diff options
Diffstat (limited to 'keyboard/infinity/mbed-infinity')
| -rw-r--r-- | keyboard/infinity/mbed-infinity/README | 83 | ||||
| -rw-r--r-- | keyboard/infinity/mbed-infinity/USBHAL_KL25Z.cpp | 557 | ||||
| -rw-r--r-- | keyboard/infinity/mbed-infinity/cmsis_nvic.c | 55 | ||||
| -rw-r--r-- | keyboard/infinity/mbed-infinity/infinity.ld | 156 | ||||
| -rw-r--r-- | keyboard/infinity/mbed-infinity/startup_MK20D5.s | 259 | ||||
| -rw-r--r-- | keyboard/infinity/mbed-infinity/system_MK20D5.c | 299 |
6 files changed, 0 insertions, 1409 deletions
diff --git a/keyboard/infinity/mbed-infinity/README b/keyboard/infinity/mbed-infinity/README deleted file mode 100644 index 43051c9003..0000000000 --- a/keyboard/infinity/mbed-infinity/README +++ /dev/null @@ -1,83 +0,0 @@ -mbed fix for Infinity -===================== -Without linker script patch it doesn't place vector table in final binary. -And clock is configured to 48MHz using internal clock reference and FLL multiplication. - - -mbed/targets/cmsis/TARGET_Freescale/TARGET_K20D50M/system_MK20D5.c - Fix SystemInit: clock setup for internal clock. Inifinity has no external Xtal. - -mbed/targets/cmsis/TARGET_Freescale/TARGET_K20D50M/cmsis_nvic.c - Fix NVIC vector address of firmware 0x1000 instead of 0x0 - -mbed/targets/cmsis/TARGET_Freescale/TARGET_K20D50M/TOOLCHAIN_GCC_ARM/MK20D5.ld - Fix memory map for Infinity bootloader - Flash starts at 0x1000 - No flash config bytes sector - -USBDevice/USBDevice/USBHAL_KL25Z.cpp - Fix USB clock setup, see below. - - -2015/01/04 Based on mbed-sdk @2f63fa7d78a26. - - - -Kinetis USB config -================== -Clock source: Internal reference clock wth FLL - SIM_SOPT[USBSRC] = 1(MCGPLLCLK/MCGFLLCLK) - SIM_SOPT[PLLSEL] = 0(MCGFLLCLK) - -Clock dividor: - SIM_CLKDIV2[USBDIV] = 0 - SIM_CLKDIV2[USBFAC] = 0 - -Clock enable: - SIM_SCGC4[USBOTG] = 1 - - - -Infinity bootloader change -========================== -After @2c7542e(2015/01) Infinity bootloader doesn't disable watchdog timer and keyboard firmware has to do it itself. mbed disables watchdog in startup sequence but unfortunately timer is timed out bofore that. - -We have to do that in earlier phase of mbed startup sequence. - - -mbed starup sequence files: -mbed/targets/cmsis/TARGET_Freescale/TARGET_K20D50M/TOOLCHAIN_GCC_ARM/startup_M20D5.s -mbed/targets/cmsis/TARGET_Freescale/TARGET_K20D50M/system_MK20D5.c - -Infinity booloader change commit: -https://github.com/kiibohd/controller/commit/2c7542e2e7f0b8a99edf563dc53164fe1a439483 - -discussion: -https://geekhack.org/index.php?topic=41989.msg1686616#msg1686616 - - -WORKAROUND ----------- -Call SystemInit early in Reset_Handler. - -$ diff -u ../../mbed-sdk/libraries/mbed/targets/cmsis/TARGET_Freescale/TARGET_K20D50M/TOOLCHAIN_GCC_ARM/startup_MK20D5.s mbed-infinity ---- ../../mbed-sdk/libraries/mbed/targets/cmsis/TARGET_Freescale/TARGET_K20D50M/TOOLCHAIN_GCC_ARM/startup_MK20D5.s 2015-03-22 10:33:22.779866000 +0900 -+++ mbed-infinity/startup_MK20D5.s 2015-03-22 10:32:56.483866000 +0900 -@@ -147,6 +147,8 @@ - * __etext: End of code section, i.e., begin of data sections to copy from. - * __data_start__/__data_end__: RAM address range that data should be - * copied to. Both must be aligned to 4 bytes boundary. */ -+ ldr r0, =SystemInit -+ blx r0 - - ldr r1, =__etext - ldr r2, =__data_start__ -@@ -161,8 +163,6 @@ - - .Lflash_to_ram_loop_end: - -- ldr r0, =SystemInit -- blx r0 - ldr r0, =_start - bx r0 - .pool diff --git a/keyboard/infinity/mbed-infinity/USBHAL_KL25Z.cpp b/keyboard/infinity/mbed-infinity/USBHAL_KL25Z.cpp deleted file mode 100644 index 90f02fa322..0000000000 --- a/keyboard/infinity/mbed-infinity/USBHAL_KL25Z.cpp +++ /dev/null @@ -1,557 +0,0 @@ -/* Copyright (c) 2010-2011 mbed.org, MIT License -* -* Permission is hereby granted, free of charge, to any person obtaining a copy of this software -* and associated documentation files (the "Software"), to deal in the Software without -* restriction, including without limitation the rights to use, copy, modify, merge, publish, -* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the -* Software is furnished to do so, subject to the following conditions: -* -* The above copyright notice and this permission notice shall be included in all copies or -* substantial portions of the Software. -* -* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING -* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND -* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -*/ - -#if defined(TARGET_KL25Z) | defined(TARGET_KL43Z) | defined(TARGET_KL46Z) | defined(TARGET_K20D50M) | defined(TARGET_K64F) | defined(TARGET_K22F) - -#include "USBHAL.h" - -USBHAL * USBHAL::instance; - -static volatile int epComplete = 0; - -// Convert physical endpoint number to register bit -#define EP(endpoint) (1<<(endpoint)) - -// Convert physical to logical -#define PHY_TO_LOG(endpoint) ((endpoint)>>1) - -// Get endpoint direction -#define IN_EP(endpoint) ((endpoint) & 1U ? true : false) -#define OUT_EP(endpoint) ((endpoint) & 1U ? false : true) - -#define BD_OWN_MASK (1<<7) -#define BD_DATA01_MASK (1<<6) -#define BD_KEEP_MASK (1<<5) -#define BD_NINC_MASK (1<<4) -#define BD_DTS_MASK (1<<3) -#define BD_STALL_MASK (1<<2) - -#define TX 1 -#define RX 0 -#define ODD 0 -#define EVEN 1 -// this macro waits a physical endpoint number -#define EP_BDT_IDX(ep, dir, odd) (((ep * 4) + (2 * dir) + (1 * odd))) - -#define SETUP_TOKEN 0x0D -#define IN_TOKEN 0x09 -#define OUT_TOKEN 0x01 -#define TOK_PID(idx) ((bdt[idx].info >> 2) & 0x0F) - -// for each endpt: 8 bytes -typedef struct BDT { - uint8_t info; // BD[0:7] - uint8_t dummy; // RSVD: BD[8:15] - uint16_t byte_count; // BD[16:32] - uint32_t address; // Addr -} BDT; - - -// there are: -// * 16 bidirectionnal endpt -> 32 physical endpt -// * as there are ODD and EVEN buffer -> 32*2 bdt -__attribute__((__aligned__(512))) BDT bdt[NUMBER_OF_PHYSICAL_ENDPOINTS * 2]; -uint8_t * endpoint_buffer[(NUMBER_OF_PHYSICAL_ENDPOINTS - 2) * 2]; -uint8_t * endpoint_buffer_iso[2*2]; - -static uint8_t set_addr = 0; -static uint8_t addr = 0; - -static uint32_t Data1 = 0x55555555; - -static uint32_t frameNumber() { - return((USB0->FRMNUML | (USB0->FRMNUMH << 8)) & 0x07FF); -} - -uint32_t USBHAL::endpointReadcore(uint8_t endpoint, uint8_t *buffer) { - return 0; -} - -USBHAL::USBHAL(void) { - // Disable IRQ - NVIC_DisableIRQ(USB0_IRQn); - -#if defined(TARGET_K64F) - MPU->CESR=0; -#endif - // fill in callback array - epCallback[0] = &USBHAL::EP1_OUT_callback; - epCallback[1] = &USBHAL::EP1_IN_callback; - epCallback[2] = &USBHAL::EP2_OUT_callback; - epCallback[3] = &USBHAL::EP2_IN_callback; - epCallback[4] = &USBHAL::EP3_OUT_callback; - epCallback[5] = &USBHAL::EP3_IN_callback; - epCallback[6] = &USBHAL::EP4_OUT_callback; - epCallback[7] = &USBHAL::EP4_IN_callback; - epCallback[8] = &USBHAL::EP5_OUT_callback; - epCallback[9] = &USBHAL::EP5_IN_callback; - epCallback[10] = &USBHAL::EP6_OUT_callback; - epCallback[11] = &USBHAL::EP6_IN_callback; - epCallback[12] = &USBHAL::EP7_OUT_callback; - epCallback[13] = &USBHAL::EP7_IN_callback; - epCallback[14] = &USBHAL::EP8_OUT_callback; - epCallback[15] = &USBHAL::EP8_IN_callback; - epCallback[16] = &USBHAL::EP9_OUT_callback; - epCallback[17] = &USBHAL::EP9_IN_callback; - epCallback[18] = &USBHAL::EP10_OUT_callback; - epCallback[19] = &USBHAL::EP10_IN_callback; - epCallback[20] = &USBHAL::EP11_OUT_callback; - epCallback[21] = &USBHAL::EP11_IN_callback; - epCallback[22] = &USBHAL::EP12_OUT_callback; - epCallback[23] = &USBHAL::EP12_IN_callback; - epCallback[24] = &USBHAL::EP13_OUT_callback; - epCallback[25] = &USBHAL::EP13_IN_callback; - epCallback[26] = &USBHAL::EP14_OUT_callback; - epCallback[27] = &USBHAL::EP14_IN_callback; - epCallback[28] = &USBHAL::EP15_OUT_callback; - epCallback[29] = &USBHAL::EP15_IN_callback; - -#if defined(TARGET_KL43Z) - // enable USBFS clock - SIM->SCGC4 |= SIM_SCGC4_USBFS_MASK; - - // enable the IRC48M clock - USB0->CLK_RECOVER_IRC_EN |= USB_CLK_RECOVER_IRC_EN_IRC_EN_MASK; - - // enable the USB clock recovery tuning - USB0->CLK_RECOVER_CTRL |= USB_CLK_RECOVER_CTRL_CLOCK_RECOVER_EN_MASK; - - // choose usb src clock - SIM->SOPT2 |= SIM_SOPT2_USBSRC_MASK; -#elif defined(TARGET_INFINITY) - // USB clock source: FLL - SIM->SOPT2 |= SIM_SOPT2_USBSRC_MASK; - - // enable OTG clock - SIM->SCGC4 |= SIM_SCGC4_USBOTG_MASK; -#else - // choose usb src as PLL - SIM->SOPT2 &= ~SIM_SOPT2_PLLFLLSEL_MASK; - SIM->SOPT2 |= (SIM_SOPT2_USBSRC_MASK | (1 << SIM_SOPT2_PLLFLLSEL_SHIFT)); - - // enable OTG clock - SIM->SCGC4 |= SIM_SCGC4_USBOTG_MASK; -#endif - - // Attach IRQ - instance = this; - NVIC_SetVector(USB0_IRQn, (uint32_t)&_usbisr); - NVIC_EnableIRQ(USB0_IRQn); - - // USB Module Configuration - // Reset USB Module - USB0->USBTRC0 |= USB_USBTRC0_USBRESET_MASK; - while(USB0->USBTRC0 & USB_USBTRC0_USBRESET_MASK); - - // Set BDT Base Register - USB0->BDTPAGE1 = (uint8_t)((uint32_t)bdt>>8); - USB0->BDTPAGE2 = (uint8_t)((uint32_t)bdt>>16); - USB0->BDTPAGE3 = (uint8_t)((uint32_t)bdt>>24); - - // Clear interrupt flag - USB0->ISTAT = 0xff; - - // USB Interrupt Enablers - USB0->INTEN |= USB_INTEN_TOKDNEEN_MASK | - USB_INTEN_SOFTOKEN_MASK | - USB_INTEN_ERROREN_MASK | - USB_INTEN_USBRSTEN_MASK; - - // Disable weak pull downs - USB0->USBCTRL &= ~(USB_USBCTRL_PDE_MASK | USB_USBCTRL_SUSP_MASK); - - USB0->USBTRC0 |= 0x40; -} - -USBHAL::~USBHAL(void) { } - -void USBHAL::connect(void) { - // enable USB - USB0->CTL |= USB_CTL_USBENSOFEN_MASK; - // Pull up enable - USB0->CONTROL |= USB_CONTROL_DPPULLUPNONOTG_MASK; -} - -void USBHAL::disconnect(void) { - // disable USB - USB0->CTL &= ~USB_CTL_USBENSOFEN_MASK; - // Pull up disable - USB0->CONTROL &= ~USB_CONTROL_DPPULLUPNONOTG_MASK; - - //Free buffers if required: - for (int i = 0; i<(NUMBER_OF_PHYSICAL_ENDPOINTS - 2) * 2; i++) { - free(endpoint_buffer[i]); - endpoint_buffer[i] = NULL; - } - free(endpoint_buffer_iso[2]); - endpoint_buffer_iso[2] = NULL; - free(endpoint_buffer_iso[0]); - endpoint_buffer_iso[0] = NULL; -} - -void USBHAL::configureDevice(void) { - // not needed -} - -void USBHAL::unconfigureDevice(void) { - // not needed -} - -void USBHAL::setAddress(uint8_t address) { - // we don't set the address now otherwise the usb controller does not ack - // we set a flag instead - // see usbisr when an IN token is received - set_addr = 1; - addr = address; -} - -bool USBHAL::realiseEndpoint(uint8_t endpoint, uint32_t maxPacket, uint32_t flags) { - uint32_t handshake_flag = 0; - uint8_t * buf; - - if (endpoint > NUMBER_OF_PHYSICAL_ENDPOINTS - 1) { - return false; - } - - uint32_t log_endpoint = PHY_TO_LOG(endpoint); - - if ((flags & ISOCHRONOUS) == 0) { - handshake_flag = USB_ENDPT_EPHSHK_MASK; - if (IN_EP(endpoint)) { - if (endpoint_buffer[EP_BDT_IDX(log_endpoint, TX, ODD)] == NULL) - endpoint_buffer[EP_BDT_IDX(log_endpoint, TX, ODD)] = (uint8_t *) malloc (64*2); - buf = &endpoint_buffer[EP_BDT_IDX(log_endpoint, TX, ODD)][0]; - } else { - if (endpoint_buffer[EP_BDT_IDX(log_endpoint, RX, ODD)] == NULL) - endpoint_buffer[EP_BDT_IDX(log_endpoint, RX, ODD)] = (uint8_t *) malloc (64*2); - buf = &endpoint_buffer[EP_BDT_IDX(log_endpoint, RX, ODD)][0]; - } - } else { - if (IN_EP(endpoint)) { - if (endpoint_buffer_iso[2] == NULL) - endpoint_buffer_iso[2] = (uint8_t *) malloc (1023*2); - buf = &endpoint_buffer_iso[2][0]; - } else { - if (endpoint_buffer_iso[0] == NULL) - endpoint_buffer_iso[0] = (uint8_t *) malloc (1023*2); - buf = &endpoint_buffer_iso[0][0]; - } - } - - // IN endpt -> device to host (TX) - if (IN_EP(endpoint)) { - USB0->ENDPOINT[log_endpoint].ENDPT |= handshake_flag | // ep handshaking (not if iso endpoint) - USB_ENDPT_EPTXEN_MASK; // en TX (IN) tran - bdt[EP_BDT_IDX(log_endpoint, TX, ODD )].address = (uint32_t) buf; - bdt[EP_BDT_IDX(log_endpoint, TX, EVEN)].address = 0; - } - // OUT endpt -> host to device (RX) - else { - USB0->ENDPOINT[log_endpoint].ENDPT |= handshake_flag | // ep handshaking (not if iso endpoint) - USB_ENDPT_EPRXEN_MASK; // en RX (OUT) tran. - bdt[EP_BDT_IDX(log_endpoint, RX, ODD )].byte_count = maxPacket; - bdt[EP_BDT_IDX(log_endpoint, RX, ODD )].address = (uint32_t) buf; - bdt[EP_BDT_IDX(log_endpoint, RX, ODD )].info = BD_OWN_MASK | BD_DTS_MASK; - bdt[EP_BDT_IDX(log_endpoint, RX, EVEN)].info = 0; - } - - Data1 |= (1 << endpoint); - - return true; -} - -// read setup packet -void USBHAL::EP0setup(uint8_t *buffer) { - uint32_t sz; - endpointReadResult(EP0OUT, buffer, &sz); -} - -void USBHAL::EP0readStage(void) { - Data1 &= ~1UL; // set DATA0 - bdt[0].info = (BD_DTS_MASK | BD_OWN_MASK); -} - -void USBHAL::EP0read(void) { - uint32_t idx = EP_BDT_IDX(PHY_TO_LOG(EP0OUT), RX, 0); - bdt[idx].byte_count = MAX_PACKET_SIZE_EP0; -} - -uint32_t USBHAL::EP0getReadResult(uint8_t *buffer) { - uint32_t sz; - endpointReadResult(EP0OUT, buffer, &sz); - return sz; -} - -void USBHAL::EP0write(uint8_t *buffer, uint32_t size) { - endpointWrite(EP0IN, buffer, size); -} - -void USBHAL::EP0getWriteResult(void) { -} - -void USBHAL::EP0stall(void) { - stallEndpoint(EP0OUT); -} - -EP_STATUS USBHAL::endpointRead(uint8_t endpoint, uint32_t maximumSize) { - endpoint = PHY_TO_LOG(endpoint); - uint32_t idx = EP_BDT_IDX(endpoint, RX, 0); - bdt[idx].byte_count = maximumSize; - return EP_PENDING; -} - -EP_STATUS USBHAL::endpointReadResult(uint8_t endpoint, uint8_t * buffer, uint32_t *bytesRead) { - uint32_t n, sz, idx, setup = 0; - uint8_t not_iso; - uint8_t * ep_buf; - - uint32_t log_endpoint = PHY_TO_LOG(endpoint); - - if (endpoint > NUMBER_OF_PHYSICAL_ENDPOINTS - 1) { - return EP_INVALID; - } - - // if read on a IN endpoint -> error - if (IN_EP(endpoint)) { - return EP_INVALID; - } - - idx = EP_BDT_IDX(log_endpoint, RX, 0); - sz = bdt[idx].byte_count; - not_iso = USB0->ENDPOINT[log_endpoint].ENDPT & USB_ENDPT_EPHSHK_MASK; - - //for isochronous endpoint, we don't wait an interrupt - if ((log_endpoint != 0) && not_iso && !(epComplete & EP(endpoint))) { - return EP_PENDING; - } - - if ((log_endpoint == 0) && (TOK_PID(idx) == SETUP_TOKEN)) { - setup = 1; - } - - // non iso endpoint - if (not_iso) { - ep_buf = endpoint_buffer[idx]; - } else { - ep_buf = endpoint_buffer_iso[0]; - } - - for (n = 0; n < sz; n++) { - buffer[n] = ep_buf[n]; - } - - if (((Data1 >> endpoint) & 1) == ((bdt[idx].info >> 6) & 1)) { - if (setup && (buffer[6] == 0)) // if no setup data stage, - Data1 &= ~1UL; // set DATA0 - else - Data1 ^= (1 << endpoint); - } - - if (((Data1 >> endpoint) & 1)) { - bdt[idx].info = BD_DTS_MASK | BD_DATA01_MASK | BD_OWN_MASK; - } - else { - bdt[idx].info = BD_DTS_MASK | BD_OWN_MASK; - } - - USB0->CTL &= ~USB_CTL_TXSUSPENDTOKENBUSY_MASK; - *bytesRead = sz; - - epComplete &= ~EP(endpoint); - return EP_COMPLETED; -} - -EP_STATUS USBHAL::endpointWrite(uint8_t endpoint, uint8_t *data, uint32_t size) { - uint32_t idx, n; - uint8_t * ep_buf; - - if (endpoint > NUMBER_OF_PHYSICAL_ENDPOINTS - 1) { - return EP_INVALID; - } - - // if write on a OUT endpoint -> error - if (OUT_EP(endpoint)) { - return EP_INVALID; - } - - idx = EP_BDT_IDX(PHY_TO_LOG(endpoint), TX, 0); - bdt[idx].byte_count = size; - - - // non iso endpoint - if (USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT & USB_ENDPT_EPHSHK_MASK) { - ep_buf = endpoint_buffer[idx]; - } else { - ep_buf = endpoint_buffer_iso[2]; - } - - for (n = 0; n < size; n++) { - ep_buf[n] = data[n]; - } - - if ((Data1 >> endpoint) & 1) { - bdt[idx].info = BD_OWN_MASK | BD_DTS_MASK; - } else { - bdt[idx].info = BD_OWN_MASK | BD_DTS_MASK | BD_DATA01_MASK; - } - - Data1 ^= (1 << endpoint); - - return EP_PENDING; -} - -EP_STATUS USBHAL::endpointWriteResult(uint8_t endpoint) { - if (epComplete & EP(endpoint)) { - epComplete &= ~EP(endpoint); - return EP_COMPLETED; - } - - return EP_PENDING; -} - -void USBHAL::stallEndpoint(uint8_t endpoint) { - USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT |= USB_ENDPT_EPSTALL_MASK; -} - -void USBHAL::unstallEndpoint(uint8_t endpoint) { - USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT &= ~USB_ENDPT_EPSTALL_MASK; -} - -bool USBHAL::getEndpointStallState(uint8_t endpoint) { - uint8_t stall = (USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT & USB_ENDPT_EPSTALL_MASK); - return (stall) ? true : false; -} - -void USBHAL::remoteWakeup(void) { - // [TODO] -} - - -void USBHAL::_usbisr(void) { - instance->usbisr(); -} - - -void USBHAL::usbisr(void) { - uint8_t i; - uint8_t istat = USB0->ISTAT; - - // reset interrupt - if (istat & USB_ISTAT_USBRST_MASK) { - // disable all endpt - for(i = 0; i < 16; i++) { - USB0->ENDPOINT[i].ENDPT = 0x00; - } - - // enable control endpoint - realiseEndpoint(EP0OUT, MAX_PACKET_SIZE_EP0, 0); - realiseEndpoint(EP0IN, MAX_PACKET_SIZE_EP0, 0); - - Data1 = 0x55555555; - USB0->CTL |= USB_CTL_ODDRST_MASK; - - USB0->ISTAT = 0xFF; // clear all interrupt status flags - USB0->ERRSTAT = 0xFF; // clear all error flags - USB0->ERREN = 0xFF; // enable error interrupt sources - USB0->ADDR = 0x00; // set default address - - return; - } - - // resume interrupt - if (istat & USB_ISTAT_RESUME_MASK) { - USB0->ISTAT = USB_ISTAT_RESUME_MASK; - } - - // SOF interrupt - if (istat & USB_ISTAT_SOFTOK_MASK) { - USB0->ISTAT = USB_ISTAT_SOFTOK_MASK; - // SOF event, read frame number - SOF(frameNumber()); - } - - // stall interrupt - if (istat & 1<<7) { - if (USB0->ENDPOINT[0].ENDPT & USB_ENDPT_EPSTALL_MASK) - USB0->ENDPOINT[0].ENDPT &= ~USB_ENDPT_EPSTALL_MASK; - USB0->ISTAT |= USB_ISTAT_STALL_MASK; - } - - // token interrupt - if (istat & 1<<3) { - uint32_t num = (USB0->STAT >> 4) & 0x0F; - uint32_t dir = (USB0->STAT >> 3) & 0x01; - uint32_t ev_odd = (USB0->STAT >> 2) & 0x01; - - // setup packet - if ((num == 0) && (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == SETUP_TOKEN)) { - Data1 &= ~0x02; - bdt[EP_BDT_IDX(0, TX, EVEN)].info &= ~BD_OWN_MASK; - bdt[EP_BDT_IDX(0, TX, ODD)].info &= ~BD_OWN_MASK; - - // EP0 SETUP event (SETUP data received) - EP0setupCallback(); - - } else { - // OUT packet - if (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == OUT_TOKEN) { - if (num == 0) - EP0out(); - else { - epComplete |= (1 << EP(num)); - if ((instance->*(epCallback[EP(num) - 2]))()) { - epComplete &= ~(1 << EP(num)); - } - } - } - - // IN packet - if (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == IN_TOKEN) { - if (num == 0) { - EP0in(); - if (set_addr == 1) { - USB0->ADDR = addr & 0x7F; - set_addr = 0; - } - } - else { - epComplete |= (1 << (EP(num) + 1)); - if ((instance->*(epCallback[EP(num) + 1 - 2]))()) { - epComplete &= ~(1 << (EP(num) + 1)); - } - } - } - } - - USB0->ISTAT = USB_ISTAT_TOKDNE_MASK; - } - - // sleep interrupt - if (istat & 1<<4) { - USB0->ISTAT |= USB_ISTAT_SLEEP_MASK; - } - - // error interrupt - if (istat & USB_ISTAT_ERROR_MASK) { - USB0->ERRSTAT = 0xFF; - USB0->ISTAT |= USB_ISTAT_ERROR_MASK; - } -} - - -#endif diff --git a/keyboard/infinity/mbed-infinity/cmsis_nvic.c b/keyboard/infinity/mbed-infinity/cmsis_nvic.c deleted file mode 100644 index 985c1d33f5..0000000000 --- a/keyboard/infinity/mbed-infinity/cmsis_nvic.c +++ /dev/null @@ -1,55 +0,0 @@ -/* mbed Microcontroller Library - * CMSIS-style functionality to support dynamic vectors - ******************************************************************************* - * Copyright (c) 2011 ARM Limited. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of ARM Limited nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ******************************************************************************* - */ -#include "cmsis_nvic.h" - -#define NVIC_RAM_VECTOR_ADDRESS (0x1FFFE000) // Vectors positioned at start of RAM -#define NVIC_FLASH_VECTOR_ADDRESS (0x1000) // Initial vector position in flash - -void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) { - uint32_t *vectors = (uint32_t*)SCB->VTOR; - uint32_t i; - - // Copy and switch to dynamic vectors if the first time called - if (SCB->VTOR == NVIC_FLASH_VECTOR_ADDRESS) { - uint32_t *old_vectors = vectors; - vectors = (uint32_t*)NVIC_RAM_VECTOR_ADDRESS; - for (i=0; i<NVIC_NUM_VECTORS; i++) { - vectors[i] = old_vectors[i]; - } - SCB->VTOR = (uint32_t)NVIC_RAM_VECTOR_ADDRESS; - } - vectors[IRQn + 16] = vector; -} - -uint32_t NVIC_GetVector(IRQn_Type IRQn) { - uint32_t *vectors = (uint32_t*)SCB->VTOR; - return vectors[IRQn + 16]; -} diff --git a/keyboard/infinity/mbed-infinity/infinity.ld b/keyboard/infinity/mbed-infinity/infinity.ld deleted file mode 100644 index decdaa26e0..0000000000 --- a/keyboard/infinity/mbed-infinity/infinity.ld +++ /dev/null @@ -1,156 +0,0 @@ -/* - * Linker script for Massdrop Infinity - * Infinity has bootloader in top 4KB sector of flash and app should be placed after the area. - * - * based on mbed.org K20 ARM GCC linker script file: MK20D5.ld - */ - -MEMORY -{ - /* Infinity blootloader uses 4KB */ - FLASH (rx) : ORIGIN = 4K, LENGTH = 128K - 4K - RAM (rwx) : ORIGIN = 0x1FFFE0F8, LENGTH = 16K - 0xF8 -} - -/* Linker script to place sections and symbol values. Should be used together - * with other linker script that defines memory regions FLASH and RAM. - * It references following symbols, which must be defined in code: - * _reset_init : Entry of reset handler - * - * It defines following symbols, which code can use without definition: - * __exidx_start - * __exidx_end - * __etext - * __data_start__ - * __preinit_array_start - * __preinit_array_end - * __init_array_start - * __init_array_end - * __fini_array_start - * __fini_array_end - * __data_end__ - * __bss_start__ - * __bss_end__ - * __end__ - * end - * __HeapLimit - * __StackLimit - * __StackTop - * __stack - */ -ENTRY(Reset_Handler) - -SECTIONS -{ - .text : - { - __vector_table = .; - KEEP(*(.isr_vector)) - *(.text.Reset_Handler) - *(.text.System_Init) - . = ALIGN(4); - - *(.text*) - - KEEP(*(.init)) - KEEP(*(.fini)) - - /* .ctors */ - *crtbegin.o(.ctors) - *crtbegin?.o(.ctors) - *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) - *(SORT(.ctors.*)) - *(.ctors) - - /* .dtors */ - *crtbegin.o(.dtors) - *crtbegin?.o(.dtors) - *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) - *(SORT(.dtors.*)) - *(.dtors) - - *(.rodata*) - - KEEP(*(.eh_frame*)) - } > FLASH - - .ARM.extab : - { - *(.ARM.extab* .gnu.linkonce.armextab.*) - } > FLASH - - __exidx_start = .; - .ARM.exidx : - { - *(.ARM.exidx* .gnu.linkonce.armexidx.*) - } > FLASH - __exidx_end = .; - - __etext = .; - - .data : AT (__etext) - { - __data_start__ = .; - *(vtable) - *(.data*) - - . = ALIGN(4); - /* preinit data */ - PROVIDE_HIDDEN (__preinit_array_start = .); - KEEP(*(.preinit_array)) - PROVIDE_HIDDEN (__preinit_array_end = .); - - . = ALIGN(4); - /* init data */ - PROVIDE_HIDDEN (__init_array_start = .); - KEEP(*(SORT(.init_array.