From b2539041eed3caa52a74390c905d40dfac495fb1 Mon Sep 17 00:00:00 2001 From: Jacob Alexander Date: Sat, 10 Jan 2015 19:55:28 -0800 Subject: [PATCH] More preparation for mk20dx256vlh7 --- Bootloader/main.c | 17 ++- CMakeLists.txt | 3 +- Debug/led/led.c | 22 +++- Lib/pin_map.teensy3 | 81 +++++++------- Output/uartOut/arm/uart_serial.c | 182 +++++++++++++++++++++++-------- 5 files changed, 212 insertions(+), 93 deletions(-) diff --git a/Bootloader/main.c b/Bootloader/main.c index d1fbb86..5e975ac 100644 --- a/Bootloader/main.c +++ b/Bootloader/main.c @@ -1,5 +1,5 @@ /* Copyright (c) 2011,2012 Simon Schubert <2@0x2c.org>. - * Modifications by Jacob Alexander 2014 + * Modifications by Jacob Alexander 2014-2015 * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -15,8 +15,9 @@ * along with this program. If not, see . */ -// ----- Local Includes ----- +// ----- Includes ----- +// Local Includes #include "mchck.h" #include "dfu.desc.h" @@ -79,12 +80,24 @@ void init_usb_bootloader( int config ) void main() { +#if defined(_mk20dx128vlf5_) // Kiibohd-dfu / Infinity + // XXX McHCK uses B16 instead of A19 + // Enabling LED to indicate we are in the bootloader GPIOA_PDDR |= (1<<19); // Setup pin - A19 - See Lib/pin_map.mchck for more details on pins PORTA_PCR19 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1); GPIOA_PSOR |= (1<<19); +#elif defined(_mk20dx256vlh7_) // Kiibohd-dfu + // Enabling LED to indicate we are in the bootloader + GPIOA_PDDR |= (1<<5); + // Setup pin - A5 - See Lib/pin_map.mchck for more details on pins + PORTA_PCR19 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1); + GPIOA_PSOR |= (1<<5); + +#endif + flash_prepare_flashing(); usb_init( &dfu_device ); diff --git a/CMakeLists.txt b/CMakeLists.txt index b896208..883ab3d 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -22,8 +22,9 @@ set( CHIP # "at90usb646" # Teensy++ 1.0 (avr) # "at90usb1286" # Teensy++ 2.0 (avr) # "mk20dx128" # Teensy 3.0 (arm) - "mk20dx128vlf5" # McHCK mk20dx128vlf5 + "mk20dx128vlf5" # McHCK mk20dx128vlf5 # "mk20dx256" # Teensy 3.1 (arm) +# "mk20dx256vlh7" # Kiibohd-dfu mk20dx256vlh7 CACHE STRING "Microcontroller Chip" ) diff --git a/Debug/led/led.c b/Debug/led/led.c index ece3a48..d2593b9 100644 --- a/Debug/led/led.c +++ b/Debug/led/led.c @@ -50,7 +50,7 @@ inline void init_errorLED() // Setup pin - Pin 13 -> C5 - See Lib/pin_map.teensy3 for more details on pins PORTC_PCR5 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1); -// MCHCK +// MCHCK / Kiibohd-dfu #elif defined(_mk20dx128vlf5_) /* Actual MCHCK @@ -67,6 +67,14 @@ inline void init_errorLED() // Setup pin - A19 - See Lib/pin_map.mchck for more details on pins PORTA_PCR19 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1); +// Kiibohd-dfu +#elif defined(_mk20dx256vlh7_) + // Kiibohd-dfu + // Enable pin + GPIOA_PDDR |= (1<<5); + + // Setup pin - A5 - See Lib/pin_map.mchck for more details on pins + PORTA_PCR5 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1); #endif } @@ -120,6 +128,18 @@ inline void errorLED( uint8_t on ) GPIOA_PCOR |= (1<<19); } +// Kiibohd-dfu +#elif defined(_mk20dx256vlh7_) + // Kiibohd-dfu + // Error LED On (A5) + if ( on ) { + GPIOA_PSOR |= (1<<5); + } + // Error LED Off + else { + GPIOA_PCOR |= (1<<5); + } + #endif } diff --git a/Lib/pin_map.teensy3 b/Lib/pin_map.teensy3 index 0338d6f..a0b77c9 100644 --- a/Lib/pin_map.teensy3 +++ b/Lib/pin_map.teensy3 @@ -1,39 +1,39 @@ -// Pin Name Function Hardware +// Pin Name Function Hardware // ---------------------------------- -// 0 B16 RX1 -// 1 B17 TX1 -// 2 D0 PCS0 -// 3 A12 FTM1_CH0 PWM (CAN TX - Teensy 3.1) I2S_TXD0 -// 4 A13 FTM1_CH1 PWM (CAN RX - Teensy 3.1) I2S_TX_FS -// 5 D7 FTM0_CH7 PWM -// 6 D4 FTM0_CH4 PWM PCS1 -// 7 D2 RX3 SOUT0 -// 8 D3 TX3 SIN0 -// 9 C3 FTM0_CH2 RX2 PWM PCS1 I2S_TX_BCLK -// 10 C4 FTM0_CH3 TX2 PWM PCS0 -// 11 C6 SOUT0 I2S_RX_BCLK I2S_MCLK -// 12 C7 SIN0 I2S_RX_FS -// 13 C5 LED SCK0 I2S_RXD0 -// 14 D1 SCK0 -// 15 C0 -// 16 B0 (FTM1_CH0) SCL0 -// 17 B1 (FTM1_CH1) SDA0 -// 18 B3 SDA0 -// 19 B2 SCL0 -// 20 D5 FTM0_CH5 PWM PCS2 -// 21 D6 FTM0_CH6 PWM PCS3 -// 22 C1 FTM0_CH0 PWM PCS3 I2S_TXD0 -// 23 C2 FTM0_CH1 PWM PCS2 I2S_TX_FS -// 24 A5 (FTM0_CH2) I2S_TX_BCLK -// 25 B19 (PWM - Teensy 3.1) I2S_TX_FS -// 26 E1 -// 27 C9 I2S_RX_BCLK -// 28 C8 I2S_MCLK -// 29 C10 (SCL1 - Teensy 3.1) I2S_RX_FS -// 30 C11 (SDA1 - Teensy 3.1) I2S_RXD1 -// 31 E0 -// 32 B18 (PWM - Teensy 3.1) I2S_TX_BCLK -// 33 A4 (FTM0_CH1) +// 0 PTB16 RX0 +// 1 PTB17 TX0 +// 2 PTD0 PCS0 +// 3 PTA12 FTM1_CH0 PWM (CAN TX - Teensy 3.1) I2S_TXD0 +// 4 PTA13 FTM1_CH1 PWM (CAN RX - Teensy 3.1) I2S_TX_FS +// 5 PTD7 FTM0_CH7 PWM +// 6 PTD4 FTM0_CH4 PWM PCS1 +// 7 PTD2 RX2 SOUT0 +// 8 PTD3 TX2 SIN0 +// 9 PTC3 FTM0_CH2 RX1 PWM PCS1 I2S_TX_BCLK +// 10 PTC4 FTM0_CH3 TX1 PWM PCS0 +// 11 PTC6 SOUT0 I2S_RX_BCLK I2S_MCLK +// 12 PTC7 SIN0 I2S_RX_FS +// 13 PTC5 LED SCK0 I2S_RXD0 +// 14 PTD1 SCK0 +// 15 PTC0 PCS4 I2S_TXD1 +// 16 PTB0 (FTM1_CH0) SCL0 +// 17 PTB1 (FTM1_CH1) SDA0 +// 18 PTB3 SDA0 +// 19 PTB2 SCL0 +// 20 PTD5 FTM0_CH5 PWM PCS2 +// 21 PTD6 FTM0_CH6 PWM PCS3 +// 22 PTC1 FTM0_CH0 PWM PCS3 I2S_TXD0 +// 23 PTC2 FTM0_CH1 PWM PCS2 I2S_TX_FS +// 24 PTA5 (FTM0_CH2) I2S_TX_BCLK +// 25 PTB19 (PWM - Teensy 3.1) I2S_TX_FS +// 26 PTE1 RX1 SCL1 +// 27 PTC9 I2S_RX_BCLK +// 28 PTC8 I2S_MCLK +// 29 PTC10 (SCL1 - Teensy 3.1) I2S_RX_FS +// 30 PTC11 (SDA1 - Teensy 3.1) I2S_RXD1 +// 31 PTE0 TX1 SDA1 +// 32 PTB18 (PWM - Teensy 3.1) I2S_TX_BCLK +// 33 PTA4 (FTM0_CH1) // 34 analog only // 35 analog only // 36 analog only @@ -43,13 +43,10 @@ // 40 DAC/A14 // not available to user: -// A0 FTM0_CH5 SWD Clock -// A1 FTM0_CH6 USB ID -// A2 FTM0_CH7 SWD Trace -// A3 FTM0_CH0 SWD Data - -// misc - C0 PCS4 I2S_TXD1 +// A0 FTM0_CH5 SWD Clock +// A1 FTM0_CH6 USB ID +// A2 FTM0_CH7 SWD Trace +// A3 FTM0_CH0 SWD Data // Analog Channel Channel // Pin Pin Name ADC0 ADC1 diff --git a/Output/uartOut/arm/uart_serial.c b/Output/uartOut/arm/uart_serial.c