periph_cpu.h
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2020 iosabi
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser
5  * General Public License v2.1. See the file LICENSE in the top level
6  * directory for more details.
7  */
8 
9 #pragma once
10 
21 #include <stdint.h>
22 #include <stdbool.h>
23 
24 #include "cpu.h"
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29 
34 #define HAVE_GPIO_T
35 typedef uint16_t gpio_t;
41 #define GPIO_UNDEF (0xffff)
42 
51 #define GPIO_PIN(x, y) (((x) << 12u) | (y))
52 
53 /* QN908x has a unique default Bluetooth address in the Flash Information Page
54  * descriptor. This value is set in the factory and cannot be modified by
55  * users. However, the actual Bluetooth address used by the stack may be
56  * different, this is just the default. */
60 #define CPUID_ADDR (FSL_FEATURE_FLASH_ADDR_OF_VENDOR_BD_ADDR)
61 
65 #define CPUID_LEN (6U)
66 
70 #define WDT_HAS_STOP (1)
71 
83 #define NWDT_TIME_LOWER_LIMIT (1U)
84 #define NWDT_TIME_UPPER_LIMIT (268435U)
85 #define WWDT_TIME_LOWER_LIMIT (1U)
86 #define WWDT_TIME_UPPER_LIMIT (268435U)
98 #define GPIO_MODE(open_drain, out_enabled, pull_mode) \
99  ((open_drain) | ((out_enabled) << 1) | ((pull_mode) << 4))
100 
101 #ifndef DOXYGEN
106 #define HAVE_GPIO_MODE_T
107 typedef enum {
108  GPIO_IN = GPIO_MODE(0, 0, 0),
109  GPIO_IN_PD = GPIO_MODE(0, 0, 1),
110  GPIO_IN_PU = GPIO_MODE(0, 0, 2),
111  GPIO_OUT = GPIO_MODE(0, 1, 0),
112  GPIO_OD = GPIO_MODE(1, 1, 0),
113  GPIO_OD_PU = GPIO_MODE(1, 1, 2),
114 } gpio_mode_t;
116 #endif /* ndef DOXYGEN */
117 
118 #ifndef DOXYGEN
123 #define HAVE_GPIO_FLANK_T
124 typedef enum {
125  GPIO_LOW = 0,
126  GPIO_HIGH = 1,
127  GPIO_RISING = 2,
128  GPIO_FALLING = 3,
129  GPIO_BOTH = 4,
130 } gpio_flank_t;
132 #endif /* ndef DOXYGEN */
133 
137 enum {
138  PORT_A = 0,
139  PORT_B = 1,
141 };
142 
143 #if DOXYGEN
155 #define BOARD_HAS_ADC_PA06_CAP
157 #endif
158 
159 #ifndef DOXYGEN
164 #define HAVE_ADC_RES_T
165 typedef enum {
166  ADC_RES_6BIT = 6u,
167  ADC_RES_8BIT = 8u,
168  ADC_RES_10BIT = 10u,
169  ADC_RES_12BIT = 12u,
170  ADC_RES_14BIT = 14u,
171  ADC_RES_16BIT = 16u,
172  /* Extra modes supported by this CPU. */
173  ADC_RES_MAX = 22u,
174  ADC_RES_UV = 23u,
175 } adc_res_t;
177 #endif /* ifndef DOXYGEN */
178 
191 typedef enum {
202 
203 #ifdef DOXYGEN
208 #define QN908X_ADC_CLOCK
209 #endif /* ifdef DOXYGEN */
210 
226 typedef enum {
237  ADC_CHANNEL_ADC6_VINN = 10u << 9u,
238  ADC_CHANNEL_ADC7_VINN = 11u << 9u,
239  ADC_CHANNEL_TEMP = 13u << 9u,
240  ADC_CHANNEL_VCC4_VINN = 14u << 9u,
241  ADC_CHANNEL_VINN_VINN = 15u << 9u,
242  ADC_CHANNEL_VINN_VSS = 20u << 9u,
244 
253 typedef enum {
254  ADC_VREF_1V2 = 0x0000u,
255  ADC_VREF_VREF = 0x4000u,
256  ADC_VREF_VEXT = 0x8000u,
257  ADC_VREF_VCC = 0xC000u,
259 
266 #define ADC_VREF_GAIN_X15 (0x100u)
267 
279 #define ADC_PGA_ENABLE (0x08u)
280 
288 typedef enum {
289  ADC_VINN_VREF = 0x30u,
291  ADC_VINN_VREF_2 = 0x10u,
292  ADC_VINN_AVSS = 0x00u,
294 
306 typedef enum {
307  ADC_GAIN_X05 = 0x40u,
