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C++14: make some wrapper classes static.

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Also address GCC 6.2 not allowing constexpr from reinterpret_cast<> values.
This commit is contained in:
Jared Boone 2017-01-05 17:10:00 -08:00
parent 0ea2f9650e
commit a22dc150bc
5 changed files with 68 additions and 69 deletions
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46
firmware/common/i2s.hpp
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@ -155,8 +155,6 @@ struct ConfigDMA {
template<uint32_t BaseAddress>
class I2S {
public:
static constexpr LPC_I2S_Type* Peripheral = reinterpret_cast<LPC_I2S_Type*>(BaseAddress);
static void configure(
const ConfigTX& config_tx,
const ConfigRX& config_rx
@ -167,28 +165,28 @@ public:
/* NOTE: Documentation of CREG6 is quite confusing. Refer to "I2S clocking and
* pin connections" and other I2S diagrams for more clarity.
*/
if( Peripheral == LPC_I2S0 ) {
if( &p() == LPC_I2S0 ) {
LPC_CREG->CREG6 |=
(1U << 12)
| (1U << 13)
;
}
if( Peripheral == LPC_I2S1 ) {
if( &p() == LPC_I2S1 ) {
LPC_CREG->CREG6 |=
(1U << 14)
| (1U << 15)
;
}
Peripheral->DAO = config_tx.dao;
Peripheral->TXRATE = config_tx.txrate;
Peripheral->TXBITRATE = config_tx.txbitrate;
Peripheral->TXMODE = config_tx.txmode;
p().DAO = config_tx.dao;
p().TXRATE = config_tx.txrate;
p().TXBITRATE = config_tx.txbitrate;
p().TXMODE = config_tx.txmode;
Peripheral->DAI = config_rx.dai;
Peripheral->RXRATE = config_rx.rxrate;
Peripheral->RXBITRATE = config_rx.rxbitrate;
Peripheral->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(
@ -198,38 +196,42 @@ public:
) {
configure(config_tx, config_rx);
Peripheral->DMA1 = config_dma.dma1;
Peripheral->DMA2 = config_dma.dma2;
p().DMA1 = config_dma.dma1;
p().DMA2 = config_dma.dma2;
}
static void rx_start() {
Peripheral->DAI &= ~(1U << 3);
p().DAI &= ~(1U << 3);
}
static void rx_stop() {
Peripheral->DAI |= (1U << 3);
p().DAI |= (1U << 3);
}
static void tx_start() {
Peripheral->DAO &= ~(1U << 3);
p().DAO &= ~(1U << 3);
}
static void tx_stop() {
Peripheral->DAO |= (1U << 3);
p().DAO |= (1U << 3);
}
static void tx_mute() {
Peripheral->DAO |= (1U << 15);
p().DAO |= (1U << 15);
}
static void tx_unmute() {
Peripheral->DAO &= ~(1U << 15);
p().DAO &= ~(1U << 15);
}
private:
static void reset() {
Peripheral->DAO |= (1U << 4);
Peripheral->DAI |= (1U << 4);
p().DAO |= (1U << 4);
p().DAI |= (1U << 4);
}
static LPC_I2S_Type& p() {
return *reinterpret_cast<LPC_I2S_Type*>(BaseAddress);
}
};