index 371ae00..b947967 100644 --- a/Output/uartOut/arm/uart_serial.c +++ b/Output/uartOut/arm/uart_serial.c @@ -19,18 +19,74 @@ * THE SOFTWARE. */ -#include "uart_serial.h" +// ----- Includes ----- + +// Compiler Includes +#include // For memcpy + +// Project Includes #include #include -#include // For memcpy + +// Local Includes +#include "uart_serial.h" + + + +// ----- Defines ----- + +// UART Configuration +#if defined(_mk20dx128_) || defined(_mk20dx128vlf5_) || defined(_mk20dx256_) // UART0 Debug +#define UART_BDH UART0_BDH +#define UART_BDL UART0_BDL +#define UART_C1 UART0_C1 +#define UART_C2 UART0_C2 +#define UART_C3 UART0_C3 +#define UART_C4 UART0_C4 +#define UART_CFIFO UART0_CFIFO +#define UART_D UART0_D +#define UART_PFIFO UART0_PFIFO +#define UART_RCFIFO UART0_RCFIFO +#define UART_RWFIFO UART0_RWFIFO +#define UART_S1 UART0_S1 +#define UART_S2 UART0_S2 +#define UART_SFIFO UART0_SFIFO +#define UART_TWFIFO UART0_TWFIFO + +#define SIM_SCGC4_UART SIM_SCGC4_UART0 +#define IRQ_UART_STATUS IRQ_UART0_STATUS + +#elif defined(_mk20dx256vlh7_) // UART2 Debug +#define UART_BDH UART2_BDH +#define UART_BDL UART2_BDL +#define UART_C1 UART2_C1 +#define UART_C2 UART2_C2 +#define UART_C3 UART2_C3 +#define UART_C4 UART2_C4 +#define UART_CFIFO UART2_CFIFO +#define UART_D UART2_D +#define UART_PFIFO UART2_PFIFO +#define UART_RCFIFO UART2_RCFIFO +#define UART_RWFIFO UART2_RWFIFO +#define UART_S1 UART2_S1 +#define UART_S2 UART2_S2 +#define UART_SFIFO UART2_SFIFO +#define UART_TWFIFO UART2_TWFIFO + +#define SIM_SCGC4_UART SIM_SCGC4_UART2 +#define IRQ_UART_STATUS IRQ_UART2_STATUS + +#endif + + // ----- Variables ----- -#define uart0_buffer_size 128 // 128 byte buffer -volatile uint8_t uart0_buffer_head = 0; -volatile uint8_t uart0_buffer_tail = 0; -volatile uint8_t uart0_buffer_items = 0; -volatile uint8_t uart0_buffer[uart0_buffer_size]; +#define uart_buffer_size 128 // 128 byte buffer +volatile uint8_t uart_buffer_head = 0; +volatile uint8_t uart_buffer_tail = 0; +volatile uint8_t uart_buffer_items = 0; +volatile uint8_t uart_buffer[uart_buffer_size]; volatile uint8_t uart_configured = 0; @@ -38,21 +94,25 @@ volatile uint8_t uart_configured = 0; // ----- Interrupt Functions ----- +#if defined(_mk20dx128_) || defined(_mk20dx128vlf5_) || defined(_mk20dx256_) // UART0 Debug void uart0_status_isr() +#elif defined(_mk20dx256vlh7_) // UART2 Debug +void uart2_status_isr() +#endif { cli(); // Disable Interrupts // UART0_S1 must be read for the interrupt to be cleared - if ( UART0_S1 & ( UART_S1_RDRF | UART_S1_IDLE ) ) + if ( UART_S1 & ( UART_S1_RDRF | UART_S1_IDLE ) ) { - uint8_t available = UART0_RCFIFO; + uint8_t available = UART_RCFIFO; // If there was actually nothing if ( available == 0 ) { // Cleanup - available = UART0_D; - UART0_CFIFO = UART_CFIFO_RXFLUSH; + available = UART_D; + UART_CFIFO = UART_CFIFO_RXFLUSH; sei(); return; } @@ -60,25 +120,25 @@ void uart0_status_isr() // Read UART0 into buffer until FIFO is empty while ( available-- > 0 ) { - uart0_buffer[uart0_buffer_tail++] = UART0_D; - uart0_buffer_items++; + uart_buffer[uart_buffer_tail++] = UART_D; + uart_buffer_items++; // Wrap-around of tail pointer - if ( uart0_buffer_tail >= uart0_buffer_size ) + if ( uart_buffer_tail >= uart_buffer_size ) { - uart0_buffer_tail = 0; + uart_buffer_tail = 0; } // Make sure the head pointer also moves if circular buffer is overwritten - if ( uart0_buffer_head == uart0_buffer_tail ) + if ( uart_buffer_head == uart_buffer_tail ) { - uart0_buffer_head++; + uart_buffer_head++; } // Wrap-around of head pointer - if ( uart0_buffer_head >= uart0_buffer_size ) + if ( uart_buffer_head >= uart_buffer_size ) { - uart0_buffer_head = 0; + uart_buffer_head = 0; } } } @@ -96,14 +156,20 @@ void uart_serial_setup() uart_configured = 0; // Setup the the UART interface for keyboard data input - SIM_SCGC4 |= SIM_SCGC4_UART0; // Disable clock gating + SIM_SCGC4 |= SIM_SCGC4_UART; // Disable clock gating -// MCHCK +// MCHCK / Kiibohd-dfu #if defined(_mk20dx128vlf5_) // Pin Setup for UART0 PORTA_PCR1 = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(2); // RX Pin PORTA_PCR2 = PORT_PCR_DSE | PORT_PCR_SRE | PORT_PCR_MUX(2); // TX Pin +// Kiibohd-dfu +#elif defined(_mk20dx256vlh7_) + // Pin Setup for UART2 + PORTD_PCR2 = PORT_PCR_PE | PORT_PCR_PS | PORT_PCR_PFE | PORT_PCR_MUX(3); // RX Pin + PORTD_PCR3 = PORT_PCR_DSE | PORT_PCR_SRE | PORT_PCR_MUX(3); // TX Pin + // Teensy #else // Pin Setup for UART0 @@ -111,44 +177,66 @@ void uart_serial_setup() PORTB_PCR17 = PORT_PCR_DSE | PORT_PCR_SRE | PORT_PCR_MUX(3); // TX Pin #endif + +#if defined(_mk20dx128_) || defined(_mk20dx128vlf5_) || defined(_mk20dx256_) // UART0 Debug // Setup baud rate - 115200 Baud // 48 MHz / ( 16 * Baud ) = BDH/L // Baud: 115200 -> 48 MHz / ( 16 * 115200 ) = 26.0416667 // Thus baud setting = 26 // NOTE: If finer baud adjustment is needed see UARTx_C4 -> BRFA in the datasheet uint16_t baud = 26; // Max setting of 8191 - UART0_BDH = (uint8_t)(baud >> 8); - UART0_BDL = (uint8_t)baud; - UART0_C4 = 0x02; + UART_BDH = (uint8_t)(baud >> 8); + UART_BDL = (uint8_t)baud; + UART_C4 = 0x02; + +#elif defined(_mk20dx256vlh7_) // UART2 Debug + // Setup baud rate - 115200 Baud + // Uses Bus Clock + // 24 MHz / ( 16 * Baud ) = BDH/L + // Baud: 115200 -> 24 MHz / ( 16 * 115200 ) = 13.021 + // Thus baud setting = 13 + // NOTE: If finer baud adjustment is needed see UARTx_C4 -> BRFA in the datasheet + uint16_t baud = 13; // Max setting of 8191 + UART_BDH = (uint8_t)(baud >> 8); + UART_BDL = (uint8_t)baud; + UART_C4 = 0x01; + +#endif // 8 bit, No Parity, Idle Character bit after stop - UART0_C1 = UART_C1_ILT; + UART_C1 = UART_C1_ILT; // Interrupt notification watermarks - UART0_TWFIFO = 2; - UART0_RWFIFO = 4; +#if defined(_mk20dx128_) || defined(_mk20dx128vlf5_) || defined(_mk20dx256_) // UART0 Debug + UART_TWFIFO = 2; + UART_RWFIFO = 4; +#elif defined(_mk20dx256vlh7_) // UART2 Debug + // UART2 has a single byte