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portapack-mayhem/firmware/common/lpc43xx_cpp.hpp
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/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
*
* This file is part of PortaPack.
*
* 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
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __LPC43XX_CPP_H__
#define __LPC43XX_CPP_H__
#include <cstdint>
#include <hal.h>
#include "utility.hpp"
namespace lpc43xx {
#if defined(LPC43XX_M4)
namespace m4 {
static inline bool flag_saturation() {
return __get_APSR() & (1U << 27);
}
static inline void clear_flag_saturation() {
uint32_t flags = 1;
__asm volatile("MSR APSR_nzcvqg, %0"
:
: "r"(flags));
}
} /* namespace m4 */
#endif
namespace creg {
static_assert(offsetof(LPC_CREG_Type, CREG0) == 0x004, "CREG0 offset wrong");
static_assert(offsetof(LPC_CREG_Type, M4MEMMAP) == 0x100, "M4MEMMAP offset wrong");
static_assert(offsetof(LPC_CREG_Type, CREG5) == 0x118, "CREG5 offset wrong");
static_assert(offsetof(LPC_CREG_Type, CHIPID) == 0x200, "CHIPID offset wrong");
static_assert(offsetof(LPC_CREG_Type, M0SUBMEMMAP) == 0x308, "M0SUBMEMMAP offset wrong");
static_assert(offsetof(LPC_CREG_Type, M0APPTXEVENT) == 0x400, "M0APPTXEVENT offset wrong");
static_assert(offsetof(LPC_CREG_Type, USB0FLADJ) == 0x500, "USB0FLADJ offset wrong");
static_assert(offsetof(LPC_CREG_Type, USB1FLADJ) == 0x600, "USB1FLADJ offset wrong");
namespace m4txevent {
#if defined(LPC43XX_M0)
inline void enable() {
nvicEnableVector(M4CORE_IRQn, CORTEX_PRIORITY_MASK(LPC43XX_M4TXEVENT_IRQ_PRIORITY));
}
inline void disable() {
nvicDisableVector(M4CORE_IRQn);
}
#endif
#if defined(LPC43XX_M4)
inline void assert_event() {
__SEV();
}
#endif
inline void clear() {
LPC_CREG->M4TXEVENT = 0;
}
} /* namespace m4txevent */
namespace m0apptxevent {
#if defined(LPC43XX_M4)
inline void enable() {
nvicEnableVector(M0CORE_IRQn, CORTEX_PRIORITY_MASK(LPC43XX_M0APPTXEVENT_IRQ_PRIORITY));
}
inline void disable() {
nvicDisableVector(M0CORE_IRQn);
}
#endif
#if defined(LPC43XX_M0)
inline void assert_event() {
__SEV();
}
#endif
inline void clear() {
LPC_CREG->M0APPTXEVENT = 0;
}
} // namespace m0apptxevent
} /* namespace creg */
namespace cgu {
enum class CLK_SEL : uint8_t {
RTC_32KHZ = 0x00,
IRC = 0x01,
ENET_RX_CLK = 0x02,
ENET_TX_CLK = 0x03,
GP_CLKIN = 0x04,
XTAL = 0x06,
PLL0USB = 0x07,
PLL0AUDIO = 0x08,
PLL1 = 0x09,
IDIVA = 0x0c,
IDIVB = 0x0d,
IDIVC = 0x0e,
IDIVD = 0x0f,
IDIVE = 0x10,
};
struct IDIV_CTRL {
uint32_t pd;
uint32_t idiv;
uint32_t autoblock;
CLK_SEL clk_sel;
constexpr operator uint32_t() const {
return ((pd & 1) << 0) | ((idiv & 255) << 2) | ((autoblock & 1) << 11) | ((toUType(clk_sel) & 0x1f) << 24);
}
};
namespace pll0audio {
struct CTRL {
uint32_t pd;
uint32_t bypass;
uint32_t directi;
uint32_t directo;
uint32_t clken;
uint32_t frm;