308  ADC_GAIN_X1 = 0x00u,
309  ADC_GAIN_X15 = 0xC0u,
310  ADC_GAIN_X20 = 0x80u,
312 
329 typedef uint16_t adc_conf_t;
330 
335 #define TIMER_CHANNEL_NUMOF (4)
336 #define TIMER_MAX_VALUE (0xffffffff)
340 #define PERIPH_TIMER_PROVIDES_SET 1
350 #define HAVE_I2C_SPEED_T
351 typedef enum {
352  I2C_SPEED_LOW = 10000u,
353  I2C_SPEED_NORMAL = 100000u,
354  I2C_SPEED_FAST = 400000u,
356  I2C_SPEED_HIGH = 400000u,
357 } i2c_speed_t;
363 typedef struct {
364  I2C_Type *dev;
365  gpio_t pin_scl;
366  gpio_t pin_sda;
367  uint32_t speed;
368 } i2c_conf_t;
369 
374 #define PERIPH_I2C_NEED_READ_REG
375 #define PERIPH_I2C_NEED_READ_REGS
376 #define PERIPH_I2C_NEED_WRITE_REG
377 #define PERIPH_I2C_NEED_WRITE_REGS
384 #define i2c_pin_sda(dev) i2c_config[dev].pin_sda
385 #define i2c_pin_scl(dev) i2c_config[dev].pin_scl
392 #define PERIPH_SPI_NEEDS_TRANSFER_BYTE
393 #define PERIPH_SPI_NEEDS_TRANSFER_REG
394 #define PERIPH_SPI_NEEDS_TRANSFER_REGS
397 #ifndef DOXYGEN
404 #define SPI_HWCS(x) (1u << 15u | (x))
405 
409 #define SPI_HWCS_NUMOF 4
410 
416 #define SPI_MODE_SEL(pol, pha) (SPI_CFG_CPOL(pol) | SPI_CFG_CPHA(pha))
417 
424 #define HAVE_SPI_MODE_T
425 typedef enum {
426  SPI_MODE_0 = SPI_MODE_SEL(0, 0),
427  SPI_MODE_1 = SPI_MODE_SEL(0, 1),
428  SPI_MODE_2 = SPI_MODE_SEL(1, 0),
429  SPI_MODE_3 = SPI_MODE_SEL(1, 1)
430 } spi_mode_t;
442 #define HAVE_SPI_CLK_T
443 typedef enum {
444  SPI_CLK_100KHZ = 100000u,
445  SPI_CLK_400KHZ = 400000u,
446  SPI_CLK_1MHZ = 1000000u,
447  SPI_CLK_5MHZ = 5000000u,
448  SPI_CLK_10MHZ = 10000000u
449 } spi_clk_t;
456 #define spi_pin_mosi(bus) spi_config[bus].copi_pin
457 #define spi_pin_miso(bus) spi_config[bus].cipo_pin
458 #define spi_pin_clk(bus) spi_config[bus].clk_pin
464 typedef struct {
465  SPI_Type *dev;
466  gpio_t cipo_pin;
467  gpio_t copi_pin;
468  gpio_t clk_pin;
469  gpio_t cs_pin[SPI_HWCS_NUMOF];
470 } spi_conf_t;
471 
472 #endif /* ifndef DOXYGEN */
473 
481 typedef struct {
482  USART_Type *dev;
483  gpio_t rx_pin;
484  gpio_t tx_pin;
485 } uart_conf_t;
486 
492 #define UART_INVALID_MODE (0x80)
493 
501 typedef enum {
507 } uart_parity_t;
508 #define HAVE_UART_PARITY_T
517 typedef enum {
522  /* Note: There's a UART_DATA_BITS_9 possible in this hardware. */
524 #define HAVE_UART_DATA_BITS_T
533 typedef enum {
537 #define HAVE_UART_STOP_BITS_T
540 #ifdef __cplusplus
541 }
542 #endif
543 
@ PORT_B
port B
Definition: periph_cpu.h:47
@ PORT_A
port A
Definition: periph_cpu.h:46
gpio_flank_t
Definition: periph_cpu.h:179
@ GPIO_OUT
select GPIO MASK as output
Definition: periph_cpu.h:164
@ GPIO_IN
select GPIO MASK as input
Definition: periph_cpu.h:163
i2c_speed_t
Definition: periph_cpu.h:275
spi_clk_t
Definition: periph_cpu.h:351
gpio_t adc_conf_t
ADC configuration wrapper.
Definition: periph_cpu.h:336
gpio_mode_t
Available pin modes.
Definition: periph_cpu.h:91
adc_res_t
Possible ADC resolution settings.
Definition: adc.h:92
@ ADC_RES_16BIT
ADC resolution: 16 bit.
Definition: adc.h:98
@ ADC_RES_8BIT
ADC resolution: 8 bit.
Definition: adc.h:94
@ ADC_RES_14BIT
ADC resolution: 14 bit.