FIFO + UART_TWFIFO = 1; + UART_RWFIFO = 1; +#endif - // TX FIFO Disabled, TX FIFO Size 1 (Max 8 datawords), RX FIFO Enabled, RX FIFO Size 1 (Max 8 datawords) + // TX FIFO Enabled, TX FIFO Size 1 (Max 8 datawords), RX FIFO Enabled, RX FIFO Size 1 (Max 8 datawords) // TX/RX FIFO Size: // 0x0 - 1 dataword // 0x1 - 4 dataword // 0x2 - 8 dataword - UART0_PFIFO = UART_PFIFO_TXFE | UART_PFIFO_RXFE; + UART_PFIFO = UART_PFIFO_TXFE | UART_PFIFO_RXFE; // Reciever Inversion Disabled, LSBF // UART_S2_RXINV UART_S2_MSBF - UART0_S2 |= 0x00; + UART_S2 |= 0x00; // Transmit Inversion Disabled // UART_C3_TXINV - UART0_C3 |= 0x00; + UART_C3 |= 0x00; // TX Enabled, RX Enabled, RX Interrupt Enabled, Generate idles // UART_C2_TE UART_C2_RE UART_C2_RIE UART_C2_ILIE - UART0_C2 = UART_C2_TE | UART_C2_RE | UART_C2_RIE | UART_C2_ILIE; + UART_C2 = UART_C2_TE | UART_C2_RE | UART_C2_RIE | UART_C2_ILIE; // Add interrupt to the vector table - NVIC_ENABLE_IRQ( IRQ_UART0_STATUS ); + NVIC_ENABLE_IRQ( IRQ_UART_STATUS ); // UART is now ready to use uart_configured = 1; @@ -164,15 +252,15 @@ int uart_serial_getchar() unsigned int value = -1; // Check to see if the FIFO has characters - if ( uart0_buffer_items > 0 ) + if ( uart_buffer_items > 0 ) { - value = uart0_buffer[uart0_buffer_head++]; - uart0_buffer_items--; + value = uart_buffer[uart_buffer_head++]; + uart_buffer_items--; // Wrap-around of head pointer - if ( uart0_buffer_head >= uart0_buffer_size ) + if ( uart_buffer_head >= uart_buffer_size ) { - uart0_buffer_head = 0; + uart_buffer_head = 0; } } @@ -183,16 +271,16 @@ int uart_serial_getchar() // Number of bytes available in the receive buffer int uart_serial_available() { - return uart0_buffer_items; + return uart_buffer_items; } // Discard any buffered input void uart_serial_flush_input() { - uart0_buffer_head = 0; - uart0_buffer_tail = 0; - uart0_buffer_items = 0; + uart_buffer_head = 0; + uart_buffer_tail = 0; + uart_buffer_items = 0; } @@ -202,8 +290,8 @@ int uart_serial_putchar( uint8_t c ) if ( !uart_configured ) return -1; - while ( !( UART0_SFIFO & UART_SFIFO_TXEMPT ) ); // Wait till there is room to send - UART0_D = c; + while ( !( UART_SFIFO & UART_SFIFO_TXEMPT ) ); // Wait till there is room to send + UART_D = c; return 0; } @@ -220,8 +308,8 @@ int uart_serial_write( const void *buffer, uint32_t size ) // While buffer is not empty and transmit buffer is while ( position < size ) { - while ( !( UART0_SFIFO & UART_SFIFO_TXEMPT ) ); // Wait till there is room to send - UART0_D = data[position++]; + while ( !( UART_SFIFO & UART_SFIFO_TXEMPT ) ); // Wait till there is room to send + UART_D = data[position++]; } return 0; @@ -231,7 +319,7 @@ int uart_serial_write( const void *buffer, uint32_t size ) void uart_serial_flush_output() { // Delay until buffer has been sent - while ( !( UART0_SFIFO & UART_SFIFO_TXEMPT ) ); // Wait till there is room to send + while ( !( UART_SFIFO & UART_SFIFO_TXEMPT ) ); // Wait till there is room to send }