*))) - KEEP(*(.init_array)) - PROVIDE_HIDDEN (__init_array_end = .); - - - . = ALIGN(4); - /* finit data */ - PROVIDE_HIDDEN (__fini_array_start = .); - KEEP(*(SORT(.fini_array.*))) - KEEP(*(.fini_array)) - PROVIDE_HIDDEN (__fini_array_end = .); - - . = ALIGN(4); - /* All data end */ - __data_end__ = .; - - } > RAM - - .bss : - { - __bss_start__ = .; - *(.bss*) - *(COMMON) - __bss_end__ = .; - } > RAM - - .heap : - { - __end__ = .; - end = __end__; - *(.heap*) - __HeapLimit = .; - } > RAM - - /* .stack_dummy section doesn't contains any symbols. It is only - * used for linker to calculate size of stack sections, and assign - * values to stack symbols later */ - .stack_dummy : - { - *(.stack) - } > RAM - - /* Set stack top to end of RAM, and stack limit move down by - * size of stack_dummy section */ - __StackTop = ORIGIN(RAM) + LENGTH(RAM); - __StackLimit = __StackTop - SIZEOF(.stack_dummy); - PROVIDE(__stack = __StackTop); - - /* Check if data + heap + stack exceeds RAM limit */ - ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") -} diff --git a/keyboard/infinity/mbed-infinity/startup_MK20D5.s b/keyboard/infinity/mbed-infinity/startup_MK20D5.s deleted file mode 100644 index 7a8d7ba45a..0000000000 --- a/keyboard/infinity/mbed-infinity/startup_MK20D5.s +++ /dev/null @@ -1,259 +0,0 @@ -/* File: startup_MK20D5.s - * Purpose: startup file for Cortex-M4 devices. Should use with - * GCC for ARM Embedded Processors - * Version: V1.3 - * Date: 08 Feb 2012 - * - * Copyright (c) 2012, ARM Limited - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the ARM Limited nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL ARM LIMITED BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - .syntax unified - .arch armv7-m - - .section .stack - .align 3 -#ifdef __STACK_SIZE - .equ Stack_Size, __STACK_SIZE -#else - .equ Stack_Size, 0x400 -#endif - .globl __StackTop - .globl __StackLimit -__StackLimit: - .space Stack_Size - .size __StackLimit, . - __StackLimit -__StackTop: - .size __StackTop, . - __StackTop - - .section .heap - .align 3 -#ifdef __HEAP_SIZE - .equ Heap_Size, __HEAP_SIZE -#else - .equ Heap_Size, 0xC00 -#endif - .globl __HeapBase - .globl __HeapLimit -__HeapBase: - .if Heap_Size - .space Heap_Size - .endif - .size __HeapBase, . - __HeapBase -__HeapLimit: - .size __HeapLimit, . - __HeapLimit - - .section .isr_vector - .align 2 - .globl __isr_vector -__isr_vector: - .long __StackTop /* Top of Stack */ - .long Reset_Handler /* Reset Handler */ - .long NMI_Handler /* NMI Handler */ - .long HardFault_Handler /* Hard Fault Handler */ - .long MemManage_Handler /* MPU Fault Handler */ - .long BusFault_Handler /* Bus Fault Handler */ - .long UsageFault_Handler /* Usage Fault Handler */ - .long 0 /* Reserved */ - .long 0 /* Reserved */ - .long 0 /* Reserved */ - .long 0 /* Reserved */ - .long SVC_Handler /* SVCall Handler */ - .long DebugMon_Handler /* Debug Monitor Handler */ - .long 0 /* Reserved */ - .long PendSV_Handler /* PendSV Handler */ - .long SysTick_Handler /* SysTick Handler */ - - /* External interrupts */ - .long DMA0_IRQHandler /* 0: Watchdog Timer */ - .long DMA1_IRQHandler /* 1: Real Time Clock */ - .long DMA2_IRQHandler /* 2: Timer0 / Timer1 */ - .long DMA3_IRQHandler /* 3: Timer2 / Timer3 */ - .long DMA_Error_IRQHandler /* 4: MCIa */ - .long 0 /* 5: MCIb */ - .long FTFL_IRQHandler /* 6: UART0 - DUT FPGA */ - .long Read_Collision_IRQHandler /* 7: UART1 - DUT FPGA */ - .long LVD_LVW_IRQHandler /* 8: UART2 - DUT FPGA */ - .long LLW_IRQHandler /* 9: UART4 - not connected */ - .long Watchdog_IRQHandler /* 10: AACI / AC97 */ - .long I2C0_IRQHandler /* 11: CLCD Combined Interrupt */ - .long SPI0_IRQHandler /* 12: Ethernet */ - .long I2S0_Tx_IRQHandler /* 13: USB Device */ - .long I2S0_Rx_IRQHandler /* 14: USB Host Controller */ - .long UART0_LON_IRQHandler /* 15: Character LCD */ - .long UART0_RX_TX_IRQHandler /* 16: Flexray */ - .long UART0_ERR_IRQHandler /* 17: CAN */ - .long UART1_RX_TX_IRQHandler /* 18: LIN */ - .long UART1_ERR_IRQHandler /* 19: I2C ADC/DAC */ - .long UART2_RX_TX_IRQHandler /* 20: Reserved */ - .long UART2_ERR_IRQHandler /* 21: Reserved */ - .long ADC0_IRQHandler /* 22: Reserved */ - .long CMP0_IRQHandler /* 23: Reserved */ - .long CMP1_IRQHandler /* 24: Reserved */ - .long FTM0_IRQHandler /* 25: Reserved */ - .long FTM1_IRQHandler /* 26: Reserved */ - .long CMT_IRQHandler /* 27: Reserved */ - .long RTC_IRQHandler /* 28: Reserved - CPU FPGA CLCD */ - .long RTC_Seconds_IRQHandler /* 29: Reserved - CPU FPGA */ - .long PIT0_IRQHandler /* 30: UART3 - CPU FPGA */ - .long PIT1_IRQHandler /* 31: SPI Touchscreen - CPU FPGA */ - .long PIT2_IRQHandler - .long PIT3_IRQHandler - .long PDB0_IRQHandler - .long USB0_IRQHandler - .long USBDCD_IRQHandler - .long TSI0_IRQHandler - .long MCG_IRQHandler - .long LPTimer_IRQHandler - .long PORTA_IRQHandler - .long PORTB_IRQHandler - .long PORTC_IRQHandler - .long PORTD_IRQHandler - .long PORTE_IRQHandler - .long SWI_IRQHandler - .size __isr_vector, . - __isr_vector - - .section .text.Reset_Handler - .thumb - .thumb_func - .align 2 - .globl Reset_Handler - .type Reset_Handler, %function -Reset_Handler: -/* Loop to copy data from read only memory to RAM. The ranges - * of copy from/to are specified by following symbols evaluated in - * linker script. - * __etext: End of code section, i.e., begin of data sections to copy from. - * __data_start__/__data_end__: RAM address range that data should be - * copied to. Both must be aligned to 4 bytes boundary. */ - ldr