Definition: adc.h:97
@ ADC_RES_6BIT
ADC resolution: 6 bit.
Definition: adc.h:93
@ ADC_RES_10BIT
ADC resolution: 10 bit.
Definition: adc.h:95
@ ADC_RES_12BIT
ADC resolution: 12 bit.
Definition: adc.h:96
unsigned int gpio_t
GPIO type identifier.
Definition: gpio.h:91
@ GPIO_FALLING
emit interrupt on falling flank
Definition: periph_cpu.h:109
@ GPIO_RISING
emit interrupt on rising flank
Definition: periph_cpu.h:110
@ GPIO_BOTH
emit interrupt on both flanks
Definition: periph_cpu.h:111
@ GPIO_OD
configure as output in open-drain mode without pull resistor
Definition: gpio.h:123
@ GPIO_IN_PU
configure as input with pull-up resistor
Definition: gpio.h:121
@ GPIO_OD_PU
configure as output in open-drain mode with pull resistor enabled
Definition: gpio.h:125
@ GPIO_IN_PD
configure as input with pull-down resistor
Definition: gpio.h:120
@ I2C_SPEED_NORMAL
normal mode: ~100 kbit/s
Definition: periph_cpu.h:277
@ I2C_SPEED_FAST_PLUS
fast plus mode: ~1000 kbit/s
Definition: periph_cpu.h:279
@ I2C_SPEED_LOW
low speed mode: ~10 kbit/s
Definition: periph_cpu.h:276
@ I2C_SPEED_HIGH
high speed mode: ~3400 kbit/s
Definition: periph_cpu.h:281
@ I2C_SPEED_FAST
fast mode: ~400 kbit/s
Definition: periph_cpu.h:278
@ SPI_MODE_0
CPOL=0, CPHA=0.
Definition: periph_cpu.h:43
@ SPI_MODE_2
CPOL=1, CPHA=0.
Definition: periph_cpu.h:45
@ SPI_MODE_1
CPOL=0, CPHA=1.
Definition: periph_cpu.h:44
@ SPI_MODE_3
CPOL=1, CPHA=1.
Definition: periph_cpu.h:46
@ SPI_CLK_10MHZ
drive the SPI bus with 10MHz
Definition: periph_cpu.h:356
@ SPI_CLK_5MHZ
drive the SPI bus with 5MHz
Definition: periph_cpu.h:355
@ SPI_CLK_400KHZ
drive the SPI bus with 400KHz
Definition: periph_cpu.h:353
@ SPI_CLK_1MHZ
drive the SPI bus with 1MHz
Definition: periph_cpu.h:354
@ SPI_CLK_100KHZ
drive the SPI bus with 100KHz
Definition: periph_cpu.h:352
@ UART_PARITY_SPACE
space parity
Definition: periph_cpu.h:506
@ UART_PARITY_NONE
no parity
Definition: periph_cpu.h:502
@ UART_PARITY_EVEN
even parity
Definition: periph_cpu.h:503
@ UART_PARITY_ODD
odd parity
Definition: periph_cpu.h:504
@ UART_PARITY_MARK
mark parity
Definition: periph_cpu.h:505
@ UART_STOP_BITS_2
2 stop bits
Definition: periph_cpu.h:535
@ UART_STOP_BITS_1
1 stop bit
Definition: periph_cpu.h:534
@ UART_DATA_BITS_6
6 data bits
Definition: periph_cpu.h:519
@ UART_DATA_BITS_5
5 data bits
Definition: periph_cpu.h:518
@ UART_DATA_BITS_7
7 data bits
Definition: periph_cpu.h:520
@ UART_DATA_BITS_8
8 data bits
Definition: periph_cpu.h:521
@ GPIO_PORTS_NUMOF
overall number of available ports
Definition: periph_cpu.h:248
#define SPI_HWCS_NUMOF
Kinetis CPUs have a maximum number of 5 hardware chip select lines.
Definition: periph_cpu.h:115
spi_mode_t
Support SPI modes.
Definition: periph_cpu.h:42
#define GPIO_MODE(open_drain, out_enabled, pull_mode)
Generate GPIO mode bitfields.
Definition: periph_cpu.h:98
qn908x_adc_clock_t
ADC oversample clock configuration.
Definition: periph_cpu.h:191
@ ADC_CLOCK_500K
500 KHz from the high speed clock.
Definition: periph_cpu.h:195
@ ADC_CLOCK_1M
1 MHz from the high speed clock.
Definition: periph_cpu.h:194
@ ADC_CLOCK_62K5
62.5 KHz from the high speed clock.
Definition: periph_cpu.h:198
@ ADC_CLOCK_125K
125 KHz from the high speed clock.
Definition: periph_cpu.h:197
@ ADC_CLOCK_2M
2 MHz from the high speed clock.
Definition: periph_cpu.h:193
@ ADC_CLOCK_31K25
31.25 KHz from the high speed clock.
Definition: periph_cpu.h:199
@ ADC_CLOCK_32K
32 KHz or 32.768 KHz from the low speed clock.
Definition: periph_cpu.h:200
@ ADC_CLOCK_4M
4 MHz from the high speed clock.
Definition: periph_cpu.h:192
@ ADC_CLOCK_250K
250 KHz from the high speed clock.
Definition: periph_cpu.h:196
qn908x_adc_vref_t
ADC Vref configuration.
