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boards/seeedstudio-gd32: add periph_pwm support

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This commit is contained in:
Gunar Schorcht 2023-01-28 18:01:16 +01:00
parent 3bf303f9c6
commit 8ecc80a3ac
4 changed files with 50 additions and 8 deletions
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1
boards/sipeed-longan-nano/Kconfig
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@ -14,6 +14,7 @@ config BOARD_SIPEED_LONGAN_NANO
select CPU_MODEL_GD32VF103CBT6
select BOARD_HAS_HXTAL
select BOARD_HAS_LXTAL
select HAS_PERIPH_PWM
select HAS_PERIPH_TIMER
select HAS_PERIPH_UART
select HAVE_SAUL_GPIO

1
boards/sipeed-longan-nano/Makefile.features
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@ -1,6 +1,7 @@
CPU_MODEL = gd32vf103cbt6
# Put defined MCU peripherals here (in alphabetical order)
FEATURES_PROVIDED += periph_pwm
FEATURES_PROVIDED += periph_timer
FEATURES_PROVIDED += periph_uart

18
boards/sipeed-longan-nano/doc.txt
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@ -39,7 +39,7 @@ on-board components:
| I2C | 2 x Fast Mode 400 kHz | no |
| I2S | 2 | no |
| CAN | 2 x CAN 2.0B with up to 1 Mbps | no |
| PWM | 6 Channels | no |
| PWM | 6 Channels | yes |
| USB | 1 x USB FS OTG | no |
| Vcc | 3.0V - 3.6V | |
| Datasheet | [Datasheet](https://gd32mcu.com/data/documents/datasheet/GD32VF103_Datasheet_Rev1.6.pdf) | |
@ -56,13 +56,15 @@ The general pin layout is shown below.
The following table shows the connection of the on-board components with the
MCU pins and their configuration in RIOT.
| MCU Pin | MCU Peripheral | RIOT Peripheral | Board Function |
|:--------|:---------------|:--------------------|:----------------------|
| PA9 | USART0 TX | UART_DEV(0) TX | UART TX |
| PA10 | USART0 RX | UART_DEV(0) RX | UART RX |
| PB0 | | | LED1 |
| PB1 | | | LED2 |
| PB5 | | | LED0 |
| MCU Pin | MCU Peripheral | RIOT Peripheral | Board Function | Remark |
|:--------|:---------------|:-----------------|:---------------|:-----------------------------|
| PA1 | | PWM_DEV(0) CH0 | LED1 green | |
| PA2 | | PWM_DEV(0) CH1 | LED2 blue | |
| PA9 | USART0 TX | UART_DEV(0) TX | UART TX | |
| PA10 | USART0 RX | UART_DEV(0) RX | UART RX | |
| PB8 | | PWM_DEV(1) CH0 | | N/A if CAN is used |
| PB9 | | PWM_DEV(2) CH1 | | N/A if CAN is used |
| PC13 | | | LED0 red | |
## Flashing the Device

38
boards/sipeed-longan-nano/include/periph_conf.h
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@ -43,6 +43,44 @@
extern "C" {
#endif
/**
* @name PWM configuration
* @{
*/
static const pwm_conf_t pwm_config[] = {
{
.dev = TIMER4,
.rcu_mask = RCU_APB1EN_TIMER4EN_Msk,
.chan = {
{ .pin = GPIO_PIN(PORT_A, 1), .cc_chan = 1 },
{ .pin = GPIO_PIN(PORT_A, 2), .cc_chan = 2 },
/* unused channels have to be defined by GPIO_UNDEF */
{ .pin = GPIO_UNDEF, .cc_chan = 0 },
{ .pin = GPIO_UNDEF, .cc_chan = 3 },
},
.af = GPIO_AF_OUT_PP,
.bus = APB1,
},
#if !defined(MODULE_PERIPH_CAN)
{
.dev = TIMER3,
.rcu_mask = RCU_APB1EN_TIMER3EN_Msk,
.chan = {
{ .pin = GPIO_PIN(PORT_B, 8), .cc_chan = 2 },
{ .pin = GPIO_PIN(PORT_B, 9), .cc_chan = 3 },
/* unused channels have to be defined by GPIO_UNDEF */
{ .pin = GPIO_UNDEF, .cc_chan = 0 },
{ .pin = GPIO_UNDEF, .cc_chan = 1 },
},
.af = GPIO_AF_OUT_PP,
.bus = APB1,
},
#endif
};
#define PWM_NUMOF ARRAY_SIZE(pwm_config)
/** @} */
#ifdef __cplusplus
}
#endif