uint32_t autoblock;
uint32_t pllfract_req;
uint32_t sel_ext;
uint32_t mod_pd;
CLK_SEL clk_sel;
constexpr operator uint32_t() const {
return ((pd & 1) << 0) | ((bypass & 1) << 1) | ((directi & 1) << 2) | ((directo & 1) << 3) | ((clken & 1) << 4) | ((frm & 1) << 6) | ((autoblock & 1) << 11) | ((pllfract_req & 1) << 12) | ((sel_ext & 1) << 13) | ((mod_pd & 1) << 14) | ((toUType(clk_sel) & 0x1f) << 24);
}
};
struct MDIV {
uint32_t mdec;
constexpr operator uint32_t() const {
return ((mdec & 0x1ffff) << 0);
}
};
struct NP_DIV {
uint32_t pdec;
uint32_t ndec;
constexpr operator uint32_t() const {
return ((pdec & 0x7f) << 0) | ((ndec & 0x3ff) << 12);
}
};
struct FRAC {
uint32_t pllfract_ctrl;
constexpr operator uint32_t() const {
return ((pllfract_ctrl & 0x3fffff) << 0);
}
};
inline void ctrl(const CTRL& value) {
LPC_CGU->PLL0AUDIO_CTRL = value;
}
inline void mdiv(const MDIV& value) {
LPC_CGU->PLL0AUDIO_MDIV = value;
}
inline void np_div(const NP_DIV& value) {
LPC_CGU->PLL0AUDIO_NP_DIV = value;
}
inline void frac(const FRAC& value) {
LPC_CGU->PLL0AUDIO_FRAC = value;
}
inline void power_up() {
LPC_CGU->PLL0AUDIO_CTRL &= ~(1U << 0);
}
inline void power_down() {
LPC_CGU->PLL0AUDIO_CTRL |= (1U << 0);
}
inline bool is_locked() {
return LPC_CGU->PLL0AUDIO_STAT & (1U << 0);
}
inline void clock_enable() {
LPC_CGU->PLL0AUDIO_CTRL |= (1U << 4);
}
inline void clock_disable() {
LPC_CGU->PLL0AUDIO_CTRL &= ~(1U << 4);
}
} /* namespace pll0audio */
namespace pll1 {
struct CTRL {
uint32_t pd;
uint32_t bypass;
uint32_t fbsel;
uint32_t direct;
uint32_t psel;
uint32_t autoblock;
uint32_t nsel;
uint32_t msel;
CLK_SEL clk_sel;
constexpr operator uint32_t() const {
return ((pd & 1) << 0) | ((bypass & 1) << 1) | ((fbsel & 1) << 6) | ((direct & 1) << 7) | ((psel & 3) << 8) | ((autoblock & 1) << 11) | ((nsel & 3) << 12) | ((msel & 0xff) << 16) | ((toUType(clk_sel) & 0x1f) << 24);
}
};
inline void ctrl(const CTRL& value) {
LPC_CGU->PLL1_CTRL = value;
}
inline void enable() {
LPC_CGU->PLL1_CTRL &= ~(1U << 0);
}
inline void disable() {
LPC_CGU->PLL1_CTRL |= (1U << 0);
}
inline void direct() {
LPC_CGU->PLL1_CTRL |= (1U << 7);
}
inline bool is_locked() {
return LPC_CGU->PLL1_STAT & (1U << 0);
}
} /* namespace pll1 */
} /* namespace cgu */
namespace ccu1 {
static_assert(offsetof(LPC_CCU1_Type, CLK_ADCHS_STAT) == 0xb04, "CLK_ADCHS_STAT offset wrong");
} /* namespace ccu1 */
namespace rgu {
enum class Reset {
CORE = 0,
PERIPH = 1,
MASTER = 2,
WWDT = 4,
CREG = 5,
BUS = 8,
SCU = 9,
M0_SUB = 12,
M4_RST = 13,
LCD = 16,
USB0 = 17,
USB1 = 18,
DMA = 19,
SDIO = 20,
EMC = 21,
ETHERNET = 22,
FLASHA = 25,
EEPROM = 27,
GPIO = 28,
FLASHB = 29,
TIMER0 = 32,
TIMER1 = 33,
TIMER2 = 34,
TIMER3 = 35,
RITIMER = 36,
SCT = 37,
MOTOCONPWM = 38,
QEI = 39,
ADC0 = 40,
ADC1 = 41,
DAC = 42,
UART0 = 44,
UART1 = 45,
UART2 = 46,
UART3 = 47,
I2C0 = 48,
I2C1 = 49,