r0, =SystemInit - blx r0 - - ldr r1, =__etext - ldr r2, =__data_start__ - ldr r3, =__data_end__ - -.Lflash_to_ram_loop: - cmp r2, r3 - ittt lt - ldrlt r0, [r1], #4 - strlt r0, [r2], #4 - blt .Lflash_to_ram_loop - -.Lflash_to_ram_loop_end: - - ldr r0, =_start - bx r0 - .pool - .size Reset_Handler, . - Reset_Handler - - .text -/* Macro to define default handlers. Default handler - * will be weak symbol and just dead loops. They can be - * overwritten by other handlers */ - .macro def_default_handler handler_name - .align 1 - .thumb_func - .weak \handler_name - .type \handler_name, %function -\handler_name : - b . - .size \handler_name, . - \handler_name - .endm - - def_default_handler NMI_Handler - def_default_handler HardFault_Handler - def_default_handler MemManage_Handler - def_default_handler BusFault_Handler - def_default_handler UsageFault_Handler - def_default_handler SVC_Handler - def_default_handler DebugMon_Handler - def_default_handler PendSV_Handler - def_default_handler SysTick_Handler - def_default_handler Default_Handler - - .macro def_irq_default_handler handler_name - .weak \handler_name - .set \handler_name, Default_Handler - .endm - - def_irq_default_handler DMA0_IRQHandler - def_irq_default_handler DMA1_IRQHandler - def_irq_default_handler DMA2_IRQHandler - def_irq_default_handler DMA3_IRQHandler - def_irq_default_handler DMA_Error_IRQHandler - def_irq_default_handler FTFL_IRQHandler - def_irq_default_handler Read_Collision_IRQHandler - def_irq_default_handler LVD_LVW_IRQHandler - def_irq_default_handler LLW_IRQHandler - def_irq_default_handler Watchdog_IRQHandler - def_irq_default_handler I2C0_IRQHandler - def_irq_default_handler SPI0_IRQHandler - def_irq_default_handler I2S0_Tx_IRQHandler - def_irq_default_handler I2S0_Rx_IRQHandler - def_irq_default_handler UART0_LON_IRQHandler - def_irq_default_handler UART0_RX_TX_IRQHandler - def_irq_default_handler UART0_ERR_IRQHandler - def_irq_default_handler UART1_RX_TX_IRQHandler - def_irq_default_handler UART1_ERR_IRQHandler - def_irq_default_handler UART2_RX_TX_IRQHandler - def_irq_default_handler UART2_ERR_IRQHandler - def_irq_default_handler ADC0_IRQHandler - def_irq_default_handler CMP0_IRQHandler - def_irq_default_handler CMP1_IRQHandler - def_irq_default_handler FTM0_IRQHandler - def_irq_default_handler FTM1_IRQHandler - def_irq_default_handler CMT_IRQHandler - def_irq_default_handler RTC_IRQHandler - def_irq_default_handler RTC_Seconds_IRQHandler - def_irq_default_handler PIT0_IRQHandler - def_irq_default_handler PIT1_IRQHandler - def_irq_default_handler PIT2_IRQHandler - def_irq_default_handler PIT3_IRQHandler - def_irq_default_handler PDB0_IRQHandler - def_irq_default_handler USB0_IRQHandler - def_irq_default_handler USBDCD_IRQHandler - def_irq_default_handler TSI0_IRQHandler - def_irq_default_handler MCG_IRQHandler - def_irq_default_handler LPTimer_IRQHandler - def_irq_default_handler PORTA_IRQHandler - def_irq_default_handler PORTB_IRQHandler - def_irq_default_handler PORTC_IRQHandler - def_irq_default_handler PORTD_IRQHandler - def_irq_default_handler PORTE_IRQHandler - def_irq_default_handler SWI_IRQHandler - def_irq_default_handler DEF_IRQHandler - -/* Flash protection region, placed at 0x400 */ - .text - .thumb - .align 2 - .section .kinetis_flash_config_field,"a",%progbits -kinetis_flash_config: - .long 0xffffffff - .long 0xffffffff - .long 0xffffffff - .long 0xfffffffe - - .end diff --git a/keyboard/infinity/mbed-infinity/system_MK20D5.c b/keyboard/infinity/mbed-infinity/system_MK20D5.c deleted file mode 100644 index 4f4e2a2624..0000000000 --- a/keyboard/infinity/mbed-infinity/system_MK20D5.c +++ /dev/null @@ -1,299 +0,0 @@ -/* -** ################################################################### -** Compilers: ARM Compiler -** Freescale C/C++ for Embedded ARM -** GNU C Compiler -** IAR ANSI C/C++ Compiler for ARM -** -** Reference manuals: K20P64M50SF0RM Rev. 1, Oct 2011 -** K20P32M50SF0RM Rev. 1, Oct 2011 -** K20P48M50SF0RM Rev. 1, Oct 2011 -** -** Version: rev. 1.0, 2011-12-15 -** -** Abstract: -** Provides a system configuration function and a global variable that -** contains the system frequency. It configures the device and initializes -** the oscillator (PLL) that is part of the microcontroller device. -** -** Copyright: 2011 Freescale Semiconductor, Inc. All Rights Reserved. -** -** http: www.freescale.com -** mail: support@freescale.com -** -** Revisions: -** - rev. 1.0 (2011-12-15) -** Initial version -** -** ################################################################### -*/ - -/** - * @file MK20D5 - * @version 1.0 - * @date 2011-12-15 - * @brief Device specific configuration file for MK20D5 (implementation file) - * - * Provides a system configuration function and a global variable that contains - * the system frequency. It configures the device and initializes the oscillator - * (PLL) that is part of the microcontroller device. - */ - -#include <stdint.h> -#include "MK20D5.h" - -#define DISABLE_WDOG 1 - -#define CLOCK_SETUP 3 -/* Predefined clock setups - 0 ... Multipurpose Clock Generator (MCG) in FLL Engaged Internal (FEI) mode - Reference clock source for MCG module is the slow internal clock source 32.768kHz - Core clock = 41.94MHz, BusClock = 41.94MHz - 1 ... Multipurpose Clock Generator (MCG) in PLL Engaged External (PEE) mode - Reference clock source for MCG module is an external crystal 8MHz - Core clock = 48MHz, BusClock = 48MHz - 2 ... Multipurpose Clock Generator (MCG) in Bypassed Low Power External (BLPE) mode - Core clock/Bus clock derived directly from an external crystal 8MHz with no multiplication - Core