[incubator-nuttx] branch master updated: stm32f103re has a dac module.but the pinmap file has no corresponding definition

[xi...@apache.org]

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xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git


The following commit(s) were added to refs/heads/master by this push:
     new fac10b6  stm32f103re has a dac module.but the pinmap file has no corresponding definition
fac10b6 is described below

commit fac10b6ebdec6d98f8b833137153ec43e71d706d
Author: lp.xiao <lp...@gmail.com>
AuthorDate: Sun Feb 27 11:24:46 2022 +0800

    stm32f103re has a dac module.but the pinmap file has no corresponding definition
---
 arch/arm/src/stm32/hardware/stm32f103r_pinmap.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/src/stm32/hardware/stm32f103r_pinmap.h b/arch/arm/src/stm32/hardware/stm32f103r_pinmap.h
index a8431c1..9343b1b 100644
--- a/arch/arm/src/stm32/hardware/stm32f103r_pinmap.h
+++ b/arch/arm/src/stm32/hardware/stm32f103r_pinmap.h
@@ -57,6 +57,15 @@
 #define GPIO_ADC12_IN14       (GPIO_INPUT|GPIO_CNF_ANALOGIN|GPIO_MODE_INPUT|GPIO_PORTC|GPIO_PIN4)
 #define GPIO_ADC12_IN15       (GPIO_INPUT|GPIO_CNF_ANALOGIN|GPIO_MODE_INPUT|GPIO_PORTC|GPIO_PIN5)
 
+/* DAC - "Once the DAC channelx is enabled, the corresponding GPIO pin
+ * (PA4 or PA5) is automatically connected to the analog converter output
+ * (DAC_OUTx). In order to avoid parasitic consumption, the PA4 or PA5 pin
+ * should first be configured to analog (AIN)."
+ */
+
+#define GPIO_DAC1_OUT1      (GPIO_INPUT|GPIO_CNF_ANALOGIN|GPIO_MODE_INPUT|GPIO_PORTA|GPIO_PIN4)
+#define GPIO_DAC1_OUT2      (GPIO_INPUT|GPIO_CNF_ANALOGIN|GPIO_MODE_INPUT|GPIO_PORTA|GPIO_PIN5)
+
 /* TIMERS */
 
 #if defined(CONFIG_STM32_TIM1_FULL_REMAP)