SSP0 = 50,
SSP1 = 51,
I2S = 52,
SPIFI = 53,
CAN1 = 54,
CAN0 = 55,
M0APP = 56,
SGPIO = 57,
SPI = 58,
ADCHS = 60,
};
enum class Status {
NotActive = 0b00,
ActivatedByRGUInput = 0b01,
ActivatedBySoftware = 0b11,
};
inline void reset(const Reset reset) {
LPC_RGU->RESET_CTRL[toUType(reset) >> 5] = (1U << (toUType(reset) & 0x1f));
}
inline void reset_mask(const uint64_t mask) {
LPC_RGU->RESET_CTRL[0] = mask & 0xffffffffU;
LPC_RGU->RESET_CTRL[1] = mask >> 32;
}
inline Status status(const Reset reset) {
return static_cast<Status>(
(LPC_RGU->RESET_STATUS[toUType(reset) >> 4] >> ((toUType(reset) & 0xf) * 2)) & 3);
}
inline bool active(const Reset reset) {
return (LPC_RGU->RESET_ACTIVE_STATUS[toUType(reset) >> 5] >> (toUType(reset) & 0x1f)) & 1;
}
inline uint32_t external_status(const Reset reset) {
return LPC_RGU->RESET_EXT_STAT[toUType(reset)];
}
inline uint64_t operator|(Reset r1, Reset r2) {
return (1ULL << toUType(r1)) | (1ULL << toUType(r2));
}
inline uint64_t operator|(uint64_t m, Reset r) {
return m | (1ULL << toUType(r));
}
static_assert(offsetof(LPC_RGU_Type, RESET_CTRL[0]) == 0x100, "RESET_CTRL[0] offset wrong");
static_assert(offsetof(LPC_RGU_Type, RESET_STATUS[0]) == 0x110, "RESET_STATUS[0] offset wrong");
static_assert(offsetof(LPC_RGU_Type, RESET_ACTIVE_STATUS[0]) == 0x150, "RESET_ACTIVE_STATUS[0] offset wrong");
static_assert(offsetof(LPC_RGU_Type, RESET_EXT_STAT[1]) == 0x404, "RESET_EXT_STAT[1] offset wrong");
static_assert(offsetof(LPC_RGU_Type, RESET_EXT_STAT[60]) == 0x4f0, "RESET_EXT_STAT[60] offset wrong");
} /* namespace rgu */
namespace scu {
struct SFS {
uint32_t mode;
uint32_t epd;
uint32_t epun;
uint32_t ehs;
uint32_t ezi;
uint32_t zif;
constexpr operator uint32_t() const {
return ((mode & 7) << 0) | ((epd & 1) << 3) | ((epun & 1) << 4) | ((ehs & 1) << 5) | ((ezi & 1) << 6) | ((zif & 1) << 7);
}
};
static_assert(offsetof(LPC_SCU_Type, PINTSEL0) == 0xe00, "PINTSEL0 offset wrong");
} /* namespace scu */
namespace sgpio {
static_assert(offsetof(LPC_SGPIO_Type, MASK_A) == 0x0200, "SGPIO MASK_A offset wrong");
static_assert(offsetof(LPC_SGPIO_Type, GPIO_OUTREG) == 0x0214, "SGPIO GPIO_OUTREG offset wrong");
static_assert(offsetof(LPC_SGPIO_Type, CTRL_DISABLE) == 0x0220, "SGPIO CTRL_DISABLE offset wrong");
static_assert(offsetof(LPC_SGPIO_Type, CLR_EN_0) == 0x0f00, "SGPIO CLR_EN_0 offset wrong");
static_assert(offsetof(LPC_SGPIO_Type, CLR_EN_1) == 0x0f20, "SGPIO CLR_EN_1 offset wrong");
static_assert(offsetof(LPC_SGPIO_Type, CLR_EN_2) == 0x0f40, "SGPIO CLR_EN_2 offset wrong");
static_assert(offsetof(LPC_SGPIO_Type, CLR_EN_3) == 0x0f60, "SGPIO CLR_EN_3 offset wrong");
static_assert(offsetof(LPC_SGPIO_Type, SET_STATUS_3) == 0x0f74, "SGPIO SET_STATUS_3 offset wrong");
static_assert(sizeof(LPC_SGPIO_Type) == 0x0f78, "SGPIO type size wrong");
} /* namespace sgpio */
namespace gpdma {
