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edison: add uart definitions

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Needed to use a hook to make sure the SoC pins for RX TX are in the
right place.
Also added a line in documentation listed what interface is available.
This resolves #18

Co-Authored-By: Kurt Eckhardt <kurte@rockisland.com>
Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com>
This commit is contained in:
Thomas Ingleby
2014-10-19 16:25:47 +01:00
parent 071951e926
commit c8a99ee8e4
2 changed files with 27 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
docs/edison.md
View File

@@ -8,6 +8,9 @@ Currently Supported boards:
- Intel Arduino board
- Intel breakout board
UART
----
On both the Arduino board and the breakout board, The avaible UART interface is on /dev/ttyMFD1
Intel Arduino board
-------------------

26
src/intel_edison_fab_c.c
View File

@@ -451,6 +451,15 @@ mraa_intel_edsion_mb_gpio_mode(mraa_gpio_context dev, gpio_mode_t mode)
return MRAA_SUCCESS;
}
mraa_result_t
mraa_intel_edison_uart_init_post(mraa_uart_context uart)
{
mraa_result_t ret;
ret = mraa_intel_edison_pinmode_change(130,1); //IO0 RX
ret = mraa_intel_edison_pinmode_change(131,1); //IO1 TX
return ret;
}
mraa_result_t
mraa_intel_edsion_miniboard(mraa_board_t* b)
{
@@ -466,6 +475,7 @@ mraa_intel_edsion_miniboard(mraa_board_t* b)
advance_func->i2c_init_pre = &mraa_intel_edison_i2c_init_pre;
advance_func->spi_init_pre = &mraa_intel_edison_spi_init_pre;
advance_func->gpio_mode_replace = &mraa_intel_edsion_mb_gpio_mode;
advance_func->uart_init_post = &mraa_intel_edison_uart_init_post;
int pos = 0;
strncpy(b->pins[pos].name, "J17-1", 8);
@@ -832,6 +842,7 @@ mraa_intel_edison_fab_c()
advance_func->spi_init_pre = &mraa_intel_edison_spi_init_pre;
advance_func->spi_init_post = &mraa_intel_edison_spi_init_post;
advance_func->gpio_mode_replace = &mraa_intel_edison_gpio_mode_replace;
advance_func->uart_init_post = &mraa_intel_edison_uart_init_post;
b->pins = (mraa_pininfo_t*) malloc(sizeof(mraa_pininfo_t)*MRAA_INTEL_EDISON_PINCOUNT);
@@ -849,16 +860,22 @@ mraa_intel_edison_fab_c()
b->adc_supported = 10;
strncpy(b->pins[0].name, "IO0", 8);
b->pins[0].capabilites = (mraa_pincapabilities_t) {1,1,0,0,0,0,0};
b->pins[0].capabilites = (mraa_pincapabilities_t) {1,1,0,0,0,0,0,1};
b->pins[0].gpio.pinmap = 130;
b->pins[0].gpio.parent_id = 0;
b->pins[0].gpio.mux_total = 0;
b->pins[0].uart.pinmap = 0;
b->pins[0].uart.parent_id = 0;
b->pins[0].uart.mux_total = 0;
strncpy(b->pins[1].name, "IO1", 8);
b->pins[1].capabilites = (mraa_pincapabilities_t) {1,1,0,0,0,0,0};
b->pins[1].capabilites = (mraa_pincapabilities_t) {1,1,0,0,0,0,0,1};
b->pins[1].gpio.pinmap = 131;
b->pins[1].gpio.parent_id = 0;
b->pins[1].gpio.mux_total = 0;
b->pins[1].uart.pinmap = 0;
b->pins[1].uart.parent_id = 0;
b->pins[1].uart.mux_total = 1;
strncpy(b->pins[2].name, "IO2", 8);
b->pins[2].capabilites = (mraa_pincapabilities_t) {1,1,0,0,0,0,0};
@@ -1070,6 +1087,11 @@ mraa_intel_edison_fab_c()
b->spi_bus[0].miso = 12;
b->spi_bus[0].sclk = 13;
b->uart_dev_count = 1;
b->def_uart_dev = 0;
b->uart_dev[0].rx = 0;
b->uart_dev[0].tx = 1;
int il;
for (il =0; il < MRAA_INTEL_EDISON_PINCOUNT; il++) {
pinmodes[il].gpio.sysfs = -1;