Definition: periph_cpu.h:253
@ ADC_VREF_VEXT
Vref := external ADC_VREFI with the driver.
Definition: periph_cpu.h:256
@ ADC_VREF_VCC
Vref := Vcc.
Definition: periph_cpu.h:257
@ ADC_VREF_1V2
Vref := internal 1.2V.
Definition: periph_cpu.h:254
@ ADC_VREF_VREF
Vref := external ADC_VREFI pin.
Definition: periph_cpu.h:255
uart_parity_t
Definition of possible parity modes.
Definition: periph_cpu.h:501
uart_stop_bits_t
Definition of possible stop bits lengths.
Definition: periph_cpu.h:533
#define UART_INVALID_MODE
Invalid UART mode mask.
Definition: periph_cpu.h:492
qn908x_adc_gain_t
ADC SD Gain configuration.
Definition: periph_cpu.h:306
@ ADC_GAIN_X05
Use gain := 0.5.
Definition: periph_cpu.h:307
@ ADC_GAIN_X1
Use gain := 1.
Definition: periph_cpu.h:308
@ ADC_GAIN_X20
Use gain := 2.
Definition: periph_cpu.h:310
@ ADC_GAIN_X15
Use gain := 1.5.
Definition: periph_cpu.h:309
qn908x_adc_vinn_t
ADC Vinn configuration.
Definition: periph_cpu.h:288
@ ADC_VINN_VREF_2
Use Vinn := 1/2 * Vref.
Definition: periph_cpu.h:291
@ ADC_VINN_VREF
Use Vinn := Vref.
Definition: periph_cpu.h:289
@ ADC_VINN_AVSS
Use Vinn := Vss.
Definition: periph_cpu.h:292
@ ADC_VINN_VREF_3_4
Use Vinn := 3/4 * Vref.
Definition: periph_cpu.h:290
uart_data_bits_t
Definition of possible data bits lengths in a UART frame.
Definition: periph_cpu.h:517
qn908x_adc_channel_t
ADC channel pair configuration.
Definition: periph_cpu.h:226
@ ADC_CHANNEL_ADC4_VINN
Sample ADC4 / Vinn.
Definition: periph_cpu.h:235
@ ADC_CHANNEL_ADC5_VINN
Sample ADC5 / Vinn.
Definition: periph_cpu.h:236
@ ADC_CHANNEL_TEMP
Sample internal temperature.
Definition: periph_cpu.h:239
@ ADC_CHANNEL_ADC0_ADC1
Sample ADC0 / ADC1.
Definition: periph_cpu.h:227
@ ADC_CHANNEL_ADC3_VINN
Sample ADC3 / Vinn.
Definition: periph_cpu.h:234
@ ADC_CHANNEL_ADC1_VINN
Sample ADC1 / Vinn.
Definition: periph_cpu.h:232
@ ADC_CHANNEL_ADC6_VINN
Sample ADC6 / Vinn.
Definition: periph_cpu.h:237
@ ADC_CHANNEL_VINN_VINN
Sample Vinn / Vinn.
Definition: periph_cpu.h:241
@ ADC_CHANNEL_ADC0_VINN
Sample ADC0 / Vinn.
Definition: periph_cpu.h:231
@ ADC_CHANNEL_ADC2_ADC3
Sample ADC2 / ADC3.
Definition: periph_cpu.h:228
@ ADC_CHANNEL_ADC2_VINN
Sample ADC2 / Vinn.
Definition: periph_cpu.h:233
@ ADC_CHANNEL_ADC4_ADC5
Sample ADC4 / ADC5.
Definition: periph_cpu.h:229
@ ADC_CHANNEL_VINN_VSS
Sample Vinn / Vss.
Definition: periph_cpu.h:242
@ ADC_CHANNEL_ADC6_ADC7
Sample ADC6 / ADC7.
Definition: periph_cpu.h:230
@ ADC_CHANNEL_ADC7_VINN
Sample ADC7 / Vinn.
Definition: periph_cpu.h:238
@ ADC_CHANNEL_VCC4_VINN
Sample 1/4 Vcc / Vinn.
Definition: periph_cpu.h:240
I2C configuration structure.
Definition: periph_cpu.h:298
SPI device configuration.
Definition: periph_cpu.h:336
UART device configuration.
Definition: periph_cpu.h:217