Add I2C support in BLE nano BSP
Project: http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/repo Commit: http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/commit/6e75818f Tree: http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/tree/6e75818f Diff: http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/diff/6e75818f Branch: refs/heads/bluetooth5 Commit: 6e75818f224e6e384e64813eadb0db69777f1a6e Parents: eb4f289 Author: Antoine Albertelli <anto...@antoinealb.net> Authored: Fri Apr 28 10:32:50 2017 +0200 Committer: Antoine Albertelli <anto...@antoinealb.net> Committed: Fri Apr 28 10:33:21 2017 +0200 ---------------------------------------------------------------------- hw/bsp/nrf51-blenano/src/hal_bsp.c | 31 +++++++++++++++++++++++++++++++ hw/bsp/nrf51-blenano/syscfg.yml | 26 ++++++++++++++++++++++++++ 2 files changed, 57 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/6e75818f/hw/bsp/nrf51-blenano/src/hal_bsp.c ---------------------------------------------------------------------- diff --git a/hw/bsp/nrf51-blenano/src/hal_bsp.c b/hw/bsp/nrf51-blenano/src/hal_bsp.c index 3f47f78..97b5004 100644 --- a/hw/bsp/nrf51-blenano/src/hal_bsp.c +++ b/hw/bsp/nrf51-blenano/src/hal_bsp.c @@ -32,6 +32,10 @@ #include "hal/hal_spi.h" #include "os/os_dev.h" +#if MYNEWT_VAL(I2C_0) || MYNEWT_VAL(I2C_1) +#include "hal/hal_i2c.h" +#endif + #if MYNEWT_VAL(UART_0) #include "uart/uart.h" #include "uart_hal/uart_hal.h" @@ -66,6 +70,23 @@ static const struct nrf51_hal_spi_cfg os_bsp_spi1s_cfg = { }; #endif +#if MYNEWT_VAL(I2C_0) +static const struct nrf51_hal_i2c_cfg os_bsp_i2c0_cfg = { + .sda_pin = MYNEWT_VAL(I2C_0_SDA_PIN), + .scl_pin = MYNEWT_VAL(I2C_0_SCL_PIN), + .i2c_frequency = MYNEWT_VAL(I2C_0_FREQUENCY), +}; +#endif + +#if MYNEWT_VAL(I2C_1) +static const struct nrf51_hal_i2c_cfg os_bsp_i2c1_cfg = { + .sda_pin = MYNEWT_VAL(I2C_1_SDA_PIN), + .scl_pin = MYNEWT_VAL(I2C_1_SCL_PIN), + .i2c_frequency = MYNEWT_VAL(I2C_1_FREQUENCY), +}; +#endif + + /* * What memory to include in coredump. */ @@ -173,4 +194,14 @@ hal_bsp_init(void) rc = hal_spi_init(1, (void *)&os_bsp_spi1s_cfg, HAL_SPI_TYPE_SLAVE); assert(rc == 0); #endif + +#if MYNEWT_VAL(I2C_0) + rc = hal_i2c_init(0, (void *)&os_bsp_i2c0_cfg); + assert(rc == 0); +#endif + +#if MYNEWT_VAL(I2C_1) + rc = hal_i2c_init(1, (void *)&os_bsp_i2c1_cfg); + assert(rc == 0); +#endif } http://git-wip-us.apache.org/repos/asf/incubator-mynewt-core/blob/6e75818f/hw/bsp/nrf51-blenano/syscfg.yml ---------------------------------------------------------------------- diff --git a/hw/bsp/nrf51-blenano/syscfg.yml b/hw/bsp/nrf51-blenano/syscfg.yml index 86128f8..2b128ae 100644 --- a/hw/bsp/nrf51-blenano/syscfg.yml +++ b/hw/bsp/nrf51-blenano/syscfg.yml @@ -54,6 +54,32 @@ syscfg.defs: description: 'SPI 1 slave' value: 0 + I2C_0: + description: 'I2C0 enable' + value: 0 + I2C_0_SDA_PIN: + description: 'Data pin for I2C0' + value: 6 + I2C_0_SCL_PIN: + description: 'Clock pin for I2C0' + value: 7 + I2C_0_FREQUENCY: + description: 'Bus frequency in KHz for I2C0' + value: 100 + + I2C_1: + description: 'I2C1 enable' + value: 0 + I2C_1_SDA_PIN: + description: 'Data pin for I2C1' + value: 28 + I2C_1_SCL_PIN: + description: 'Clock pin for I2C1' + value: 29 + I2C_1_FREQUENCY: + description: 'Bus frequency in KHz for I2C1' + value: 100 + TIMER_0: description: 'NRF51 Timer 0' value: 1
