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[Horus] Shutdown noise removed

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This commit is contained in:
Bertrand Songis
2016-01-17 22:44:07 +01:00
parent 5c67e20fa5
commit aa7c320821
2 changed files with 16 additions and 3 deletions
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radio/src/targets/horus/hal.h
+4 -1
View File
@@ -207,12 +207,15 @@
#define SD_SDIO_TRANSFER_CLK_DIV SD_SDIO_CLK_DIV(24000000)
// Audio
#define AUDIO_RCC_AHB1Periph (RCC_AHB1Periph_GPIOA | RCC_AHB1ENR_DMA1EN)
#define AUDIO_RCC_AHB1Periph (RCC_AHB1Periph_GPIOI | RCC_AHB1Periph_GPIOA | RCC_AHB1ENR_DMA1EN)
#define AUDIO_RCC_APB1Periph (RCC_APB1ENR_TIM6EN | RCC_APB1ENR_DACEN)
#define AUDIO_TIMER TIM6
#define AUDIO_TIMER_DAC_IRQn TIM6_DAC_IRQn
#define AUDIO_DMA_STREAM DMA1_Stream5
#define AUDIO_DMA_IRQn DMA1_Stream5_IRQn
#define AUDIO_SHUTDOWN_GPIO GPIOI
#define AUDIO_SHUTDOWN_GPIO_PIN GPIO_Pin_9 // PI.09
// I2C Bus: TPL0401A-10DCK digital pot for volume control
#define I2C_RCC_AHB1Periph RCC_AHB1Periph_GPIOB
radio/src/targets/horus/pwr_driver.c
+12 -2
View File
@@ -35,8 +35,8 @@ void pwrInit()
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_Init(PWR_GPIO, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_Init(GPIOI, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = AUDIO_SHUTDOWN_GPIO_PIN;
GPIO_Init(AUDIO_SHUTDOWN_GPIO, &GPIO_InitStructure);
// Init Module PWR
GPIO_ResetBits(EXTMODULE_GPIO_PWR, EXTMODULE_GPIO_PIN_PWR);
@@ -54,6 +54,16 @@ void pwrOn()
void pwrOff()
{
// Shutdown the Audio amp
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = AUDIO_SHUTDOWN_GPIO_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_Init(AUDIO_SHUTDOWN_GPIO, &GPIO_InitStructure);
GPIO_ResetBits(AUDIO_SHUTDOWN_GPIO, AUDIO_SHUTDOWN_GPIO_PIN);
GPIO_ResetBits(PWR_GPIO, PWR_GPIO_PIN_ON);
}