altos: Add support for multiple SPI busses and sharing device drivers
[fw/altos] / src / megametrum-v0.1 / ao_pins.h
index 803678b2b5b08fa8b99c0e13fce0f95250b49cfe..46098d34689d060af88bdb24b6b762ab2d676835 100644 (file)
 #ifndef _AO_PINS_H_
 #define _AO_PINS_H_
 
+/* 8MHz High speed external crystal */
+#define AO_HSE                 8000000
+
+/* PLLVCO = 96MHz (so that USB will work*/
+#define AO_PLLMUL              12
+#define AO_RCC_CFGR_PLLMUL     (STM_RCC_CFGR_PLLMUL_12)
+
+/* SYSCLK = 32MHz (no need to go faster than CPU) */
+#define AO_PLLDIV              3
+#define AO_RCC_CFGR_PLLDIV     (STM_RCC_CFGR_PLLDIV_3)
+
+/* HCLK = 32MHz (CPU clock) */
+#define AO_AHB_PRESCALER       1
+#define AO_RCC_CFGR_HPRE_DIV   STM_RCC_CFGR_HPRE_DIV_1
+
+/* Run APB1 at 16MHz (HCLK/2) */
+#define AO_APB1_PRESCALER      2
+#define AO_RCC_CFGR_PPRE1_DIV  STM_RCC_CFGR_PPRE2_DIV_2
+
+/* Run APB2 at 16MHz (HCLK/2) */
+#define AO_APB2_PRESCALER      2
+#define AO_RCC_CFGR_PPRE2_DIV  STM_RCC_CFGR_PPRE2_DIV_2
+
 #define HAS_SERIAL_1           1
 #define USE_SERIAL_1_STDIN     1
 #define SERIAL_1_PB6_PB7       0
@@ -151,4 +174,21 @@ struct ao_adc {
 #define AO_ADC_SQ8             AO_ADC_V_PBATT
 #define AO_ADC_SQ9             AO_ADC_TEMP
 
+/*
+ * Pressure sensor settings
+ */
+#define AO_MS5607_CS_GPIO      stm_gpioc
+#define AO_MS5607_CS           4
+#define AO_MS5607_CS_MASK      (1 << AO_MS5607_CS)
+#define AO_MS5607_SPI_INDEX    (STM_SPI_INDEX(1))
+
+/*
+ * SPI Flash memory
+ */
+
+#define M25_MAX_CHIPS          1
+#define AO_M25_SPI_CS_PORT     stm_gpiod
+#define AO_M25_SPI_CS_MASK     (1 << 3)
+#define AO_M25_SPI_BUS         STM_SPI_INDEX(2)
+
 #endif /* _AO_PINS_H_ */