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/*
The format of the channel descriptors is:
{TYPE, FUNC, ADDR, COUNT, pin_name}
TYPE is one of HAL_BIT, HAL_FLOAT, HAL_S32, HAL_U32
FUNC = 1, 2, 3, 4, 5, 6, 15, 16 - Modbus commands
COUNT = number of coils/registers to read
*/
#define MAX_MSG_LEN 16 // may be increased if necessary to max 251
static const hm2_modbus_chan_descriptor_t channels[] = {
/* {TYPE, FUNC, ADDR, COUNT, pin_name} */
// Create 8 HAL bit pins coil-00 .. -07 supplying the values of coils at 0x0000
{HAL_BIT, 1, 0x0000, 8, "coil"},
// Create 8 HAL bit pins input-00 .. -07 supplying the values of inputs at 0x0000
{HAL_BIT, 2, 0x0000, 8, "input"},
// Create a HAL pin to set the coil at address 0x0010
{HAL_BIT, 5, 0x0010, 1, "coil-0"},
// Create 8 HAL pins to set the coils at 0x0020
{HAL_BIT, 15, 0x0020, 8, "more_coils"},
// Create a scaled floating point pin calculated from input register 0x0100
{HAL_FLOAT, 4, 0x0100, 1, "float"},
// Create 4 unsigned integer HAL pins from the holding registers at 0x0200-0x203
{HAL_S32, 3, 0x0003, 4, "holding"},
// Create a single signed int HAL pin to control the register at 0x0300
{HAL_S32, 6, 0x0300, 1, "relay-3"},
// Create 7 scaled FP HAL pins to control holfing registers at 0x400-0x406
{HAL_FLOAT, 16, 0x0300, 1, "more_floats"},
};
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