clock = 8MHz, BusClock = 8MHz -*/ - -/*---------------------------------------------------------------------------- - Define clock source values - *----------------------------------------------------------------------------*/ -#if (CLOCK_SETUP == 0) - #define CPU_XTAL_CLK_HZ 8000000u /* Value of the external crystal or oscillator clock frequency in Hz */ - #define CPU_XTAL32k_CLK_HZ 32768u /* Value of the external 32k crystal or oscillator clock frequency in Hz */ - #define CPU_INT_SLOW_CLK_HZ 32768u /* Value of the slow internal oscillator clock frequency in Hz */ - #define CPU_INT_FAST_CLK_HZ 4000000u /* Value of the fast internal oscillator clock frequency in Hz */ - #define DEFAULT_SYSTEM_CLOCK 41943040u /* Default System clock value */ -#elif (CLOCK_SETUP == 1) - #define CPU_XTAL_CLK_HZ 8000000u /* Value of the external crystal or oscillator clock frequency in Hz */ - #define CPU_XTAL32k_CLK_HZ 32768u /* Value of the external 32k crystal or oscillator clock frequency in Hz */ - #define CPU_INT_SLOW_CLK_HZ 32768u /* Value of the slow internal oscillator clock frequency in Hz */ - #define CPU_INT_FAST_CLK_HZ 4000000u /* Value of the fast internal oscillator clock frequency in Hz */ - #define DEFAULT_SYSTEM_CLOCK 48000000u /* Default System clock value */ -#elif (CLOCK_SETUP == 2) - #define CPU_XTAL_CLK_HZ 8000000u /* Value of the external crystal or oscillator clock frequency in Hz */ - #define CPU_XTAL32k_CLK_HZ 32768u /* Value of the external 32k crystal or oscillator clock frequency in Hz */ - #define CPU_INT_SLOW_CLK_HZ 32768u /* Value of the slow internal oscillator clock frequency in Hz */ - #define CPU_INT_FAST_CLK_HZ 4000000u /* Value of the fast internal oscillator clock frequency in Hz */ - #define DEFAULT_SYSTEM_CLOCK 8000000u /* Default System clock value */ -#elif (CLOCK_SETUP == 3) - /* for Infinity */ - #define CPU_XTAL_CLK_HZ 8000000u - #define CPU_XTAL32k_CLK_HZ 32768u - #define CPU_INT_SLOW_CLK_HZ 32768u - #define CPU_INT_FAST_CLK_HZ 4000000u - #define DEFAULT_SYSTEM_CLOCK 48000000u -#endif - - -/* ---------------------------------------------------------------------------- - -- Core clock - ---------------------------------------------------------------------------- */ - -uint32_t SystemCoreClock = DEFAULT_SYSTEM_CLOCK; - -/* ---------------------------------------------------------------------------- - -- SystemInit() - ---------------------------------------------------------------------------- */ - -void SystemInit (void) { -#if (DISABLE_WDOG) - /* Disable the WDOG module */ - /* WDOG_UNLOCK: WDOGUNLOCK=0xC520 */ - WDOG->UNLOCK = (uint16_t)0xC520u; /* Key 1 */ - /* WDOG_UNLOCK : WDOGUNLOCK=0xD928 */ - WDOG->UNLOCK = (uint16_t)0xD928u; /* Key 2 */ - /* WDOG_STCTRLH: ??=0,DISTESTWDOG=0,BYTESEL=0,TESTSEL=0,TESTWDOG=0,??=0,STNDBYEN=1,WAITEN=1,STOPEN=1,DBGEN=0,ALLOWUPDATE=1,WINEN=0,IRQRSTEN=0,CLKSRC=1,WDOGEN=0 */ - WDOG->STCTRLH = (uint16_t)0x01D2u; -#endif /* (DISABLE_WDOG) */ -#if (CLOCK_SETUP == 0) - /* SIM->CLKDIV1: OUTDIV1=0,OUTDIV2=0,OUTDIV3=1,OUTDIV4=1,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0 */ - SIM->CLKDIV1 = (uint32_t)0x00110000u; /* Update system prescalers */ - /* Switch to FEI Mode */ - /* MCG->C1: CLKS=0,FRDIV=0,IREFS=1,IRCLKEN=1,IREFSTEN=0 */ - MCG->C1 = (uint8_t)0x06u; - /* MCG->C2: ??=0,??=0,RANGE0=0,HGO=0,EREFS=0,LP=0,IRCS=0 */ - MCG->C2 = (uint8_t)0x00u; - /* MCG_C4: DMX32=0,DRST_DRS=1 */ - MCG->C4 = (uint8_t)((MCG->C4 & (uint8_t)~(uint8_t)0xC0u) | (uint8_t)0x20u); - /* MCG->C5: ??=0,PLLCLKEN=0,PLLSTEN=0,PRDIV0=0 */ - MCG->C5 = (uint8_t)0x00u; - /* MCG->C6: LOLIE=0,PLLS=0,CME=0,VDIV0=0 */ - MCG->C6 = (uint8_t)0x00u; - while((MCG->S & MCG_S_IREFST_MASK) == 0u) { /* Check that the source of the FLL reference clock is the internal reference clock. */ - } - while((MCG->S & 0x0Cu) != 0x00u) { /* Wait until output of the FLL is selected */ - } -#elif (CLOCK_SETUP == 1) - /* SIM->CLKDIV1: OUTDIV1=0,OUTDIV2=0,OUTDIV3=1,OUTDIV4=1,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0 */ - SIM->CLKDIV1 = (uint32_t)0x00110000u; /* Update system prescalers */ - /* Switch to FBE Mode */ - /* OSC0->CR: ERCLKEN=0,??=0,EREFSTEN=0,??=0,SC2P=0,SC4P=0,SC8P=0,SC16P=0 */ - OSC0->CR = (uint8_t)0x00u; - /* MCG->C7: OSCSEL=0 */ - MCG->C7 = (uint8_t)0x00u; - /* MCG->C2: ??=0,??=0,RANGE0=2,HGO=0,EREFS=1,LP=0,IRCS=0 */ - MCG->C2 = (uint8_t)0x24u; - /* MCG->C1: CLKS=2,FRDIV=3,IREFS=0,IRCLKEN=1,IREFSTEN=0 */ - MCG->C1 = (uint8_t)0x9Au; - /* MCG->C4: DMX32=0,DRST_DRS=0 */ - MCG->C4 &= (uint8_t)~(uint8_t)0xE0u; - /* MCG->C5: ??=0,PLLCLKEN=0,PLLSTEN=0,PRDIV0=3 */ - MCG->C5 = (uint8_t)0x03u; - /* MCG->C6: LOLIE=0,PLLS=0,CME=0,VDIV0=0 */ - MCG->C6 = (uint8_t)0x00u; - while((MCG->S & MCG_S_OSCINIT0_MASK) == 0u) { /* Check that the oscillator is running */ - } -#if 0 /* ARM: THIS CHECK IS REMOVED DUE TO BUG WITH SLOW IRC IN REV. 1.0 */ - while((MCG->S & MCG_S_IREFST_MASK) != 0u) { /* Check that the source of the FLL reference clock is the external reference clock. */ - } -#endif - while((MCG->S & 0x0Cu) != 0x08u) { /* Wait until external reference clock is selected as MCG output */ - } - /* Switch to PBE Mode */ - /* MCG_C5: ??=0,PLLCLKEN=0,PLLSTEN=0,PRDIV0=3 */ - MCG->C5 = (uint8_t)0x03u; - /* MCG->C6: LOLIE=0,PLLS=1,CME=0,VDIV0=0 */ - MCG->C6 = (uint8_t)0x40u; - while((MCG->S & MCG_S_PLLST_MASK) == 0u) { /* Wait until the source of the PLLS clock has switched to the PLL */ - } - while((MCG->S & MCG_S_LOCK0_MASK) == 0u) { /* Wait until locked */ - } - /* Switch to PEE Mode */ - /* MCG->C1: CLKS=0,FRDIV=3,IREFS=0,IRCLKEN=1,IREFSTEN=0 */ - MCG->C1 = (uint8_t)0x1Au; - while((MCG->S & 0x0Cu) != 0x0Cu) { /* Wait until output of the PLL is selected */ - } - while((MCG->S & MCG_S_LOCK0_MASK) == 0u) { /* Wait until locked */ - } -#elif (CLOCK_SETUP == 2) - /* SIM_CLKDIV1: OUTDIV1=0,OUTDIV2=0,OUTDIV3=1,OUTDIV4=1,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0 */ - SIM->CLKDIV1 = (uint32_t)0x00110000u; /* Update system prescalers */ - /* Switch to FBE Mode */ - /* OSC0->CR: ERCLKEN=0,??