger Select
#define DAC_C0_DACSWTRG ((uint8_t)0x10) // Software Trigger
#define DAC_C0_LPEN ((uint8_t)0x08) // Low Power Control
#define DAC_C0_DACBTIEN ((uint8_t)0x02) // Top Flag Interrupt Enable
#define DAC_C0_DACBBIEN ((uint8_t)0x01) // Bottom Flag Interrupt Enable
#define DAC_C1_DMAEN ((uint8_t)0x80) // DMA Enable
#define DAC_C1_DACBFMD ((uint8_t)0x04) // Work Mode Select
#define DAC_C1_DACBFEN ((uint8_t)0x01) // Buffer Enable
#define DAC_C2_DACBFRP ((uint8_t)0x10) // Buffer Read Pointer
#define DAC_C2_DACBFUP ((uint8_t)0x01) // Buffer Upper Limit
#endif

//#define MCG_C2_RANGE0(n) (uint8_t)(((n) & 0x03) << 4) // Frequency Range Select, Selects the frequency range for the crystal oscillator
//#define MCG_C2_LOCRE0 (uint8_t)0x80 // Loss of Clock Reset Enable, Determines whether an interrupt or a reset request is made following a loss of OSC0

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