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jLynx 2023-05-19 08:16:05 +12:00 committed by GitHub
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commit 033c4e9a5b
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599 changed files with 70746 additions and 66896 deletions

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@ -30,242 +30,213 @@ namespace lpc43xx {
namespace i2s {
enum class WordWidth {
Bits8 = 0x0,
Bits16 = 0x1,
Bits32 = 0x3,
Bits8 = 0x0,
Bits16 = 0x1,
Bits32 = 0x3,
};
enum class ClockSelect {
FractionalDivider = 0x0,
BaseAudioClkOrExternalMCLK = 0x01,
OtherMCLK = 0x2,
FractionalDivider = 0x0,
BaseAudioClkOrExternalMCLK = 0x01,
OtherMCLK = 0x2,
};
struct DAO {
WordWidth wordwidth;
uint32_t mono;
uint32_t stop;
uint32_t reset;
uint32_t ws_sel;
uint32_t ws_halfperiod;
uint32_t mute;
WordWidth wordwidth;
uint32_t mono;
uint32_t stop;
uint32_t reset;
uint32_t ws_sel;
uint32_t ws_halfperiod;
uint32_t mute;
constexpr operator uint32_t() const {
return
((toUType(wordwidth) & 3) << 0)
| ((mono & 1) << 2)
| ((stop & 1) << 3)
| ((reset & 1) << 4)
| ((ws_sel & 1) << 5)
| ((ws_halfperiod & 0x1ff) << 6)
| ((mute & 1) << 15)
;
}
constexpr operator uint32_t() const {
return ((toUType(wordwidth) & 3) << 0) | ((mono & 1) << 2) | ((stop & 1) << 3) | ((reset & 1) << 4) | ((ws_sel & 1) << 5) | ((ws_halfperiod & 0x1ff) << 6) | ((mute & 1) << 15);
}
};
struct DAI {
WordWidth wordwidth;
uint32_t mono;
uint32_t stop;
uint32_t reset;
uint32_t ws_sel;
uint32_t ws_halfperiod;
WordWidth wordwidth;
uint32_t mono;
uint32_t stop;
uint32_t reset;
uint32_t ws_sel;
uint32_t ws_halfperiod;
constexpr operator uint32_t() const {
return
((toUType(wordwidth) & 3) << 0)
| ((mono & 1) << 2)
| ((stop & 1) << 3)
| ((reset & 1) << 4)
| ((ws_sel & 1) << 5)
| ((ws_halfperiod & 0x1ff) << 6)
;
}
constexpr operator uint32_t() const {
return ((toUType(wordwidth) & 3) << 0) | ((mono & 1) << 2) | ((stop & 1) << 3) | ((reset & 1) << 4) | ((ws_sel & 1) << 5) | ((ws_halfperiod & 0x1ff) << 6);
}
};
struct MCLKRate {
uint32_t x_divider;
uint32_t y_divider;
uint32_t x_divider;
uint32_t y_divider;
constexpr operator uint32_t() const {
return
((y_divider & 0xff) << 0)
| ((x_divider & 0xff) << 8)
;
}
constexpr operator uint32_t() const {
return ((y_divider & 0xff) << 0) | ((x_divider & 0xff) << 8);
}
};
struct BitRate {
uint32_t bitrate;
uint32_t bitrate;
constexpr operator uint32_t() const {
return ((bitrate & 0x3f) << 0);
}
constexpr operator uint32_t() const {
return ((bitrate & 0x3f) << 0);
}
};
struct Mode {
ClockSelect clksel;
uint32_t four_pin;
uint32_t mclk_out_en;
ClockSelect clksel;
uint32_t four_pin;
uint32_t mclk_out_en;
constexpr operator uint32_t() const {
return
((toUType(clksel) & 3) << 0)
| ((four_pin & 1) << 2)
| ((mclk_out_en & 1) << 3)
;
}
constexpr operator uint32_t() const {
return ((toUType(clksel) & 3) << 0) | ((four_pin & 1) << 2) | ((mclk_out_en & 1) << 3);
}
};
struct DMA {
uint32_t rx_enable;
uint32_t tx_enable;
size_t rx_depth;
size_t tx_depth;