static_assert(offsetof(LPC_GPDMA_Type, SYNC) == 0x034, "GPDMA SYNC offset wrong");
static_assert(offsetof(LPC_GPDMA_Type, CH[0]) == 0x100, "GPDMA CH[0] offset wrong");
static_assert(offsetof(LPC_GPDMA_Type, CH[7]) == 0x1e0, "GPDMA CH[7] offset wrong");
} /* namespace gpdma */
namespace sdmmc {
static_assert(offsetof(LPC_SDMMC_Type, RESP0) == 0x030, "SDMMC RESP0 offset wrong");
static_assert(offsetof(LPC_SDMMC_Type, TCBCNT) == 0x05c, "SDMMC TCBCNT offset wrong");
static_assert(offsetof(LPC_SDMMC_Type, RST_N) == 0x078, "SDMMC RST_N offset wrong");
static_assert(offsetof(LPC_SDMMC_Type, BMOD) == 0x080, "SDMMC BMOD offset wrong");
static_assert(offsetof(LPC_SDMMC_Type, DATA) == 0x100, "SDMMC DATA offset wrong");
} /* namespace sdmmc */
namespace spifi {
struct CTRL {
uint32_t timeout;
uint32_t cshigh;
uint32_t d_prftch_dis;
uint32_t inten;
uint32_t mode3;
uint32_t prftch_dis;
uint32_t dual;
uint32_t rfclk;
uint32_t fbclk;
uint32_t dmaen;
constexpr operator uint32_t() const {
return ((timeout & 0xffff) << 0) | ((cshigh & 1) << 16) | ((d_prftch_dis & 1) << 21) | ((inten & 1) << 22) | ((mode3 & 1) << 23) | ((prftch_dis & 1) << 27) | ((dual & 1) << 28) | ((rfclk & 1) << 29) | ((fbclk & 1) << 30) | ((dmaen & 1) << 31);
}
};
static_assert(offsetof(LPC_SPIFI_Type, STAT) == 0x01c, "SPIFI STAT offset wrong");
} /* namespace spifi */
namespace timer {
static_assert(offsetof(LPC_TIMER_Type, MR[0]) == 0x018, "TIMER MR[0] offset wrong");
static_assert(offsetof(LPC_TIMER_Type, CCR) == 0x028, "TIMER CCR offset wrong");
static_assert(offsetof(LPC_TIMER_Type, EMR) == 0x03c, "TIMER EMR offset wrong");
static_assert(offsetof(LPC_TIMER_Type, CTCR) == 0x070, "TIMER CTCR offset wrong");
} /* namespace timer */
namespace rtc {
namespace interrupt {
inline void clear_all() {
LPC_RTC->ILR = (1U << 1) | (1U << 0);
}
inline void enable_second_inc() {
LPC_RTC->CIIR = (1U << 0);
}
} // namespace interrupt
#if HAL_USE_RTC
struct RTC : public RTCTime {
constexpr RTC(
uint32_t year,
uint32_t month,
uint32_t day,
uint32_t hour,
uint32_t minute,
uint32_t second)
: RTCTime{
(year << 16) | (month << 8) | (day << 0),
(hour << 16) | (minute << 8) | (second << 0)} {
}
constexpr RTC()
: RTCTime{0, 0} {
}
uint16_t year() const {
return (tv_date >> 16) & 0xfff;
}
uint8_t month() const {
return (tv_date >> 8) & 0x00f;
}
uint8_t day() const {
return (tv_date >> 0) & 0x01f;
}
uint8_t hour() const {
return (tv_time >> 16) & 0x01f;
}
uint8_t minute() const {
return (tv_time >> 8) & 0x03f;
}
uint8_t second() const {
return (tv_time >> 0) & 0x03f;
}
};
#endif
static_assert(offsetof(LPC_RTC_Type, CCR) == 0x008, "RTC CCR offset wrong");
static_assert(offsetof(LPC_RTC_Type, ASEC) == 0x060, "RTC ASEC offset wrong");
} /* namespace rtc */
} /* namespace lpc43xx */
#endif /*__LPC43XX_CPP_H__*/
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