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noisecard
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sleeponexit; give up on fast clock

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Clyne 3 months ago
parent 7fad01e939
commit 6463ae4174
Signed by: clyne
GPG Key ID: 3267C8EBF3F9AFC7
3 changed files with 10 additions and 44 deletions
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8
cfg/mcuconf.h
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@ -42,7 +42,7 @@
#define STM32_CLOCK_DYNAMIC FALSE
#define STM32_VOS STM32_VOS_RANGE2
#define STM32_PWR_CR2 (STM32_PVDRT_LEV0 | STM32_PVDFT_LEV0 | STM32_PVDE_DISABLED)
#define STM32_PWR_CR3 (PWR_CR3_EIWUL)
#define STM32_PWR_CR3 (PWR_CR3_EIWUL | PWR_CR3_ENB_ULP)
#define STM32_PWR_CR4 (0U)
#define STM32_PWR_PUCRA (0U)
#define STM32_PWR_PDCRA (0U)
@ -63,8 +63,8 @@
#define STM32_PLLSRC STM32_PLLSRC_NOCLOCK
#define STM32_PLLM_VALUE 2
#define STM32_PLLN_VALUE 8
#define STM32_PLLP_VALUE 4
#define STM32_PLLQ_VALUE 4
#define STM32_PLLP_VALUE 32
#define STM32_PLLQ_VALUE 8
#define STM32_PLLR_VALUE 4
#define STM32_HPRE STM32_HPRE_DIV1
#define STM32_PPRE STM32_PPRE_DIV4
@ -206,7 +206,7 @@
* ST driver system settings.
*/
#define STM32_ST_IRQ_PRIORITY 2
#define STM32_ST_USE_TIMER 2
#define STM32_ST_USE_TIMER 17
/*
* TRNG driver system settings.

44
main.cpp
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@ -60,30 +60,6 @@ static constexpr I2SConfig i2sConfig = {
/* I2SPR */ (I2SPRval / 2) | ((I2SPRval & 1) ? SPI_I2SPR_ODD : 0)
};
//static const halclkcfg_t halClockDefault = {
// .pwr_cr1 = PWR_CR1_VOS_0,
// .pwr_cr2 = STM32_PWR_CR2,
// .rcc_cr = RCC_CR_PLLON | RCC_CR_HSION,
// .rcc_cfgr = (6 << RCC_CFGR_PPRE_Pos) | (1 << RCC_CFGR_HPRE_Pos) | RCC_CFGR_SW_PLL,
// .rcc_pllcfgr = (STM32_PLLR_VALUE << RCC_PLLCFGR_PLLR_Pos) | RCC_PLLCFGR_PLLREN |
// (STM32_PLLN_VALUE << RCC_PLLCFGR_PLLN_Pos) |
// ((STM32_PLLM_VALUE - 1) << RCC_PLLCFGR_PLLM_Pos) |
// RCC_PLLCFGR_PLLSRC_HSI,
// .flash_acr = FLASH_ACR_PRFTEN | FLASH_ACR_ICEN | (2 << FLASH_ACR_LATENCY_Pos)
//};
//
//static const halclkcfg_t halClockSleep = {
// .pwr_cr1 = PWR_CR1_VOS_0,
// .pwr_cr2 = STM32_PWR_CR2,
// .rcc_cr = RCC_CR_PLLON | RCC_CR_HSION,
// .rcc_cfgr = (0 << RCC_CFGR_PPRE_Pos) | (10 << RCC_CFGR_HPRE_Pos) | RCC_CFGR_SW_PLL,
// .rcc_pllcfgr = (STM32_PLLR_VALUE << RCC_PLLCFGR_PLLR_Pos) | RCC_PLLCFGR_PLLREN |
// (STM32_PLLN_VALUE << RCC_PLLCFGR_PLLN_Pos) |
// ((STM32_PLLM_VALUE - 1) << RCC_PLLCFGR_PLLM_Pos) |
// RCC_PLLCFGR_PLLSRC_HSI,
// .flash_acr = FLASH_ACR_PRFTEN | FLASH_ACR_ICEN | (2 << FLASH_ACR_LATENCY_Pos)
//};
int main(void)
{
halInit();
@ -104,21 +80,11 @@ int main(void)
i2sStart(&I2SD1, &i2sConfig);
i2sStartExchange(&I2SD1);
i2sReady.store(false);
uint8_t strbuf[7] = { 0, 0, 0, 'd', 'B', '\n', '\0' };
for (;;) {
//if (halClockSwitchMode(&halClockSleep)) {
// sdWrite(&SD2, (uint8_t *)"sleepf\n", 7);
// osalThreadSleepMilliseconds(5000);
//}
while (!i2sReady.load())
asm("wfi");
i2sReady.store(false);
//if (halClockSwitchMode(&halClockDefault)) {
// sdWrite(&SD2, (uint8_t *)"sleepf\n", 7);
// osalThreadSleepMilliseconds(5000);
//}
SCB->SCR |= SCB_SCR_SLEEPONEXIT_Msk;
__WFI();
palSetPad(GPIOB, 7);
const sos_t Leq_RMS = qfp_fsqrt(Leq_sum_sqr / qfp_uint2float(Leq_samples));
@ -145,7 +111,8 @@ int32_t fixsample(uint32_t s) {
__attribute__((section(".data")))
void i2sCallback(I2SDriver *i2s)
{
//halClockSwitchMode(&halClockDefault);
if (i2sReady.load())
return;
palSetPad(GPIOB, 7);
const auto halfsize = i2sBuffer.size() / 2;
@ -166,9 +133,8 @@ void i2sCallback(I2SDriver *i2s)
// Wakeup main thread for dB calculation every second
if (Leq_samples >= SAMPLE_RATE / I2S_STRIDE) {
i2sReady.store(true);
SCB->SCR &= ~SCB_SCR_SLEEPONEXIT_Msk;
}
palClearPad(GPIOB, 7);
//halClockSwitchMode(&halClockSleep);
}

2
osalconf.h
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@ -29,7 +29,7 @@
* @brief Frequency in Hertz of the system tick.
*/
#if !defined(OSAL_ST_FREQUENCY) || defined(__DOXYGEN__)
#define OSAL_ST_FREQUENCY 20
#define OSAL_ST_FREQUENCY 1000
#endif
/**

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