uint32_t rx_enable;
uint32_t tx_enable;
size_t rx_depth;
size_t tx_depth;
constexpr operator uint32_t() const {
return
((rx_enable & 1) << 0)
| ((tx_enable & 1) << 1)
| ((rx_depth & 0xf) << 8)
| ((tx_depth & 0xf) << 16)
;
}
constexpr operator uint32_t() const {
return ((rx_enable & 1) << 0) | ((tx_enable & 1) << 1) | ((rx_depth & 0xf) << 8) | ((tx_depth & 0xf) << 16);
}
};
struct ConfigTX {
uint32_t dao;
uint32_t txrate;
uint32_t txbitrate;
uint32_t txmode;
uint32_t sck_in_sel;
uint32_t dao;
uint32_t txrate;
uint32_t txbitrate;
uint32_t txmode;
uint32_t sck_in_sel;
};
struct ConfigRX {
uint32_t dai;
uint32_t rxrate;
uint32_t rxbitrate;
uint32_t rxmode;
uint32_t sck_in_sel;
uint32_t dai;
uint32_t rxrate;
uint32_t rxbitrate;
uint32_t rxmode;
uint32_t sck_in_sel;
};
struct ConfigDMA {
uint32_t dma1;
uint32_t dma2;
uint32_t dma1;
uint32_t dma2;
};
static const audio_clock_resources_t audio_clock_resources = {
.base = { .clk = &LPC_CGU->BASE_AUDIO_CLK, .stat = &LPC_CCU2->BASE_STAT, .stat_mask = 0 },
.branch = { .cfg = &LPC_CCU2->CLK_AUDIO_CFG, .stat = &LPC_CCU2->CLK_AUDIO_STAT },
.base = {.clk = &LPC_CGU->BASE_AUDIO_CLK, .stat = &LPC_CCU2->BASE_STAT, .stat_mask = 0},
.branch = {.cfg = &LPC_CCU2->CLK_AUDIO_CFG, .stat = &LPC_CCU2->CLK_AUDIO_STAT},
};
static const i2s_resources_t i2s_resources = {
.base = { .clk = &LPC_CGU->BASE_APB1_CLK, .stat = &LPC_CCU1->BASE_STAT, .stat_mask = (1 << 1) },
.branch = { .cfg = &LPC_CCU1->CLK_APB1_I2S_CFG, .stat = &LPC_CCU1->CLK_APB1_I2S_STAT },
.reset = { { .output_index = 52 }, { .output_index = 53 } },
.base = {.clk = &LPC_CGU->BASE_APB1_CLK, .stat = &LPC_CCU1->BASE_STAT, .stat_mask = (1 << 1)},
.branch = {.cfg = &LPC_CCU1->CLK_APB1_I2S_CFG, .stat = &LPC_CCU1->CLK_APB1_I2S_STAT},
.reset = {{.output_index = 52}, {.output_index = 53}},
};
template<uint32_t BaseAddress>
template <uint32_t BaseAddress>
class I2S {
public:
static void configure(
const ConfigTX& config_tx,
const ConfigRX& config_rx
) {
base_clock_enable(&i2s_resources.base);
branch_clock_enable(&i2s_resources.branch);
public:
static void configure(
const ConfigTX& config_tx,
const ConfigRX& config_rx) {
base_clock_enable(&i2s_resources.base);
branch_clock_enable(&i2s_resources.branch);
base_clock_enable(&audio_clock_resources.base);
branch_clock_enable(&audio_clock_resources.branch);
base_clock_enable(&audio_clock_resources.base);
branch_clock_enable(&audio_clock_resources.branch);
if( &p() == LPC_I2S0 ) {
peripheral_reset(&i2s_resources.reset[0]);
}
if( &p() == LPC_I2S1 ) {
peripheral_reset(&i2s_resources.reset[1]);
}
if (&p() == LPC_I2S0) {
peripheral_reset(&i2s_resources.reset[0]);
}
if (&p() == LPC_I2S1) {
peripheral_reset(&i2s_resources.reset[1]);
}
reset();
reset();
if( &p() == LPC_I2S0 ) {
LPC_CREG->CREG6.I2S0_TX_SCK_IN_SEL = config_tx.sck_in_sel;
LPC_CREG->CREG6.I2S0_RX_SCK_IN_SEL = config_rx.sck_in_sel;
}
if( &p() == LPC_I2S1 ) {
LPC_CREG->CREG6.I2S1_TX_SCK_IN_SEL = config_tx.sck_in_sel;
LPC_CREG->CREG6.I2S1_RX_SCK_IN_SEL = config_rx.sck_in_sel;
