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stm32_dac: refactored stm32dac_init() to have a per-instance initialization

pull/273/head
Silvano Seva 2024-06-09 14:23:05 +02:00
rodzic 81f9257888
commit 3940405c68
3 zmienionych plików z 46 dodań i 31 usunięć

5
platform/drivers/audio/audio_Mod17.c
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@ -59,13 +59,16 @@ void audio_init()
gpio_setMode(SPK_MUTE, OUTPUT);
gpio_setMode(MIC_MUTE, OUTPUT);
gpio_setMode(AUDIO_MIC, INPUT_ANALOG);
gpio_setMode(AUDIO_SPK, INPUT_ANALOG);
gpio_setMode(BASEBAND_RX, INPUT_ANALOG);
gpio_setMode(BASEBAND_TX, INPUT_ANALOG);
gpio_setPin(SPK_MUTE); // Off = logic high
gpio_clearPin(MIC_MUTE); // Off = logic low
max9814_setGain(0); // 40 dB gain
stm32dac_init();
stm32dac_init(STM32_DAC_CH1);
stm32dac_init(STM32_DAC_CH2);
stm32adc_init(STM32_ADC_ADC2);
}

60
platform/drivers/audio/stm32_dac.cpp
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@ -1,8 +1,8 @@
/***************************************************************************
* Copyright (C) 2023 by Federico Amedeo Izzo IU2NUO, *
* Niccolò Izzo IU2KIN *
* Frederik Saraci IU2NRO *
* Silvano Seva IU2KWO *
* Copyright (C) 2023 - 2024 by Federico Amedeo Izzo IU2NUO, *
* Niccolò Izzo IU2KIN *
* Frederik Saraci IU2NRO *
* Silvano Seva IU2KWO *
* *
* 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 *
@ -110,32 +110,42 @@ void __attribute__((used)) DMA1_Stream6_IRQHandler()
void stm32dac_init()
void stm32dac_init(const uint8_t instance)
{
// Configure GPIOs
gpio_setMode(GPIOA, 4, INPUT_ANALOG);
gpio_setMode(GPIOA, 5, INPUT_ANALOG);
// Enable peripherals
RCC->APB1ENR |= RCC_APB1ENR_DACEN
| RCC_APB1ENR_TIM6EN
| RCC_APB1ENR_TIM7EN;
__DSB();
RCC->APB1ENR |= RCC_APB1ENR_DACEN;
// DAC common configuration
DAC->CR = DAC_CR_DMAEN2 // Enable DMA
| DAC_CR_TSEL2_1 // TIM7 as trigger source for CH2
| DAC_CR_TEN2 // Enable trigger input
| DAC_CR_EN2 // Enable CH2
switch(instance)
{
case STM32_DAC_CH1:
{
RCC->APB1ENR |= RCC_APB1ENR_TIM6EN;
__DSB();
| DAC_CR_DMAEN1 // Enable DMA
| 0x00 // TIM6 as trigger source for CH1
| DAC_CR_TEN1 // Enable trigger input
| DAC_CR_EN1; // Enable CH1
DAC->CR |= DAC_CR_DMAEN1 // Enable DMA
| 0x00 // TIM6 as trigger source for CH1
| DAC_CR_TEN1 // Enable trigger input
| DAC_CR_EN1; // Enable CH1
}
break;
// Register end-of-transfer callbacks
chState[0].stream.setEndTransferCallback(std::bind(stopTransfer, 0));
chState[1].stream.setEndTransferCallback(std::bind(stopTransfer, 1));
case STM32_DAC_CH2:
{
RCC->APB1ENR |= RCC_APB1ENR_TIM7EN;
__DSB();
DAC->CR |= DAC_CR_DMAEN2 // Enable DMA
| DAC_CR_TSEL2_1 // TIM7 as trigger source for CH2
| DAC_CR_TEN2 // Enable trigger input
| DAC_CR_EN2; // Enable CH2
}
break;
default:
break;
}
chState[instance].stream.setEndTransferCallback(std::bind(stopTransfer, instance));
}
void stm32dac_terminate()

12
platform/drivers/audio/stm32_dac.h
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@ -1,8 +1,8 @@
/***************************************************************************
* Copyright (C) 2023 by Federico Amedeo Izzo IU2NUO, *
* Niccolò Izzo IU2KIN *
* Frederik Saraci IU2NRO *
* Silvano Seva IU2KWO *
* Copyright (C) 2023 - 2024 by Federico Amedeo Izzo IU2NUO, *
* Niccolò Izzo IU2KIN *
* Frederik Saraci IU2NRO *
* Silvano Seva IU2KWO *
* *
* 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 *
@ -58,8 +58,10 @@ extern const struct audioDriver stm32_dac_audio_driver;
/**
* Initialize the driver and the peripherals.
*
* @param instance: DAC instance number.
*/
void stm32dac_init();
void stm32dac_init(const uint8_t instance);
/**
* Shutdown the driver and the peripherals.