=0,EREFSTEN=0,??=0,SC2P=0,SC4P=0,SC8P=0,SC16P=0 */ - OSC0->CR = (uint8_t)0x00u; - /* MCG->C7: OSCSEL=0 */ - MCG->C7 = (uint8_t)0x00u; - /* MCG->C2: ??=0,??=0,RANGE0=2,HGO=0,EREFS=1,LP=0,IRCS=0 */ - MCG->C2 = (uint8_t)0x24u; - /* MCG->C1: CLKS=2,FRDIV=3,IREFS=0,IRCLKEN=1,IREFSTEN=0 */ - MCG->C1 = (uint8_t)0x9Au; - /* MCG->C4: DMX32=0,DRST_DRS=0 */ - MCG->C4 &= (uint8_t)~(uint8_t)0xE0u; - /* MCG->C5: ??=0,PLLCLKEN=0,PLLSTEN=0,PRDIV0=0 */ - MCG->C5 = (uint8_t)0x00u; - /* MCG->C6: LOLIE=0,PLLS=0,CME=0,VDIV0=0 */ - MCG->C6 = (uint8_t)0x00u; - while((MCG->S & MCG_S_OSCINIT0_MASK) == 0u) { /* Check that the oscillator is running */ - } -#if 0 /* ARM: THIS CHECK IS REMOVED DUE TO BUG WITH SLOW IRC IN REV. 1.0 */ - while((MCG->S & MCG_S_IREFST_MASK) != 0u) { /* Check that the source of the FLL reference clock is the external reference clock. */ - } -#endif - while((MCG->S & 0x0CU) != 0x08u) { /* Wait until external reference clock is selected as MCG output */ - } - /* Switch to BLPE Mode */ - /* MCG->C2: ??=0,??=0,RANGE0=2,HGO=0,EREFS=1,LP=0,IRCS=0 */ - MCG->C2 = (uint8_t)0x24u; - -#elif (CLOCK_SETUP == 3) - /* for Infinity FEI: 48MHz */ - - /* OUTDIV1(core/system): 48/1, OUTDIV2(bus): 48/1, OUTDIV4(flash): 48/2 */ - SIM->CLKDIV1 = SIM_CLKDIV1_OUTDIV1(0) | SIM_CLKDIV1_OUTDIV2(0) | SIM_CLKDIV1_OUTDIV4(1); - MCG->C1 = MCG_C1_IREFS_MASK | MCG_C1_IRCLKEN_MASK; - /* 32.768KHz x FLL(1464) = 48MHz */ - MCG->C4 = MCG_C4_DMX32_MASK | MCG_C4_DRST_DRS(1); - /* USB clock source: MCGPLLCLK/MCGFLLCLK */ - //SIM->SOPT2 = SIM_SOPT2_USBSRC_MASK | SIM_SOPT2_TRACECLKSEL_MASK; - - while((MCG->S & MCG_S_IREFST_MASK) == 0u) { } - while((MCG->S & 0x0Cu) != 0x00u) { } -#endif -} - -/* ---------------------------------------------------------------------------- - -- SystemCoreClockUpdate() - ---------------------------------------------------------------------------- */ - -void SystemCoreClockUpdate (void) { - uint32_t MCGOUTClock; /* Variable to store output clock frequency of the MCG module */ - uint8_t Divider; - - if ((MCG->C1 & MCG_C1_CLKS_MASK) == 0x0u) { - /* Output of FLL or PLL is selected */ - if ((MCG->C6 & MCG_C6_PLLS_MASK) == 0x0u) { - /* FLL is selected */ - if ((MCG->C1 & MCG_C1_IREFS_MASK) == 0x0u) { - /* External reference clock is selected */ - if ((MCG->C7 & MCG_C7_OSCSEL_MASK) == 0x0u) { - MCGOUTClock = CPU_XTAL_CLK_HZ; /* System oscillator drives MCG clock */ - } else { /* (!((MCG->C7 & MCG_C7_OSCSEL_MASK) == 0x0u)) */ - MCGOUTClock = CPU_XTAL32k_CLK_HZ; /* RTC 32 kHz oscillator drives MCG clock */ - } /* (!((MCG->C7 & MCG_C7_OSCSEL_MASK) == 0x0u)) */ - Divider = (uint8_t)(1u << ((MCG->C1 & MCG_C1_FRDIV_MASK) >> MCG_C1_FRDIV_SHIFT)); - MCGOUTClock = (MCGOUTClock / Divider); /* Calculate the divided FLL reference clock */ - if ((MCG->C2 & MCG_C2_RANGE0_MASK) != 0x0u) { - MCGOUTClock /= 32u; /* If high range is enabled, additional 32 divider is active */ - } /* ((MCG->C2 & MCG_C2_RANGE0_MASK) != 0x0u) */ - } else { /* (!((MCG->C1 & MCG_C1_IREFS_MASK) == 0x0u)) */ - MCGOUTClock = CPU_INT_SLOW_CLK_HZ; /* The slow internal reference clock is selected */ - } /* (!((MCG->C1 & MCG_C1_IREFS_MASK) == 0x0u)) */ - /* Select correct multiplier to calculate the MCG output clock */ - switch (MCG->C4 & (MCG_C4_DMX32_MASK | MCG_C4_DRST_DRS_MASK)) { - case 0x0u: - MCGOUTClock *= 640u; - break; - case 0x20u: - MCGOUTClock *= 1280u; - break; - case 0x40u: - MCGOUTClock *= 1920u; - break; - case 0x60u: - MCGOUTClock *= 2560u; - break; - case 0x80u: - MCGOUTClock *= 732u; - break; - case 0xA0u: - MCGOUTClock *= 1464u; - break; - case 0xC0u: - MCGOUTClock *= 2197u; - break; - case 0xE0u: - MCGOUTClock *= 2929u; - break; - default: - break; - } - } else { /* (!((MCG->C6 & MCG_C6_PLLS_MASK) == 0x0u)) */ - /* PLL is selected */ - Divider = (1u + (MCG->C5 & MCG_C5_PRDIV0_MASK)); - MCGOUTClock = (uint32_t)(CPU_XTAL_CLK_HZ / Divider); /* Calculate the PLL reference clock */ - Divider = ((MCG->C6 & MCG_C6_VDIV0_MASK) + 24u); - MCGOUTClock *= Divider; /* Calculate the MCG output clock */ - } /* (!((MCG->C6 & MCG_C6_PLLS_MASK) == 0x0u)) */ - } else if ((MCG->C1 & MCG_C1_CLKS_MASK) == 0x40u) { - /* Internal reference clock is selected */ - if ((MCG->C2 & MCG_C2_IRCS_MASK) == 0x0u) { - MCGOUTClock = CPU_INT_SLOW_CLK_HZ; /* Slow internal reference clock selected */ - } else { /* (!((MCG->C2 & MCG_C2_IRCS_MASK) == 0x0u)) */ - MCGOUTClock = CPU_INT_FAST_CLK_HZ / (1 << ((MCG->SC & MCG_SC_FCRDIV_MASK) >> MCG_SC_FCRDIV_SHIFT)); /* Fast internal reference clock selected */ - } /* (!((MCG->C2 & MCG_C2_IRCS_MASK) == 0x0u)) */ - } else if ((MCG->C1 & MCG_C1_CLKS_MASK) == 0x80u) { - /* External reference clock is selected */ - if ((MCG->C7 & MCG_C7_OSCSEL_MASK) == 0x0u) { - MCGOUTClock = CPU_XTAL_CLK_HZ; /* System oscillator drives MCG clock */ - } else { /* (!((MCG->C7 & MCG_C7_OSCSEL_MASK) == 0x0u)) */ - MCGOUTClock = CPU_XTAL32k_CLK_HZ; /* RTC 32 kHz oscillator drives MCG clock */ - } /* (!((MCG->C7 & MCG_C7_OSCSEL_MASK) == 0x0u)) */ - } else { /* (!((MCG->C1 & MCG_C1_CLKS_MASK) == 0x80u)) */ - /* Reserved value */ - return; - } /* (!((MCG->C1 & MCG_C1_CLKS_MASK) == 0x80u)) */ - SystemCoreClock = (MCGOUTClock / (1u + ((SIM->CLKDIV1 & SIM_CLKDIV1_OUTDIV1_MASK) >> SIM_CLKDIV1_OUTDIV1_SHIFT))); -} |