}
if (&p() == LPC_I2S0) {
LPC_CREG->CREG6.I2S0_TX_SCK_IN_SEL = config_tx.sck_in_sel;
LPC_CREG->CREG6.I2S0_RX_SCK_IN_SEL = config_rx.sck_in_sel;
}
if (&p() == LPC_I2S1) {
LPC_CREG->CREG6.I2S1_TX_SCK_IN_SEL = config_tx.sck_in_sel;
LPC_CREG->CREG6.I2S1_RX_SCK_IN_SEL = config_rx.sck_in_sel;
}
p().DAO = config_tx.dao;
p().TXRATE = config_tx.txrate;
p().TXBITRATE = config_tx.txbitrate;
p().TXMODE = config_tx.txmode;
p().DAO = config_tx.dao;
p().TXRATE = config_tx.txrate;
p().TXBITRATE = config_tx.txbitrate;
p().TXMODE = config_tx.txmode;
p().DAI = config_rx.dai;
p().RXRATE = config_rx.rxrate;
p().RXBITRATE = config_rx.rxbitrate;
p().RXMODE = config_rx.rxmode;
}
p().DAI = config_rx.dai;
p().RXRATE = config_rx.rxrate;
p().RXBITRATE = config_rx.rxbitrate;
p().RXMODE = config_rx.rxmode;
}
static void configure(
const ConfigTX& config_tx,
const ConfigRX& config_rx,
const ConfigDMA& config_dma
) {
configure(config_tx, config_rx);
static void configure(
const ConfigTX& config_tx,
const ConfigRX& config_rx,
const ConfigDMA& config_dma) {
configure(config_tx, config_rx);
p().DMA1 = config_dma.dma1;
p().DMA2 = config_dma.dma2;
}
p().DMA1 = config_dma.dma1;
p().DMA2 = config_dma.dma2;
}
static void shutdown() {
if( &p() == LPC_I2S0 ) {
peripheral_reset(&i2s_resources.reset[0]);
}
if( &p() == LPC_I2S1 ) {
peripheral_reset(&i2s_resources.reset[1]);
}
static void shutdown() {
if (&p() == LPC_I2S0) {
peripheral_reset(&i2s_resources.reset[0]);
}
if (&p() == LPC_I2S1) {
peripheral_reset(&i2s_resources.reset[1]);
}
branch_clock_disable(&audio_clock_resources.branch);
base_clock_disable(&audio_clock_resources.base);
branch_clock_disable(&audio_clock_resources.branch);
base_clock_disable(&audio_clock_resources.base);
branch_clock_disable(&i2s_resources.branch);
base_clock_disable(&i2s_resources.base);
}
branch_clock_disable(&i2s_resources.branch);
base_clock_disable(&i2s_resources.base);
}
static void rx_start() {
p().DAI &= ~(1U << 3);
}
static void rx_start() {
p().DAI &= ~(1U << 3);
}
static void rx_stop() {
p().DAI |= (1U << 3);
}
static void rx_stop() {
p().DAI |= (1U << 3);
}
static void tx_start() {
p().DAO &= ~(1U << 3);
}
static void tx_start() {
p().DAO &= ~(1U << 3);
}
static void tx_stop() {
p().DAO |= (1U << 3);
}
static void tx_stop() {
p().DAO |= (1U << 3);
}
static void tx_mute() {
p().DAO |= (1U << 15);
}
static void tx_mute() {
p().DAO |= (1U << 15);
}
static void tx_unmute() {
p().DAO &= ~(1U << 15);
}
static void tx_unmute() {
p().DAO &= ~(1U << 15);
}
private:
static void reset() {
p().DAO |= (1U << 4);
p().DAI |= (1U << 4);
}
private:
static void reset() {
p().DAO |= (1U << 4);
p().DAI |= (1U << 4);
}
static LPC_I2S_Type& p() {
return *reinterpret_cast<LPC_I2S_Type*>(BaseAddress);
}
static LPC_I2S_Type& p() {
return *reinterpret_cast<LPC_I2S_Type*>(BaseAddress);
}
};
using i2s0 = I2S<LPC_I2S0_BASE>;
@ -274,4 +245,4 @@ using i2s1 = I2S<LPC_I2S1_BASE>;
} /* namespace i2s */
} /* namespace lpc43xx */
#endif/*__I2S_H__*/
#endif /*__I2S_H__*/